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Biotic Community Test Online MCQs

Test Name	Biotic Community Test Online MCQs
Subject	Biology
Test Type	MCQs
Total Question	20
Total Marks	40
Total Time	20 Mints
Test Help For	Biology Subject Test Prep. Everyday Science Quiz Prep. General Knowledge test prep. All Jobs and recruitment test Prep. All Medical Entrance Exams.

Biotic Community Test Online preparation of the Multiple Choice Questions for the medical colleges and universities admission test, Mock quiz, jobs and recruitment test.

Biotic Community Test Online MCQs

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Biology

1. Lemming’s reduce their number by committing suicide every:

Eight year

Alternate year

Four year

Two year

Question 1 of 20

2. The lowest region of atmosphere is known as:

Stratosphere

Troposphere

Mesosphere

Ozonosphere

Question 2 of 20

3. Flagellate protozoan living in the gut of termites is a case of:

Amensalism

Commensalism

Parasitism

Mutualism

Question 3 of 20

4. The association between fungus and root system of certain plants is called:

Ammensalism

Competition

Mycorrhiza

Cauliflory

Question 4 of 20

5. The relationship between Myxotricha paraodoxa and Australian termites is of:

Symbiosis and any kind

Commensalism

Protocooperation

Mutualism

Question 5 of 20

6. Boundary of territory in animals is market by:

Pheromones present in excreta

Urination

Excreta

Defaecation

Question 6 of 20

7. Phytoplanktons in the hyfrosere constitute:

Members of climax community

All of these

Pioneer community

Intermediate seral members

Question 7 of 20

8. In any lithosere the pioneer community is:

Blue green algae

Foliose lichens

Crustose lichen

Mosses

Question 8 of 20

9. Parasitodism is a case where the larval from:

Is parasite on another parasite

Lives after host’s death

Does with host’s death

Is parasite but adult is free living

Question 9 of 20

10. One of the following is the region of cold temperature?

Exosphere

Mesosphere

Ionosphere

Thermosphere

Question 10 of 20

11. Which one is a larger area?

Home range

Defendended area

Territory

Nesting and Nursing area

Question 11 of 20

12. ‘Parasitic castration’ refers to:

Change brought about by the parasite on the host resulting in sexual impotency

Parasites induce their hosts to form antibodies

Parasited make their hosts to form fibrous Capsules round them

None of these

Question 12 of 20

13. What is studied under the “Microcosm”?

Living organisms

Non-living things

Ecosystem

None of these

Question 13 of 20

14. Serule is:

Biosere

Hyfrosere

Lithosere

Microbial succession

Question 14 of 20

15. The most effective defense of plants against herbivores are:

Developmental

Morphological

Temporal

Chemical temporal

Question 15 of 20

16. Emigration means:

One way inward movement

Movement of entire population

One way outward movement

Periodic departure and return

Question 16 of 20

17. Mycobiont and phycobiont association is:

Commensal

Symbiotic

Helotism

Parasitic

Question 17 of 20

18. Which factor maintains the distinctive traits of species?

Reproductive isolation

Continuous inter communication

Cooperative interaction

Specific niche

Question 18 of 20

19. Hydoxylamine toxins are released by:

Members of actinomycetes

Blue green algae

All parasites

All of these

Question 19 of 20

20. The soil near the surface is usually darker than about one meter down, this is because the top soil:

Contains more organic matter

Is richer in Ca and Mg

Is drier than the sub soil

Is wetter than the sub soil

Question 20 of 20

Test By Subject	Biology
Test By Topics	Biology Subject

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2018-04-13

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