Ans: (E)
Question: What contains the green pigment chlorophyll?
Options:
- (A) seeds
- (B) orchids
- (C) barnacles
- (D) cacti
- (E) plastids
- (F) ferns
- (G) Most plants
- (H) bioaerosols
CoT: Chloroplasts contain the green pigment chlorophyll. Chloroplasts are the most familiar plastids. Plastids contain the green pigment chlorophyll.

Ans: (D)
Question: Muscle and internal organs are protected by:
Options:
- (A) immunization
- (B) fur
- (C) fat
- (D) bone
- (E) hair
- (F) skin
- (G) defense
- (H) copper
CoT: Bone provides protection for soft tissues and internal organs. Soft tissue refers to the soft connective or supporting tissues, such as muscle. Bone provides protection for muscles and internal organs.

Ans: (B)
Question: A platypus is an example of _.
Options:
- (A) Marsupial.
- (B) Monotremes.
- (C) insects
- (D) animals
- (E) killing insects
- (F) Amphibian.
- (G) Placental mammal.
- (H) matter vibrating
CoT: Monotremes are mammals that reproduce by laying eggs. Well, platypuses are mammals, and they lay eggs. Platypuses are monotremes.

Ans: (G)
Question: When snow falls to the ground and soaks into the ground, what can it become?
Options:
- (A) steam
- (B) ice
- (C) Sediment
- (D) thermal heat
- (E) dangerous
- (F) flooding
- (G) groundwater
- (H) rainfall
CoT: Some precipitation that falls on land may soak into the ground, becoming groundwater. Most of the precipitation falls as snow. Some snow that falls on land may soak into the ground becoming groundwater.