Question 1

Which organelle is responsible for cellular respiration in eukaryotic cells, converting glucose and oxygen into ATP?

Accepted Answer

Mitochondrion

Question 2

According to the endosymbiotic theory, which event occurred FIRST in the evolution of eukaryotes?

Accepted Answer

Origin of mitochondria

Question 3

Which of the following statements best explains why eukaryotes are able to increase surface area for protein synthesis and assembly?

Accepted Answer

They possess membrane-bound organelles

Question 4

A plant cell is observed to have both mitochondria and chloroplasts. Which process can occur in this cell that cannot occur in animal cells?

Accepted Answer

Photosynthesis

Question 5

Which equation correctly represents the overall process of photosynthesis?

Accepted Answer

$$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 6

Which of the following is a major adaptation that allowed plants to colonize land?

Accepted Answer

Development of vascular tissue

Question 7

In the alternation of generations life cycle, which stage is diploid and produces spores by meiosis?

Accepted Answer

Sporophyte

Question 8

Which of the following statements about prokaryotes is TRUE?

Accepted Answer

They lack a nucleus

Question 9

A scientist discovers a new plant species that has a dominant haploid stage in its life cycle. Which group does this plant most likely belong to?

Accepted Answer

Bryophytes

Question 10

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

Accepted Answer

Transpiration

Question 11

Which of the following best describes the function of the Calvin Cycle in photosynthesis?

Accepted Answer

It fixes carbon dioxide into organic molecules

Question 12

Which adaptation helps plants survive in nutrient-poor soils such as bogs and swamps?

Accepted Answer

Pitchers and traps

Question 13

Which of the following statements about the origin of mitochondria and chloroplasts is supported by the endosymbiotic theory?

Accepted Answer

Both originated from free-living bacteria

Question 14

Which of the following is a plausible consequence of increased anthropogenic activities on atmospheric carbon dioxide levels?

Accepted Answer

Increase in carbon dioxide

Question 15

A tree ring shows a very dark band in the center. What does this most likely represent?

Accepted Answer

Flooding events, droughts, and forest fires

Question 16

Which of the following is a correct comparison between primary and secondary endosymbiosis?

Accepted Answer

In secondary endosymbiosis, an entire free-living alga is ingested into the food vacuole of a heterotrophic eukaryote.

Question 17

Which of the following statements about eukaryotic cells is FALSE?

Accepted Answer

They lack mitochondria

Question 18

Which adaptation is commonly found in xerophytes to reduce water loss?

Accepted Answer

Spines

Question 19

Which of the following best describes the evolutionary significance of multicellularity in plants?

Accepted Answer

It allowed for rapid colonization of land and vertical growth

Question 20

Which of the following is a direct result of the division of labor in multicellular plants?

Accepted Answer

Specialization of cells for different functions

General Chemistry Study Notes: Eukaryotes, Prokaryotes, Photosynthesis, and Plant Biology

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