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:
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
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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
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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
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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
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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
Match List-I (Spectral Series) with List-II (corresponding wave number expressions).
Choose the correct answer from the options given below:
| List-I (Series) |
List-II (Wave number in \(\text{cm}^{–1}\)) |
||
| A. | Balmer series | I. | \( R\left(\dfrac{1}{1^2}-\dfrac{1}{n^2}\right) \) |
| B. | Lyman series | II. | \( R\left(\dfrac{1}{4^2}-\dfrac{1}{n^2}\right) \) |
| C. | Brackett series | III. | \( R\left(\dfrac{1}{5^2}-\dfrac{1}{n^2}\right) \) |
| D. | Pfund series | IV. | \( R\left(\dfrac{1}{2^2}-\dfrac{1}{n^2}\right)\) |
Choose the correct answer from the options given below:
| 1. | A-I, B-IV, C-III, D-II |
| 2. | A-II, B-III, C-IV, D-I |
| 3. | A-IV, B-I, C-II, D-III |
| 4. | A-III, B-II, C-I, D-IV |
Subtopic: Spectral Series |
86%
Level 1: 80%+
NEET - 2024
Hints
Which of the following group of animals have three chambered heart?
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
Subtopic: Study of Amphibians | Study of Reptilia |
67%
Level 2: 60%+
NEET - 2024
Hints
The asexual spores of deuteromycetes are:
| 1. | Aplanospores | 2. | Conidia |
| 3. | Zoospores | 4. | Basidiospores |
Subtopic: Kingdom Fungi: Deuteromycetes |
78%
Level 2: 60%+
NEET - 2024
Hints
There are two heaters \(A\) and \(B.\) The heater \(A\) takes time \(t_1\) to boil a given quantity of water, while \(B\) takes time \(t_2\) to boil the same quantity of water across the same supply voltage. If the two heaters are connected in series, the time taken by this combination to boil the same quantity of water will be:
| 1. | \(\large\dfrac{t_1t_2}{t_1+t_2}\) | 2. | \(t_1+t_2\) |
| 3. | \({\large\dfrac12}(t_1+t_2)\) | 4. | \(\large\dfrac{t_1t_2}{2(t_1+t_2)}\) |
Subtopic: Heating Effects of Current |
58%
Level 3: 35%-60%
NEET - 2024
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