BIOLOGY -PAGE 1
1:-The moulting hormone in insects is
A:-Ecdysone
B:-Thyroxine
C:-Pheremone
D:-Juvenile hormone
Ans: A
2:-The symptoms of an allergic reaction develop in response to
A:-Compliment proteins
B:-Interleukins
C:-Interferon
D:-Histamine
Ans: D
3:-Name the scientist who discovered the DNA
A:-Freidrich Meischer
B:-James Watson
C:-Avery
D:-Griffith
Ans: A
4:-The most abundant lipid in a cell membrane is
A:-Cutin
B:-Glycolipid
C:-Steroid
D:-Phospholipid
Ans: D
5:-Which of the following is a type of intercellular junction in animal cell
A:-Desmosomes
B:-Glycocalyx
C:-Plasmodesmata
D:-Middle lamella
Ans: A
6:-The syndrome in which an individual's somatic cells will contain the three sex chromosome XXY is called
A:-Turner
B:-Down
C:-Klinefelter
D:-Edward
Ans: C
7:-The scientist who won "Nobel Prize" for the work in the field of entomology
A:-Ivan Pavlov
B:-Karl von Frisch
C:-Moses Kinby
D:-Konrad Lorenz
Ans: B
8:-Menstruation is triggered by an abrupt decline in the amount of
A:-Lutenizing hormone
B:-Follicle stimulating hormone
C:-Estrogen
D:-Progesterone
Ans: D
9:-Photochemical fog always contain
A:-Aluminium ion
B:-Ozone
C:-Methane
D:-Phosphorus
Ans: B
10:-First national park in India is
A:-Jim Corbet National Park
B:-Satpura National Park
C:-Panna National Park
D:-Kaziranga National Park
Ans: A
11:-What percent of ultra violet radiation increases with subsequent reduction of 1% ozone ?
A:-8%
B:-10%
C:-2%
D:-6%
Ans: C
12:-Computational genomics and their analysis include
A:-DNA
B:-RNA
C:-Both DNA and RNA
D:-None of the above
Ans: C
13:-Continuous variables are represented by
A:-Histogram
B:-Bar-diagram
C:-Pie-chart
D:-Line diagram
Ans: A
14:-Which is the first secondary database to be developed ?
A:-PRINTS
B:-ROSITE
C:-P farm
D:-BLOCKS
Ans: B
15:-A computer or software system that communicate information via internet to a client
A:-Windows
B:-URL
C:-UNIX
D:-Server
Ans: D
16:-First functional electron microscope was developed by
A:-Knowl and Ruska
B:-Daniel Nathans
C:-Robert Hook
D:-None of the above
Ans: A
17:-Beer-Lambert law is applied in
A:-Electrophoresis
B:-Chromatography
C:-Colorimetry
D:-Centrifugation
Ans: C
18:-Wild Life Protection Act was enacted in
A:-1972
B:-1960
C:-2001
D:-1968
Ans: A
19:-Mutation theory was proposed by
A:-T. H. Morgan
B:-Hugo Devries
C:-Lamarck
D:-Carl Correns
Ans: B
20:-The first restriction endonuclease enzyme discovered was __________
A:-Hind II
B:-Eco R I
C:-Pst I
D:-Sat I
Ans: A
21:-Which of the following is considered as the leader of Chipko Movement ?
A:-Baba Amte
B:-Medha Padkar
C:-Sunderlal Bahuguna
D:-Kiran Bedi
Ans: C
22:-Headquarters of UNEP is at ________________
A:-Switzerland
B:-USA
C:-France
D:-Nairobi
Ans: D
23:-Which of the following is an ecotone ?
A:-Estuary
B:-Pond
C:-Lake
D:-River
Ans: A
24:-Point out mangrove vegetation
A:-Rhiopoda
B:-Rhinozoa
C:-Rhinoceros
D:-Rhizophora
Ans: D
25:-The chromosome theory of heredity was proposed by
A:-Sutton and Bovery
B:-Jacob and Monod
C:-Bateson and Punnet
D:-Correns and Tschermark
Ans: A
26:-The crossing over take place during
A:-Zygotene
B:-Diplotene
C:-Pachytene
D:-Diakinesis
Ans: C
27:-What is "black water fever" ?
A:-Leishmaniasis
B:-Falciparum malaria
C:-Hepatitis
D:-Plague
Ans: B
28:-Which type of infectious disease is known as "Thursh" ?
A:-Giardiasis
B:-Cholera
C:-Sporotrichosis
D:-Candidosis
Ans: D
29:-The enzyme gyrase is associated with
A:-Transcription
B:-DNA repair
C:-Translation
D:-None of the above
Ans: D
30:-Which of the following method is used for studying/detecting gene expression ?
A:-Subtractive hybridization
B:-Microarray hybridization
C:-Southern hybridization
D:-Differential display PCR
Ans: C
A:-Ecdysone
B:-Thyroxine
C:-Pheremone
D:-Juvenile hormone
Ans: A
2:-The symptoms of an allergic reaction develop in response to
A:-Compliment proteins
B:-Interleukins
C:-Interferon
D:-Histamine
Ans: D
3:-Name the scientist who discovered the DNA
A:-Freidrich Meischer
B:-James Watson
C:-Avery
D:-Griffith
Ans: A
4:-The most abundant lipid in a cell membrane is
A:-Cutin
B:-Glycolipid
C:-Steroid
D:-Phospholipid
Ans: D
5:-Which of the following is a type of intercellular junction in animal cell
A:-Desmosomes
B:-Glycocalyx
C:-Plasmodesmata
D:-Middle lamella
Ans: A
6:-The syndrome in which an individual's somatic cells will contain the three sex chromosome XXY is called
A:-Turner
B:-Down
C:-Klinefelter
D:-Edward
Ans: C
7:-The scientist who won "Nobel Prize" for the work in the field of entomology
A:-Ivan Pavlov
B:-Karl von Frisch
C:-Moses Kinby
D:-Konrad Lorenz
Ans: B
8:-Menstruation is triggered by an abrupt decline in the amount of
A:-Lutenizing hormone
B:-Follicle stimulating hormone
C:-Estrogen
D:-Progesterone
Ans: D
9:-Photochemical fog always contain
A:-Aluminium ion
B:-Ozone
C:-Methane
D:-Phosphorus
Ans: B
10:-First national park in India is
A:-Jim Corbet National Park
B:-Satpura National Park
C:-Panna National Park
D:-Kaziranga National Park
Ans: A
11:-What percent of ultra violet radiation increases with subsequent reduction of 1% ozone ?
A:-8%
B:-10%
C:-2%
D:-6%
Ans: C
12:-Computational genomics and their analysis include
A:-DNA
B:-RNA
C:-Both DNA and RNA
D:-None of the above
Ans: C
13:-Continuous variables are represented by
A:-Histogram
B:-Bar-diagram
C:-Pie-chart
D:-Line diagram
Ans: A
14:-Which is the first secondary database to be developed ?
A:-PRINTS
B:-ROSITE
C:-P farm
D:-BLOCKS
Ans: B
15:-A computer or software system that communicate information via internet to a client
A:-Windows
B:-URL
C:-UNIX
D:-Server
Ans: D
16:-First functional electron microscope was developed by
A:-Knowl and Ruska
B:-Daniel Nathans
C:-Robert Hook
D:-None of the above
Ans: A
17:-Beer-Lambert law is applied in
A:-Electrophoresis
B:-Chromatography
C:-Colorimetry
D:-Centrifugation
Ans: C
18:-Wild Life Protection Act was enacted in
A:-1972
B:-1960
C:-2001
D:-1968
Ans: A
19:-Mutation theory was proposed by
A:-T. H. Morgan
B:-Hugo Devries
C:-Lamarck
D:-Carl Correns
Ans: B
20:-The first restriction endonuclease enzyme discovered was __________
A:-Hind II
B:-Eco R I
C:-Pst I
D:-Sat I
Ans: A
21:-Which of the following is considered as the leader of Chipko Movement ?
A:-Baba Amte
B:-Medha Padkar
C:-Sunderlal Bahuguna
D:-Kiran Bedi
Ans: C
22:-Headquarters of UNEP is at ________________
A:-Switzerland
B:-USA
C:-France
D:-Nairobi
Ans: D
23:-Which of the following is an ecotone ?
A:-Estuary
B:-Pond
C:-Lake
D:-River
Ans: A
24:-Point out mangrove vegetation
A:-Rhiopoda
B:-Rhinozoa
C:-Rhinoceros
D:-Rhizophora
Ans: D
25:-The chromosome theory of heredity was proposed by
A:-Sutton and Bovery
B:-Jacob and Monod
C:-Bateson and Punnet
D:-Correns and Tschermark
Ans: A
26:-The crossing over take place during
A:-Zygotene
B:-Diplotene
C:-Pachytene
D:-Diakinesis
Ans: C
27:-What is "black water fever" ?
A:-Leishmaniasis
B:-Falciparum malaria
C:-Hepatitis
D:-Plague
Ans: B
28:-Which type of infectious disease is known as "Thursh" ?
A:-Giardiasis
B:-Cholera
C:-Sporotrichosis
D:-Candidosis
Ans: D
29:-The enzyme gyrase is associated with
A:-Transcription
B:-DNA repair
C:-Translation
D:-None of the above
Ans: D
30:-Which of the following method is used for studying/detecting gene expression ?
A:-Subtractive hybridization
B:-Microarray hybridization
C:-Southern hybridization
D:-Differential display PCR
Ans: C
31:-Who among the following evolutionary biologist got Indian citizenship ?
A:-Charles Darwin
B:-J. B. S. Haldane
C:-Fransisco Redi
D:-Spallanzani
Ans: B
32:-Bread moulds are classified under which division ?
A:-Basidiomycotina
B:-Zygomycotina
C:-Chtridiomycotina
D:-Ascomycotina
Ans: B
33:-Which is also known as ballistospores ?
A:-Ascospores
B:-Oospores
C:-Basidiospores
D:-Zygospores
Ans: C
34:-Which is the first 3-carbon compound formed in C3-cycle ?
A:-3-phospho glyceric acid
B:-3-phosphoglyceraldehyde
C:-Phosphoenol pyruvic acid
D:-Malic acid
Ans: A
35:-Algae used by Melvin Calvin and co-workers to study photosynthesis is
A:-Polysiphonia
B:-Spirogyra
C:-Chlorella
D:-Gelidium
Ans: C
36:-Pink disease of rubber is caused by
A:-Xanthomonas citri
B:-Pythium aphanidermatum
C:-Phytoplasma
D:-Corticium salmonicolor
Ans: D
37:-How many centers of origin were proposed by Nikoloai Vavilov ?
A:-11
B:-13
C:-14
D:-12
Ans: D
38:-Who among the following is a famous Indian Bryologist ?
A:-K. Thothathri
B:-P. Maheswari
C:-M. Sanjappa
D:-D. K. Singh
Ans: D
39:-What is the meaning of the term protandrous ?
A:-Ovule absent
B:-Gynoecium matures first
C:-Androecium matures first
D:-Androecium absent
Ans: C
40:-In Pteridophytes, gametes are produced in
A:-Prothallus
B:-Fronds
C:-Upper surface of leaves
D:-Sporophyte
Ans: A
41:-Most primitive water conducting structures known as hydroids are found in
A:-Psilotum
B:-Sphagnum
C:-Lycopodium
D:-Water lilies
Ans: B
42:-Which among the following algae gives iodine ?
A:-Ectocarpus
B:-Oedogonium
C:-Nostoc
D:-Laminaria
Ans: D
43:-Where we can see zygotic meiosis ?
A:-Bryophytes
B:-Pteridophytes
C:-Algae
D:-Fungi
Ans: C
44:-Which is the most common amino acid seen in the beta bend ?
A:-Glycine
B:-Alanine
C:-Threonine
D:-Asparagine
Ans: A
45:-Lipids are the most important constituents in
A:-Nucleus
B:-Ribosomes
C:-Lysosomes
D:-Biological membranes
Ans: D
46:-Cardiolipin is characteristic to
A:-Mitochondria
B:-Endoplasmic reticulum
C:-Golgibodies
D:-Nucleus
Ans: A
47:-The atmosphere of primitive earth is
A:-`CO_(2)` rich
B:-`O_(2)` rich
C:-both 1 and 2
D:-`CO_(2)` rich and `O_(2)` free
Ans: D
48:-Which among the following is a common isoform of glucose transporter ?
A:-GLUT1
B:-GLUT3
C:-GLUT4
D:-GLUT2
Ans: C
49:-Which is the `21^(st)` aminoacid recognized ?
A:-Proline
B:-Selenocysteine
C:-Hydroxy proline
D:-Citrulline
Ans: B
50:-The lowest level of chromosome organization is
A:-Nucleosomes
B:-Histones
C:-Lampbrush chromosomes
D:-Solenoid model
Ans: A
51:-How many subfamilies are there under Leguminosae as per the latest Legume classification ?
A:-5
B:-6
C:-3
D:-7
Ans: B
52:-Petals are absent in
A:-Caesalpinia pulcherrima
B:-Neolamarckia cadamba
C:-Saraca asoca
D:-Spathoglottis plicata
Ans: C
53:-Which is acting as extracellular messenger and intracellular communicator ?
A:-cAMP
B:-NO
C:-`H_(2)``S`
D:-cGMP
Ans: C
54:-Who proposed Chemi-osmotic theory of ATP formation ?
A:-P. Mitchel
B:-M. Calvin
C:-Andrew Benson
D:-L. Pauling
Ans: A
55:-Inheritance that is not encoded in DNA is known as
A:-Epigenetic
B:-Phylogenetic
C:-Paraphyletic
D:-Polyphyletic
Ans: A
56:-Which statistical tool is used to test if the standard deviations of two populations are equal ?
A:-T-Test
B:-ANOVA
C:-F-Test
D:-Chi-square
Ans: C
A:-Charles Darwin
B:-J. B. S. Haldane
C:-Fransisco Redi
D:-Spallanzani
Ans: B
32:-Bread moulds are classified under which division ?
A:-Basidiomycotina
B:-Zygomycotina
C:-Chtridiomycotina
D:-Ascomycotina
Ans: B
33:-Which is also known as ballistospores ?
A:-Ascospores
B:-Oospores
C:-Basidiospores
D:-Zygospores
Ans: C
34:-Which is the first 3-carbon compound formed in C3-cycle ?
A:-3-phospho glyceric acid
B:-3-phosphoglyceraldehyde
C:-Phosphoenol pyruvic acid
D:-Malic acid
Ans: A
35:-Algae used by Melvin Calvin and co-workers to study photosynthesis is
A:-Polysiphonia
B:-Spirogyra
C:-Chlorella
D:-Gelidium
Ans: C
36:-Pink disease of rubber is caused by
A:-Xanthomonas citri
B:-Pythium aphanidermatum
C:-Phytoplasma
D:-Corticium salmonicolor
Ans: D
37:-How many centers of origin were proposed by Nikoloai Vavilov ?
A:-11
B:-13
C:-14
D:-12
Ans: D
38:-Who among the following is a famous Indian Bryologist ?
A:-K. Thothathri
B:-P. Maheswari
C:-M. Sanjappa
D:-D. K. Singh
Ans: D
39:-What is the meaning of the term protandrous ?
A:-Ovule absent
B:-Gynoecium matures first
C:-Androecium matures first
D:-Androecium absent
Ans: C
40:-In Pteridophytes, gametes are produced in
A:-Prothallus
B:-Fronds
C:-Upper surface of leaves
D:-Sporophyte
Ans: A
41:-Most primitive water conducting structures known as hydroids are found in
A:-Psilotum
B:-Sphagnum
C:-Lycopodium
D:-Water lilies
Ans: B
42:-Which among the following algae gives iodine ?
A:-Ectocarpus
B:-Oedogonium
C:-Nostoc
D:-Laminaria
Ans: D
43:-Where we can see zygotic meiosis ?
A:-Bryophytes
B:-Pteridophytes
C:-Algae
D:-Fungi
Ans: C
44:-Which is the most common amino acid seen in the beta bend ?
A:-Glycine
B:-Alanine
C:-Threonine
D:-Asparagine
Ans: A
45:-Lipids are the most important constituents in
A:-Nucleus
B:-Ribosomes
C:-Lysosomes
D:-Biological membranes
Ans: D
46:-Cardiolipin is characteristic to
A:-Mitochondria
B:-Endoplasmic reticulum
C:-Golgibodies
D:-Nucleus
Ans: A
47:-The atmosphere of primitive earth is
A:-`CO_(2)` rich
B:-`O_(2)` rich
C:-both 1 and 2
D:-`CO_(2)` rich and `O_(2)` free
Ans: D
48:-Which among the following is a common isoform of glucose transporter ?
A:-GLUT1
B:-GLUT3
C:-GLUT4
D:-GLUT2
Ans: C
49:-Which is the `21^(st)` aminoacid recognized ?
A:-Proline
B:-Selenocysteine
C:-Hydroxy proline
D:-Citrulline
Ans: B
50:-The lowest level of chromosome organization is
A:-Nucleosomes
B:-Histones
C:-Lampbrush chromosomes
D:-Solenoid model
Ans: A
51:-How many subfamilies are there under Leguminosae as per the latest Legume classification ?
A:-5
B:-6
C:-3
D:-7
Ans: B
52:-Petals are absent in
A:-Caesalpinia pulcherrima
B:-Neolamarckia cadamba
C:-Saraca asoca
D:-Spathoglottis plicata
Ans: C
53:-Which is acting as extracellular messenger and intracellular communicator ?
A:-cAMP
B:-NO
C:-`H_(2)``S`
D:-cGMP
Ans: C
54:-Who proposed Chemi-osmotic theory of ATP formation ?
A:-P. Mitchel
B:-M. Calvin
C:-Andrew Benson
D:-L. Pauling
Ans: A
55:-Inheritance that is not encoded in DNA is known as
A:-Epigenetic
B:-Phylogenetic
C:-Paraphyletic
D:-Polyphyletic
Ans: A
56:-Which statistical tool is used to test if the standard deviations of two populations are equal ?
A:-T-Test
B:-ANOVA
C:-F-Test
D:-Chi-square
Ans: C
57:-Anomalous secondary thickening is shown by
A:-Chromalaena
B:-Dracaena
C:-Centella
D:-Cocos
Ans: B
58:-What is the binomial of chick pea ?
A:-Lablab purpureus
B:-Cicer areitinum
C:-Phaseolus aureus
D:-Vigna minima
Ans: B
59:-G2/M check point in mammalian cell cycle is mainly regulated by
A:-Cyclin B/A + Cdk1
B:-Cyclin A + Cdk2
C:-Cyclin E + Cdk 2
D:-Cyclin D's + Cdk 4 and Cdk 6
Ans: A
60:-Which enzyme deficiency is responsible for Neimann-Pick disease ?
A:-Ceramidase
B:-Spingomyelinase
C:-Galactocerebrosidase
D:-Hexosaminidase A
Ans: B
61:-The typical ΔG value during ATP hydrolysis in the cell is
A:--12 kcal/mol
B:--7.3 kcal/mol
C:--14 kcal/mol
D:-18 kcal/mol
Ans: A
62:-Who is the founder of Celera genomics ?
A:-Melvin Calvin
B:-Alec Jeffrey
C:-Craig Venter
D:-James Watson
Ans: C
63:-Which among the following is a plant systematic journal published from India ?
A:-Cell
B:-Taxon
C:-Candollea
D:-Rheedea
Ans: D
64:-How many conformational changes occurs to ribosomes, coupled with GTP hydrolysis during each cycle of chain elongation in translation ?
A:-Zero
B:-One
C:-Two
D:-Three
Ans: C
65:-Which of the following is not semelparous ?
A:-Annona
B:-Bamboo
C:-Corypha
D:-Cicada
Ans: A
66:-The evolution of one population in response to the evolution of another population and vice-verse is called
A:-Convergent evolution
B:-Co evolution
C:-Divergent evolution
D:-Parallel evolution
Ans: B
67:-Intestinal gas is the product of ____________
A:-Undigested meat
B:-Vitamin fermentation
C:-Intestinal bacteria
D:-Intestinal villi
Ans: C
68:-Which of the following animals has no need for gall bladder ?
A:-Human
B:-Dog
C:-Lion
D:-Horse
Ans: D
69:-Osteomalasia is a disease condition caused by the deficiency of _____________
A:-Isoleucine
B:-Vitamin D
C:-Methionine
D:-Vitamin C
Ans: B
70:-Breathing rate in mammals is controlled by a part of the brain called the _________
A:-Hypothalamus
B:-Thalamus
C:-Medulla oblongata
D:-Cerebellum
Ans: C
71. The living content of cell is called Protoplasm. It is composed of :
(A) Cytoplasm only (B) Cytoplasm and Nucleoplasm
(C) Nucleoplasm only (D) Cytoplasm, Nucleoplasm and other organelles
Ans: B
A:-Chromalaena
B:-Dracaena
C:-Centella
D:-Cocos
Ans: B
58:-What is the binomial of chick pea ?
A:-Lablab purpureus
B:-Cicer areitinum
C:-Phaseolus aureus
D:-Vigna minima
Ans: B
59:-G2/M check point in mammalian cell cycle is mainly regulated by
A:-Cyclin B/A + Cdk1
B:-Cyclin A + Cdk2
C:-Cyclin E + Cdk 2
D:-Cyclin D's + Cdk 4 and Cdk 6
Ans: A
60:-Which enzyme deficiency is responsible for Neimann-Pick disease ?
A:-Ceramidase
B:-Spingomyelinase
C:-Galactocerebrosidase
D:-Hexosaminidase A
Ans: B
61:-The typical ΔG value during ATP hydrolysis in the cell is
A:--12 kcal/mol
B:--7.3 kcal/mol
C:--14 kcal/mol
D:-18 kcal/mol
Ans: A
62:-Who is the founder of Celera genomics ?
A:-Melvin Calvin
B:-Alec Jeffrey
C:-Craig Venter
D:-James Watson
Ans: C
63:-Which among the following is a plant systematic journal published from India ?
A:-Cell
B:-Taxon
C:-Candollea
D:-Rheedea
Ans: D
64:-How many conformational changes occurs to ribosomes, coupled with GTP hydrolysis during each cycle of chain elongation in translation ?
A:-Zero
B:-One
C:-Two
D:-Three
Ans: C
65:-Which of the following is not semelparous ?
A:-Annona
B:-Bamboo
C:-Corypha
D:-Cicada
Ans: A
66:-The evolution of one population in response to the evolution of another population and vice-verse is called
A:-Convergent evolution
B:-Co evolution
C:-Divergent evolution
D:-Parallel evolution
Ans: B
67:-Intestinal gas is the product of ____________
A:-Undigested meat
B:-Vitamin fermentation
C:-Intestinal bacteria
D:-Intestinal villi
Ans: C
68:-Which of the following animals has no need for gall bladder ?
A:-Human
B:-Dog
C:-Lion
D:-Horse
Ans: D
69:-Osteomalasia is a disease condition caused by the deficiency of _____________
A:-Isoleucine
B:-Vitamin D
C:-Methionine
D:-Vitamin C
Ans: B
70:-Breathing rate in mammals is controlled by a part of the brain called the _________
A:-Hypothalamus
B:-Thalamus
C:-Medulla oblongata
D:-Cerebellum
Ans: C
71. The living content of cell is called Protoplasm. It is composed of :
(A) Cytoplasm only (B) Cytoplasm and Nucleoplasm
(C) Nucleoplasm only (D) Cytoplasm, Nucleoplasm and other organelles
Ans: B
72. Entomology is the science that studies __________.
(A) Related to plants
(B) Behaviour of human beings
(C) Insects
(D) None of these
Ans: C
73. Excessive consumption of alcoholic drinks causes damage to __________.
(A) Heart (B) Kidney (C) Liver (D) Lungs
Ans: C
(A) Related to plants
(B) Behaviour of human beings
(C) Insects
(D) None of these
Ans: C
73. Excessive consumption of alcoholic drinks causes damage to __________.
(A) Heart (B) Kidney (C) Liver (D) Lungs
Ans: C
74. Root pressure develops due to :
(1) Increase in transpiration
(2) Active absorption
(3) Low osmotic potential in soil
(4) Passive absorption
Ans: 2
75. Which one is a wrong statement?
(1) Brown algae have chlorophyll a and c, and fucoxanthin
(2) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms
(3) Mucor has biflagellate zoospores
(4) Haploid endosperm is typicaI feature of gymnosperms
Ans: 3
76. Which of the following structures is not found in a prokaryotic cell ?
(1) Plasma membrane
(2) Nuclear envelope
(3) Ribosome
(4) Mesosome
Ans: 2
77. Which one of the following animals has two separate circulatory pathways?
(1) Shark
(2) Frog
(3) Lizard
(4) Whale
Ans: 4
(1) Increase in transpiration
(2) Active absorption
(3) Low osmotic potential in soil
(4) Passive absorption
Ans: 2
75. Which one is a wrong statement?
(1) Brown algae have chlorophyll a and c, and fucoxanthin
(2) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms
(3) Mucor has biflagellate zoospores
(4) Haploid endosperm is typicaI feature of gymnosperms
Ans: 3
76. Which of the following structures is not found in a prokaryotic cell ?
(1) Plasma membrane
(2) Nuclear envelope
(3) Ribosome
(4) Mesosome
Ans: 2
77. Which one of the following animals has two separate circulatory pathways?
(1) Shark
(2) Frog
(3) Lizard
(4) Whale
Ans: 4
78. Most animals that live in deep oceanic waters are
(1) detritivores
(2) primary consumers
(3) secondary consumers
(4) tertiary consumers
Ans: 1
79. An association of individuals of different species living in the same habitat and having functional interactions is :
(1) Population (2) Ecological niche
(3) Biotic community (4) Ecosystem
Ans: 3
80. The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction ?
(1) Magnesium and Chlorine
(2) Manganese and Chlorine
(3) Manganese and Potassium
(4) Magnesium and Molybdenum
Ans: 2
81. Axile placentation is present in
(1) Argemone
(2) Dianthus
(3) Lemon
(4) Pea
Ans: 3
(1) detritivores
(2) primary consumers
(3) secondary consumers
(4) tertiary consumers
Ans: 1
79. An association of individuals of different species living in the same habitat and having functional interactions is :
(1) Population (2) Ecological niche
(3) Biotic community (4) Ecosystem
Ans: 3
80. The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction ?
(1) Magnesium and Chlorine
(2) Manganese and Chlorine
(3) Manganese and Potassium
(4) Magnesium and Molybdenum
Ans: 2
81. Axile placentation is present in
(1) Argemone
(2) Dianthus
(3) Lemon
(4) Pea
Ans: 3
82. The world's highly prized wool yielding 'Pashmina' breed is :
1) sheep 2) goat 3) goat-sheep cross 4) Kashmir sheep-Afghan sheep cross
Ans: 2
83. Grey crescent is the area :
1) at the point of entry of sperm into ovum 2) just opposite to the site of entry of sperm into ovum
3) at the animal pole 4) at the vegetal pole
Ans: 2
84. Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because :
1) four carbon acids are the primary initial CO2 fixation products
2) the primary fixation of CO2 is mediated via PEP carboxylase
3) effective pumping of CO2 into bundle sheath cells
4) RUBISCO in C4 plants has higher affinity for CO2
Ans: 2
85. At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell ?
1) During entire prophase 2) During telophase 3) During S-phase 4) During G2 stage of prophase
Ans: 3
86. There exists a close association between the alga and the fungus within a lichen. The fungus :
1) fixes the atmospheric nitrogen for the alga
2) provides protection, anchorage and absorption for the alga
3) provides food for the alga
4) releases oxygen for the alga
Ans: 2
87. For retting of jute the fermenting microbe used is :
1) Helicobactor pylori 2) Methophilic bacteria 3) Streptococcus lactin 4) Butyric acid bacteria
Ans: 4
88. A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution ?
1) Yellow 2) Green 3) Blue 4) Red
Ans: 3
89. The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is :
1) 20 mm Hg 2) 75 mm Hg 3) 30 mm Hg 4) 50 mm Hg
Ans: 1
90. At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation ?
1) 66° North and South 2) 22(1/2)° North and South
3) 40° North and South 4) 42(1/2)° North and South
Ans: 3
91. A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none of the daughters are affected. Which of the following mode of inheritance do you suggest for this disease ?
1) Autosomal dominant
2) Sex-linked dominant
3) Sex-limited recessive
4) Sex-linked recessive
Ans: 4
92. In Ornithine cycle, which of the following wastes are removed from the blood ?
1) Urea and urine 2) Ammonia and urea 3) CO2 and ammonia 4) CO2 and urea
Ans: 3
93. Telomerase is an enzyme which is a :
1) repetitive DNA 2) RNA 3) simple protein 4) ribonucleoprotein
Ans: 4
94. During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called ?
1) CAAT box 2) GGTT box 3) AAAT box 4) TATA box
Ans: 4
95. Centromere is required for :
1) transcription 2) crossing over 3) cytoplasmic cleavage 4) movement of chromosomes towards poles
Ans: 4
96. Damage to thymus in a child may lead to :
1) a reduction in haemoglobin content of blood 2) a reduction in stem cell production
3) loss of antibody mediated immunity 4) loss of cell mediated immunity
Ans: 4
97. Prolonged liberal irrigation of agricultural fields is likely to create the problem of :
1) acidity 2) aridity 3) metal toxicity 4) salinity
Ans: 4
98. Chlorophyll in chloroplasts is located in :
1) grana 2) pyrenoid
3) stroma 4) both (1) and (3)
Ans: 1
99. Three crops that contribute maximum to global food grain production are :
1) wheat, rice and maize 2) wheat, maize and sorghum 3) rice, maize and sorghum 4) wheat, rice and barley
Ans: 1
100. Genes for cytoplasmic male sterility in plants are generally located in :
1) mitochondrial genome 2) cytosol 3) chloroplast genome 4) nuclear genome
Ans: 1
1) sheep 2) goat 3) goat-sheep cross 4) Kashmir sheep-Afghan sheep cross
Ans: 2
83. Grey crescent is the area :
1) at the point of entry of sperm into ovum 2) just opposite to the site of entry of sperm into ovum
3) at the animal pole 4) at the vegetal pole
Ans: 2
84. Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because :
1) four carbon acids are the primary initial CO2 fixation products
2) the primary fixation of CO2 is mediated via PEP carboxylase
3) effective pumping of CO2 into bundle sheath cells
4) RUBISCO in C4 plants has higher affinity for CO2
Ans: 2
85. At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell ?
1) During entire prophase 2) During telophase 3) During S-phase 4) During G2 stage of prophase
Ans: 3
86. There exists a close association between the alga and the fungus within a lichen. The fungus :
1) fixes the atmospheric nitrogen for the alga
2) provides protection, anchorage and absorption for the alga
3) provides food for the alga
4) releases oxygen for the alga
Ans: 2
87. For retting of jute the fermenting microbe used is :
1) Helicobactor pylori 2) Methophilic bacteria 3) Streptococcus lactin 4) Butyric acid bacteria
Ans: 4
88. A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution ?
1) Yellow 2) Green 3) Blue 4) Red
Ans: 3
89. The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is :
1) 20 mm Hg 2) 75 mm Hg 3) 30 mm Hg 4) 50 mm Hg
Ans: 1
90. At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation ?
1) 66° North and South 2) 22(1/2)° North and South
3) 40° North and South 4) 42(1/2)° North and South
Ans: 3
91. A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none of the daughters are affected. Which of the following mode of inheritance do you suggest for this disease ?
1) Autosomal dominant
2) Sex-linked dominant
3) Sex-limited recessive
4) Sex-linked recessive
Ans: 4
92. In Ornithine cycle, which of the following wastes are removed from the blood ?
1) Urea and urine 2) Ammonia and urea 3) CO2 and ammonia 4) CO2 and urea
Ans: 3
93. Telomerase is an enzyme which is a :
1) repetitive DNA 2) RNA 3) simple protein 4) ribonucleoprotein
Ans: 4
94. During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called ?
1) CAAT box 2) GGTT box 3) AAAT box 4) TATA box
Ans: 4
95. Centromere is required for :
1) transcription 2) crossing over 3) cytoplasmic cleavage 4) movement of chromosomes towards poles
Ans: 4
96. Damage to thymus in a child may lead to :
1) a reduction in haemoglobin content of blood 2) a reduction in stem cell production
3) loss of antibody mediated immunity 4) loss of cell mediated immunity
Ans: 4
97. Prolonged liberal irrigation of agricultural fields is likely to create the problem of :
1) acidity 2) aridity 3) metal toxicity 4) salinity
Ans: 4
98. Chlorophyll in chloroplasts is located in :
1) grana 2) pyrenoid
3) stroma 4) both (1) and (3)
Ans: 1
99. Three crops that contribute maximum to global food grain production are :
1) wheat, rice and maize 2) wheat, maize and sorghum 3) rice, maize and sorghum 4) wheat, rice and barley
Ans: 1
100. Genes for cytoplasmic male sterility in plants are generally located in :
1) mitochondrial genome 2) cytosol 3) chloroplast genome 4) nuclear genome
Ans: 1