Subtopic: Nucleus: Chromosomes |
80%
NEET - 2024
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A conducting circular loop of face area \(2.5 \times 10^{-3}~\text{m}^2\) is placed perpendicular to a magnetic field which varies as \(B=0.5\sin(100 \pi t)~\text{T}\). The magnitude of induced emf at time \(t= 0~\text{s}\) is:
1. \(0.125 \pi~ \text{mV}\)
2. \(125 \pi ~\text{mV}\)
3. \(125 \pi~\text{V}\)
4. \(12.5 \pi~\text{mV}\)
1. \(0.125 \pi~ \text{mV}\)
2. \(125 \pi ~\text{mV}\)
3. \(125 \pi~\text{V}\)
4. \(12.5 \pi~\text{mV}\)
Subtopic: Faraday's Law & Lenz Law |
65%
From NCERT
NEET - 2024
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Which of the following represents the female gametophyte?
1. Ovule
2. Embryo sac
3. Nucellus
4. Endosperm
1. Ovule
2. Embryo sac
3. Nucellus
4. Endosperm
Subtopic: Pistil: Ovule |
79%
From NCERT
NEET - 2024
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Molar mass of a compound \(\text{(X)}\) whose \(2.6 \mathrm{~mol}\) weighs \(312 \mathrm{~g}\) is:
1. \(312 \mathrm{~g} \mathrm{~mol}^{-1}\)
2. \(120 \mathrm{~g} \mathrm{~mol}^{-1}\)
3. \(60 \mathrm{~g} \mathrm{~mol}^{-1}\)
4. \(811.2 \mathrm{~g} \mathrm{~mol}^{-1}\)
1. \(312 \mathrm{~g} \mathrm{~mol}^{-1}\)
2. \(120 \mathrm{~g} \mathrm{~mol}^{-1}\)
3. \(60 \mathrm{~g} \mathrm{~mol}^{-1}\)
4. \(811.2 \mathrm{~g} \mathrm{~mol}^{-1}\)
Subtopic: Empirical & Molecular Formula |
84%
From NCERT
NEET - 2024
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The pressure experienced by a swimmer \(20~\text{m}\) below the water surface in a lake is appropriately
[Given density of water = \(10^3 ~\text{kgm}^{-3}, g=10 ~\text{ms}^{-2} \) and \(1~\text{atm} = 10^5~\text{Pa}\)]:
1. \(1~\text{atm}\)
2. \(2~\text{atm}\)
3. \(3~\text{atm}\)
4. \(4~\text{atm}\)
[Given density of water = \(10^3 ~\text{kgm}^{-3}, g=10 ~\text{ms}^{-2} \) and \(1~\text{atm} = 10^5~\text{Pa}\)]:
1. \(1~\text{atm}\)
2. \(2~\text{atm}\)
3. \(3~\text{atm}\)
4. \(4~\text{atm}\)
Subtopic: Pressure |
61%
From NCERT
NEET - 2024
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Arrange the following in the order of their resistance.
Choose the correct answer from the options given below:
1. A > B > C > D
2. D > C > B > A
3. D > A > B > C
4. C > B > A > D
| A. | (\(0\) to \(1~\text A\)) ranged ammeter. |
| B. | (\(0\) to \(100~\text {mA}\)) ranged milli-ammeter. |
| C. | (\(0\) to \(500~\mu\text A\)) ranged micro-ammeter. |
| D. | (\(0\) to \(100~\text V\)) ranged voltmeter. |
1. A > B > C > D
2. D > C > B > A
3. D > A > B > C
4. C > B > A > D
Subtopic: Derivation of Ohm's Law |
53%
From NCERT
NEET - 2024
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | In honey bee population, sons do not have fathers but have grandfathers. |
| Reason (R): | Haploidy in drones of honey bee is due to parthenogenesis while fertilisation results into female bees. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Sex Determination |
66%
From NCERT
NEET - 2024
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A vernier calipers has \(1~\text{mm}\) marks on the main scale. It has \(20\) equal divisions on the vernier scale which match with \(16\) main scale divisions. The least count of this vernier calipers is:
1. \(0.02~\text{mm}\)
2. \(0.05~\text{mm}\)
3. \(0.10~\text{mm}\)
4. \(0.20~\text{mm}\)
1. \(0.02~\text{mm}\)
2. \(0.05~\text{mm}\)
3. \(0.10~\text{mm}\)
4. \(0.20~\text{mm}\)
Subtopic: Measurement & Measuring Devices |
65%
From NCERT
NEET - 2024
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Which of the following is not a selectable marker of cloning vectors?
1. Ampicillin
2. Metformin
3. Chloramphenicol
4. Tetracycline
1. Ampicillin
2. Metformin
3. Chloramphenicol
4. Tetracycline
Subtopic: Cloning Vector |
90%
From NCERT
NEET - 2024
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In standard ECG diagram, the P-wave represents:
1. Depolarisation of the atria
2. Repolarisation of the ventricle
3. Depolarisation of the ventricle
4. End of systole
1. Depolarisation of the atria
2. Repolarisation of the ventricle
3. Depolarisation of the ventricle
4. End of systole
Subtopic: ECG & Coronary Artery Disease |
90%
From NCERT
NEET - 2024
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