Biology - Mock Test 320

Question 3191

Soil in naturally growing vegetation is?

A) Acidic due to Bicarbonate in soil B) Basic due to Bicarbonate in soil C) Neutral D) Acidic due to Sulphuric acid

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Question 3192

Deepest enriched soil with nutrients is present at?

A) Tropical rain forests B) Dry deciduous forests C) Grasslands D) Conifers

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Question 3193

Maximum biodiversity occurs at?

A) Tropics B) Equator C) Temperate D) Shooth

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Question 3194

Rapid nutritional recycling takes place in?

A) Coral B) Deserts C) Grasslands D) Oceans

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Question 3195

The greatest amount of food per acre is produced in the?

A) tundra B) grassland C) marine biome D) rain forest

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Question 3196

Which of these is a large reservoir of nitrogen that is unusable by most organisms?

A) soil B) ocean C) atmosphere D) space

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Question 3197

The concentration of which gas can be reduced by preventing forest depletion?

A) Oxygen (O2) B) Methane (CH4) C) Carbon dioxide (CO2) D) Nitrous oxide (N2O)

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Question 3198

Two species or populations are competing for the exact same resources, and one will eventually exclude the other. What is the technical term for this?

A) Predation B) Competitive exclusion C) Coevolution D) Mutualism

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Question 3199

Which of these is NOT a characteristic of a rapid life history organism?

A) rapid period of time until maturation B) small body size C) early reproduction age D) long life span

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Question 3200

__________ is a density dependent factor.?

A) Competition B) Temperature C) Drought D) Floods

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