The negatively geotropic roots produced by Rhizophora are called:
1. Pneumatophores
2. Prop roots
3. Stilt roots
4. Storage roots
Subtopic: Modification of Roots |
92%
From NCERT
NEET - 2024
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The graph which 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%
From NCERT
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%
From NCERT
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 |
89%
From NCERT
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%
From NCERT
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%
From NCERT
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 |
65%
From NCERT
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: Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
82%
From NCERT
NEET - 2024
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Match List-I with List-II (the symbols carry their usual meaning).
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | \( \oint \vec{E} \cdot d \vec{A}=\dfrac{Q}{\varepsilon_0}\) | I. | Ampere-Maxwell's law |
| B. | \( \oint \vec{B} \cdot d \vec{A}=0 \) | II. | Faraday's law |
| C. | \( \oint \vec{E} \cdot d\vec{ l}=\dfrac{-d(\phi)}{d t} \) | III. | Gauss's law of electrostatics |
| D. | \( \oint \vec{B} \cdot d\vec{l}=\mu_0 i_c+ \mu_0 \varepsilon_0 \dfrac{d\left(\phi_E\right)}{d t}\) | IV. | Gauss's law of magnetism |
| 1. | A-III, B-IV, C-II, D-I | 2. | A-IV, B-III, C-II, D-I |
| 3. | A-III, B-II, C-IV, D-I | 4. | A-IV, B-I, C-III, D-II |
Subtopic: Maxwell's Equations |
83%
From NCERT
NEET - 2024
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Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A | C4 Pathway | I. | \(2\text{H}_2\text{O}\rightarrow4\text{H}^++\text{O}_2=4\text{e}^-\) |
| B. | Light reaction | II. | Ribulose 1,5-bisphosphate |
| C. | Photorespiration | III. | -carbon molecule phosphoenol |
| D. | Calvin cycle | IV. | Phosphoglycolate |
| 1. | A-II, B-I, C-IV, D-III |
| 2. | A-IV, B-II, C-I, D-III |
| 3. | A-III, B-I, C-IV, D-II |
| 4. | A-III, B-IV, C-II, D-I |
Subtopic: Photosystems | Dark Reaction : Calvin Cycle | C4 Cycle (Hatch & Slack Pathway) | Photorespiration |
81%
From NCERT
NEET - 2024
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