The zone of soil around roots where microbial activity is maximum is Rhizosphere, One of the following is used as an abrassive Corundum

Home >> Online-Test >> Biology >> Organism and Environment

Free Online Mock Biology Multiple Choice Test on Organism and Environment

Sub Category : Organism and Environment	Test : 2	Time Left :
1.Which of the following animal has created problem in Australia?
(1) Chital deer (2) Rabbit (3) Mongoose (4) None of these.
1 2 3 4
2.What replaces calcium in biological cells, when present in the atmosphere?
(1) Srontium-90 (2) Cobalt-60 (3) Iodine-131 (4) Radium.
1 2 3 4
3.One of the following is the study of fossil plants and
(1) Palaeontology (2) Palynology (3) Palaeobotany (4) Palaeoanatomy.
1 2 3 4
4.The zone of soil around roots where microbial activity is maximum is?
(1) Rhizosphere (2) Noosphere (3) Caleosphere (4) None of these.
1 2 3 4
5.One of the following is used as an abrassive?
(1) Asbestos (2) Corundum (3) Feldspar (4) Zircohonium.

1 2 3 4
	1 2 3 4

Free Online Mock Biology Multiple Choice Test on Organism and Environment