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Q:

The protoplasm of a child is exactly the same as that of its

A) mother B) father
C) grandfather D) identical twin

Answer:   D) identical twin

Explanation:

Though all living organisms  are made of protoplasm each individual has a different composition however slight it be. In identical twins the same cell divides into two and each one develops into one person. So the genitic make-up and type of protoplasm are exactly the same.

Subject: Biology
Q:

Lathyrism is caused by excess consumption of.......

A) Khesari Dal B) Mustard oil
C) Mushrooms D) Polished rice
 
Answer & Explanation Answer: A) Khesari Dal

Explanation:
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Q:

Number of eyes found in Earthworm..........

A) One B) Many
C) No eye D) Two
 
Answer & Explanation Answer: C) No eye

Explanation:
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1 20
Q:

The universal donor belongs to blood group

A) A B) B
C) AB D) O
 
Answer & Explanation Answer: D) O

Explanation:

The persons with 'O' blood group do not have antigens in the red corpuscles. So that blood will not cause agglutination of corpuscles if mixed with any type of blood. So group 'O' persons are called universal donors.

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Q:

Man has...............pairs of salivary glands

A) 4 B) 6
C) 3 D) 8
 
Answer & Explanation Answer: C) 3

Explanation:

Salivary glands of man are 3 pairs = 6. They are one pair of parotid glands, one pair of submaxillary or submandibular glands and one pair of sublingual glands.

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1 21
Q:

The brain is covered by

A) meninges B) skin
C) bone D) all the above
 
Answer & Explanation Answer: D) all the above

Explanation:

The central nervous system ( brain and spinal card ) are invested with the meninges which nourish and protect the system .This again is enclosed inside a bony box which has the skin above it

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