J S U N I L T U... CLASS 10TH Science (How do organism reproduce)

Science (How do organism reproduce)
CLASS 10TH
JSUNIL TUTORIAL
PANJABI COLONY GALI 01, SAMASTIPUR
ASSIGNMENT
Q. 1. Define reproductions?
Q. 2. What is the importance of DNA copying in reproduction?
Q. 3. Where is the male gamete formed in a flowering plant?
Q. 4. How many male gametes are present in one pollen-grain?
Q. 5. What is puberty?
Q. 6. What is gestation?
Q. 7. What is fission?
Q. 8. Where the anther contains sepal, ovules and pollen-grains?
Q. 9. Define vegetative propagation. Name its three methods of vegetative propagation used by the gardeners to
grow plants?
Q. 10. What are the advantages of vegetative propagation?
Q. 11. Why is dna copying an essential part of the process of reproduction?
Q. 12. How is the process of pollination different from fertilization?
Q. 13. What are changes seen in the girls at the time of puberty?
Q. 14. What are the different methods of contraception?
Q. 15. Distinguish between asexual reproduction and sexual reproduction?
Q. 16. Describe the menstrual cycle in female?
Q. 17. Why is variation beneficial to the species but not necessarily for the individual?
Q. 18. How does the embryo get nourishment inside the mother’s body?
Q. 19. What is the function performed by the testis in human beings?
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