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NCERT Solutions for Class 9 Science Ch 7 Diversity in Living Organisms



Q 1. Number of heart chambered does Fish have?
Ans. 2.
Q 2. Name the group of plants who bear naked seeds?
Ans. Gymnosperms.
Q 3. How many number of heart chambered does Aves have?
Ans. 4.
Q 4. Name the animal who never drink water in its entire life?
Ans. Rat Kangaroo.

Q 5. Name the author of the book" Systema Naturae"?
Ans. Carlous linnaeus.
Q 6. How many heart chambered does amphibians have?
Ans. 3.
Q 7. In how many groups animals are divided into?
Ans. 10.
Q 8. In how many groups plants are divided into?
Ans. 5.
Q 9. Name the group which animals have mucus glands in the skin?
Ans. Amphibia.
Q 10. How amphibians takes respiration?
Ans. Either Gills or lungs.
Q 11. How many heart chambered have Mammalia have?
Ans. 4.
Q 12. Which fish skeleton is made of entirely cartilage and doesn't have any bone?
Ans. Shark.

Q 13. Fish intake oxygen dissolved in water through?
Ans. Gills.
Q 14. Name the group which includes Unicellular prokaryotic organisms?
Ans. Monera.
Q 15. Which group include Unicellular algae and diatoms?
Ans. Protista.
Q 16. Which group of plants kingdom under Dicots plants are classified?
Ans. Angiosperms.
Q 17. Which group include Amoeba?
Ans. Protista.
Q 18. What is the approx height of red wood trees of California?
Ans. 100 meters.
Q 19. Which group includes penicillium?
Ans. Fungi.
Q 20. Who's the biggest animal on the earth?
Ans. Blue whale.