Top Important Ecology MCQ
Q1.The term ecology is first given by ___
A. Robbery brown
B. Aristotal
C. Khurana
D. Hanns Reiter
Ans- D. Hanns Reiter. He was the first person to use the term “ecology” in 1868.
2. Study of inter relationship between living organism and their environment is called __
A. Plant Geography
B. Ecology
C. Plant social science
D. Ecosystem
Ans – B. Ecology
3. Lichens, which are capable of intiating ecological succession even on a bare rock are actually a symbiotic association of
A. Algae and bacteria
B. Algae and fungi
C. Bacteria and fungi
D. Fungi and mosses Ecology
Ans- B. Algae and fungi
4. Ecosystem is ________
A. Always open
B. Always closed
C. Both open and closed depending upon community
D. Both open and closed depending upon biomass
Ans- C. Both open and closed depending upon community
5. Center for Ecological Sciences is situated at which place?
A. New Delhi
B. Allahabad
C. Karnal
D. Bengaluru
Ans- D. Bengaluru
6. Which of the following is most stable ecosystem?
A. Forest
B. Grass land
C. Desert
D. Sea
Ans- D. Sea
7. The ratio of forest area needed for ecological balance in India_____
A. 1%
B. 22.2%
C. 3%
D. 4%
Ans- C. 33.3%
8.Most of the desert plant bloom during night because _________
A. Their blooming is controlled by low temperature
B. They are sensitive to the phase of moon
C. The desert insects eat away flower during day time
D. The desert insects are active during night time
Ans – D. The desert insects are active during night time
9. Phytotron is a facility to_______
A. Grow plant under disease free condition
B. Conserve endangered species of plant
C. Grow plant under controlled condition
D. Induced mutations
Ans- C. Grow plant under controlled condition
10. Epiphytes are plant which depend on other plants for
A. Food
B. Mechanical support
C. Shade
D. Water
Ans- B. Mechanical support
Important Top Ecology MCQ
11. Hydrophonics is related to ______
A. Growth of plant without soil
B. Growth of plant without water
C. Conservation of water
D. Relation of sound with water
Ans- A. Growth of plant without soil
12. Abiotic component of our environment _______
A. Plant
B. Animal
C. Both a and b
D. Air
Ans- D. Air
13. which of the following is a xerophytic plant ______
A. Mustard
B. Amerbel
C. Karil
D. Neem
Ans- C. Karil
14. Hydrophytes are ____
A. Animal found in sea
B. Aquatic plant
C. A plant disease
D. A root less plant
Ans- B. Aquatic plant
15. In a food chain energy transfer _____
A. From river to earth
B. Lower latitude to higher latitude
C. From one organism to other organism
D. None of these
Ans- C. From one organism to other organism
16. We get solar energy from__________
A. Moon
B. Sea
C. Sun
D. Air
Ans – C. Sun
17. When we eat the flesh of goat we are ______
A. Primary consumer
B. Secondary consumer
C. Tertiary consumer
D. None
Ans- B. Secondary consumer
18. Largest ecosystem of world is _____
A. MGrass land
B. lake
C. Sea
D. Forest
Ans- C. Sea
19. Epiphytes are found in those place where__________
A. Temperature is very low
B. Concentration of oxygen is high
C. Rain fall occur all over year
D. Rain fall occur according to season
Ans- C. Rain fall occur all over year
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