NEET Daily Practice Questions 21 November 2024: DPP for 2025 aspirants

NEET Daily Practice Questions 21 November 2024: Aspirants preparing for the NEET 2025 shall refer to the below-mentioned NEET Daily Practice Questions 21 November 2024. These questions cover important topics from subjects like physics, chemistry, and biology. They can analyze their strengths and weaknesses in a particular subject by working through these questions and reviewing the answers. It can help them to perform better in the upcoming NEET 2025 exam.

Also Read | JEE Main DPP 21 November 2024: Daily practice problems for 2025 aspirants

NEET Daily Practice Questions 21 November 2024: Physics

Here are some of the NEET daily practice questions with answers 21 November 2024:

Question 1: If i is the angle of incidence and i′  is the angle of emergence on a prism, then the relation between i and i′ to obtain an angle of minimum deviation is:

1.  i = i′

2.  i > i′

3.  i < i′

4. i = 0

Answer: (1)

Question 2: Given below are two statements.One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: A glass tube partially filled with water represents an open organ pipe.

Reason R: The open end corresponds to an antinode and the end is contact with water, to a node.

1.  Both A and R are true and R is the correct explanation of A.

2.  Both A and R are true and R is not the correct explanation of A.

3. A is true but R is false.

4. A is false but R is true.

Answer: (1)

Question 3: An ideal gas at 0∘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%

 Answer: (2)

Question 4: Given below are two statements:

Statement I: The de Brogile wavelength associated with a material particle depends on its charge and nature.

Statement II: The wave nature of particles in the sub-atomic domain is significant and measurable.

In the light of the above statements, choose the most appropriate answer from the options given 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

Answer: (4)

Question 5: A Solar cell  is a :

 1. forward biased  Zener diode

2. Type of light-emitting diode 

3. Diode working on the principle of photo-voltaic effect.

4. Type of photo diode with external biasing

Answer: (3)

NEET Daily Practice Questions 21 November 2024: Chemistry

Here are some of the NEET daily practice questions with answers 21 November 2024:

Question 1: Effective collisions are known to possess: 

A: energy greater than threshold energy

B: breaking of old bond in reactant

C: formation of new bond in product

D: high activation energy

E: proper orientation 

Choose the correct answer from the options given below:

1. A, B, C, D only

2. A, B, C, E only

3. A, C, D, E only

4. B, C, D, E only

Answer: (2)

Question 2: CCl2F2is one of the most common haloalkanes used in industries. The reaction through which it is manufactured from tetrachloromethane is called:

1.  Finkelstein reaction

2.  Sandmeyer's reaction

3.  Swarts reaction

4.  Wurtz-Fittig reaction

Answer: (3)

Question 3: Given below are two statements:

Statement I: Benzendiazonium chloride is a colourless crystalline solid. It is insoluble in water but reacts with water when warmed

Statement II: Benzendiazonium chloride on reacting with HCI in presence of copper powder gives chlorobenzene as the product. This is an example of the Gatterman reaction.

In the light of the above statements, choose the most appropriate answer from the options given 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

Answer: (1)

Question 4: Identify the Incorrect statement:

1. Carbon has the tendency to form chains and rings with itself

2. Silicon and Germenium are useful in semiconductor industry

3. Boran trifluoride is a strong lewis acid

4. Common oxidation states of group 14 elements are +1 and +3

 Answer: (4)

Question 5: The enthalpy of combustion of carbon to carbon dioxide is −390.0 kJ mol−1. The amount of heat released when 35.0 g of CO2 is formed from the reaction of carbon and dioxygen gas, is:

1. 310 kJ

2. 490 kJ

3. 245 kJ

4. 700 kJ

Answer: (1)

NEET Daily Practice Questions 21 November 2024: Biology

Here are some of the NEET daily practice questions with answers 21 November 2024:

Question 1: Which of the following pairs represents free living nitrogen fixing aerobic bacteria?

1.  Rhizobium and Frankia

2.  Azotobacter and Beijernickia

3.  Anabaena and Rhodospirillum

4.  Pseudomonas and Thiobacillus

Answer: (2)

Question 2: Primary proteins are also called as polypeptides because :

1.  They are linear chains

2.  They are polymers of peptide monomers

3.  Successive amino acids are joined by peptide bonds

4.  They can assume many conformations

Answer: (3)

Question 3: Which of the following can be expected if scientists succeed in introducing apomictic genes into hybrid varieties of crops ?

1. Polyembryony will be seen and each seed will produce many plantlets

2. Seeds of hybrid plants will show longer dormancy

3. Farmers can keep on using the seeds produced by the hybrids to raise new crop year after year

4. There will be segregation of the desired characters only in the progeny

Answer: (3)

Question 4: Read the following statements and identify the characters related to the alga shown in the diagram:

(a) It is a member of Chlorophyceae

(b) Food is stored in the form of starch

(c) It is a monoecious plant showing oogonium and antheridium

(d) Food is stored in the form of laminarin or mannitol

(e) It shows dominance of pigments chlorophyll a, c and Fucoxanthin.

Choose the correct answer from the options given below

1.  (a) and (b) only

2.  (a), (b) and (c) only

3.  (a), (c) and (d) only

4.  (c), (d) and (e) only

 Answer: (2)

Question 5: Which type of substance would face difficulty to pass through the cell membrane?

1.  Substance with hydrophobic moiety

2.  Substance with hydrophilic moiety

3.   All substance irrespective of hydrophobic and hydrophilic moiety

4.  Substance soluble in lipids

Answer: (2)

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