Q: Which of the following equations correctly represents the process of photosynthesis occurring in plant leaves?

$$6\ \mathrm{CO}_2 + 6\ \mathrm{H}_2O + \text{light energy} \rightarrow C_6H_{12}O_6$ + 6\ \mathrm{O}_2$$

Question 1

Which of the following best describes the main difference between angiosperms and gymnosperms?

Accepted Answer

Angiosperms produce flowers and fruits, while gymnosperms do not.

Question 2

A botanist discovers a plant with parallel leaf veins, fibrous roots, and a single cotyledon in its seed. To which group does this plant most likely belong?

Accepted Answer

Monocotyledons (monocots)

Question 3

Which of the following root adaptations would you expect to find in a mangrove tree growing in a swampy, oxygen-poor environment?

Accepted Answer

Pneumatophores

Question 4

Which plant tissue system is primarily responsible for the long-distance transport of water, minerals, and nutrients?

Accepted Answer

Vascular tissue system

Question 5

A student observes a plant cell with thick, lignified secondary walls and no living contents at maturity. This cell is most likely a:

Accepted Answer

Sclerenchyma cell

Question 6

Which of the following is NOT a function of roots in most plants?

Accepted Answer

Carrying out photosynthesis

Question 7

Which of the following best explains why gymnosperms have fewer species than angiosperms?

Accepted Answer

Gymnosperm seeds are unprotected and more vulnerable to environmental hazards.

Question 8

Which of the following is a correct pairing of plant organ and its primary function?

Accepted Answer

Leaf – photosynthesis

Question 9

A plant growing in a windy, shallow-soil tropical forest develops large, plank-like roots extending from its trunk. What is the main function of these roots?

Accepted Answer

Providing structural support

Question 10

Which of the following statements about sieve-tube elements in phloem is TRUE?

Accepted Answer

They lack organelles and rely on companion cells for metabolic functions.

Question 11

Which animal tissue type is specialized for transmitting electrical signals throughout the body?

Accepted Answer

Nervous tissue

Question 12

A plant with a taproot system, branching veins in its leaves, and two cotyledons in its seed is most likely a:

Accepted Answer

Dicot (eudicot)

Question 13

Which of the following is a function of trichomes on the shoot epidermis of plants?

Accepted Answer

Preventing water loss and deterring insects

Question 14

Which of the following best describes the arrangement of vascular bundles in the stem of a monocot?

Accepted Answer

Scattered throughout the ground tissue

Question 15

Which of the following is a real-world example of a storage root used as a staple crop for food security?

Accepted Answer

Sweet potato

Question 16

Which of the following equations correctly represents the process of photosynthesis occurring in plant leaves?

Accepted Answer

$$6\ \mathrm{CO}_2 + 6\ \mathrm{H}_2O + 	ext{light energy} ightarrow C_6H_{12}O_6$ + 6\ \mathrm{O}_2$$

Question 17

Which of the following best describes the function of collenchyma cells in plants?

Accepted Answer

Providing flexible support to young plant parts

Question 18

Which of the following is a characteristic of epithelial tissue in animals?

Accepted Answer

Cells are closely joined and may form single or multiple layers

Question 19

A plant is observed to have reproductive leaves that produce plantlets along their margins. What type of reproduction is this an example of?

Accepted Answer

Asexual reproduction

Question 20

Which of the following best describes the role of companion cells in the phloem?

Accepted Answer

They carry out metabolic functions for sieve-tube elements.

Histology: Plant and Animal Tissues, Organs, and Cellular Structure

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