Match List-I with List-II:
List-I
(Amine)
List-II
\(\textbf{(pK}_{b} ~\textbf{value}) \)
A. Benzenamine  I. 3.38
B. Phenylmethanamine II. 9.38
C. Methenamine  III. 4.70
D. N-Ethylethanamine IV. 3.0
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV 2. A-III, B-II, C-I, D-IV
3. A-II, B-I, C-III, D-IV 4. A-I, B-III, C-II, D-IV

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 69%
Level 2: 60%+
NEET - 2024
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Use of hyper immune horse serum raised against a specific pathogen, given to a recipient is an example of:
1. Natural active immunity
2. Artificial active immunity 
3. Natural passive immunity 
4. Artificial passive immunity
Subtopic:  Active & Passive Immunity |
 66%
Level 2: 60%+
NEET - 2024
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Match List-I with List-II. 
List-I (Material) List-II (Example)
(A) Diamagnet (I) Alnico
(B) Paramagnet (II) Copper
(C) Soft ferromagnet (III) Aluminium
(D) Hard ferromagnet (IV) Gadolinium

Choose the correct answer from the options given below:
1. A-I, B-II, C-III, D-IV 2. A-IV, B-III, C-II, D-I
3. A-III, B-II, C-I, D-IV 4. A-II, B-III, C-IV, D-I
Subtopic:  Magnetic Materials |
 58%
Level 3: 35%-60%
NEET - 2024
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Isotope of an element contains \(19.23 \%\) more neutrons as compared to protons. The correct element along with its mass number is: (Given Atomic number \(\mathrm{Fe: 26, Co: 27}\) )
1. \(\mathrm {^{56}Fe }\) 2. \({ }^{57} \mathrm{Fe}\)
3. \({ }^{57} \mathrm{Co}\) 4. \({ }^{60} \mathrm{Co}\)
Subtopic:  Number of Electron, Proton & Neutron |
 57%
Level 3: 35%-60%
NEET - 2024
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Given below are two statements :
Statement I: When the fitness of one species is significantly lower in the presence of another species, the process is defined as competition.
Statement II: When fungi remain in association with living plants or animals, they are called saprophytes.
In  light of the above statements, choose the correct answer from the options given below :
1. Both Statement I and Statement II are True 
2. Both Statement I and Statement II are False
3. Statement I is True but Statement II is False
4. Statement I is False but Statement II is True
Subtopic:  Population Interactions: Competition | Population Interactions: Commensalism, Protocooperation & Mutualism |
 64%
Level 2: 60%+
NEET - 2024
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The ratio of nuclear densities and nuclear volumes of \(^{56}_{26}Fe\) and \(^{4}_{2}He\) are, respectively:
1. \(13:1\) and \(14:1\) 2. \(14:1\) and \(1:1\)
3. \(1:1\) and \(14:1\) 4. \(1:1\) and \(13:1\)
Subtopic:  Nucleus |
 77%
Level 2: 60%+
NEET - 2024
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For an adiabatic process, the factor which remains constant is: (all the notations have their usual meaning)
1. \(P^{\gamma-1} {~T}^\gamma \)
2. \(T V^{1-\gamma} \)
3. \(V^{\gamma-1} {~T}^ \gamma \)
4. \(P^{1-\gamma} ~{T}^\gamma\)
Subtopic:  Types of Processes |
 69%
Level 2: 60%+
NEET - 2024
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For a smoothly running analog clock, the ratio of the number of rotations made in a day by the hour hand to the second hand, respectively, is:
1. \(24 :1\) 2. \(1:720\)
3. \(1:60\) 4. \(2:5\)
Subtopic:  Circular Motion |
 65%
Level 2: 60%+
NEET - 2024
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Which of the following is not a complex polysaccharide?
1. Inulin 2. Chitin
3. Glucosamine 4. N-acetyl galactosamine
Subtopic:  Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 56%
Level 3: 35%-60%
NEET - 2024
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Match List-I with List-II:
List-I List-II
A. Ribozyme I. Glucose transport 
B.  Lecithin II. Non-proteinaceous enzyme
C.  Glut-4 III. Lipid
D. Vitamins IV. Coenzyme
Choose the correct answer from the options given below : 
1. A-IV, B-III, C-I, D-II 2. A-IV, B-III, C-II, D-I
3. A-II, B-I, C-III, D-IV 4. A-II, B-III, C-I, D-IV
Subtopic:  Proteins | Lipids | Enzymes | Enzyme Cofactors |
 72%
Level 2: 60%+
NEET - 2024
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