A nucleus of mass number 220, initially at rest, emits an α-particle. If the Q-value of the reaction is 5.5 MeV, then the energy of the emitted α-particle will be
Options
(a) 4.8 […]
The juxtaglomerular apparatus is a special region formed by close placement and cellular modifications in
Options
(a) proximal convoluted tubule and distal convoluted tubule (b) loop of Henle and collecting duct (c) afferent […]
The peritubular capillaries of the nephron arise from the
Options
(a) afferent arteriole (b) efferent arteriole (c) renal artery (d) arcuate artery
Correct Answer:
efferent arteriole
Explanation:
No explanation available. Be the first […]
Yeast cell can progress through the cell cycle in about
Options
(a) 30 minutes (b) 60 minutes (c) 90 minutes (d) 120 minutes
Correct Answer:
90 minutes
Explanation:
No explanation available. Be the […]
Melting of DNA at 70° C is due to breakdown of
Options
(a) Phosphodiester bonds (b) Hydrogen bonds (c) Glycosidic bonds (d) Disulphide bonds
Correct Answer:
Hydrogen bonds
Explanation:
No explanation available. Be […]
Force generated by transpiration can create pressure sufficient to lift water even up to the height of
Options
(a) 130 feet (b) 130 metre (c) 230 feet (d) 230 metre
Correct Answer:
130 […]
Two capacitors 3μF and 4μF, are individually charged across a 6 V battery. After being disconnected from the battery, they are connected together with the negative plate of one attached to the positive plate of […]
In a parallel plate capacitor with plate area A and charge Q, the force on one plate because of the charge on the other is equal to
Options
(a) Q²/ε₀A² (b) Q²/2ε₀A² (c) Q²/ε₀A […]
The electric field in a certain region is given by E=5i ̂-3ĵ kV/m. The potential difference Vв-Vᴀ between points A and B, having coordinates (4,0,3)m and (10,3,0)m respectively, is equal to
Options
(a) […]
A rod lies along the X-axis with one end at the origin and the other at x→∞. It carries a uniform charge λCm⁻¹. The electric field at the point x=-a on the axis will be […]
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