[Q] Plants shed their leaves in what season each year?
Options:
- (A) spring season
- (B) wet season
- (C) firing season
- (D) Summer
- (E) When it's cold
- (F) colder weather
- (G) Winter
- (H) dry season
[A] Here's my solution: Plants that shed their leaves seasonally each year are called deciduous plants. Trees here are largely deciduous, shedding their leaves in the dry season. Plants shed their leaves in the dry season each year. The answer is (H).

[Q] What interferes with cooling of the body?
Options:
- (A) low humidity
- (B) snow
- (C) ice
- (D) Sulfur dioxide
- (E) Leptospirosis
- (F) Smoking
- (G) heat or cold
- (H) high humidity
[A] Here's my solution: Sweat wets the skin, and when it evaporates, it cools the body. High humidity interferes with evaporation of the sweat. High humidity interferes with cooling of the body. The answer is (H).

[Q] Where does lengthening and widening occur in plant roots?
Options:
- (A) meristems
- (B) Epidermis
- (C) cracking
- (D) allow growth
- (E) buds
- (F) stamens
- (G) epidermal
- (H) fruits
[A] Here's my solution: Roots have primary and secondary meristems for growth in length and width. Growth occurs in meristems. Without meristems, roots couldn't lengthen or widen. The answer is (A).

[Q] What do plants do during the day?
Options:
- (A) Exfoliation
- (B) amble
- (C) bite animals
- (D) produce light
- (E) grass
- (F) reproduce
- (G) sweating
- (H) respirate
[A]
Here's my solution: Plants release oxygen during the day but not during the night. Oxygen exchange is needed for plant respiration. Plant respiration occurs during the day but not during the night. The answer is (H).