7. Which of the following is bio-degradable?a) Water bottleb) science

1.	7. Which of the following is bio-degradable?a) Water bottleb) science bookc) diamond ringd) window grill8. Cotyledon in betel nut are-a) Oneb) twoc) manyd) none 9. Chambered heart is present in the class-a) Amphibiab) Mammaliac) Reptild) Aves10. Which mosquito can cause malaria disease?a) Anophelesb) Culexc)Female anophelesd) Aedes11. What is the shape of the bee hive cells?a) Hexagonalb) Round. c) Triangled)Elongated
Answer» ANSWER: B) SCIENCE book Explanation:

7. Which of the following is bio-degradable?a) Water bottleb) science bookc) diamond ringd) window grill8. Cotyledon in betel nut are-a) Oneb) twoc) manyd) none 9. Chambered heart is present in the class-a) Amphibiab) Mammaliac) Reptild) Aves10. Which mosquito can cause malaria disease?a) Anophelesb) Culexc)Female anophelesd) Aedes11. What is the shape of the bee hive cells?a) Hexagonalb) Round. c) Triangled)Elongated

Answer»

Explanation: