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प्रश्न
Choose the odd one in each of the following:
Sperm; implantation; fertilization; ovum; afterbirth
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उत्तर
Sperm
संबंधित प्रश्न
Name the following:
The accessory gland in human males whose secretion activates the sperms
State whether the following statement is true or false:
Gestation in humans is completed in about 380 days.
Name the following:
Organ where fertilization occurs.
The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
Mention two functions of the parts labelled '2' other than its endocrine functions.
Explain the Term Vas deferens.
How can plants and animals save themselves from extinction?
Give scientific reason.
The new individual produced by sexual reproduction always has the recombined genes of both the parents.
State whether the following statement is True or False. If false, correct the statement:
External fertilisation can occur both in water and on land.
Match the items in column I with those in column II and write down the matching pairs (some may not match).
| Column I | Column II | ||
| (a) | Acrosome | (i) | An embryo which looks like human baby. |
| (b) | Gestation | (ii) | Luteinizing hormone |
| (c) | Menopause | (iii) | Ovum producing cells. |
| (d) | Foetus | (iv) | Semen |
| (e) | Oogenesis | (v) | Spermatozoa |
| (f) | Ovulation | (vi) | Complete stoppage of menstrual cycle. |
| (vii) | Time taken by a fertilised egg till the delivery of baby. |
What is the diameter of the human ovum?
