NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1212 - 1216 of 1484

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Question number: 1212

» Biology » Our Environment

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Question

Which of the following represents the energy in various trophic levels of ecosystems, the number of individuals, the biomass or the amount of energy in each trophic level in a food chain?

Choices

Choice (4) Response

a.

Ecological pyramid

b.

Population

c.

Pyramid of numbers

d.

Food web

Question number: 1213

» Biology » Our Environment

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MCQ▾

Question

Which of the following sequences show how energy moves in a food chain?

Choices

Choice (4) Response

a.

Corn Grasshopper Rat Eagle Wolf

b.

Grasshopper Corn Rat Wolf Eagle

c.

Corn Grasshopper Rat Wolf Eagle

d.

Grasshopper Rat Corn Eagle Wolf

Question number: 1214

» Biology » Our Environment

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Question

Which of the following does not true in a balanced ecosystem?

Choices

Choice (4) Response

a.

Biodiversity is key to a balanced ecosystem

b.

Predator and prey populations will always be in balance

c.

Living and non-living components of an area that interact with one another

d.

None of the above

Question number: 1215

» Biology » Our Environment

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MCQ▾

Question

What would be the impact of global warming?

Choices

Choice (4) Response

a.

Drought

b.

Extremes temperatures

c.

Rise in sea levels

d.

All a. , b. and c. are correct

Question number: 1216

» Biology » Our Environment

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MCQ▾

Question

Which of the following results when there is an increase in the population of Owls?

Image showing food chain from leaves to owl.

Image Showing Food Chain from Leaves to Owl.

Image showing food chain from leaves to owl.

Choices

Choice (4) Response

a.

An increase in the population of snakes

b.

An decrease in the population of snakes and leaves

c.

An decrease in the population of caterpillars

d.

An increase in the population leaves

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