GATE (Graduate Aptitude Test in Engineering) Ecology: Questions 28 - 30 of 45

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Question 28

Frequency Distributions and Their Descriptive Statistics

Appeared in Year: 2019

Question

MCQ▾

Which among the following is the best indicator of the precision with which a population parameter is estimated?

Choices

Choice (4)Response

a.

Degrees of freedom

b.

Standard error

c.

Sample size

d.

Mean

Question 29

Species Richness

Appeared in Year: 2019

Question

MCQ▾

A study found that grazing decreased species richness when productivity was low, and increased species richness when productivity was high. Which of the following figures best represents this result? In the figure, the dotted line represents species richness in grazed plots and the solid line represents species richness in plots without grazing.

Study Found That Grazing Decreased Species

Choices

Choice (4)Response

a.

iv

b.

i

c.

ii

d.

iii

Question 30

Habitat Ecology

Appeared in Year: 2019

Question

MCQ▾

The relative performance of amphibians adapted to tropical (dashed line) and temperate (solid line) climates as a function of temperature is shown below. Assume that global warming will result in an equal increase in mean temperatures over the next 30 years in both regions. Which of the following statements about the effects of global warming on these two amphibians is most likely?

Relative Performance

Choices

Choice (4)Response

a.

Tropical amphibians will be positively impacted, while temperate amphibians will be negatively impacted

b.

Temperate and tropical amphibians will be similarly impacted

c.

Tropical amphibians will be more negatively impacted than temperate amphibians

d.

Temperate amphibians will be more negatively impacted than tropical amphibians

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