Which one of the following molecules is paramagnetic?
1. \(\mathrm{H}_2\)
2. \(\mathrm{Li}_2\)
3. \(\mathrm{C_2}\)
4. \(\mathrm{O}_2\)
Subtopic: M.O.T |
85%
Level 1: 80%+
NEET - 2024
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The value of \(R\) in the given circuit when there is no current in the \(5 ~\Omega\) resistor is:
| 1. | \(12~\Omega\) | 2. | \(9~ \Omega\) |
| 3. | \(3~ \Omega\) | 4. | \(2~ \Omega\) |
Subtopic: Wheatstone Bridge |
87%
Level 1: 80%+
NEET - 2024
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The animal coelacanth caught in South Africa is an example of vertebrate transition from:
| 1. | Fish to Amphibia | 2. | Amphibia to Reptilia |
| 3. | Reptilia to Bird | 4. | Reptilia to Mammal |
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
69%
Level 2: 60%+
NEET - 2024
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The negatively geotropic roots produced by Rhizophora are called:
1. Pneumatophores
2. Prop roots
3. Stilt roots
4. Storage roots
1. Pneumatophores
2. Prop roots
3. Stilt roots
4. Storage roots
Subtopic: Modification of Roots |
91%
Level 1: 80%+
NEET - 2024
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The graph that shows the correct variation of \(\dfrac{1}{v}\) with \(\dfrac{1}{u}\) for a concave mirror, where \(u\) is the object distance and \(v\) is the image distance, is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Reflection at Spherical Surface |
53%
Level 3: 35%-60%
NEET - 2024
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Identify the correct statements about genetic codons.
A. AUG is initiator codon and codes for Glycine
B. UAA codes for Tyrosine
C. The codons are mostly universal
D. UAG is terminator codon
E. More than one codon code for single amino acid
A. AUG is initiator codon and codes for Glycine
B. UAA codes for Tyrosine
C. The codons are mostly universal
D. UAG is terminator codon
E. More than one codon code for single amino acid
| 1. | C, B, D | 2. | A, D, E |
| 3. | C, D, E | 4. | A, B, C |
Subtopic: Genetic Code |
79%
Level 2: 60%+
NEET - 2024
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456731
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Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456731
Consider the given reaction:
\(\mathrm{PCl}_5=\mathrm{PCl}_3+\mathrm{Cl}_2\)
At equilibrium at \(500 \mathrm{~K},\) the concentration of \(\mathrm{PCl}_5=1.40~ \mathrm{M} \text {, }\) concentration of \(\mathrm{Cl}_2=1.60~ \mathrm{M} \text {, }\) concentration of \(\mathrm{PCl}_3=1.60 \mathrm{M}\). Calculate \(K_c\):
1. 2.00
2. 2.6
3. 1.83
4. 3.4
\(\mathrm{PCl}_5=\mathrm{PCl}_3+\mathrm{Cl}_2\)
At equilibrium at \(500 \mathrm{~K},\) the concentration of \(\mathrm{PCl}_5=1.40~ \mathrm{M} \text {, }\) concentration of \(\mathrm{Cl}_2=1.60~ \mathrm{M} \text {, }\) concentration of \(\mathrm{PCl}_3=1.60 \mathrm{M}\). Calculate \(K_c\):
1. 2.00
2. 2.6
3. 1.83
4. 3.4
Subtopic: Kp, Kc & Factors Affecting them |
89%
Level 1: 80%+
NEET - 2024
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Which input \((A,B)-\)output \((Y)\) combination correctly represents the given logic circuit?
| 1. | \(A=1,B=1,Y=1\) |
| 2. | \(A=0,B=1,Y=1\) |
| 3. | \(A=1,B=0,Y=0\) |
| 4. | \(A=0,B=0,Y=1\) |
Subtopic: Logic gates |
59%
Level 3: 35%-60%
NEET - 2024
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A wire of length \(L\) and radius \(r(r\ll L)\) is kept floating on the surface of a liquid of density \(\rho.\) The maximum radius of the wire for which it may not sink is:
(the surface tension of liquid is \(T\))
(the surface tension of liquid is \(T\))
| 1. | \(\sqrt { \dfrac{T}{\rho g}}\) | 2. | \(\sqrt { \dfrac{2T}{\rho g}}\) |
| 3. | \(\sqrt{\dfrac{2T\rho}{\pi g}}\) | 4. | \(\sqrt{\dfrac{2T} {\pi \rho g}}\) |
Subtopic: Surface Tension |
61%
Level 2: 60%+
NEET - 2024
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A rocket is fired vertically upward with a speed of \(\dfrac{v_e}{\sqrt2}\) from the Earth's surface, where \(v_e\) is escape velocity on the surface of Earth. The distance from the surface of Earth upto which the rocket can go before returning to the Earth is:
(given, the radius of Earth \(=6400~\text{km}\) )
1. \(1600~\text{km}\)
2. \(3200~\text{km}\)
3. \(6400~\text{km}\)
4. \(12800~\text{km}\)
(given, the radius of Earth \(=6400~\text{km}\) )
1. \(1600~\text{km}\)
2. \(3200~\text{km}\)
3. \(6400~\text{km}\)
4. \(12800~\text{km}\)
Subtopic: Escape velocity |
66%
Level 2: 60%+
NEET - 2024
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