Enzyme catalyse is seen in
Options
(a) lysosome (b) spherosome (c) peroxisome (d) All of these
Correct Answer:
peroxisome
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
For a spontaneous process the correct statement is
Options
(a) entropy of the system always increases (b) free energy of the system always increases (c) total entropy change is always negative (d) total entropy […]
A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown. The metal X has a higher coefficient of expansion compared to that for metal Y. When the […]
Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C. These objects are thrown into a furnace where each of them attains a temperature of 2000⁰C. Which object will glow brightest?
40 mL of 0.1 M ammonia solution is mixed with 20 mL of 0.1 M HCl. What is the pH of the mixture? ( pKb of ammonia solution is 4.74)
Options
(a) 4.74 […]
The moment of inertia of a rod about an axis through its centre and perpendicular to it is 1/12 ML² (where M is the mass and L, the length of the rod). The rod is […]
The incorrect statement among the following is
Options
(a) C₆₀ is an allotropic form of carbon (b) O₃ is an allotropic form of oxygen (c) S₈ is only allotropic form of sulphur (d) […]
The ligands in anticancer drug cis-platin are
Options
(a) NH₃,Cl (b) NH₃,H₂O (c) Cl,H₂O (d) NO,Cl
Correct Answer:
NH₃,Cl
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal bone. If the half-life time of ¹⁴C is 5730 years, then the age of the fossil bone is
₉₂U²³⁴ has 92 protons and 238 nucleons. It decays by emitting an alpha particle and becomes
Options
(a) ₉₂U²³⁴ (b) ₉₀Th²³⁴ (c) ₉₂U²³⁵ (d) ₉₃Np²³⁷
Correct Answer:
₉₀Th²³⁴
Explanation:
Emission of alpha particle, decreases […]
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