MCAT 2011 Biology
Note : Answers is at Bottom Of Post
1) when
chromosomes uncoil, the nucleoli are reformed and two nuclei are the two poles
of the cell; stage is known as
A. prophase
B. metaphase
C. telophase
D. anaphase
2) Mental retardation, short stature, broad face and squint eyes are the symptoms of
A. Bown's syndrome
B. Klinefelter's syndrome
C. Turner's syndrome
D. XYZ syndrome
3) Chiasmata formation takes place during the process which is known as
A. crossing over
B. attachment
C. pairing
D. leptotene
4) healing of a wound and repair is the phenomenon which takes place by the process of
A. mitosis
B. meiosis
C. cell growth
D. mitosis and meiosis
5) Which one of the following is the main cause of cancer?
A. mutation
B. controlled cell division
C. regulated mitosis
D. haploid division
6) The covalent bond formed between two monosaccharides is called
A. glycosidic bond
B. hydrogen bond
C. peptide bond
D. disulphide bond
7) The bond formed between glucose and fructose to form sucrose is
A. 1,4 glycosidic linkage
B. 1,2 glycosidic linkage
C. 1,6 glycosidic linkage
D. 1,3 glycosidic linkage
8) In an amino acid in which the R-group is hydrogen, the amino acid will be
A. Alanine
B. Glycine
C. Leucine
D. Valine
9) Fatty acid are the organic compounds containing hydrogen, oxygen and one of the following are
A. carboxylic
B. Amino
C. acyl
D. sucrose
10) Liposomes are used in gene therapy against
A. hypercholesterolemia
B. coronary artery angioplasty
C. cystic fibrosis
D.severe combined immunodeficiency syndrome
11) Genetically engineered cells are introduced into bone marrow cells in the treatment of
A. hypercholesterolemia
B. severe combined immunodeficiency syndrome
C. cystic fibrosis
D. coronary artery angioplasty
12) Which one of the following is depleting and causing thinning if ozone
A. chlorine
B. bromine
C. chlorofluorocarbon
D. carbon
13) The typical environment of a particular organism population community is called
A. niche
B. ecosystem
C. habitat
D. biosphere
14) Excessive enrichment of water with nutrients by human activity by which large amount of living organic matter grows is called
A. archeotrophication
B. eutrophication
C. enrichment
D. low trophication
15) In an ecosystem, mycorrihza is an example of
A. symbiosis
B. predation
C. commensalism
D. parasitism
16) Successive stages of eating and being eaten by which recycling of materials and flow of energy takes place is called
A. food chain
B. food web
C. trophic level
D. food link
17) The sex of individuals of next generation always depends on one of the parent, who is
A. Heterogametic
B. Homogametic
C. Isogametic
D. Isomorphic
18) Which of the following will be haemophilic?
a) X(H)X(h)
b) X(H)X(H)
c) X(h)Y
d) X(H)Y
19) Which of the following is an example of X-linked recessive trait in humans?
A. Hypophosphatemic rickets
B. Colour blindness
C. Baldness
D. Beard growth
20) Which trait in human is an example of multiple alleles?
A. Eye colour
B. skin colour
C. ABO- blood group
D. Rh-blood group
21) When a gene pair at one locus interacts with another gene at another locus, the interaction is called
A. Dominance
B. Multiple allelism
C. Pleiotropy
D. Epistasis
22) The combination of a pentose sugar with a base result in a compound known as
A. Nucleotide
B. Nucleoside
C. Nucleic acid
D. Polynucleotide
23) An enzyme and substrate reacts through a special feature or site present in enzyme known as
A. Building site
B. Active site
C. Catalyst site
D. Inhibition site
24) The non-protein part of enzyme which is covalently and permanently bonded is called
A. Prosthetic group
B. co-factor
C. co-enzyme
D. Activator
25) one of the pyrimidine bases is absent in DNA
a) uracil
b) thymine
c) cytosine
d) adenine
26) enzymes increase the rate of reaction by
A. increasing temperature
B. decreasing pH
C. decreasing activation energy
D. increasing activation energy
27) Which one of the following diseases caused by enveloped RNA virus and spread in epidemic form?
A. Influenza
B. Herpes simplex
C. polio
D. small pox
28) The structure which contains the gene for drug resistance bacteria are
A. Nucleoids
B. Mesosomes
C. Chromatin bodies
D. Plasmids
29) Antibiotics that kill microbes immediately are called
A. Microbistatic
B. Microbicidal
C. Biostatic
D. Chemotherapeatic
30) Which one of the following fungi cause vaginal thrush?
A. Candida
B. Aspergillus
C. tortula
D. Penicillium
31) Body cavity of round worms is called
A. Pseudocoelom
B. Coelom
C. Acoelom
D. Enteron
32) Fasciola is endoparasite of
A. Colon
B. Liver
C. Small intestine
D. Bile duct
33) Trypanosoma is transmitted in human beings by
A. Plasmodium
B. Anopheles
C. House fly
D. Tse-tse fly
34) The nervous system develops from which of the following layer during embroynic development of animals?
A. Mesoderm
B. Ectoderm
C. Endoderm
D. Mesoderm and endoderm
35) Endosperm is formed as a result of
A. pollination
B. self-pollination
C. double fertilization
D. cross pollination
36) Which of the following enzyme is released in an inactive form?
A. Amylase
B. Lipase
C. Enterokinase
D. Pepsin
37)
Which of the following hormones stimulate the secretion of pancreatic juice from pancreas in liver?
A. Secretin
B. Pepsinogen
C. Gastrin
D. Both gastrin and secretin
38) in large intestine vitamin k is formed by the activity of
A. symbiotic bacteria
B. obligate parasite
C. papasitic bacteria
D. Facultative bacteria
39) During swallowing of food which structure close nasal opening?
A. Hard palate
B. Soft palate
C. Epiglottis
D. Larynx
40) The right atrium of the heart usually receives the
A. Deoxygenated blood
B. Oxygenated blood
C. Filtered blood
D. Non-filtered blood
41) The largest lymph duct called thoracic lymph duct drains into
A. Subclavian vein
B. Renal vein
C. Pulmonary vein
D. Hepatic portal vein
42) Which protein plays a major role in maintaining osmotic balance ?
A. Albumin
B. Globulin
C. Fibrinogen
D. Prothrombin
43) The type of agranulocytes which stays in blood for a few hours and then enters tissues and become macrophages is
A. Lymphocytes
B. Monocytes
C. Eosinophil
D. Basophils
44) Reabsorption of water by counter current multiplier mechanism takes place at
A. Proximal tubule
B. Distal tubule
C. Collecting duct
D. Loop of henle
45) Antidiuretic hormone helps in reabsorption of water by changing permeability of
A. Proximal tubule
B. Distal tubule
C. Collecting duct
D. Loop of henle
46) During peritoneal dialysis, the dialysis fluid is introduced into which part of human body ?
A. Liver
B. abdomen
C. Kidney
D. Pancreas
47) Aldosterone helps in conservation or active absorption of
A. Sodium
B. Calcium
C. Potassium
D. Bicarbonate ions
48) Maximum reabsorption takes place in which part of the nephron ?
A. Distal tubule
B. Villi
C. Cortical tissue
D. Proximal tubule
49) Over-activity of sympathetic nervous system causes
A. Disturbance of vision
B. Constipation
C. Decrease in blood pressure
D. Increase in heart rate
50) Which structures respond when they are stimulated by impulse coming through motor neuron?
A. Receptors
B. Responses
C. Effectors
D. Transduction
51) Respiratory center is located in
A. Cerebrum
B. Cerebellum
C. Medulla
D. Hypothalamus
52) A neurological condition characterized by involuntary tremors , diminished motor activity and rigidity is called
a) epilepsy
b) Parkinson’s disease
c) Alzheimer’s disease
d) Cerebellar tumours
53) A type of cells in human testes which produce testosterone is called
A. interstitial cells
B. germ cells
C. sertoli cells
D. spermatocytes
54) Breakdown of endometrium during mensuration is due to
A. increase in level of LH
B. decrease in level of progesterone
C. increase in level of progesterone
D. increase in level of oestrogen
55) Oogonia are produced in the germ cells
a) both uterus and cervix
b) cervix
c) uterus
d) ovary
56) Which of the following diseases can be prevented through vaccination ?
A. AIDS and cancer
B. Malaria and AIDS
C. Typhoid and cancer
D. Measles and mumps
57) Newly produced cells/ individuals which are identical to each other are known as
A. Genetically modified
B. Transgenic animals
C. Transgenic bacterias
D. Clones
58) Which of the following is a blood borne disease ?
A. Hepatitis
B. Cholora
C. Influenza
D. candidiasis
59) The control of pest has traditionally meant regulation by natural enemies, predators, parasites and pathogens; this type of control is known as
A. Cultural control
B. Biological control
C. Pesticides control
D. Insecticides control
60) Which of the following organelles is concerned with the cell scretion
A. Ribosomes
B. Golgi apparatus
C. Lysosomes
D. Mitochondria
61) Which of the following contains peptidoglycan cell wall ?
A. Penicillium
B. Bacterium
C. Adiantum
D. Polytrychum
62) The inner membrane of mitochondria is folded to form finger like structure called
A. Cristea
B. Vesicle
C. matrix
D. cisternae
63) the interior of the chloroplast is divided into heterogeneous structure, embedded in the matrix, known as
A. Grana
B. Stroma
C. Thylakoids
D. Cisternae
64) In which phase of the cell division the metabolic activity of the nucleus is high ?
A. Mitosis
B. Interphase
C. Meiosis
D. Cell cycle
65) Luteinizing hormone triggers
A. Cessation of oogenesis
B. Breakdown of oocyte
C. Ovulation
D. Development of zygote
66) Syphilis is a sexually transmitted disease which is caused by
A. HIV / AIDS
B. Pseudomonas pyogenes
C. Treponema pallidum
D. Neisseria
67) Muscles is made up of many cells which are reffered to as
A. Myofilaments
B. Myofibrils
C. Sarcolemma
D. Muscles fiber
68) The length of myofibril from one Z-band to the next is known as
A. Sarcomere
B. Sarcolemma
C. Sarcoplasm
D. Muscle fiber
69) The calcium ions released during a muscle fiber contraction attach with
A. Myosin
B. Actin
C. Tropomyosin
D. Troponin
70) A muscle condition resulting from the accumulation of lactic acid and ionic imbalance is called
A. Tetany
B. Muscle fatigue
C. Cramp
D. Tetanus
71) The pigment which stores oxygen in muscles is
A. Hemoglobin
B. Myoglobin
C. Myosin
D. Actinomyosin
72) Neurosecretory cells are present in which part of brain
A. Hypothalamus
B. Midbrain
C. PONS
D. Cerebellum
73) which of the following is the function of glucagon hormone
a) glycogen à glucose
b) glucose à glycogen
c) glucose à lipids
d) glucose à proteins
74) Addison's disease is caused due to destruction of
A. Adrenal cortex
B. Pituitary adrenal axis
C. Adrenal medulla
D. Hypothalamus
75) Which group of hormone is made up of amino acids and their derivatives ?
A. Vasopressin and antidiuretic hormone
B. Epinephrine and non-epinephrine
C. Oestrogen and testosterone
D. Insulin and glucagon
76) Thymus gland is involved in maturation of
A. Platelets
B. B-lymphocytes
C. Eosinophils
D. T-lymphocytes
77) In passive immunity which of the following component are injected into blood
A. Antigens
B. Immunogens
C. Serum
D. Immunoglobulins
78) Mucous membranes are part of body defence system and they offer
A. Physical barries
B. MEchanical barriers
C. Chemical barriers
D. Biological barriers
79) Immediate protection is obtained from
A. Passive immunity
B. Active immunity
C. Vaccination
D. Natural active immunity
80) the immunity in which T-cells recognize the antigens or microorganisms is known as:
a)tissue grafting
b)phagocytosis
c)cell mediated immunity/ response
d)hormonal immunity / response
A. prophase
B. metaphase
C. telophase
D. anaphase
2) Mental retardation, short stature, broad face and squint eyes are the symptoms of
A. Bown's syndrome
B. Klinefelter's syndrome
C. Turner's syndrome
D. XYZ syndrome
3) Chiasmata formation takes place during the process which is known as
A. crossing over
B. attachment
C. pairing
D. leptotene
4) healing of a wound and repair is the phenomenon which takes place by the process of
A. mitosis
B. meiosis
C. cell growth
D. mitosis and meiosis
5) Which one of the following is the main cause of cancer?
A. mutation
B. controlled cell division
C. regulated mitosis
D. haploid division
6) The covalent bond formed between two monosaccharides is called
A. glycosidic bond
B. hydrogen bond
C. peptide bond
D. disulphide bond
7) The bond formed between glucose and fructose to form sucrose is
A. 1,4 glycosidic linkage
B. 1,2 glycosidic linkage
C. 1,6 glycosidic linkage
D. 1,3 glycosidic linkage
8) In an amino acid in which the R-group is hydrogen, the amino acid will be
A. Alanine
B. Glycine
C. Leucine
D. Valine
9) Fatty acid are the organic compounds containing hydrogen, oxygen and one of the following are
A. carboxylic
B. Amino
C. acyl
D. sucrose
10) Liposomes are used in gene therapy against
A. hypercholesterolemia
B. coronary artery angioplasty
C. cystic fibrosis
D.severe combined immunodeficiency syndrome
11) Genetically engineered cells are introduced into bone marrow cells in the treatment of
A. hypercholesterolemia
B. severe combined immunodeficiency syndrome
C. cystic fibrosis
D. coronary artery angioplasty
12) Which one of the following is depleting and causing thinning if ozone
A. chlorine
B. bromine
C. chlorofluorocarbon
D. carbon
13) The typical environment of a particular organism population community is called
A. niche
B. ecosystem
C. habitat
D. biosphere
14) Excessive enrichment of water with nutrients by human activity by which large amount of living organic matter grows is called
A. archeotrophication
B. eutrophication
C. enrichment
D. low trophication
15) In an ecosystem, mycorrihza is an example of
A. symbiosis
B. predation
C. commensalism
D. parasitism
16) Successive stages of eating and being eaten by which recycling of materials and flow of energy takes place is called
A. food chain
B. food web
C. trophic level
D. food link
17) The sex of individuals of next generation always depends on one of the parent, who is
A. Heterogametic
B. Homogametic
C. Isogametic
D. Isomorphic
18) Which of the following will be haemophilic?
a) X(H)X(h)
b) X(H)X(H)
c) X(h)Y
d) X(H)Y
19) Which of the following is an example of X-linked recessive trait in humans?
A. Hypophosphatemic rickets
B. Colour blindness
C. Baldness
D. Beard growth
20) Which trait in human is an example of multiple alleles?
A. Eye colour
B. skin colour
C. ABO- blood group
D. Rh-blood group
21) When a gene pair at one locus interacts with another gene at another locus, the interaction is called
A. Dominance
B. Multiple allelism
C. Pleiotropy
D. Epistasis
22) The combination of a pentose sugar with a base result in a compound known as
A. Nucleotide
B. Nucleoside
C. Nucleic acid
D. Polynucleotide
23) An enzyme and substrate reacts through a special feature or site present in enzyme known as
A. Building site
B. Active site
C. Catalyst site
D. Inhibition site
24) The non-protein part of enzyme which is covalently and permanently bonded is called
A. Prosthetic group
B. co-factor
C. co-enzyme
D. Activator
25) one of the pyrimidine bases is absent in DNA
a) uracil
b) thymine
c) cytosine
d) adenine
26) enzymes increase the rate of reaction by
A. increasing temperature
B. decreasing pH
C. decreasing activation energy
D. increasing activation energy
27) Which one of the following diseases caused by enveloped RNA virus and spread in epidemic form?
A. Influenza
B. Herpes simplex
C. polio
D. small pox
28) The structure which contains the gene for drug resistance bacteria are
A. Nucleoids
B. Mesosomes
C. Chromatin bodies
D. Plasmids
29) Antibiotics that kill microbes immediately are called
A. Microbistatic
B. Microbicidal
C. Biostatic
D. Chemotherapeatic
30) Which one of the following fungi cause vaginal thrush?
A. Candida
B. Aspergillus
C. tortula
D. Penicillium
31) Body cavity of round worms is called
A. Pseudocoelom
B. Coelom
C. Acoelom
D. Enteron
32) Fasciola is endoparasite of
A. Colon
B. Liver
C. Small intestine
D. Bile duct
33) Trypanosoma is transmitted in human beings by
A. Plasmodium
B. Anopheles
C. House fly
D. Tse-tse fly
34) The nervous system develops from which of the following layer during embroynic development of animals?
A. Mesoderm
B. Ectoderm
C. Endoderm
D. Mesoderm and endoderm
35) Endosperm is formed as a result of
A. pollination
B. self-pollination
C. double fertilization
D. cross pollination
36) Which of the following enzyme is released in an inactive form?
A. Amylase
B. Lipase
C. Enterokinase
D. Pepsin
37)
Which of the following hormones stimulate the secretion of pancreatic juice from pancreas in liver?
A. Secretin
B. Pepsinogen
C. Gastrin
D. Both gastrin and secretin
38) in large intestine vitamin k is formed by the activity of
A. symbiotic bacteria
B. obligate parasite
C. papasitic bacteria
D. Facultative bacteria
39) During swallowing of food which structure close nasal opening?
A. Hard palate
B. Soft palate
C. Epiglottis
D. Larynx
40) The right atrium of the heart usually receives the
A. Deoxygenated blood
B. Oxygenated blood
C. Filtered blood
D. Non-filtered blood
41) The largest lymph duct called thoracic lymph duct drains into
A. Subclavian vein
B. Renal vein
C. Pulmonary vein
D. Hepatic portal vein
42) Which protein plays a major role in maintaining osmotic balance ?
A. Albumin
B. Globulin
C. Fibrinogen
D. Prothrombin
43) The type of agranulocytes which stays in blood for a few hours and then enters tissues and become macrophages is
A. Lymphocytes
B. Monocytes
C. Eosinophil
D. Basophils
44) Reabsorption of water by counter current multiplier mechanism takes place at
A. Proximal tubule
B. Distal tubule
C. Collecting duct
D. Loop of henle
45) Antidiuretic hormone helps in reabsorption of water by changing permeability of
A. Proximal tubule
B. Distal tubule
C. Collecting duct
D. Loop of henle
46) During peritoneal dialysis, the dialysis fluid is introduced into which part of human body ?
A. Liver
B. abdomen
C. Kidney
D. Pancreas
47) Aldosterone helps in conservation or active absorption of
A. Sodium
B. Calcium
C. Potassium
D. Bicarbonate ions
48) Maximum reabsorption takes place in which part of the nephron ?
A. Distal tubule
B. Villi
C. Cortical tissue
D. Proximal tubule
49) Over-activity of sympathetic nervous system causes
A. Disturbance of vision
B. Constipation
C. Decrease in blood pressure
D. Increase in heart rate
50) Which structures respond when they are stimulated by impulse coming through motor neuron?
A. Receptors
B. Responses
C. Effectors
D. Transduction
51) Respiratory center is located in
A. Cerebrum
B. Cerebellum
C. Medulla
D. Hypothalamus
52) A neurological condition characterized by involuntary tremors , diminished motor activity and rigidity is called
a) epilepsy
b) Parkinson’s disease
c) Alzheimer’s disease
d) Cerebellar tumours
53) A type of cells in human testes which produce testosterone is called
A. interstitial cells
B. germ cells
C. sertoli cells
D. spermatocytes
54) Breakdown of endometrium during mensuration is due to
A. increase in level of LH
B. decrease in level of progesterone
C. increase in level of progesterone
D. increase in level of oestrogen
55) Oogonia are produced in the germ cells
a) both uterus and cervix
b) cervix
c) uterus
d) ovary
56) Which of the following diseases can be prevented through vaccination ?
A. AIDS and cancer
B. Malaria and AIDS
C. Typhoid and cancer
D. Measles and mumps
57) Newly produced cells/ individuals which are identical to each other are known as
A. Genetically modified
B. Transgenic animals
C. Transgenic bacterias
D. Clones
58) Which of the following is a blood borne disease ?
A. Hepatitis
B. Cholora
C. Influenza
D. candidiasis
59) The control of pest has traditionally meant regulation by natural enemies, predators, parasites and pathogens; this type of control is known as
A. Cultural control
B. Biological control
C. Pesticides control
D. Insecticides control
60) Which of the following organelles is concerned with the cell scretion
A. Ribosomes
B. Golgi apparatus
C. Lysosomes
D. Mitochondria
61) Which of the following contains peptidoglycan cell wall ?
A. Penicillium
B. Bacterium
C. Adiantum
D. Polytrychum
62) The inner membrane of mitochondria is folded to form finger like structure called
A. Cristea
B. Vesicle
C. matrix
D. cisternae
63) the interior of the chloroplast is divided into heterogeneous structure, embedded in the matrix, known as
A. Grana
B. Stroma
C. Thylakoids
D. Cisternae
64) In which phase of the cell division the metabolic activity of the nucleus is high ?
A. Mitosis
B. Interphase
C. Meiosis
D. Cell cycle
65) Luteinizing hormone triggers
A. Cessation of oogenesis
B. Breakdown of oocyte
C. Ovulation
D. Development of zygote
66) Syphilis is a sexually transmitted disease which is caused by
A. HIV / AIDS
B. Pseudomonas pyogenes
C. Treponema pallidum
D. Neisseria
67) Muscles is made up of many cells which are reffered to as
A. Myofilaments
B. Myofibrils
C. Sarcolemma
D. Muscles fiber
68) The length of myofibril from one Z-band to the next is known as
A. Sarcomere
B. Sarcolemma
C. Sarcoplasm
D. Muscle fiber
69) The calcium ions released during a muscle fiber contraction attach with
A. Myosin
B. Actin
C. Tropomyosin
D. Troponin
70) A muscle condition resulting from the accumulation of lactic acid and ionic imbalance is called
A. Tetany
B. Muscle fatigue
C. Cramp
D. Tetanus
71) The pigment which stores oxygen in muscles is
A. Hemoglobin
B. Myoglobin
C. Myosin
D. Actinomyosin
72) Neurosecretory cells are present in which part of brain
A. Hypothalamus
B. Midbrain
C. PONS
D. Cerebellum
73) which of the following is the function of glucagon hormone
a) glycogen à glucose
b) glucose à glycogen
c) glucose à lipids
d) glucose à proteins
74) Addison's disease is caused due to destruction of
A. Adrenal cortex
B. Pituitary adrenal axis
C. Adrenal medulla
D. Hypothalamus
75) Which group of hormone is made up of amino acids and their derivatives ?
A. Vasopressin and antidiuretic hormone
B. Epinephrine and non-epinephrine
C. Oestrogen and testosterone
D. Insulin and glucagon
76) Thymus gland is involved in maturation of
A. Platelets
B. B-lymphocytes
C. Eosinophils
D. T-lymphocytes
77) In passive immunity which of the following component are injected into blood
A. Antigens
B. Immunogens
C. Serum
D. Immunoglobulins
78) Mucous membranes are part of body defence system and they offer
A. Physical barries
B. MEchanical barriers
C. Chemical barriers
D. Biological barriers
79) Immediate protection is obtained from
A. Passive immunity
B. Active immunity
C. Vaccination
D. Natural active immunity
80) the immunity in which T-cells recognize the antigens or microorganisms is known as:
a)tissue grafting
b)phagocytosis
c)cell mediated immunity/ response
d)hormonal immunity / response
81)oxidative
phosphorylation , synthesis of ATP in
the presence of oxygen occurs in:
A)all types of cells
B)all anaerobic cells
C)all primitive cells
D)all aerobic cells
82)glycolysis is the breakdown of glucose into two molecules of:
a)glycerate
b)lactic acid
c)pyruvate
d)succinic acid
A)all types of cells
B)all anaerobic cells
C)all primitive cells
D)all aerobic cells
82)glycolysis is the breakdown of glucose into two molecules of:
a)glycerate
b)lactic acid
c)pyruvate
d)succinic acid
83)before
entering into Kreb’s cycle , the pyruvate is first decarbox
ylated and oxidized into:
a)alpha ketoglutaric acid
b)citric acid
c)glyceric acid
d)acetic acid
ylated and oxidized into:
a)alpha ketoglutaric acid
b)citric acid
c)glyceric acid
d)acetic acid
84)
Some electron from the second primary
accepter may pass back to chlorophyll molecules by electron carrier
system , yielding ATP this
process is called
a)phosphorylation
b)photophosphorylation
c)non-cyclic phosphorylation
d) cyclic phosphorylation
85)Z-scheme is used for:
a) non-cyclic photophosphorylation
b) cyclic photophosphorylation
c)both cyclic and non-cyclic photophosphorylation
d)oxidative phosphorylation
86)the common vectors used in recombinant DNA technology are:
A)probes
B)palindromes
C)plasmids
D)prions
a)phosphorylation
b)photophosphorylation
c)non-cyclic phosphorylation
d) cyclic phosphorylation
85)Z-scheme is used for:
a) non-cyclic photophosphorylation
b) cyclic photophosphorylation
c)both cyclic and non-cyclic photophosphorylation
d)oxidative phosphorylation
86)the common vectors used in recombinant DNA technology are:
A)probes
B)palindromes
C)plasmids
D)prions
87)the
enzyme used to isolate gene from DNA is:
a)helicase
b)reverse transcriptase
c)restriction enzyme
d)DNA polymerase
a)helicase
b)reverse transcriptase
c)restriction enzyme
d)DNA polymerase
a)DNA polymerase i
b)Taq polymerase
c) DNA polymerase ii
d)RNA polymerase
Answers
1c
2a
3a
4a
5a
6a
7b
8b
9a
10c
11b
12c
13c
14b
15a
16a
17a
18c
19b
20c
21d
22b
23b
24a
25a
26c
27a
28d
29b
30a
31a
32d
33d
34b
35c
36d
37a
38a
38b
40a
41a
42a
43b
44d
45c
46b
47a
48d
49d
50c
51c
52b
52a
54b
55d
56d
57d
58a
59b
60b
61b
62a
63a
64b
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