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ZOOLOGY -PAGE 1

1. Fresh water sponge among the following is :
(A) Sycon
(B) Glass rope sponge
(C) Euspongia
(D) Spongilla
Answer: Spongilla ​

2. Malarial fever is caused by :
(A) Trypanosoma
(B) Leishmania
(C) Entamoeba
(D) Plasmodium
​Answer: Plasmodium

3. Metamerism is first seen in which phylum ?
(A) Arthropoda
(B) Annelida
(C) Mollusca
(D) Porifera
Answer: Annelida

4. Which carbohydrate is rich in Honey ?
(A) Glucose
(B) Galactose
(C) Fructose
(D) Sucrose
​Answer: Fructose

5. Which among the following is an example for limbless amphibia ?
​(A) Frog
(B) Icthyophis
(C) Hyla
(D) Salamandra
​Answer: Icthyophis

6.Binomial nomenclature was introduced by :
​(A) Aristotle
(B) De Candole
(C) Carolus Linnaeus
(D) Mendel
Answer: Carolus Linnaeus

7. An example for shell-less Mollusca is :
(A) Laligo
(B) Sepia
(C) Octopus
(D) Chiton
Answer: Chiton

8. Beneficial insect among the following is :
(A) Locust
(B) Spider
(C) Apis mellifera
(D) Cockroach
​Answer: Apis mellifera

9. Which of the following organisms shows very high degree of regeneration ?
(A) Spider
​(B) Crab
(C) Starfish
(D) House lizard
​Answer: House lizard

10.Incomplete dominance was first demonstrated by
(a). Mendel
(b). Correns
(c). Bridges
(d). Bateson and Punnett
Answer: Bateson and Punnett

11.Bateson and Punnett found the modified dihybrid ratio 9:7 in
(a). Lathyrus odoratus
(b). Pisum sativum
(c). Cucurbita pepo
(d). Zea mays
Answer: Lathyrus odoratus

12.CCpp x ccPP
(a). CCPP
(b). CCpp
(c). CcPp
(d). ccPP
Answer: CcPp

13.The masking effect between two different genes is called
(a). Epistasis
(b). Hypostatic
(c). Allele
(d). Mutant
Answer: Epistasis

14.A gene that inhibits the expression of another is said to be
(a). Epistasis
(b). Hypostatic
(c). Allele
(d). Mutant
Answer: Epistasis

15.Mixing and reassorting the genetic elements by protoplast fusion is known as
(a). Monohybridisation
(b). Dihybridisation
(c). Protoplasmic fusion
(d). Independent assortment
Answer: Protoplasmic fusion

16.The scientist who discovered that coupling and repulsion are two aspects of a single phenomenon called linkage is
(a). Bateson
(b). Mendel
(c). Morgan
(d). Punnet
Answer: Morgan

17.Pairing of homologous chromosomes is called
(a). Linkage
(b). Terminalisation
(c). Crossing over
(d). Synapsis
Answer: Synapsis

18.During crossing over, exchange of chromosomal or genetic material takes place between
(a). two chromatids
(b). two chromosomes
(c). two non-sister chromatids of each tetrad
(d). two sister chromatids of each homologue
Answer: two non-sister chromatids of each tetrad

19.Mutation helps for
(a). evolution
(b). fertilization
(c). cell division
(d). protein synthesis
Answer: evolution

20.Which one of the following is called as test cross?
(a). Dominant back cross
(b). Incomplete dominance
(c). Monohybrid cross
(d). Recessive back cross
Answer: Recessive back cross

21.The ratio of test cross is
(a). 3:1
(b). 1:1
(c). 1:2:2
(d). 9:3:3:1
Answer: 1:1

22.The monohybrid ratio is 
(a). 1:1:1:1
(b). 3:1
(c). 1:2:1
(d). 1:1
Answer: 3:1

23.The independent assortment takes place in Mendel's  experimentation when
(a). Chromosome pairing occurs
(b). Factors lie in different homologous chromosomes
(c). factors lie in one and the same chromosome
(d). factors are duplicated in the chromosomes
Answer: Factors lie in different homologous chromosomes

24.The law of independent assortment is based on
(a). Dihybrid cross
(b). Monohybrid cross
(c). Test cross
(d). Incomplete dominance
Answer: dihybrid cross


25. Archaeopteryx is a connecting link between
 A:-Reptiles and Mammals
 B:-Aves and Reptiles
 C:-Annelids and Arthropods
 D:-Aves and Mammals
 Correct Answer:- Option-B
26. The exchange of fluid, nutrients, electrolytes, hormones and other substances between the blood and the interstitial fluid is the function of
 A:-arteries
 B:-veins
 C:-lymph vessels
 D:-capillaries
 Correct Answer:- Option-D
27. Give an example for insitu biodiversity conservation?
 A:-Zoological parks
 B:-Botanical gardens
 C:-National parks
 D:-Museums
Ans: C

28. Which is a widely used diagnostic test for AIDS?
 A:-Biopsy
 B:-X-ray
 C:-Widal test
 D:-ELISA
Ans: D

29. Ascorbic acid is the chemical name of
 A:-Vitamin A
 B:-Vitamin B
 C:-Vitamin C
 D:-Vitamin D
Ans: C

30. Identify the name of an organism which shows bioluminescence from the following?
 A:-Ctenoplana
 B:-Spongilla
 C:-Liver fluke
 D:-Asterias
Ans: A

31. Name an important protein digesting enzyme present in the gastric juice of human being?
 A:-Trypsin
 B:-Pepsin
 C:-Chymotrypsin
 D:-Aminopeptidase
Ans: B

32. Which is the initiation codon for protein synthesis in higher organisms?
 A:-AUG
 B:-UAG
 C:-UGA
 D:-UAA
Ans: ​A
33:-Name the male sex hormone in human beings.
 A:-Adrenaline
 B:-Insulin
 C:-Estrogen
 D:-Testosterone
Ans: D

34:-Which is the most common test for identifying the presence of sugar in urine sample
 A:-Biuret test
 B:-Benedict's test
 C:-Nitric acid test
 D:-Vidal test
Ans: B

35:-Which are the structural and functional units of human kidney
 A:-Neurons
 B:-Dendrons
 C:-Axons
 D:-Nephrons
Ans: D

36:-Name a disease which is spreading by direct contact
 A:-Anaemia
 B:-AIDS
 C:-Ringworm
 D:-Haemophilia
Ans: C

37:-Name the ion which is very essential for blood clotting.
 A:-K
 B:-Na
 C:-Ca
 D:-Cl
Ans: C

38:-Who is concidered as the father of Genetics?
 A:-Gregor Mendel
 B:-Charles Darwin
 C:-Hugo de Vries
 D:-Tchermack
Ans: A

39:-Which is the natural coating of our teeth surface?
 A:-Dentine
 B:-Enamel
 C:-Pulp
 D:-Gum
Ans: B

40:-Name the membranes which cover and protect our lungs.
 A:-Meninges
 B:-Pericardium
 C:-Skin
 D:-Pleura
Ans: D

​41:-Nervous tissue is made up of_______________
 A:-nerves
 B:-neurons
 C:-myofibrils
 D:-myosins
Ans: B

42:-Name the pigment present in the cone cells of eye.
 A:-Iodopsin
 B:-Photopsin
 C:-Rhodopsin
 D:-Thyropsin
Ans: A
43:-Technique used in DNA finger printing is
 A:-Eastern blotting
 B:-Southern blotting
 C:-Northern blotting
 D:-Western blotting
Ans: D

44:-Hormone secreted by the atrial wall of heart is
 A:-ANF
 B:-ADH
 C:-Adrenalin
 D:-ACTH
Ans: A

45:-Total number of bones in adult human body is
 A:-260
 B:-208
 C:-280
 D:-206
Ans: D
46:-Night blindness is caused by the deficiency of
 A:-Vitamin D
 B:-Vitamin B
 C:-Vitamin C
 D:-Vitamin A
Ans: D

47:-A Camel uses its hump for
 A:-Temperature Regulation
 B:-Storing Water
 C:-Storing Fat
 D:-Balancing the body during walking on desert sand
Ans: C

48:-A gland known as the gland of Emergency is the
 A:-Thyroid
 B:-Adrenal
 C:-Pituitary
 D:-Liver
Ans: B

49:-Which Organ is responsible for blood clotting ?
 A:-Brain
 B:-Liver
 C:-Heart
 D:-Lungs
Ans: B

50:-Disease which doesnot affect lungs
 A:-Stars
 B:-Tuberculosis
 C:-Rabies
 D:-Asthma
Ans: C

51:-Dengue fever is a
 A:-Fungal disease
 B:-Bacterial disease
 C:-Viral disease
 D:-Protozoa
Ans: C
 
52:-Which disease is called GRID ?
 A:-Anthrax
 B:-AIDS
 C:-Sars
 D:-Plague
Ans: B
53:-The fear of bees is
 A:-Apiphobia
 B:-Bathophobia
 C:-Alektorophobia
 D:-Ailurophobia
Ans: A

54:-How many litres of blood in a normal human body?
 A:-5.5 litres
 B:-4 litres
 C:-7.5 litres
 D:-8 litres
Ans: A

55:-Which is the only gland that can act as endocrine and exocrine gland in human body?
 A:-Pancreas gland
 B:-Pituitary gland
 C:-Thymus gland
 D:-Thyroid gland
Ans: A

56:-The person suffering from both myopia and hypermetropia can be corrected by using a ________.
 A:-Cylindrical lens
 B:-Convex lens
 C:-Bifocal lens
 D:-Concave lens
Ans: C

57:-Which of the following is not a bacterial diseases?
 A:-Plague
 B:-Cyphilis
 C:-Mumps
 D:-Cholera
Ans: C
58. Which of the following is responsible for controlling hereditary characters of the living  cells?
 A:- Enzyme
 B:- Hormone
 C:- RNA
 D:- DNA
 Ans: D

59. Which of the following vitamins is known as ergocalciferol ?
 A:- Vitamin D2
 B:- Vitamin D3
 C:- Vitamin B12
 D:- Vitamin B6
 Ans: A

60.  Which of the following vitamins is used as an antidote to anticoagulant poisons ?
 A:- Vitamin A
 B:- Vitamin D
 C:- Vitamin E
 D:- Vitamin K
 Ans: D
61. Which of the following hormones play a role in release of milk from mammary glands?
 A:- Adrenaline
 B:- Thyroxine
 C:- Progesterone
 D:- Oxytocin
 Ans: D

62. Match List-I with List-II and select the correct answer using the codes given below the lists :
List-I
1. Skin Cancer
2. Noise Pollution
3. Global warming
d.Ozone Hole
List-II
1. Chlorofluorocarbons
2. Ultraviolet light
3. Decibel
4. Carbon dioxide
Codes :
a b c d
 A:- 1 2 3 4
 B:- 2 3 4 1
 C:- 2 3 1 4
 D:- 4 3 2 1
 Ans: B

63. In human body, Vitamin A is stored in
 A:- Liver
 B:- Skin
 C:- Lung
 D:- Kidney
 Ans: A

64. The snake bite firstly affects which part of body ?
 A:- nervous system
 B:- brain
 C:- blood circulation
 D:- lungs
 Ans: C

65. Human skin is
 A:- A cell
 B:- A tissue
 C:- An organ
 D:- None of these
 Ans: B

66. Insulin is secreted by
 A:- Spleen
 B:- Gonads
 C:- Liver
 D:- Pancreas
 Ans: D

67. A colour-blind person can not differentiate between the colours
 A:- yellow and green
 B:- black and blue
 C:- red and green
 D:- blue and green
 Ans: C

68. Genes are made-up of
 A:- nucleic acids
 B:- proteins
 C:- carbohydrates
 D:- lipids
 Ans: B

69. The most abundantly found metal in the human body is
 A:- Iron 
 B:- Sodium
 C:- Calcium
 D:- Magnesium
Ans: B
70. The course taken by water in the canal system of sycon is
(A) Osculum ---> Spongocoel ---> Apopyle --->Prosopyle ---> lncurrent canal --> Ostia
(B) Osculum --> Incurrent canal ---> Prosopyle --> Apopyle --> Spongocoel ---> Ostia
(C) Ostia --> Incurrent canal ---> Prosopyle --> Spongocoel ---> Radial canal Apopyle -> Osculum
​(D) Ostia --> Incurrent canal --> Prosopyle --> Radial canal Apopyle --> Spongocoel ---> Osculum
​Ans: D

71. (A) Ascaris can also respire aerobically
(R) If free oxygen is present in the host intestine, it can utilize it since Ascaris possess cytochrome oxidase
(A) (A) is correct but (R) is wrong
(B) Both (A) and (R) are wrong
​(C) Both (A) and (R) are correct and (R) explains (A)
(D) Both (A) and (R) are correct but (R) does not explain (A)
Ans: C

72. The larval stage that, is present in the flesh of pig and is called "Measley pork".
(A) Miracidium
​(B) Cysticercus
(C) Cercaria
(D) Onchosphere
​Ans: B

73. Sexual diamorphism is a characteristic feature of
(A) Hirudinaria granulosa
(B) Megascolex marutii
(C) Pheretima Posthuma
​(D) Nereis diversicolor
Ans: D

74. Which one of the following is a living fossil?
(A) Peripatus
(B) Pheretima
(C)  Limulus
(D) Palamnaeus
Ans: C

75. Which of the following statement is not true in the case of peripatus?
(A) The tongue lies dorsally
(B) There are no digestive glands connected to the stomach
​(C) Crural glands are seen on all the legs
(D) The secretions of slime glands are similar to those of spider's web
​Ans: C
76. Radula is found in all classes of molluscs except 
(A) Plecypods
(B) Cephalopods
(C) Gastropods
(D) Aplacophorans
Ans:  B

77. Pearl oysters belong to class
(A) Pelecypoda
(B) Gastropoda
(C) Cephalopoda
(D) Scaphopoda
Ans: A

78. Madrepoite and Tiedmann's body axe associated with which of the following system?
(A) Nervous
(B) Digestive
(C) Ambulacral
(D) Blood vascular
Ans: C

79. Which one of the following is a poisonous snake?
(A) Naja Naja
(B) Scolecophidia
(C) Python reticulatus
(D) Eryx johnii
​Ans: A

80. Retrogressive metamorphosis is seen in
(A) Balanoglossus
(B) Ascidia
(C) Fishes
(D) Amphioxus
Ans:  B

81. Which is the largest frog in the world?
(A) Rana hexadactyla
(B) Rana Tigrina
(C) Bufo
(D) Rana Goliath
Ans:  D

82. Which of the following is a marsupial?
(A) Prototheria
(B) Eutheria
(C) Mesotheria
(D) Metatheria
Ans:
​D

83. Which is not a gland present in the skin of mammals?
(A) Sweat gland
(B) Oil gland
(C) Mammary gland
(D)  Pituitary gland
Ans: ​D

84. In prototheria, a marsupial (epipubic) bone is present, which resembles
(A) Eutheria
(B) Metametheria
(C) Reptiles
(D) Aves
Ans: B
85. The term “molecular stitcher” refers to
A) DNA polymerases B) DNA ligase C) DNA glycosylases D) DNA methylation
Ans: B
 
86.       A DNA strand having the base sequences ATTGCCAATAC is mutated to ATTGCCAAGAC, the mutation that occurs is termed as
A) Transduction B) Translocation C) Transition D) Transversion
Ans: D
 
87.       When the temperature and pressure remains constant the rate of diffusion of a gas will be inversely proportional to the square root of the density states is the
A) Graham’s Law of diffusion B) Max Planck theory C) Bohr theory D) Avagadro’s law
Ans: A
 
88.       Glutamate is the precursor of aminoacids
A) Proline and arginine B) Proline and cysteine C) Glycine and cysteine D) Arginine and glycine
Ans: A

89.       Sensory hair cells in the cristae ampullaries contact
A) Striavascularis B) Gelatinous cupola C) Basilar membrane D) Associated hairs
Ans: B
 
90.       The fight, flight and fright hormone is
A) Adrenalin B) Pituitary C) FSH D) Aldosterone
 Ans: A

91. Severe combined immune deficiency is a genetic defect due to deficiency of
A) Adenosine triphosphatase B) Maleyl acetoacetic acid C) Transaminase D) Adenosine deaminase
Ans: D
 
92. An inborn error in the metabolism of the amino acid tyrosine is associated with
A) Alkaptonuria B) Phenylketonuria C) Albinism D) Cretinism
Ans: C
 
93.   Which one of the following is notan extraembryonic membrane ?
A) Amnion B) Albumin C) Chorion D) Allantois
Ans: B

94. Egg of petromyzoneis
A) Isolecithal B) Macrolecithal C) Mesolecithal D) Microlecithal
Ans: C
 
95. Galactosaemia is a congenital disease when normal metabolism of galactose is lacking an enzyme
A) Galactose-1-phosphate uridyltransferase
B) Galactose-1-phosphatase
C) Galactose-1-2-phosphatase
D) Galactose-1-phosphate transferase
Ans: A
 
96.   The physiologically active form of pantothenic acid essential for metabolism
A) Acetylcholine B) Choline C) Coenzyme A D) None of the above
Ans: C

97. Bitot’s spots is caused by the deficiency of
A) Vitamin A B) Vitamin D C) Vitamin K D) Vitamin B
Ans: A
 
98. Erythrocytes do not transport the enzyme
A) Choline esterase B) Carbonic anhydrase C) Permease D) Methaemoglobin reductase
Ans: C
 
99.   Composite molecule of DNA in which a foreign DNA has been inserted into a vector molecule are called
A) Foreign DNA B) DNA chimaeras C) Target DNA D) Passenger DNA
Ans: B

100.   Deficiency of an enzyme beta-D-N-acetyl-hexosaminidase causes
A) Beta-thalassemia B) Tay Sachs disease C) Galactosemia D) Alkaptonuria
​
Ans: B
​
  • Zoology​
  • Zoology- Page 1
  • ​Zoology- Page 2
  • ​Zoology- Page 3
  • ​Zoology- Page 4
  • ​Zoology- Page 5
  • Zoology- Page 6
  • ​Zoology- Page 7
  • ​Zoology- Page 8
  • ​Zoology- Page 9
  • ​Zoology- Page 10
  • ​Zoology- Page 11
  • ​​Zoology Notes- Page 1- Nutrition
  • Zoology Notes- Page 2- Balanced Diet
  • Zoology Notes- Page 3- Human Digestive System
  • Zoology Notes- Page 4- Human Respiration
  • Zoology Notes- Page 5- Genetics

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      • UPSC EXAM SYLLABUS- CIVIL ENGINEERING
      • UPSC EXAM SYLLABUS- GEOGRAPHY
      • UPSC EXAM SYLLABUS- COMMERCE AND ACCOUNTING
      • UPSC EXAM SYLLABUS- ECONOMICS
      • UPSC EXAM SYLLABUS- ELECTRICAL ENGINEERING
      • UPSC EXAM SYLLABUS- HISTORY
      • UPSC EXAM SYLLABUS- LAW
      • UPSC EXAM- FREQUENTLY ASKED QUESTIONS (FAQs)
      • UPSC EXAM SYLLABUS- MANAGEMENT
      • UPSC EXAM SYLLABUS- MATHEMATICS
      • UPSC EXAM SYLLABUS- MECHANICAL ENGINEERING
      • UPSC EXAM SYLLABUS- MEDICAL SCIENCE
      • UPSC EXAM SYLLABUS- PHILOSOPHY
      • UPSC EXAM SYLLABUS- PHYSICS
      • UPSC EXAM SYLLABUS- POLITICAL SCIENCE AND INTERNATIONAL RELATIONS
      • UPSC EXAM SYLLABUS- PSYCHOLOGY
      • UPSC EXAM SYLLABUS- PUBLIC ADMINISTRATION
      • UPSC EXAM SYLLABUS- SOCIOLOGY
      • UPSC EXAM SYLLABUS- STATISTICS
      • UPSC EXAM SYLLABUS- ZOOLOGY
    • THE COMBINED GEOSCIENTIST AND GEOLOGIST EXAMINATION SYLLABUS
    • COMBINED MEDICAL SERVICES EXAMINATION SYLLABUS
    • JOINT ENTRANCE EXAMINATION
    • OPTIONAL SUBJECTS OF UPSC EXAM TOPPERS
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    • COMBINED GRADUATE LEVEL EXAMINATION- SSC
    • OVERVIEW OF GATE EXAM
    • UPSC INDIAN FOREST SERVICE >
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- AGRICULTURE
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- AGRICULTURAL ENGINEERING
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- ANIMAL HUSBANDRY AND VETERINARY SCIENCE
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- BOTANY
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- CHEMISTRY
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- CHEMICAL ENGINEERING
      • GEN. STUDIES- INDIA PAGE 5
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- CIVIL ENGINEERING
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      • UPSC INDIAN FOREST SERVICE- SYLLABUS- GEOLOGY
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- MATHEMATICS
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- MECHANICAL ENGINEERING
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- PHYSICS
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- STATISTICS
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- ZOOLOGY
  • SITEMAP
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