Reproduction in Paramecium is controlled by
Options
(a) flagella (b) cell wall (c) micronucleus (d) macronucleus
Correct Answer:
micronucleus
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Streptococcus is used in the preparation of
Options
(a) Wine (b) Idli (c) Cheese (d) Bread
Correct Answer:
Cheese
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Viruses cannot reproduce on its own because
Options
(a) it has undeveloped sex organs (b) it cannot reproduce at all (c) it lacks the cellular machinery to use its genetic material (d) none […]
Polymerase chain reaction (PCR) is used for
Options
(a) DNA identification (b) DNA repair (c) DNA amplification (d) DNA cleavage
Correct Answer:
DNA amplification
Explanation:
No explanation available. Be the first to write […]
Bone is connected to muscle with the help of
Options
(a) cartilage (b) ligament (c) tendon (d) none of these
Correct Answer:
tendon
Explanation:
No explanation available. Be the first to write the […]
Best type of pyramid which is always true is
Options
(a) pyramid of energy (b) pyramid of biomass (c) pyramid of number (d) pyramid of energy and number
Correct Answer:
pyramid of energy
The ‘end organs of Ruffini’ are receptors of
Options
(a) pressure (b) cold (c) heat (d) touch
Correct Answer:
heat
Explanation:
No explanation available. Be the first to write the explanation for this […]
Enzymes, which help in electron transfer are
Options
(a) cytochromes (b) proteases (c) isomerases (d) all of these
Correct Answer:
cytochromes
Explanation:
No explanation available. Be the first to write the explanation for […]
Secondary phloem remains functional generally
Options
(a) less than 1 year (b) more than 1 year (c) for 1 year (d) as long as plant lives
Correct Answer:
for 1 year
Explanation:
No […]
Nerve impulse initiates with the movements of
Options
(a) Ca⁺⁺ (b) K⁺ (c) Mg⁺⁺ (d) Na⁺
Correct Answer:
Na⁺
Explanation:
No explanation available. Be the first to write the explanation for this question […]
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