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 |
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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
1. Fish to Amphibia
2. Amphibia to Reptilia
3. Reptilia to Bird
4. Reptilia to Mammal
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
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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 |
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NEET - 2024
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The graph which shows the correct variation of \(\large\frac{1}{v}\) with \(\large\frac{1}{u}\) 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 |
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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 |
80%
NEET - 2024
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Consider the reaction in equilibrium
\(\mathrm{PCl}_5=\mathrm{PCl}_3+\mathrm{Cl}_2\)
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 \(500 \mathrm{~K} .\) 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 |
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NEET - 2024
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The correct input \((A,B)\) - output \((Y)\) combination for the given circuit is:
1. \(A=1,B=1,Y=1\)
2. \(A=0,B=1,Y=1\)
3. \(A=1,B=0,Y=0\)
4. \(A=0,B=0,Y=1\)
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 |
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NEET - 2024
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A wire of length \(L\) and radius \(r(r<<L)\) 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 (Surface tension of liquid is \(T\)):
1. \(\sqrt { \frac{T}{\rho g}}\)
2. \(\sqrt { \frac{2T}{\rho g}}\)
3. \(\sqrt{\frac{2T\rho}{\pi g}}\)
4. \(\sqrt{\frac{2T} {\pi \rho g}}\)
1. \(\sqrt { \frac{T}{\rho g}}\)
2. \(\sqrt { \frac{2T}{\rho g}}\)
3. \(\sqrt{\frac{2T\rho}{\pi g}}\)
4. \(\sqrt{\frac{2T} {\pi \rho g}}\)
Subtopic: Surface Tension |
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NEET - 2024
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A rocket is fired vertically upward with a speed of \(\large\frac{v_e}{\sqrt2}\) 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 radius of earth \(=6400~\text{km}\) ) :
1. \(1600~\text{km}\)
2. \(3200~\text{km}\)
3. \(6400~\text{km}\)
4. \(12800~\text{km}\)
1. \(1600~\text{km}\)
2. \(3200~\text{km}\)
3. \(6400~\text{km}\)
4. \(12800~\text{km}\)
Subtopic: Escape velocity |
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NEET - 2024
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Phenanthrene is an aromatic compound and follows Huckel's \((4 n+2) \pi\) electron rule. The value of \(n\) is:
1. 0
2. 1
3. 2
4. 3
1. 0
2. 1
3. 2
4. 3
Subtopic: Aromaticity & Polarity |
80%
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NEET - 2024
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