1.
In India the temperate evergreen type of vegetation is found mostly in
A
Western Himalayas above 3,500 Meter
B
Eastern and western Himalayas less than 3,500
C
Rajasthan and South Punjab
D
Western ghats and Assam
Answer :
Eastern and western Himalayas less than 3,500
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
2.
A food chain stars with
A
Nitrogen fixation organisms
B
Photosynthesising organisms
C
Respiration
D
Decomposers
Answer :
Photosynthesising organisms
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
3.
Which of the following is mainly produced by the activity of anaerobic bacteria on sewage?
A
Laughing gas
B
Propane
C
Mustard gas
D
Marsh gas
Answer :
Marsh gas
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
4.
Which will not cause any atmospheric pollution
A
Hydrogen
B
Sulphur dioxide
C
Carbon dioxide
D
Carbon monoxide
Answer :
Hydrogen
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
5.
Which one is not a pollutant normally?
A
Hydrocarbons
B
Carbon dioxide
C
Carbon monoxide
D
Sulphur dioxide
Answer :
Carbon dioxide
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
6.
The least porous soil among the following
A
Loamy soil
B
Clay soil
C
Sandy soil
D
Peaty soil
Answer :
Clay soil
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
7.
A location with luxuriant growth of lichens on the trees indicates that the:
A
Trees are very healthy
B
Trees are heavily infested
C
Location is highly polluted
D
Location is not polluted
Answer :
Location is not polluted
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
8.
Pyramid of number is inverted in case of
A
Pond ecosystem
B
Desert ecosystem
C
Grass land ecosystem
D
Forest ecosystem
Answer :
Desert ecosystem
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
9.
Which pollutant exhibits biomagnification in food chain
A
DDT
B
SO2
C
CO
D
PAN
Answer :
DDT
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
10.
B.O.D. is connected with
A
Organic matter
B
Microbes
C
A and B both
D
None of the above
Answer :
A and B both
Discuss Question
No explanation is given for this question. Let's discuss the answer together.