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 Biology Questions

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Q:

In females, the uterus is __________.

A) Single B) Double
C) Triple D) Four
 
Answer & Explanation Answer: A) Single

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Q:

Which of the following is an excretory organ of cockroach?

A) Malphigian Tubules B) Nephridia
C) Coxal Gland D) Green Gland
 
Answer & Explanation Answer: A) Malphigian Tubules

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Q:

Which is the longest bone in human body?

A) febula B) Tibia
C) Stapes D) Femur
 
Answer & Explanation Answer: D) Femur

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Q:

Algal bloom results from

A) Global warming B) Salination
C) Eutrophication D) Biomagnification
 
Answer & Explanation Answer: C) Eutrophication

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Q:

Gaseous exchange takes place in leaves through tiny pores for the purpose of photosynthesis. What are these pores?

A) Chloroplast B) Stomata
C) Chlorophyl D) Vacuole
 
Answer & Explanation Answer: B) Stomata

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Q:

Which part of the brain is responsible for triggering actions like thinking, intelligence, memory and ability to learn?

A) Diencephalon B) Hypothalamus
C) Cerebrum D) Control
 
Answer & Explanation Answer: C) Cerebrum

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Q:

Control processes depend on which part of the brain

A) hypothalamus B) amygdala
C) cerebellum D) prefrontal cortex
 
Answer & Explanation Answer: D) prefrontal cortex

Explanation:

Control processes depend on the prefrontal cortex which shrinks with age. Inadequate control processes may explain why many older adults have extensive vocabs (measured by written tests) but limited fluency (when they write or talk).

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Q:

Which vaccine is primarily used against tuberculosis?

A) BCG B) DPT
C) HiB D) Varicella
 
Answer & Explanation Answer: A) BCG

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