Biology · Question 331
Germ cells in the ovary produce many?
- spermatogonia
- oogonia
- zygospores
- eggs
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Correct answer: B
oogonia
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Biology · Question 332
The gram positive bacteria appear which colour under gram staining?
- purple
- Red blood cells
- pink
- blue
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Correct answer: A
purple
Biology · Question 333
Excessive increase in temperature of medium causes the enzyme molecule to have which of the following changes?
- activate
- unaffected
- denature
- all of these
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Correct answer: C
denature
Biology · Question 334
In some cases, the blastomere can produce complete embryo the cleavage will be
- Spiral and determinate
- Spiral and indeterminate
- Radial and determinate
- Radial and indeterminate
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Correct answer: D
Radial and indeterminate
Biology · Question 335
Breathing is considered as a:
- Chemical process
- Biochemical process
- Mechanical process
- Both A and B
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Correct answer: C
Mechanical process
Biology · Question 336
The hormone that triggers the release of milk in lactating women is:
- Growth hormone
- Antidiuretic hormone
- Oxytocin
- Follicle stimulating hormone
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Correct answer: C
Oxytocin
Biology · Question 337
Lungs are spongy because of the presence of:
- alveoli
- trachea
- diaphragm
- bronchi
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Correct answer: A
alveoli
Biology · Question 338
The group of animals having a single celled body which performs all the vital activities of life are called:
- Protozoa
- Parazoa
- Metazoa
- Nanozoa
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Correct answer: A
Protozoa
Biology · Question 339
How much net gain of G3P is obtained after one calvin cycle?
- 3
- 6
- 2
- 1
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Correct answer: D
1
Biology · Question 340
Haemophilia is X-linked recessive. What is the probability that a daughter of a normal man and a carrier woman will have haemophilia?
- 0%
- 25%
- 50%
- 100%
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Correct answer: A
0%
Every daughter receives the father’s normal X chromosome. Although half may inherit the haemophilia allele from the carrier mother, none will have two affected alleles, so the probability of an affected daughter is 0%.