Plant life is restricted in sea Photic zone upto 200 m, An ecosystem is a biotic community and its interaction with physical environment

Home >> Online-Test >> Biology >> Diversity of Life

Free Online Mock Biology Multiple Choice Test on Diversity of Life

Sub Category : Diversity of Life	Test : 9	Time Left :
1. Which of the following show burrowing habit?
(1) Nereis (2) Tubifex (3) Pheretima (4) Both (1) and (3).
1 2 3 4
2. Agroecosystem is unstable because
(1) lack of biological control (2) Being man made (3) Lack of variety (4) Both (1) and (3).
1 2 3 4
3. Plant life is restricted in sea
(1) Abyssal zone (2) Aphotic zone (3) Photic Zone (4) Photic zone upto 200 m.
1 2 3 4
4. An ecosystem is a?
(1)group of interacting chemicals and their cycles (2) group of interacting species in one place at one time (3) biotic community and its interaction with physical environment (4) group of component that interact with one another.
1 2 3 4
5. A consumer whose carbon atoms have already passed through three species is called ?
(1) scavenger (2) tertiary consumer (3) tertiary producer (4) secondary consumer.

1 2 3 4
	1 2 3 4

Free Online Mock Biology Multiple Choice Test on Diversity of Life