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
Subtopic: Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
81%
Level 1: 80%+
NEET - 2024
Hints
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 | ||
| \(\mathrm{(A)}\) | \( \oint \vec{E} \cdot d \vec{A}=\dfrac{Q}{\varepsilon_0}\) | \(\mathrm{(I)}\) | Ampere-Maxwell's law |
| \(\mathrm{(B)}\) | \( \oint \vec{B} \cdot d \vec{A}=0 \) | \(\mathrm{(II)}\) | Faraday's law |
| \(\mathrm{(C)}\) | \( \oint \vec{E} \cdot d\vec{ l}=\dfrac{-d(\phi)}{d t} \) | \(\mathrm{(III)}\) | Gauss's law of electrostatics |
| \(\mathrm{(D)}\) | \( \oint \vec{B} \cdot d\vec{l}=\mu_0 i_c+ \mu_0 \varepsilon_0 \dfrac{d\left(\phi_E\right)}{d t}\) | \(\mathrm{(IV)}\) | Gauss's law of magnetism |
Choose the correct answer from the options given below:
| 1. | \(\mathrm{A-III, B-IV, C-II, D-I} \) |
| 2. | \(\mathrm{A-IV, B-III, C-II, D-I} \) |
| 3. | \(\mathrm{A-III, B-II, C-IV, D-I} \) |
| 4. | \(\mathrm{A-IV, B-I, C-III, D-II} \) |
Subtopic: Maxwell's Equations |
82%
Level 1: 80%+
NEET - 2024
Hints
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. | 3-carbon molecule, phosphoenol pyruvate |
| 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 |
77%
Level 2: 60%+
NEET - 2024
Hints
An ideal gas at \(0^{\circ}\text{C}\) and atmospheric pressure \(P\) has volume \(V.\) The percentage increase in its temperature needed to expand it to \(3V\) at constant pressure is:
| 1. | \(100\%\) | 2. | \(200\%\) |
| 3. | \(300\%\) | 4. | \(50\%\) |
Subtopic: Ideal Gas Equation |
69%
Level 2: 60%+
NEET - 2024
Hints
Arrange the following hydrides in the order of decreasing bond angle:
A. \( \mathrm{SbH}_3 \)
B. \( \mathrm{AsH}_3 \)
C. \(\mathrm{PH}_3 \)
D. \( \mathrm{NH}_3\)
Choose the correct answer from the options given below:
A. \( \mathrm{SbH}_3 \)
B. \( \mathrm{AsH}_3 \)
C. \(\mathrm{PH}_3 \)
D. \( \mathrm{NH}_3\)
Choose the correct answer from the options given below:
| 1. | B > A > D > C | 2. | B > A > C > D |
| 3. | D > C > B > A | 4. | A > C > B > D |
Subtopic: V.S.E.P.R & V.B.T |
79%
Level 2: 60%+
NEET - 2024
Hints
Match List- I with List- II.
Choose the correct answer from the options given below:
| List-I (Measured values) |
List-II (Significant figures) |
||
| \(\mathrm{(A)}\) | \(0.001213\) | \(\mathrm{(I)}\) | \(2\) |
| \(\mathrm{(B)}\) | \(2.1 \times 10^{16} \) | \(\mathrm{(II)}\) | \(3\) |
| \(\mathrm{(C)}\) | \(3.70\) | \(\mathrm{(III)}\) | \(1\) |
| \(\mathrm{(D)}\) | \(3000\) | \(\mathrm{(IV)}\) | \(4\) |
| 1. | \(\small{\mathrm{A-III, B-II, C-I, D-IV}}\) | 2. | \(\small{\mathrm{A-III, B-I, C-II, D-IV}}\) |
| 3. | \(\small{\mathrm{A-I, B-II, C-IV, D-III}}\) | 4. | \(\small{\mathrm{A-IV, B-I, C-II, D-III}}\) |
Subtopic: Significant Figures |
85%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Emphysema | I. | Proliferation of fibrous tissues |
| B. | Asbestosis | II. | Alveolar walls are damaged and respiratory surface is decreased |
| C. | Asthma | III. | Serious lung damage |
| D. | Fibrosis | IV. | Difficulty in breathing due to inflammation of bronchi and bronchioles |
| 1. | A-I, B-III, C-IV, D-II | 2. | A-II, B-III, C-IV, D-I |
| 3. | A-IV, B-III, C-II, D-I | 4. | A-I, B-II, C-IV, D-III |
Subtopic: Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 | Respiratory Disorders - III |
87%
Level 1: 80%+
NEET - 2024
Hints
Cell wall formation in bacteria is facilitated by:
| 1. | Ribosomes | 2. | Mesosomes |
| 3. | Golgi Apparatus | 4. | Centrosomes |
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
88%
Level 1: 80%+
NEET - 2024
Hints
A particle of mass \(m\) and charge \(q\) is placed in a uniform electric field \(E\) at \(t=0~\text s.\) The kinetic energy of the particle after time \(t\) is:
| 1. | \(\dfrac{Eqm}{t}\) | 2. | \(\dfrac{E^2q^2t^2}{2m}\) |
| 3. | \(\dfrac{2E^2t^2}{qm}\) | 4. | \(\dfrac{Eq^2m}{2t^2}\) |
Subtopic: Electric Field |
83%
Level 1: 80%+
NEET - 2024
Hints
A cross between tall plants was made resulting in offspring of tall and dwarf plants with ratio 3 : 1. The genotype(s) of both parents are:
1. TT and TT
2. Tt and tt
3. Tt and Tt
4. tt and tt
1. TT and TT
2. Tt and tt
3. Tt and Tt
4. tt and tt
Subtopic: Monohybrid Cross: 1 | Monohybrid Cross: Further Understanding |
77%
Level 2: 60%+
NEET - 2024
Hints
© 2026 GoodEd Technologies Pvt. Ltd.