Na⁺/K⁺ pumb is associated with
Options
(a) passive transport (b) active transport (c) osmosis (d) imbibition
Correct Answer:
active transport
Explanation:
No explanation available. Be the first to write the explanation for this […]
Living in the atmosphere of CO is dangerous, because it
Options
(a) combines with O₂ present inside to form CO₂ (b) reduces organic matter of tissues (c) combines with haemoglobin and makes it […]
Which is correct example of condensation polymer
Options
(a) Nylon, buna-S (b) Teflon, buna-N (c) Nylon 6,6, dacron (d) Neoprene, buna-S
Correct Answer:
Nylon 6,6, dacron
Explanation:
No explanation available. Be the first […]
How many P = O bond present in (HPO₃)₃
Options
(a) 0 (b) 3 (c) 6 (d) 9
Correct Answer:
3
Explanation:
No explanation available. Be the first to write the explanation for […]
MnO₃ in an acidic medium dissociates into
Options
(a) MnO₂ and MnO₄⁻ (b) MnO and MnO₄⁻ (c) MnO₂ and MnO (d) MnO₂ and MnO₃
Correct Answer:
MnO₂ and MnO₄⁻
Explanation:
No explanation available. […]
Which of the following statements is incorrect about G₀ phase?
Options
(a) Mitosis occurs after G₀ phase (b) Biocatalysts can be used to exit G₀ phase (c) Cell volume keeps on increasing during […]
A spherical drop of capacitance 1μF is broken into eight drops of equal radius. Then, the capacitance of each small drop is
Options
(a) 1/2μF (b) 1/4μF (c) 1/8μF (d) 8μF
Correct Answer: […]
Charge passing through a conductor of cross-section area A=0.3 m² is given by q=3t²+5t+2 in coulomb, where t is in second. What is the value of drift velocity at t= 2 s?(Given, n=2×10²⁵/m³)
Options […]
A transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns in secondary coil. It is connected to a 220 V main supply and secondary feeds to a 100 kΩ resistance. […]
The half-life of radioactive element is 600 yr. The fraction of sample that would remain after 3000 yr is
Options
(a) (1/2) (b) (1/16) (c) (1/8) (d) (1/32)
Correct Answer:
(1/32)
Explanation:
No […]
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