1. | Male copulatory organ used to transfer sperms into female reproductive tract is called |
a. | penis |
b. | testis |
c. | prepuce |
d. | rectum |
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Answer: (a).penis
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2. | Uterus opens into vagina through |
a. | ovary |
b. | oviduct |
c. | cervix |
d. | urethra |
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Answer: (c).cervix
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3. | Germinating pollen grain is a rich source of |
a. | cytokinin |
b. | gibberellin |
c. | auxin |
d. | rennin |
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Answer: (c).auxin
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4. | Placenta passes out through vagina |
a. | 10-20 minutes after birth |
b. | 10-15 minutes after birth |
c. | 10-30 minutes after birth |
d. | 10-45 minutes after birth |
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Answer: (d).10-45 minutes after birth
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5. | Identical gametes are also known as |
a. | heterogametes |
b. | isogametes |
c. | anisogamete |
d. | hypogametes |
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Answer: (b).isogametes
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6. | Vernalin hormone resembles |
a. | cytokinin |
b. | auxin |
c. | gibberellin |
d. | ethene |
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Answer: (c).gibberellin
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7. | Secondary spermatocytes and spermatids are formed by meiotic division in |
a. | primary spermatocytes |
b. | spermatogonia |
c. | primary oocytes |
d. | polar body |
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Answer: (a).primary spermatocytes
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8. | Vernalisation is induced by hormone |
a. | veriline |
b. | vermalin |
c. | vernalin |
d. | venralin |
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Answer: (c).vernalin
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9. | Twins which are produced asexually are |
a. | dizygotic twins |
b. | non-identical twins |
c. | identical twins |
d. | diembryonic twins |
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Answer: (c).identical twins
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10. | Multiple fission is a characteristic reproduction mechanism in |
a. | plant like protoctists |
b. | animal like protoctists |
c. | hydra |
d. | earthworm |
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Answer: (b).animal like protoctists
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