General Science class 6 chapter 4 mcqs with answers

1. Grasses, lichens, and cyanobacteria are……………………

2. Insects, fungi, and bacteria are examples of ……………………

3. Study of relationship between biotic and abiotic factors in environment is called ……………………

4. At arctic, the permanent………………. restricts the growth of trees and plants.

5. In the deserts environment there is a limiting factor such as……………………

6. Predator feed directly on ……………………

7. In predator-prey interaction which one is harmed ……………………

8. The parasite is ……………..than the host in size. 

9. Mosquitos suck human being blood is an example of………………… 

10. In mutualism, two organisms interact in such ways that…………………………….Both.

11. A honeybee visits a male flower for nectar and picks up and transfer pollen grain male to the female flower, this interaction is called…………………..

12. Food chain describes the…………………..

13. The following is an example of an abiotic part of an ecosystem…………………..

14. The following is an example of a biotic component of an environment…………………..

15. Tapeworms that live inside organisms and feed on the nutrients of the food organism eat are an example of …………………..

16. An organism in an ecosystem can be classified as a producer or consumer, the producers provide food for the consumers, name the organism that consumes both producers and other consumers …………………..

17. Carbon is an integral part of an ecosystem, It is cycled throughout the ecosystem as it is used and then reused, all life must exist, Name the process in which plant uses carbon-di-oxide …………………..

18. Photosynthesis is a chemical reaction that occurs in the leaves of plants. But it requires a special gas and abiotic component from the atmosphere. What is the substance …………………..