Biology Man and His Environment Test Mcqs Online Preparation

Biology Man and His Environment Test Mcqs With Answers Online Preparation Start Below

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Question 1 of 15

1. Total area under cultivation in the world is about
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The study internal state of homeostasis is known as
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. The destruction of forest leaves the soil barren and this is called
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. A treasure of all type of resources essential to maintain life on earth is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The study of human population and things that affected them is called:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Modern man is called Homo sapiens and has been on this earth for about
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. A layers of atmosphere ozone extending ________km above earth
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Pyrolysis is:
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Excessive exposure to ultra violet rays can cause
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. In oceans, especially in tropical regions, temperature of surface water is about:
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. What is our principle source of energy?
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. A single chlorine atom can react with ultraviolet rays and destroy as many as _________million ozone molecule
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Chemical used to kill weed plants are
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. How much water is in the form of ice caps?
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Tides are mainly caused by the gravitational pull of the
A.
B.
C.
D.

Question 15 of 15


 

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