NEET Daily Practice Questions 12 December 2024: DPP for 2025 aspirants

NEET Daily Practice Questions 12 December 2024

NEET Daily Practice Questions 12 December 2024: Aspirants preparing for the NEET 2025 shall refer to the below-mentioned NEET Daily Practice Questions 12 December 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 12 December 2024: Daily practice problems for 2025 aspirants

NEET Daily Practice Questions 12 December 2024: Physics

Here are some of the NEET daily practice questions with answers 12 December 2024:

Question 1: A spring of force constant k is cut into lengths of ratio 1:2:3. They are connected in series and the new force constant is k'. Then they are connected in parallel and force constant is k’’. Then k’: k’’ is:

1.  1:9

2.  1:11

3.  1:14

4.  1:6

Answer: (2)

Question 2: The two nearest harmonics of a tube closed at one end and open at the other end are 220 Hz and 260 Hz. What is the fundamental frequency of the system?

1.  20 Hz

2.  30 Hz

3.  40 Hz

4.  10 Hz

Answer: (1)

Question 3: Consider a drop of rainwater having a mass of 1gm falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take 'g' constant with a value 10 m/s2. The work done by the

(i)   gravitational force and the

(ii)   resistive force of air is:

1. (i) 1.25 J (ii) -8.25 J

2. (i) 100 J (ii) 8.75 J

3. (i) 10 J (ii) -8.75 J

4. (i) -10 J (ii) -8.75 J

Answer: (3)

Question 4: A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system:-

1.  Decreases by a factor of 2

2.  Remains the same

3.  Increases by a factor of 2

4. Increases by a factor of 4

Answer: (1)

Question 5: In a common-emitter transistor amplifier, the audio signal voltage across the collector is 3V. The resistance of the collector is 3kΩ. If current gain is 100 and the base resistance is 2kΩ, the voltage and power gain of the amplifier is:

1. 15 and 200

2. 150 and 15000

3. 20 and 2000

4. 200 and 1000

Answer: (2)

NEET Daily Practice Questions 12 December 2024: Chemistry

Here are some of the NEET daily practice questions with answers 12 December 2024:

Question 1: Name the gas that can readily decolorized acidified KMnO4 solution:

1.  SO2

2.  NO2

3.  P2O2

4.  CO2

Answer: (1)

Question 2: The heating of phenyl-methyl ethers with HI produces

1.  lodobenzene

2.  Phenol

3.  Benzene

4. Ethyl chlorides

Answer: (2)

Question 3: Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?

1.  K

2. Rb

3.  Li

4. Na

Answer: (3)

Question 4: The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is:

1.  Chromatography

2.  Crystallization

3.  Steam distillation

4. Sublimation

Answer: (3)

Question 5: An example  of  a sigma bonded organometallic compound is:

1.  Gignard's reagent

2.  Ferrocene

3.  Cobaltocene

4. Ruthenocene

Answer: (1)

NEET Daily Practice Questions 12 December 2024: Biology

Here are some of the NEET daily practice questions with answers 12 December 2024:

Question 1: In a mixture, DNA fragments are separated by-

1. Bioprocess engineering

2. Restriction digestion

3. Electrophoresis

4. Polymerase chain reaction

Answer: (3)

Question 2: Spooling is :-

1.  Amplification of DNA

2.  Cutting of separated DNA bands from the agarose gel

3. Transfer of separated DNA fragments to synthetic membranes

4. Collection of isolated DNA

Answer: (4)

Question 3: Select the correct statement from the following :

1.   Gel electrophoresis is used for the amplification of a DNA segment.

2.   The polymerase enzyme joins the gene of interest and the vector DNA.

3.   Restriction enzyme digestions are performed by incubating purified DNA molecules with the restriction enzymes of optimum conditions.

4.   PCR is used for isolation and separation of genes of interest.

Answer: (3)

Question 4: RNA interference is used for which of the following purposes in the field of biotechnology?

1.  to develop a plant tolerant to abiotic stresses

2.  to develop a pest-resistant plant against infestation by nematode

3.  to enhance the mineral usage by the plant

4. to reduce post-harvest losses

Answer: (2)

Question 5: The laws and rules to prevent unauthorized exploitation of bio-resources are termed as -

1.  Biopatenting

2.  Bioethics

3.  Bioengineering

4. Biopiracy

Answer: (4)