General Knowledge - Biology

Exercise :: Biology - Section 1

  • Biology - Section 1
13. 

Plants absorb most part of water needed by them through their

A. embryonic zone
B. growing point
C. root hairs
D. zone of elongation

Answer: Option C

Explanation:

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14. 

Photo-oxidation is

A. photorespiration
B. photolysis
C. light and oxygen induced breakdown
D. All of the above

Answer: Option D

Explanation:

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15. 

Process of cell division can take place by

A. heterosis
B. fusion
C. mitosis
D. None of these

Answer: Option C

Explanation:

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16. 

Most highly intelligent mammals are

A. whales
B. dolphins
C. elephants
D. kangaroos

Answer: Option B

Explanation:

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17. 

Plant development is influenced by

A. quality of light only
B. quality and quantity of light
C. quality and duration of light
D. quality, quantity and duration of light

Answer: Option D

Explanation:

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18. 

Prokaryotic cells lack

A. nucleolus
B. nuclear membrane
C. membrane bound by organelles
D. All of these

Answer: Option D

Explanation:

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