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Q:

Oparin is known for his hypothesis on

A) origin of species B) origin of life
C) one germ one disease D) one gene one enzyme

Answer:   B) origin of life



Explanation:

A. J . Oparin was the first to propose the origin of life from inorganic chemical atoms like Oxygen, Hydrogen, Nitrogen and Carbon.

Subject: Biology
Q:

Important component that helps in clotting of the blood is called ____.

A) Haemoglobin B) Platelets
C) Serum D) Plasma
 
Answer & Explanation Answer: B) Platelets

Explanation:

Blood Platelets are the components of the blood that are helpful in clotting of the blood.

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Q:

A colour blind person has difficulty in distinguishing which of the two colours ?

A) Green & Red B) White & Red
C) Blue & Red D) Red & Black
 
Answer & Explanation Answer: A) Green & Red

Explanation:
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6 213
Q:

What is scientific name of "Cotton"  ?

A) Azadhirachta Indica B) Phaseolies auicus
C) Gossypium Herbaceum D) Ficus Benghalensis
 
Answer & Explanation Answer: C) Gossypium Herbaceum

Explanation:
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9 306
Q:

Which one of the following vitamins is known as the anti sterile factor  ?

A) Ascorbic acid B) Riboflavin
C) Niacin D) Retinol
 
Answer & Explanation Answer: B) Riboflavin

Explanation:
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5 504
Q:

The sex of a newborn baby is determined by the chromosome inherited from

A) The Father B) The Mother
C) The Father's Father D) Both A & B
 
Answer & Explanation Answer: A) The Father

Explanation:
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