• icononelinerinfo@gmail.com

NCERT Solutions for Class 10 Science Ch 8 How Do Organisms Reproduce



Q 1. Name the future root in seed?
Ans. Plumule.
Q 2. What is colour of pollen grains in flower?
Ans. Yellowish.
Q 3. Name the methods of contraceptive?
Ans. Copper-T, Oral pill and Condom.
Q 4. In females reproductive system, germ cell ad egg are made by?
Ans. Ovaries.

Q 5. Name the parts of male reproductive system?
Ans. 1.Testes and vas deferens
2.Prostate gland
3.Penis and seminal vesicles.
Q 6. Why pimples comes at the teen age?
Ans. Because of more sweating.
Q 7. Hydra reproductive system is?
Ans. Budding.
Q 8. Which contains germ cells in flowers reproductive system?
Ans. Stamens and pistils.
Q 9. Kala- Azar is caused due to?
Ans. Leishmania.
Q 10. Main part of male reproductive system?
Ans. Testis.
Q 11. Name the main part of female reproductive system?
Ans. Ovaries.
Q 12. Asexual reproduction takes places through budding in?
Ans. Yeast.

Q 13. How many days does Menstruation usually lasts in females body?
Ans. 2 to 8 days.
Q 14. Full form of DNA?
Ans. Deoxyribo Nucleic Acid.
Q 15. Plasmodium creates new individual through?
Ans. Multiple fission.
Q 16. Define cross pollination?
Ans. Transfer of pollen from the stamen to the stigma in other flowers.
Q 17. Define self pollination?
Ans. Transfer of pollen from the stamen to the stigma in the same flower.
Q 18. Name the parts of female reproductive system?
Ans. 1. Ovary and uterus
2.Oviduct or fallopian tube
3.Cervix and vagina.
Q 19. Which part of male reproductive system is blocked during the process of vasectomy?
Ans. Vas deferens.
Q 20. Sexually transmitted diseases can be prevented by using a covering called?
Ans. Condom.