BIOLOGY -PAGE 11
1. Pepsin is secreted by
(a) Zymogen cells of duodenum (b) Zymogen cells of stomach (c) Paneth cells (d) None of these
Ans: B
2. Which of the following is the largest blood vessel in human body ?
(a) Aorta (b) Capillaries (c) Pulmonary vein (d) Carotid artery
Ans: A
3. Most of the fat digestion occurs in
(a) Rectum (b) Stomach (c) Duodenum (d) Small intestine
Ans: D
4. Which of the following Vitamin is riboflavin ?
(a) Vitamin B1 (b) Vitamin B2 (c) Vitamin B6 (d) Vitamin B12
Ans: B
5. Sodium ions are pumped from a region of lower concentration to a region of higher concentration in the nerve cells. This process is an example of
(a) Active transport (b) Passive transport (c) Osmosis (d) Diffusion
Ans: A
6. Which of the following ions accumulate in the guard cells at the time of stomatal opening ?
(a) Cl– (b) Na+ (c) K+ (d) All of these
Ans: C
7. Cytochromes help in
(a) Electron transport (b) Oxidation of glucose (c) Release of energy (d) Storage of energy
Ans: A
8. Quadrat is used in estimating which of the following ?
(a) Animal behaviour pattern (b) Habitat size (c) Population density (d) Energy flow
Ans: C
9. The eukaryotic ribosome 80s consists of the following two subunits :
(a) 30s and 50s (b) 40s and 60s (c) 40s and 50s (d) 30s and 60s
Ans: B
10. Ti plasmid used for making transgenic plants is found in
(a) Azotobacter (b) Rhizobium (c) Agrobacterium (d) Yeast 2 µ m plasmid
Ans: C
11. Peptide linkage is
(a) – CO – NH – (b) – CO – NH2 – (c) – COOH – NH2 – (d) – CH – N –
Ans: A
12. Which of the following method is used to measure molecular weight of protein ?
(a) Agarose gel electrophoresis (b) SDS – PAGE (c) Isoelectric focussing (d) Immuno electrophoresis
Ans: B
13. Modification of proteins through acylation involves attachment of
(a) Acetyl group (b) Phosphate group (c) Sugar side chain (d) Lipid side chain
Ans: D
14. In calculation of arithmetic mean if all items do not have the same degree of importance, then it is calculated as
(a) Combined mean (b) Weighted arithmetic mean (c) Simple arithmetic mean (d) None of these
Ans: B
15. If a bar diagram represents only one variable, it is known as
(a) Divided bar diagram (b) Percentage bar diagram (c) Multiple bar diagram (d) Simple bar diagram
Ans: D
16. Which of the following is gamma diversity ?
(a) Diversity in a single sample (b) Sample within a habitat
(c) Diversity of an island or landscape (d) Total diversity of group of areas
Ans: C
17. Water conducting tissue in plants
(A) Xylem (B) Chloroplast
(C) Nucleus (D) Parenchyma
Ans: A
18. Anemophylly is a type of pollination
(A) Insect (B) Animal
(C) Wind (D) Bird
Ans: C
19. Expansion of TEM is
(A) Transmit Electrical Microtome (B) Transverse Electron Microscope
(C) Transmissible Electron Microtome (D) Transmission Electron Microscope
Ans: D
20. Common name of Psilotum is
(A) Horse tail (B) Whisk fern
(C) Club moss (D) Water fern
Ans: B
21. Blast of Paddy is caused by
(A) Pythium myriotylum (B) Albugo Candida
(C) Magnaporthe oryzae (D) Cercospora agerati
Ans: C
22. Which one is a vital stain ?
(A) Safranin (B) Janus green
(C) Phloroglucinol (D) Crystal violet
Ans: B
23. Diacytic stomata seen common in which plant family ?
(A) Ranunculaceae (B) Cruciferae
(C) Rubiaceae (D) Acanthaceae
Ans: D
24. In Asafoetida morphology of useful part is
(A) Latex from rhizome
(B) Latex from leaf
(C) Latex from stem
(D) Latex from flower
Ans: A
25. MS medium is
(A) Murashige and Schimid
(B) Murashifand Skoog
(C) Moral and Schimid
(D) Murashige and Skoog
Ans: D
26. Water Bloom is caused by
(A) Bryophytes
(B) Algae
(C) Pteridophytes
(D) Bacteria
Ans: B
27. Name a fossil gymnosperm
(A) Rhynia
(B) Lepidocarpon
(C) Naiadita
(D) Williamsonia
Ans: D
28. Example for simple lipid is
(A) Fats
(B) Lecithin
(C) Cephalin
(D) Sphingomelins
Ans: A
29. Ratio of complementary gene action is
(A) 9 : 3 : 4
(B) 9:3:3:1
(C) 9 : 7
(D) 12:3:1
Ans: C
30. Carmine is obtained from
(A) Gymnosperm
(B) Insect
(C) Algae
(D) Fungi
Ans: B
31. Anthrax disease is caused by
(A) Virus
(B) Bacteria
(C) Insects
(D) Birds
Ans: B
32. Larval form of sponges
(A) Trochophore (B) Glochidium
(C) Nauplius (D) Parenchymula
Ans: D
33. Watson and Crick demonstrated
(A) Wobble hypothesis
(B) One gene one enzyme hypothesis
(C) Semi conservative mode of DNA replication
(D) One gene one polypeptide hypothesis
Ans: C
34. Example of pseudocoelomate
(A) Ascaris (B) Taenia
(C) Fasciola (D) Schistosoma
Ans: A
35. Disease due to monosomic condition
(A) Patau’s syndrome (B) Turner’s syndrome
(C) Down’s syndrome (D) Klinefelter’s syndrome
Ans: B
36. Central Nervous system is formed from
(A) Endoderm (B) Mesoderm
(C) Ectoderm (D) All of the above
Ans: C
37. Tropical Asian countries are included in which of the following region ?
(A) Ethiopian region (B) Oriental region
(C) Nearctic region (D) Palacarctic region
Ans: B
38. Movement of individual cells into the embryo or out towards its surface
(A) Delamination (B) Ingression
(C) Intercalation (D) Dispersal
Ans: B
39. A group of potentially interbreeding individuals of a local population
(A) Cline
(B) Sympatric species
(C) Semi species
(D) Deme
Ans: D
40. Which is the broadest DNA ?
(A) A
(B) B
(C) C
(D) Z
Ans: A
41. Microcytic anemia is caused due to
(A) Folic acid
(B) Riboflavin
(C) Vitamin-C
(D) Iron
Ans: D
42. Succus-entericus is secreted by
(A) Goblet cells
(B) Crypts of Lieberkuhn
(C) Aciner cells
(D) Oxyntic cells
Ans: B
43. Which is the function of DNA polymerase ?
(A) Transcription
(B) Splicing
(C) Capping
(D) Replication
Ans: D
44. Sea Horse belongs to the group
(A) Amphibia
(B) Reptilia
(C) Pisces
(D) Mammalia
Ans: C
45. Which is a Protein sequence database ?
(A) EMBL
(B) DDBJ
(C) GenBank
(D) Swiss-Prot
Ans: D
46. Most abundant immunoglobulin
(A) IgA
(B) IgM
(C) IgG
(D) IgD
Ans: C
47. Which one is an example for Multiple fruit ?
(A) Mango (B) Strawberry (C) Pineapple (D) Bean
Ans: C
48. In which of the following Organ Urea, an excretory product is synthesised in our body ?
(A) Kidney (B) Liver (C) Small Intestine (D) Stomach
Ans: B
49. In which of the following tissue 'Haversian canal’ can be seen ?
(A) Nerve (B) Muscle (C) Bone (D) Adipose tissue
Ans: C
50. On an examination an Ophthalmologist prescribed to wear optical having concave lens. What will be the defect of eye ?
(A) Myopia (B) Presbyopia (C) Astigmatism (D) Hypermetropia
Ans: A
(a) Zymogen cells of duodenum (b) Zymogen cells of stomach (c) Paneth cells (d) None of these
Ans: B
2. Which of the following is the largest blood vessel in human body ?
(a) Aorta (b) Capillaries (c) Pulmonary vein (d) Carotid artery
Ans: A
3. Most of the fat digestion occurs in
(a) Rectum (b) Stomach (c) Duodenum (d) Small intestine
Ans: D
4. Which of the following Vitamin is riboflavin ?
(a) Vitamin B1 (b) Vitamin B2 (c) Vitamin B6 (d) Vitamin B12
Ans: B
5. Sodium ions are pumped from a region of lower concentration to a region of higher concentration in the nerve cells. This process is an example of
(a) Active transport (b) Passive transport (c) Osmosis (d) Diffusion
Ans: A
6. Which of the following ions accumulate in the guard cells at the time of stomatal opening ?
(a) Cl– (b) Na+ (c) K+ (d) All of these
Ans: C
7. Cytochromes help in
(a) Electron transport (b) Oxidation of glucose (c) Release of energy (d) Storage of energy
Ans: A
8. Quadrat is used in estimating which of the following ?
(a) Animal behaviour pattern (b) Habitat size (c) Population density (d) Energy flow
Ans: C
9. The eukaryotic ribosome 80s consists of the following two subunits :
(a) 30s and 50s (b) 40s and 60s (c) 40s and 50s (d) 30s and 60s
Ans: B
10. Ti plasmid used for making transgenic plants is found in
(a) Azotobacter (b) Rhizobium (c) Agrobacterium (d) Yeast 2 µ m plasmid
Ans: C
11. Peptide linkage is
(a) – CO – NH – (b) – CO – NH2 – (c) – COOH – NH2 – (d) – CH – N –
Ans: A
12. Which of the following method is used to measure molecular weight of protein ?
(a) Agarose gel electrophoresis (b) SDS – PAGE (c) Isoelectric focussing (d) Immuno electrophoresis
Ans: B
13. Modification of proteins through acylation involves attachment of
(a) Acetyl group (b) Phosphate group (c) Sugar side chain (d) Lipid side chain
Ans: D
14. In calculation of arithmetic mean if all items do not have the same degree of importance, then it is calculated as
(a) Combined mean (b) Weighted arithmetic mean (c) Simple arithmetic mean (d) None of these
Ans: B
15. If a bar diagram represents only one variable, it is known as
(a) Divided bar diagram (b) Percentage bar diagram (c) Multiple bar diagram (d) Simple bar diagram
Ans: D
16. Which of the following is gamma diversity ?
(a) Diversity in a single sample (b) Sample within a habitat
(c) Diversity of an island or landscape (d) Total diversity of group of areas
Ans: C
17. Water conducting tissue in plants
(A) Xylem (B) Chloroplast
(C) Nucleus (D) Parenchyma
Ans: A
18. Anemophylly is a type of pollination
(A) Insect (B) Animal
(C) Wind (D) Bird
Ans: C
19. Expansion of TEM is
(A) Transmit Electrical Microtome (B) Transverse Electron Microscope
(C) Transmissible Electron Microtome (D) Transmission Electron Microscope
Ans: D
20. Common name of Psilotum is
(A) Horse tail (B) Whisk fern
(C) Club moss (D) Water fern
Ans: B
21. Blast of Paddy is caused by
(A) Pythium myriotylum (B) Albugo Candida
(C) Magnaporthe oryzae (D) Cercospora agerati
Ans: C
22. Which one is a vital stain ?
(A) Safranin (B) Janus green
(C) Phloroglucinol (D) Crystal violet
Ans: B
23. Diacytic stomata seen common in which plant family ?
(A) Ranunculaceae (B) Cruciferae
(C) Rubiaceae (D) Acanthaceae
Ans: D
24. In Asafoetida morphology of useful part is
(A) Latex from rhizome
(B) Latex from leaf
(C) Latex from stem
(D) Latex from flower
Ans: A
25. MS medium is
(A) Murashige and Schimid
(B) Murashifand Skoog
(C) Moral and Schimid
(D) Murashige and Skoog
Ans: D
26. Water Bloom is caused by
(A) Bryophytes
(B) Algae
(C) Pteridophytes
(D) Bacteria
Ans: B
27. Name a fossil gymnosperm
(A) Rhynia
(B) Lepidocarpon
(C) Naiadita
(D) Williamsonia
Ans: D
28. Example for simple lipid is
(A) Fats
(B) Lecithin
(C) Cephalin
(D) Sphingomelins
Ans: A
29. Ratio of complementary gene action is
(A) 9 : 3 : 4
(B) 9:3:3:1
(C) 9 : 7
(D) 12:3:1
Ans: C
30. Carmine is obtained from
(A) Gymnosperm
(B) Insect
(C) Algae
(D) Fungi
Ans: B
31. Anthrax disease is caused by
(A) Virus
(B) Bacteria
(C) Insects
(D) Birds
Ans: B
32. Larval form of sponges
(A) Trochophore (B) Glochidium
(C) Nauplius (D) Parenchymula
Ans: D
33. Watson and Crick demonstrated
(A) Wobble hypothesis
(B) One gene one enzyme hypothesis
(C) Semi conservative mode of DNA replication
(D) One gene one polypeptide hypothesis
Ans: C
34. Example of pseudocoelomate
(A) Ascaris (B) Taenia
(C) Fasciola (D) Schistosoma
Ans: A
35. Disease due to monosomic condition
(A) Patau’s syndrome (B) Turner’s syndrome
(C) Down’s syndrome (D) Klinefelter’s syndrome
Ans: B
36. Central Nervous system is formed from
(A) Endoderm (B) Mesoderm
(C) Ectoderm (D) All of the above
Ans: C
37. Tropical Asian countries are included in which of the following region ?
(A) Ethiopian region (B) Oriental region
(C) Nearctic region (D) Palacarctic region
Ans: B
38. Movement of individual cells into the embryo or out towards its surface
(A) Delamination (B) Ingression
(C) Intercalation (D) Dispersal
Ans: B
39. A group of potentially interbreeding individuals of a local population
(A) Cline
(B) Sympatric species
(C) Semi species
(D) Deme
Ans: D
40. Which is the broadest DNA ?
(A) A
(B) B
(C) C
(D) Z
Ans: A
41. Microcytic anemia is caused due to
(A) Folic acid
(B) Riboflavin
(C) Vitamin-C
(D) Iron
Ans: D
42. Succus-entericus is secreted by
(A) Goblet cells
(B) Crypts of Lieberkuhn
(C) Aciner cells
(D) Oxyntic cells
Ans: B
43. Which is the function of DNA polymerase ?
(A) Transcription
(B) Splicing
(C) Capping
(D) Replication
Ans: D
44. Sea Horse belongs to the group
(A) Amphibia
(B) Reptilia
(C) Pisces
(D) Mammalia
Ans: C
45. Which is a Protein sequence database ?
(A) EMBL
(B) DDBJ
(C) GenBank
(D) Swiss-Prot
Ans: D
46. Most abundant immunoglobulin
(A) IgA
(B) IgM
(C) IgG
(D) IgD
Ans: C
47. Which one is an example for Multiple fruit ?
(A) Mango (B) Strawberry (C) Pineapple (D) Bean
Ans: C
48. In which of the following Organ Urea, an excretory product is synthesised in our body ?
(A) Kidney (B) Liver (C) Small Intestine (D) Stomach
Ans: B
49. In which of the following tissue 'Haversian canal’ can be seen ?
(A) Nerve (B) Muscle (C) Bone (D) Adipose tissue
Ans: C
50. On an examination an Ophthalmologist prescribed to wear optical having concave lens. What will be the defect of eye ?
(A) Myopia (B) Presbyopia (C) Astigmatism (D) Hypermetropia
Ans: A
51. Father of mutation theory
(A) Hugo De Vries (B) Gregor Mendel (C) Stanley Miller (D) Morgan
Ans: A
52. In human 47 number of chromosomes (44 + XXY) is resulted in
(A) Klinefelter’s Syndrome (B) Down Syndrome (C) Edward Syndrome (D) Turner’s SyndromeAns: A
53. Archaeopteryx is a connecting link of the following animals :
(A) Pisces and Amphibians (B) Reptiles and Aves (C) Aves and Mammals (D) Amphibians and Reptiles
Ans: B
54. Refrigeration is a process which
(A) Kills bacteria (B) Inactivates the bacteria (C) Slows down the bacterial growth (D) Plasmolysis the bacteria
Ans: C
55. The Hormone that regulates the rhythm of life is
(A) Prolactin (B) Auxin (C) Cortisol (D) Melatonin
Ans: D
56. Which of the following animals are found in India in their natural habitat?
1. Flying fox 2. Puma 3. Snow Leopard
Select the correct answer using the code given below:
(a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3
Ans: C
57. In which of the following cancers is it shown initially that the disruptive micronuclei can trigger DNA damage on chromosomes and can be a potential biomarker for genetic instability
(a) Non small cell lung cancer (b) Small cell lung cancer
(c) Breast cancer (d) Colon cancer
Ans: A
58. Who is the President of the Council of Scientific and Industrial Research (CSIR)?
(a) The President of India (b) The Vice President of India
(c) The Prime Minister of India (d) Union Minister of Science and Technology
Ans: C
59. If you wish to see Pandas and Gibbons in their natural habitat in India, which of the following regions do you have to travel to?
(a) Western Himalayas (b) Eastern Himalayas (c) Western Ghats (d) Eastern Ghats
Ans: B
60. Which of the following can be made by using biodegradable polymers?
(a) Artificial lens of the eye (b) Artificial blood vessels (c) Artificial teeth (d) Artificial intestine
Ans: B
61. Which of the following can be a threat to Biodiversity?
1. Global climate change 2. Pests and Pathogens 3. Invasive species
Select the correct answer using the codes given below:
(a) 1, 2 and 3 (b) 1 and 3 only (c) 2 and 3 only (d) 1 only
Ans: A
62. Which of the following can be used in biomass power plants to produce electricity?
1. Cow dung 2. Rice husk 3. Stalks of wheat
Select the correct answer using the codes given below.
(a) 1 only (b) 2 and 3 only. (c) 1, 2 and 3 (d) None of these can be used in biomass power plants.
Ans: C
63. Water hyacinth is generally perceived as a notorious aquatic weed, but it can be a useful plant. Which of the following statements is/ are correct in this context?
1. This plant contains certain substances which can be extracted and used as medicines, herbicides and pesticides.
2. This plant can be used to remove many heavy metals like Cadmium, Lead and Mercury from water bodies.
Select the correct answer using the codes given below:
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: B
64. ‘Fly ash’ is emitted from:
(a) Brick kilns (b) Motor vehicles (c) Sewage treatment plants (d) Thermal power plants
Ans: D
65. What is ‘M-cessation’, sometimes seen in news?
(a) An initiative to help tobacco users to quit tobacco
(b) A mobile phone service that delivers audio messages on pregnancy, child birth and child care
(c) An app to learn all the methods of cashless financial transactions
(d) A government initiative to eradicate the availability of narcotics to general public
Ans: A
66. What is/are the objectives of Cartagena Protocol on Biosafety?
1. Establishing or promoting in-situ conservation facilities for rare and endangered organisms
2. Maintaining the worldwide network of gene banks for all the known flora and fauna
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Ans: D
67. Consider the following animals:
1. Sloth bear 2. Jaguar 3. Hoolock gibbon
Which of the above is/are found in India in their natural habitat?
(a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3
Ans: C
68. Consider the following statements:
1. In certain parts of India, the cultivation of opium is legally allowed.
2. Opium gum is mixed with cluster bean gum in fracking technology that is used in the shale gas extraction.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: A
69. There is a worldwide protest against the use of hydrofluorocarbons. In which of the following household things are they used?
(a) Air-conditioning machines (b) Cooking gas cylinders (c) Gas geysers (d) Microwave ovens
Ans: A
70. In the context of Genetic Engineering, scientists have developed a new computational method called ‘Target Finder’ which can predict where non- coding DNA interacts with genes. Which of the following is a likely advantage of this?
(a) Artificial induction of beneficial mutations so as to develop high-yielding varieties
(b) Finding new drug targets to treat some genetic diseases
(c) Rapid cloning of domesticated animals
(d) All of these
Ans: B
71. Consider the following:
1. Gold 2. Platinum 3. Silver
Which of the above is/are found in e-waste?
(a) 1 and 2 only (b) 3 only (c) 1, 2 and 3 (d) None
Ans: C
72. “Boil a small quantity of khoya with some water, cool and add a few drops of iodine solution and see the formation of blue colour”. This is the test to find the presence of which of the following?
(a) Fructose (b) Gram flour (c) Starch (d) Urea
Ans: C
73. Which of the following CANNOT be used as a biofertilizer in rice cultivation?
(a) Azolla (b) Azospirillum (c) Blue green algae (d) Rhizobium
Ans: D
74. Consider the following statements:
1. Biodiversity is normally greater in the lower latitude as compared to higher latitudes.
2. Along the mountain gradient, biodiversity is normally greater in the lower altitudes as compared to higher altitudes.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: C
75. Aflatoxins are formed by:
(a) Aspergillus flavus (b) Candida albicans (c) Cryptococcus neoformans (d) Coccidioides schenckii
Ans: A
76. Consider the following statements:
1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: C
77. ‘Nagoya Protocol’, sometimes seen in news refers to:
(a) Convention on International Trade in Endangered Species of Wild Fauna and Flora
(b) Convention on the Conservation of Migratory Species of Wild Animals
(c) Convention on Biological Diversity
(d) Convention on Wetlands of International Importance especially as Waterfowl Habitat
Ans: C
78. Some substances known as ‘Short-Lived Climate Forcers’ (SLCF) assume importance in the context of climate change. Which of the following is/are SLCF?
1. Black carbon 2. Carbon dioxide 3. Hydrofluorocarbons 4. Methane
Select the correct answer using the code given below:
(a) 1 and 2 only (b) 1, 3 and 4 only (c) 3 and 4 only (d) 1, 2, 3 and 4
Ans: B
79. Consider the following statements:
1. Production of cement blended with fly ash or slag (blended cement) is less energy efficient compared to the production of ordinary portland cement.
2. ‘Electricity and heat production’ together constitute the single largest contributor of greenhouse gases in India. Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: B
80. The global warming potential is highest among which of the following greenhouse gases?
(a) CO2 (b) CH4 (c) N20 (d) SF6
Ans: D
81. With reference to food preservation, which of the following statements is/are correct?
1. Pasteurization means the heating of a food product to a sufficiently high temperature to kill all the microorganisms present in it.
2. In the case of food preservation by sterilization by heat, foods high in acid are very easily sterilized as compared to those low in acid. Select the correct answer using the code given below:
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: B
82. Consider the following statements:
1. Pasteurization by heat is used in the processing of fruit juices.
2. Water glass is used in the preservation of eggs.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: C
83. Which of the following parts of the human body can be used as a sample/samples for the presence of mercury?
1. Blood 2. Hair 3. Nail Select the correct answer using the code given below:
(a) 1 only (b) 2 and 3 only (c) 3 only (d) 1, 2 and 3
Ans: D
84. With reference to mercury pollution, which of the following statements are correct?
1. Once released into environment, mercury can turn into methyl mercury.
2. Mercury can enter the human body through inhalation.
3. As regards the entry and accumulation of mercury in humans, contaminated fish is an important source.
Select the correct answer using the code given below:
(a) 1 and 2 only (b) 2 and 3 only
(c) 1 and 3 only (d) 1, 2 and 3
Ans: D
85. What is ‘CRISPR-Cas9’ ?
(a) A targetted genome editing technique (b) A cancer causing gene
(c) A robotic surgical procedure (d) A technique of two-dimensional electrophoresis
Ans: A
86. Which of the following is/are included in Kyoto Protocol?
1. Brominated flame retardants 2. Methyl alcohol 3. Hydrofluorocarbons
Select the correct answer using the code given below:
(a) 1 and 2 (b) 2 and 3 (c) 3 only (d) 1 only
Ans: C
87. Light travels at the fastest speed in :
(A) glass (B) water
(C) hydrogen (D) vacuum
Ans: D
88. The gas used in fire extinguisher :
(A) Carbon dioxide (B) Nitrogen oxide
(C) Carbon monoxide (D) Sulphur dioxide
Ans: A
89. Digestion of proteins starts in the :
(A) Mouth (B) Intestine
(C) Stomach (D) None of these
Ans: C
90:-Which organ is known as the blood bank of the human body?
A:-Mitochondria B:-Spleen C:- Liver D:- Heart
Ans: B
91:- The enzyme which converts protein to peptides
A:- Trypsin B:-Lactase C:-Peptidase D:-Lipase
Ans: A
92:- The base present in RNA and not in DNA is
A:- Adenine B:-Guanine C:- Cytosine D:- Uracil
Ans: D
93:- The first stage of Calvin Cycle is
A:-Reduction B:- Carboxylation C:- Regeneration D:- Fixation
Ans: B
94:- The micro-nutrient in plants which is essential for activating the enzyme carboxylase
A:- Boron B:- Copper C:- Mo|ybdenum D:- Zinc
Ans: D
95. Following of the techniques used for studying hair microanatomy,
(A) Scalp biopsy (B) Gentle hair pull (C) Aggressive hair pluck (trichogram) (D) All above mentioned
Ans: D
96. Whether hair is of an animal or a human in origin can be distinguished from,
(A) The coronal, or crown-like scale pattern (B) The spinous or petal like scale pattern
(C) The imbricate or flattened-scale pattern (D) None of above
Ans: B
97. For brown-red/black hair following pigment is responsible,
(A) Eumelanin (B) Neuromelanin (C) Phaeomelanin (D) All of above mentioned
Ans: A
98. With reference to racial origin, largest pigment granules, grouped in clumps of different sizes and shapes,
(A) Negroid hair (B) Mongoloid hair (C) Caucasoid hair (D) None of above
Ans: A
99. The application of the study of arachnids, centipedes, millipedes, and crustaceans etc. to criminal or legal cases,
(A) Forensic anthropology (B) Forensic behavioural sciences (C) Forensic Entomology (D) Forensic dentistry
Ans: C
100. Predominant species of insects used in forensic entomology are generally from the group of,
(A) All below mentioned (B) Calliphoridae (C) Sarcophagidae (D) Muscidae
Ans: A
(A) Hugo De Vries (B) Gregor Mendel (C) Stanley Miller (D) Morgan
Ans: A
52. In human 47 number of chromosomes (44 + XXY) is resulted in
(A) Klinefelter’s Syndrome (B) Down Syndrome (C) Edward Syndrome (D) Turner’s SyndromeAns: A
53. Archaeopteryx is a connecting link of the following animals :
(A) Pisces and Amphibians (B) Reptiles and Aves (C) Aves and Mammals (D) Amphibians and Reptiles
Ans: B
54. Refrigeration is a process which
(A) Kills bacteria (B) Inactivates the bacteria (C) Slows down the bacterial growth (D) Plasmolysis the bacteria
Ans: C
55. The Hormone that regulates the rhythm of life is
(A) Prolactin (B) Auxin (C) Cortisol (D) Melatonin
Ans: D
56. Which of the following animals are found in India in their natural habitat?
1. Flying fox 2. Puma 3. Snow Leopard
Select the correct answer using the code given below:
(a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3
Ans: C
57. In which of the following cancers is it shown initially that the disruptive micronuclei can trigger DNA damage on chromosomes and can be a potential biomarker for genetic instability
(a) Non small cell lung cancer (b) Small cell lung cancer
(c) Breast cancer (d) Colon cancer
Ans: A
58. Who is the President of the Council of Scientific and Industrial Research (CSIR)?
(a) The President of India (b) The Vice President of India
(c) The Prime Minister of India (d) Union Minister of Science and Technology
Ans: C
59. If you wish to see Pandas and Gibbons in their natural habitat in India, which of the following regions do you have to travel to?
(a) Western Himalayas (b) Eastern Himalayas (c) Western Ghats (d) Eastern Ghats
Ans: B
60. Which of the following can be made by using biodegradable polymers?
(a) Artificial lens of the eye (b) Artificial blood vessels (c) Artificial teeth (d) Artificial intestine
Ans: B
61. Which of the following can be a threat to Biodiversity?
1. Global climate change 2. Pests and Pathogens 3. Invasive species
Select the correct answer using the codes given below:
(a) 1, 2 and 3 (b) 1 and 3 only (c) 2 and 3 only (d) 1 only
Ans: A
62. Which of the following can be used in biomass power plants to produce electricity?
1. Cow dung 2. Rice husk 3. Stalks of wheat
Select the correct answer using the codes given below.
(a) 1 only (b) 2 and 3 only. (c) 1, 2 and 3 (d) None of these can be used in biomass power plants.
Ans: C
63. Water hyacinth is generally perceived as a notorious aquatic weed, but it can be a useful plant. Which of the following statements is/ are correct in this context?
1. This plant contains certain substances which can be extracted and used as medicines, herbicides and pesticides.
2. This plant can be used to remove many heavy metals like Cadmium, Lead and Mercury from water bodies.
Select the correct answer using the codes given below:
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: B
64. ‘Fly ash’ is emitted from:
(a) Brick kilns (b) Motor vehicles (c) Sewage treatment plants (d) Thermal power plants
Ans: D
65. What is ‘M-cessation’, sometimes seen in news?
(a) An initiative to help tobacco users to quit tobacco
(b) A mobile phone service that delivers audio messages on pregnancy, child birth and child care
(c) An app to learn all the methods of cashless financial transactions
(d) A government initiative to eradicate the availability of narcotics to general public
Ans: A
66. What is/are the objectives of Cartagena Protocol on Biosafety?
1. Establishing or promoting in-situ conservation facilities for rare and endangered organisms
2. Maintaining the worldwide network of gene banks for all the known flora and fauna
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Ans: D
67. Consider the following animals:
1. Sloth bear 2. Jaguar 3. Hoolock gibbon
Which of the above is/are found in India in their natural habitat?
(a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3
Ans: C
68. Consider the following statements:
1. In certain parts of India, the cultivation of opium is legally allowed.
2. Opium gum is mixed with cluster bean gum in fracking technology that is used in the shale gas extraction.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: A
69. There is a worldwide protest against the use of hydrofluorocarbons. In which of the following household things are they used?
(a) Air-conditioning machines (b) Cooking gas cylinders (c) Gas geysers (d) Microwave ovens
Ans: A
70. In the context of Genetic Engineering, scientists have developed a new computational method called ‘Target Finder’ which can predict where non- coding DNA interacts with genes. Which of the following is a likely advantage of this?
(a) Artificial induction of beneficial mutations so as to develop high-yielding varieties
(b) Finding new drug targets to treat some genetic diseases
(c) Rapid cloning of domesticated animals
(d) All of these
Ans: B
71. Consider the following:
1. Gold 2. Platinum 3. Silver
Which of the above is/are found in e-waste?
(a) 1 and 2 only (b) 3 only (c) 1, 2 and 3 (d) None
Ans: C
72. “Boil a small quantity of khoya with some water, cool and add a few drops of iodine solution and see the formation of blue colour”. This is the test to find the presence of which of the following?
(a) Fructose (b) Gram flour (c) Starch (d) Urea
Ans: C
73. Which of the following CANNOT be used as a biofertilizer in rice cultivation?
(a) Azolla (b) Azospirillum (c) Blue green algae (d) Rhizobium
Ans: D
74. Consider the following statements:
1. Biodiversity is normally greater in the lower latitude as compared to higher latitudes.
2. Along the mountain gradient, biodiversity is normally greater in the lower altitudes as compared to higher altitudes.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: C
75. Aflatoxins are formed by:
(a) Aspergillus flavus (b) Candida albicans (c) Cryptococcus neoformans (d) Coccidioides schenckii
Ans: A
76. Consider the following statements:
1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: C
77. ‘Nagoya Protocol’, sometimes seen in news refers to:
(a) Convention on International Trade in Endangered Species of Wild Fauna and Flora
(b) Convention on the Conservation of Migratory Species of Wild Animals
(c) Convention on Biological Diversity
(d) Convention on Wetlands of International Importance especially as Waterfowl Habitat
Ans: C
78. Some substances known as ‘Short-Lived Climate Forcers’ (SLCF) assume importance in the context of climate change. Which of the following is/are SLCF?
1. Black carbon 2. Carbon dioxide 3. Hydrofluorocarbons 4. Methane
Select the correct answer using the code given below:
(a) 1 and 2 only (b) 1, 3 and 4 only (c) 3 and 4 only (d) 1, 2, 3 and 4
Ans: B
79. Consider the following statements:
1. Production of cement blended with fly ash or slag (blended cement) is less energy efficient compared to the production of ordinary portland cement.
2. ‘Electricity and heat production’ together constitute the single largest contributor of greenhouse gases in India. Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: B
80. The global warming potential is highest among which of the following greenhouse gases?
(a) CO2 (b) CH4 (c) N20 (d) SF6
Ans: D
81. With reference to food preservation, which of the following statements is/are correct?
1. Pasteurization means the heating of a food product to a sufficiently high temperature to kill all the microorganisms present in it.
2. In the case of food preservation by sterilization by heat, foods high in acid are very easily sterilized as compared to those low in acid. Select the correct answer using the code given below:
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: B
82. Consider the following statements:
1. Pasteurization by heat is used in the processing of fruit juices.
2. Water glass is used in the preservation of eggs.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Ans: C
83. Which of the following parts of the human body can be used as a sample/samples for the presence of mercury?
1. Blood 2. Hair 3. Nail Select the correct answer using the code given below:
(a) 1 only (b) 2 and 3 only (c) 3 only (d) 1, 2 and 3
Ans: D
84. With reference to mercury pollution, which of the following statements are correct?
1. Once released into environment, mercury can turn into methyl mercury.
2. Mercury can enter the human body through inhalation.
3. As regards the entry and accumulation of mercury in humans, contaminated fish is an important source.
Select the correct answer using the code given below:
(a) 1 and 2 only (b) 2 and 3 only
(c) 1 and 3 only (d) 1, 2 and 3
Ans: D
85. What is ‘CRISPR-Cas9’ ?
(a) A targetted genome editing technique (b) A cancer causing gene
(c) A robotic surgical procedure (d) A technique of two-dimensional electrophoresis
Ans: A
86. Which of the following is/are included in Kyoto Protocol?
1. Brominated flame retardants 2. Methyl alcohol 3. Hydrofluorocarbons
Select the correct answer using the code given below:
(a) 1 and 2 (b) 2 and 3 (c) 3 only (d) 1 only
Ans: C
87. Light travels at the fastest speed in :
(A) glass (B) water
(C) hydrogen (D) vacuum
Ans: D
88. The gas used in fire extinguisher :
(A) Carbon dioxide (B) Nitrogen oxide
(C) Carbon monoxide (D) Sulphur dioxide
Ans: A
89. Digestion of proteins starts in the :
(A) Mouth (B) Intestine
(C) Stomach (D) None of these
Ans: C
90:-Which organ is known as the blood bank of the human body?
A:-Mitochondria B:-Spleen C:- Liver D:- Heart
Ans: B
91:- The enzyme which converts protein to peptides
A:- Trypsin B:-Lactase C:-Peptidase D:-Lipase
Ans: A
92:- The base present in RNA and not in DNA is
A:- Adenine B:-Guanine C:- Cytosine D:- Uracil
Ans: D
93:- The first stage of Calvin Cycle is
A:-Reduction B:- Carboxylation C:- Regeneration D:- Fixation
Ans: B
94:- The micro-nutrient in plants which is essential for activating the enzyme carboxylase
A:- Boron B:- Copper C:- Mo|ybdenum D:- Zinc
Ans: D
95. Following of the techniques used for studying hair microanatomy,
(A) Scalp biopsy (B) Gentle hair pull (C) Aggressive hair pluck (trichogram) (D) All above mentioned
Ans: D
96. Whether hair is of an animal or a human in origin can be distinguished from,
(A) The coronal, or crown-like scale pattern (B) The spinous or petal like scale pattern
(C) The imbricate or flattened-scale pattern (D) None of above
Ans: B
97. For brown-red/black hair following pigment is responsible,
(A) Eumelanin (B) Neuromelanin (C) Phaeomelanin (D) All of above mentioned
Ans: A
98. With reference to racial origin, largest pigment granules, grouped in clumps of different sizes and shapes,
(A) Negroid hair (B) Mongoloid hair (C) Caucasoid hair (D) None of above
Ans: A
99. The application of the study of arachnids, centipedes, millipedes, and crustaceans etc. to criminal or legal cases,
(A) Forensic anthropology (B) Forensic behavioural sciences (C) Forensic Entomology (D) Forensic dentistry
Ans: C
100. Predominant species of insects used in forensic entomology are generally from the group of,
(A) All below mentioned (B) Calliphoridae (C) Sarcophagidae (D) Muscidae
Ans: A