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प्रश्न
Define the following:
Sexual reproduction
उत्तर
Sexual reproduction: It is the type of reproduction in which the offspring are formed after the fusion of gametes.
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संबंधित प्रश्न
List two example of each diseases caused due to (i) bacterial infection and (ii) viral infection. Which device or devices may be used to prevent the spread of such diseases.
Write the site of fertilization and the part where the zygote gets implanted in the human female.
Give scientific reasons: Mature erythrocytes in humans lack nucleus and mitochondria
What is gestation period? How much is the gestation period in humans?
Trace the path of sperms from where they are produced in human body to the exterior.
Name the following:
Two accessory glands in the male reproductive system.
Name the following:
Organ where implantation takes place.
Complete the following statement by choosing the correct alternative:
Sterilization in female is due to cutting off of ______.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Acrosome
(ii) Ovulation (iii) Sperm (iv) Menopause (v) Implantation (vi) Fertilization (vii) Contraception in males |
(a) Male gamete
(b) Oviduct (c) Uterus (d) Spermatozoa (e) Progesterone (f) Stoppage of the menstrual cycle (g) Sudden change in genes |
