Number of chromosomes present in secondary spermatocyte is
1. 22
2. 23
3. 24
4. 25

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 96%
From NCERT
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Choose incorrect statement?
1. Deuterostomes show radial and indeterminate cleavage
2. Deuterostomes show spiral and indeterminate cleavage
3. Protostomes show radial and determinate cleavage
4. Protostomes show spiral and indeterminate cleavage


 
Subtopic:  Embryonic Development till Gastrulation |
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Level of progesterone is highest:
1. Just before the ovulation
2. Just after the ovulation
3. 7 days after ovulation
4. During menstrual bleeding phase
Subtopic:  Menstrual Cycle: Luteal Phase |
From NCERT
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Which embryonic layer is responsible for gaseous exchange?
1. Amnion
2. Yolk sac
3. Chorion
4. All of the above
Subtopic:  Embryonic Development till Gastrulation |
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Length of fallopian tube in female is:
1. 40 cm
2. 30 cm
3. 12 cm
4. 15 cm
Subtopic:  Female Reproductive System-1 | Female Reproductive System-2 |
 79%
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The correct sequence is:
1. Zygote → Clevage → Morula → Blastula → Gastrula 
2. Clevage → Zygote → Morula → Blastula → Gastrula 
3. Zygote → Morula → Blastula → Clevage → Gastrula 
4. Zygote → Blastula → Morula → Clevage → Gastrula

 
Subtopic:  Embryonic Development till Gastrulation |
 78%
From NCERT
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What is the acrosomal reaction?
1. contact of sperms with eggs
2. Digestion of zona pellucida
3. Disintegration of acrosome
4. Contact of acrosome and nucleus of the egg
Subtopic:  Fertilization |
 61%
From NCERT
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Fimbriae are associated with which organ?
1. Falloplan tube
2. Uterus
3. Vagina
4. Ovary
Subtopic:  Female Reproductive System-1 | Female Reproductive System-2 |
 86%
From NCERT
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Formation of corpus luteum is induced by?
1. LH
2. Oestrogen
3. FSH
4. Progesterone
Subtopic:  Menstrual Cycle: Luteal Phase |
 58%
From NCERT
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The embryo at 16 celled stage is known as? 
1. morula 
2. gastrula 
3. blastula 
4. blastomere
Subtopic:  Embryonic Development till Gastrulation |
 74%
From NCERT
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