The least basic compounds/species among the following is:
1. 2.
3. 4.

Subtopic:  Amines - Preparation & Properties |
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NEET - 2023
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Given below are two statements:
I: The nose contains mucus-coated receptors which are specialised for receiving the sense of smell are called olfactory receptors.
II: Wall of the eyeball has three layers. The external layer is called choroid (dense connective tissue), middle layer is sclera (thin pigmented layer) and internal layer is retina (ganglion cells, bipolar cells and photoreceptor cells)
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
From NCERT
NEET - 2023
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Which one of the following acts as an inducer for lac operon?
1.Sucrose2.Lactose
3.Glucose4.Galactose
Subtopic:  Gene Regulation: Lac Operon |
 91%
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NEET - 2023
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According to Gauss's law in electrostatics, the electric flux through a closed surface depends on:

1. the area of the surface
2. the quantity of charges enclosed by the surface
3. the shape of the surface
4. the volume enclosed by the surface
Subtopic:  Gauss's Law |
 84%
From NCERT
NEET - 2023
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The \(E^{\ominus}\) values for 
\(\begin{aligned} & \mathrm{Al}^+ / \mathrm{Al}=+0.55 \mathrm{~V} \text { and } \mathrm{Tl}^{+} / \mathrm{Tl}=-0.34 \mathrm{~V} \\ & \mathrm{Al}^{3+} / \mathrm{Al}=-1.66 \mathrm{~V} \text { and } \mathrm{Tl}^{3+} / \mathrm{Tl}=+1.26 \mathrm{~V} \end{aligned} \)
The incorrect statement among the following is:

1. Al is more electropositive than TI.
2. Tl3+ is a good reducing agent than Tl1+.
3. Al+ is unstable in solution. 
4. Tl can be easily oxidized to Tl+ as compared to Tl3+​​​​​​.
Subtopic:  Boron Family- Preparations, Properties & Uses |
 66%
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NEET - 2023
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A ball is projected from point \(A\) with velocity \(20\) ms–1 at an angle \(60^\circ\) to the horizontal direction. At the highest point \(B\) of the path (as shown in figure), the velocity \(v\) (in ms–1) of the ball will be:
1. \(20\) 2. \(10\sqrt3\)
3. zero 4. \(10\)
Subtopic:  Projectile Motion |
 70%
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NEET - 2023
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Match List - I with List - II
List-I List-II
(A) Deforestation (I) Responsible for heating of Earth's surface and atmosphere
(B) Reforesation (II) Conversion of forested areas to non-forested areas
(C) Green-house effect (III) Natural ageing of lake by nutrient enrichment of its water
(D) Eutrophication (IV) Process of restoring a forest that once existed but was removed
Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. IV III II I
2. I II III IV
3. III I II IV
4. II IV I III
Subtopic:  Green House Effect & Global Warming | Resource Utilisation & Maintenance | Water Pollution |
 84%
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NEET - 2023
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Diacetyl morphine is also called as:
1.Amphetamine2.Barbiturate
3.Crack4.Smack
Subtopic:  Drugs & Alcohol Abuse |
 84%
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NEET - 2023
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Which of the following statements is not true?
1. The coefficient of viscosity is a scalar quantity.
2. Surface tension is a scalar quantity.
3. Pressure is a vector quantity.
4. Relative density is a scalar quantity.
Subtopic:  Pressure |
 72%
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NEET - 2023
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The correct order of dipole moments for molecules \(NH_3, H_2S , CH_4 \) and \(HF\) is : 
1. \(CH_4>H_2S>NH_3>HF \)   
2. \(H_2S>NH_3>HF>CH_4 \)
3. \(NH_3>HF>CH_4>H_2~S \)
4. \(HF>NH_3>H_2S>CH_4\)
Subtopic:  Polarity |
 67%
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