Given below are two statements:
Statement I:
Benzoic acid produces effervescence on treatment with aq. \(\mathrm{NaHCO}_3\)
Statement II:
The effervescence is due to the release of hydrogen gas.
In the light of the above statements, choose the most appropriate answer from the options give below:
1.
Both Statement I and Statement II are correct.
2.
Both Statement I and Statement II are incorrect.
3.
Statement I is correct but Statement II is incorrect.
4.
Statement I is incorrect but Statement II is correct.
Subtopic: Carboxylic Acids: Preparation & Properties |
62%
Level 2: 60%+
NEET - 2024
Hints
The percentage errors in the measurement of mass and momentum of an object are \(1\%\) and \(2\%\) respectively. The percentage error in the measurement of kinetic energy of the object will be:
| 1. | \(1\%\) | 2. | \(3\%\) |
| 3. | \(4\%\) | 4. | \(5\%\) |
Subtopic: Errors |
65%
Level 2: 60%+
NEET - 2024
Hints
In plants, sucrose is converted into two molecules of monosaccharides due to action of invertase and then both enter the glycolytic pathway. Identify the monosaccharides.
| 1. | Glucose and glucose | 2. | Glucose and fructose |
| 3. | Glucose and galactose | 4. | Fructose and galactose |
Subtopic: Glycolysis |
90%
Level 1: 80%+
NEET - 2024
Hints
If \(F=\alpha t^2-\beta t \) is the magnitude of the force acting on a particle at an instant \(t,\) then the time at which the force becomes constant is (where \(\alpha \) and \(\beta \) are constants):
| 1. | \(\dfrac{\beta}{\alpha}\) | 2. | \(\dfrac{\beta}{2\alpha}\) |
| 3. | \(\dfrac{2\beta}{\alpha}\) | 4. | zero |
Subtopic: Differentiation |
67%
Level 2: 60%+
NEET - 2024
Hints
If \(\vec{E}\) and \(\vec{B}\) represent the electric field vector and magnetic field vector, respectively, in an electromagnetic wave then the direction of EM wave is along:
| 1. | \(\vec{E}\) | 2. | \(\vec{B}\) |
| 3. | \(\vec{E}\times\vec{B}\) | 4. | \(\vec{B}\times\vec{E}\) |
Subtopic: Properties of EM Waves |
91%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
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
| Statement I: | Two DNA sequences were prepared corresponding to A and B, chains of human insulin and were introduced in the plasmids of Agrobacterium to produce insulin chain. |
| Statement II: | Chain A and B were produced separately, extracted and combined by creating disulphide bonds to form human insulin. |
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: Med Applications & Humulin |
60%
Level 2: 60%+
NEET - 2024
Hints
Two identical rectangular plane sheet \(A\) and \(B\) each of surface charge density \(\varepsilon_0~ \text{Cm}^{-2}\) are placed parallel to each other as shown in figure. The electric field at the mid point \(P\) will be:
| 1. | \(2 ~\text{NC}^{-1}\) | 2. | \(1~\text{NC}^{-1}\) |
| 3. | \(0.5~\text{NC}^{-1}\) | 4. | zero |
Subtopic: Electric Field |
79%
Level 2: 60%+
NEET - 2024
Hints
Radiation of wavelength \(280~\text{nm}\) is used in an experiment of photoelectric effect with cathode of work function, \(2.5~\text{eV}.\) The maximum kinetic energy of the photoelectrons is:
(take \(h=6.62\times10^{-34}~\text{J s}\) and \(c=3\times10^{8}~\text{ms}^{-1}\))
(take \(h=6.62\times10^{-34}~\text{J s}\) and \(c=3\times10^{8}~\text{ms}^{-1}\))
| 1. | \(4.4~\text{eV}\) | 2. | \(7.103\times10^{-15}~\text{J}\) |
| 3. | \(1.9~\text{eV}\) | 4. | \(4.60~\text{eV}\) |
Subtopic: Einstein's Photoelectric Equation |
75%
Level 2: 60%+
NEET - 2024
Hints
The junction between ovule and funicle is represented by :
| 1. | Nucellus | 2. | Integument |
| 3. | Chalaza | 4. | Hilum |
Subtopic: Pistil: Ovule |
93%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II relating to major features of embryonic development at different timings of pregnancy:
Choose the correct answer from the options given below:
| List-I (No. of weeks) |
List-II (Major features) |
||
| A. | After 4 weeks of pregnancy | I. | Eye-lids separate and eyelashes are formed |
| B. | After 12 weeks of pregnancy | II. | Heart is formed |
| C. | After 24 weeks of pregnancy | III. | Limbs and digits are developed |
| D. | After 8 weeks of pregnancy | IV. | External genital organs are well developed |
| 1. | A-III, B-IV, C-I, D-II | 2. | A-II, B-I, C-III, D-IV |
| 3. | A-II, B-IV, C-I, D-III | 4. | A-III, B-IV, C-II, D-I |
Subtopic: Embryonic Development till Gastrulation | Fetal Development & Parturition |
82%
Level 1: 80%+
NEET - 2024
Hints
© 2026 GoodEd Technologies Pvt. Ltd.