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 Biology Questions

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Q:

Which of the following does not hold true for Animal belonging to Phylum Chordate?

A) Notochord present B) Pharynx perforated by gill slits.
C) Heart is dorsal (if present) D) A post-anal part (tail) is present
 
Answer & Explanation Answer: C) Heart is dorsal (if present)

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Q:

Lipids that are solid at room temperature are known as

A) Oils B) Steroids
C) Fats D) Triglyceroids
 
Answer & Explanation Answer: C) Fats

Explanation:

Lipids are molecules that contain hydrocarbons and make up the building blocks of the structure and function of living cells.

 

Examples of lipids include fats, oils, waxes,...

 

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Q:

Which one of the following is a water soluble vitamin?

A) A B) C
C) K D) D
 
Answer & Explanation Answer: B) C

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Q:

Which Vitamin is obtained from Sun rays?

A) Vitamin A B) Vitamin C
C) Vitamin K D) Vitamin D
 
Answer & Explanation Answer: D) Vitamin D

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Q:

Which of the following enzymes is responsible for RNA synthesis?

A) RNA polymerase B) RNase
C) RNA ligase D) DNA polymerase
 
Answer & Explanation Answer: A) RNA polymerase

Explanation:

The enzyme that is mainly responsible for RNA synthesis is known as RNA polymerase.

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Q:

The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The second stage is the ___________ stage.

A) Agar B) Leafy
C) Chlorella D) protonema
 
Answer & Explanation Answer: B) Leafy

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Q:

Features and habits that help animals to adapt to their surroundings are a result of the process of ______________.

A) maturation B) evolution
C) progression D) renewal
 
Answer & Explanation Answer: B) evolution

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Q:

.......... helps the eye to adjust the focal length of the lens.

A) Lens B) Ciliary body
C) Retina D) Entire eye ball
 
Answer & Explanation Answer: B) Ciliary body

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