Biology Questions

Q:

Which hormone is released from the testes?

A) Insulin B) Testosterone
C) Thyroxin D) Estrogen
 
Answer & Explanation Answer: B) Testosterone

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Q:

Thin filaments are composed of

A) Actin B) Tropomyosin
C) Troponin D) All of the above
 
Answer & Explanation Answer: D) All of the above

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Q:

The human spinal column is made up of ___ bones.

A) 33 B) 42
C) 44 D) 53
 
Answer & Explanation Answer: A) 33

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Q:

During the day which process is the major driving force in the movement of water in the xylem?

A) Transpiration pull B) Evaporation
C) Suction D) Translocation
 
Answer & Explanation Answer: A) Transpiration pull

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Q:

Which of the following organisms can reproduce by regeneration and budding?

A) Yeast B) Plasmodium
C) Hydra D) Planaria
 
Answer & Explanation Answer: C) Hydra

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Q:

Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the

A) Spinal cord B) Hypothalamus
C) Pons D) Medulla
 
Answer & Explanation Answer: D) Medulla

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Q:

Radish is an example of

A) bulb B) root
C) tuber D) fruit
 
Answer & Explanation Answer: B) root

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Q:

Where in the human body can you find the islets of Langerhans?

A) Small intestine B) Pancreas
C) Stomach D) Heart
 
Answer & Explanation Answer: B) Pancreas

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