Zoology Scope and Origin of Life MCQs Test 06 Preparation Online

1. Life originated about?

A. Six billion years ago

B. One billion years ago

C. Three billion years ago

D. Nine billion years ago

2. Life originated?

A. In water

B. On land

C. In air

D. In all of these

3. It can be concluded on the basis of Miller's experiment that?

A. Life originated in form of amino acid

B. The organic compound can be synthesized in the laboratory

C. Organic compounds contain hydrogen, oxygen and carbon

D. Complex organic compound were first formed on the primitive earth

4. Miller synthesized simple amino acids from?

A. Ammonia, Methane, Cyanide and Oxygen

B. Hydrogen, Oxygen Nitrogen and water

C. Hydrogen, Ammonia, Methane and Water Vapours

D. Methane, Cyanide, Hydrogen and Oxygen

5. Oxygen present in the atmosphere has been formed by?

A. Metabolism of micro-organisms

B. Evaporation of sea water

C. Photosynthesis by plants

D. Putrefaction of animals and plants

6. Most important condition for the origin of life is presence of?

A. Carbon

B. Nittogen

C. Water

D. Oxygen

7. Louis Pasteur is known for?

A. Cell Theory

B. Germ Theory of disease

C. Recapitulation Theory

D. Germ Plasm Theory

8. Carbondioxide of the present atmosphere is entirely produced by?

A. Industrial smoke

B. Microbial activity

C. Forest fire

D. Respiration of animals and plants

9. Which of the following must have evolved in the direction of "Origin of Life"?

A. Proteins and nucleic acids

B. Proteins and amino acids

C. None of these

D. Urea and proteins

10. Nucleoproteins most probably gave the first sign of?

A. Evolution

B. Speciation

C. Matation

D. Life

Zoology Scope and Origin of Life MCQs Test 06 Preparation Online

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