The waxy substance associated with cell walls of cork cells is
Options
(a) lignin (b) hemicellulose (c) suberin (d) cutin
Correct Answer:
suberin
Explanation:
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Mineral salts are absorbed by the roots from soil in the form of
Options
(a) very concentrated solution (b) concentrated solution (c) dilute solution (d) dilute suspension
Correct Answer:
dilute solution
Explanation:
Soil […]
Which of the following is equivalent to madness?
Options
(a) epilepsy (b) psychosis (c) neurosis (d) epilepsy & psychosis & neurosis
Correct Answer:
psychosis
Explanation:
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Which pair of structure are usually found in both plant and animal cells?
Options
(a) nucleus and cell wall (b) nucleolus and chloroplast (c) cell membrane and cell wall (d) cell membrane and […]
All population in a given physical area are defined as
Options
(a) population (b) ecosystem (c) territor (d) biotic community
Correct Answer:
biotic community
Explanation:
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Ammonium sulphate is
Options
(a) pesticide (b) weed killer (c) fertilizer (d) enzyme
Correct Answer:
fertilizer
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
DNA formed from RNA is
Options
(a) ADNA (b) BDNA (c) c DNA (d) ZDNA
Correct Answer:
c DNA
Explanation:
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Graffian follicles contain
Options
(a) theca externa and theca interna (b) corpus luteum (c) corpus albicans (d) oogonial cells
Correct Answer:
theca externa and theca interna
Explanation:
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Electrocardiograph was developed by
Options
(a) Wilhelm Roentgen (b) William Einthoven (c) William Kolff (d) Hans Berger
Correct Answer:
William Einthoven
Explanation:
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