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 Biology Questions

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Q:

The body of all complex animals consist of only _______ basic types of tissue(s).

A) 4000 B) 400
C) 40 D) 4
 
Answer & Explanation Answer: D) 4

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Q:

Involuntary muscles are controlled by the

A) Central nervous system B) Autonomic nervous system
C) Peripheral nervous system D) All the above
 
Answer & Explanation Answer: B) Autonomic nervous system

Explanation:

Involuntary muscles are the muscles which contract without conscious control whereas Voluntary muscles are the muscles that help you walk, talk, pick up things, jump and do all the basic or complex movements you do everyday with your consciousness.

* The contraction in the involuntary muscles is controlled by the autonomic nervous system. These are present in the walls of the digestive system, blood vessels, bronchi, uterus and bladder.

* Voluntary muscles are mostly located in the arms ,legs ,hands, and feet.

 

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Q:

Myopia affects which of the following organs?

A) Heart B) Skin
C) Eyes D) Mouth
 
Answer & Explanation Answer: C) Eyes

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Q:

Which feature of the cell allows or permits the entry and exit of some materials in and out of the cell?

A) Cytoplasm B) Protoplasm
C) Cell wall D) Plasma membrane
 
Answer & Explanation Answer: D) Plasma membrane

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Q:

Which plant tissue is also known as growing tissue?

A) Only permanent tissue B) Only Meristematic tissue
C) Both Permanent and meristematic tissue D) Neither Permanent nor meristematic tissue  
 
Answer & Explanation Answer: B) Only Meristematic tissue

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Q:

Which of the following is NOT included in the excretory system of human being?

A) A pair of kidney B) A pair of ureters
C) Abdomen D) Urinary bladder
 
Answer & Explanation Answer: C) Abdomen

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Q:

In plants, the carbohydrates which are NOT used immediately are stored in the form of

A) Amino acids B) Starch
C) Fatty acids D) Fats
 
Answer & Explanation Answer: B) Starch

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Q:

The disease cirrhosis affects which organ in the body?

A) Brain B) Liver
C) Heart D) Kidney
 
Answer & Explanation Answer: B) Liver

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