Question 1

Which of the following is a function of the xylem in vascular plants?

Accepted Answer

Transporting water and minerals from roots to leaves

Question 2

In the alternation of generations life cycle, what does a gametophyte produce?

Accepted Answer

Haploid gametes

Question 3

Which equation best represents exponential population growth?

Accepted Answer

$$N_{t+1} = N_t + rN_t$$

Question 4

Which process in plants is primarily responsible for the movement of water from roots to leaves?

Accepted Answer

Transpiration

Question 5

A population of deer in a forest is growing rapidly, but then reaches a plateau as resources become limited. Which type of growth is this?

Accepted Answer

Logistic growth

Question 6

Which of the following best describes the role of stomata in plant leaves?

Accepted Answer

Regulating gas exchange and water loss

Question 7

In a food web, which group is responsible for converting inorganic carbon into organic molecules?

Accepted Answer

Primary producers

Question 8

Which of the following is a real-world example of mutualism?

Accepted Answer

Bees pollinating flowers while collecting nectar

Question 9

Which of the following is NOT a characteristic of prokaryotic cells?

Accepted Answer

Presence of a nucleus

Question 10

Which process is responsible for the conversion of atmospheric nitrogen into a form usable by plants?

Accepted Answer

Nitrogen fixation

Question 11

A scientist observes that a population of finches on an island has developed larger beaks over several generations due to a change in available food sources. This is an example of:

Accepted Answer

Natural selection

Question 12

Which of the following statements about primary and secondary succession is correct?

Accepted Answer

Primary succession occurs on bare rock, while secondary succession occurs on soil after disturbance.

Question 13

Which of the following is a density-dependent factor that can limit population growth?

Accepted Answer

Disease

Question 14

Which of the following is true about the process of photosynthesis?

Accepted Answer

It uses light energy to convert carbon dioxide and water into glucose and oxygen.

Question 15

Which of the following best describes the function of the phloem in plants?

Accepted Answer

Transporting sugars from leaves to other parts of the plant

Question 16

Which of the following is an example of a keystone species in an ecosystem?

Accepted Answer

A species whose removal causes a dramatic change in ecosystem structure

Question 17

Which of the following is a correct statement about the process of cellular respiration?

Accepted Answer

It converts glucose and oxygen into carbon dioxide, water, and ATP

Question 18

Which of the following is a plausible consequence of removing all decomposers from an ecosystem?

Accepted Answer

Nutrient cycling would be disrupted, leading to accumulation of dead organic matter

Question 19

Which of the following is a real-world example of commensalism?

Accepted Answer

Barnacles attaching to a whale's skin

Question 20

Which of the following best describes the process of gene flow?

Accepted Answer

The movement of alleles between populations due to migration

General Biology Study Guide: Biodiversity, Evolution, and Ecology

Study Guide - Practice Questions

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