Click the following links to Print the SA 2 Science Question Papers For Class X
Showing posts with label S A 2. Show all posts
Showing posts with label S A 2. Show all posts
12 Feb 2014
4 Feb 2014
Class 10 Home Assignment Chapter : Our Environment
Click below to Download:
1. Define biodegradable wastes. (1 mark)
2. Define decomposers. Name one decomposer. (1 mark)
3. Which of the following belong to the same trophic level?
Tree, Frog, Snake, Grass, Lizard. (1 mark)
4. Name the group of chemical compounds which damages the ozone layer. (1mark)
5. What would happen if all the decomposers were eliminated from the Earth? Explain with
reasons. (2 marks)
6. Give an example of a food chain operating in fresh water pond. Mention the food habit of
each trohic level
in
this food chain. (2 marks)
7. Consider the food chain: Grass à Deer à Lion.
What will happen, if lions are removed from the above food chain? (2 marks)
Click below to Download:
Class 9 Home Assignment Chapter : Natural Resources
Click below to Download:
1. Biotic components of biosphere is
not
constituted by –
(a) Producers (b) Consumers (c) decomposer (d) air
2. Major source of
mineral in soil is
the –
(a) Parent rock
from which soil is
covered (b) Plants
(c)
animals (d)
bacteria
3. One of the following factors does not lead to soil
formation in nature
(a) the sun (b)
water (c) wind (d) polythene bags
4. The nitrogen molecules present in air can be converted into nitrates and nitrites by –
a) a biological process of nitrogen fixing bacteria present in soil b)
a biological process of carbon fixing factor present in soil
c) any of the industries manufacturing nitrogenous compounds.
d) The plants used as cereal crops in field
Click below to Download:
21 Dec 2013
20 Dec 2013
30 Nov 2012
MCQ Practice Tests for Class 9 Science
Multiple Choice Questions (MCQs) for Summative Assessment II of Science for CLASS 9
Subscribe to:
Comments (Atom)