Sawaal
4
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
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Yeast and mushrooms are the examples of organisms of which kingdom?

 

A) Fungi B) Monera
C) Plantae D) Protista
 
Answer & Explanation Answer: A) Fungi

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Which of the following is the largest group of animals?

A) Nematoda B) Porifera
C) Arthropoda D) Mollusca
 
Answer & Explanation Answer: C) Arthropoda

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Plants having body that is differentiated into roots, stems and leaves and have specialized tissue for the conduction of water and other substances, fall in which group?

 

A) Bryophyta B) Thallophyta
C) Pteridophyta D) All option are correct
 
Answer & Explanation Answer: C) Pteridophyta

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Which are the special proteins in muscles that contract and relax to cause movement?

 

A) Contractile protein B) Receptor protein
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Answer & Explanation Answer: A) Contractile protein

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The richest source of Vitamin D from food is

A) Cotton seed oil B) Olive oil
C) Cod liver oil D) Sunflower oil
 
Answer & Explanation Answer: C) Cod liver oil

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Oncology is associated with treatment of

A) Osteoporosis B) Diabetes
C) Cancer D) Renal failure
 
Answer & Explanation Answer: C) Cancer

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The group of crop plant that are vegetatively propagated is:

 

A) potato,papaya and banana B) Sugarcane,potato and banana
C) groundnut,drumstick and cashew nut D) Onion,coriander and lime
 
Answer & Explanation Answer: B) Sugarcane,potato and banana

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The O-T-C medicine Crocin is an

A) Analgesic B) Antipyretic
C) Analgesic and antipyretic D) Antiseptic
 
Answer & Explanation Answer: C) Analgesic and antipyretic

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