1.  

What does following diagram indicate ?

A. Declining Population

B. Constant declining Population

C. Increasing Population

D. Stable Population

Answer : Option C

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2.  

Which option is not correct for the given diagram ?

A. It indicate decreasing population stable

B. It indicate stable population

C. The post-population age group people are more in number

D. The death rate is higher than birth rate

Answer : Option B

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3.  A Snake feed on frog, the hawk feed on this snake. What is the place of snake in foodchain?

A. producer

B. primary consumer

C. secondary consumer

D. Tertiary consumer

Answer : Option C

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4.  

What is correct for the given diagram?

A. Pre- re productire group people are more in number

B. Post-re productive group people are more in number

C. Post-re productive group people are more less

D. In it-pre productive and post reproductive age- group are placed respectively.

Answer : Option A

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5.  Orchid living on the tree is an example of ..............?

A. Parasitic

B. Predetor

C. Commensalism

D. Mutualism

Answer : Option C

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6.  Population of which of the following will be highest in the foodchain?

A. Decomposer

B. Primary Producer

C. Photosynthetic organism

D. Secondary consumers

Answer : Option C

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7.  Who is food componant of the grazing food chain?

A. Consumer

B. Decomposer

C. Photosynthetic living organism

D. Photosynthetic consumers

Answer : Option B

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8.  System resulting from interaction of all the known living factors and populaton of all the species of a unit area is...

A. Ecology

B. Genetics

C. Science of plants and animal

D. Ecosystem

Answer : Option D

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9.  In which of the following plants are included in any food chain?

A. Primary Producer

B. Primary predator& producer

C. primary comsumer

D. Primary decomposar

Answer : Option A

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10.  Which of the following is the correct statement for food chain?

A. Every chain formed by nutritional relations , is used to understand energy flow.

B. Enery componet of the food chain forms trophic level.

C. Inter- relation amongest different food chain froms food web.

D. All of the given

Answer : Option D

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