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Question 1 of 10
1. Question
A biotic community comprises:
- Plants only
- Animals only
- Plants and animals
- Plants or animals
Question 2 of 10
2. Question
Food chains are met with only in the:
- Sea
- Forests
- Deserts
- In all these places
Question 3 of 10
3. Question
The trophic structure in an ecosystem is infact:
- Producer-consumer arrangement
- Refers to grazing food chain only
- Never forms a food web
- Never photosynthesis dependent
Question 4 of 10
4. Question
The river mouth ecosystem is called:
- Estuarine
- Lotic
- Lentic
- None of these
Question 5 of 10
5. Question
Every ecosystem must have a continuous external source of:
- Energy
- Oxygen
- Living organism
- Bacteria
Question 6 of 10
6. Question
The amount of living matter present in a component population of a particular trophic level is called:
- Standing crop
- Standing quality
- Both (a) & (b)
- Standing state
Question 7 of 10
7. Question
The pyramid of biomass is variable in some:
- Grassland ecosystems
- Pond ecosystems
- Parasitic ecosystems
- Forest ecosystems
Question 8 of 10
8. Question
The source of energy in an ecosystem is:
- sugar stored in plants
- Light received from the sun
- Heat liberated during fermentation
- Heat liberated during respiration
Question 9 of 10
9. Question
Plants constitute the:
- Third trophic level
- Fourth trophic level
- First trophic level
- Second trophic level
Question 10 of 10
10. Question
The ecosystem exists in a state of ‘balance’. Supposing one of the heterotrophs, says the rabbit, multiplies and increases in number suddenly then:
- The balance will be permanently upset because the rabbits will eat the grass in the system and die of starvation
- The 'balance' will be restoredby an increase in the wolf population
- Epidemics will break out in the rabbits and kill all of them
- Rabbits will starts eating each other

Test Instructions
Test Name	:	Ecology and General Silviculture – Agriculture Quiz
Subject	:	Agriculture
Test Type	:	Mcqs
Total Question	:	10
Total Marks	:	20
Total Time	:	05 Minutes

Ecology and General Silviculture – Agriculture Quiz Set 10

Test Instructions

Quiz-summary

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Categories

1. Question

A biotic community comprises:

2. Question

Food chains are met with only in the:

3. Question

The trophic structure in an ecosystem is infact:

4. Question

The river mouth ecosystem is called:

5. Question

Every ecosystem must have a continuous external source of:

6. Question

The amount of living matter present in a component population of a particular trophic level is called:

7. Question

The pyramid of biomass is variable in some:

8. Question

The source of energy in an ecosystem is:

9. Question

Plants constitute the:

10. Question

The ecosystem exists in a state of ‘balance’. Supposing one of the heterotrophs, says the rabbit, multiplies and increases in number suddenly then:

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