NEET Free Practice Question Paper 2

Test yourselves with a set of 5 questions across each subjects. Take a piece of paper and write the answer to all the questions. Once it is done, check the answers at the bottom of the page.

For each correct answer add 4, and for each wrong answer subtract 1. Comment your score in the comments section. Share this free question paper with your friends and help them clear the NEET exam.

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Index

1. Physics Questions

2. Chemistry Questions

3. Biology Questions

4. Physics Answers

5. Chemistry Answers

6. Biology Answers

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Section - Physics

1. A certain amount of heat energy is supplied to a monatomic ideal gas which expands at constant pressure. What fraction of the heat energy is converted into work ? (a) 1/2 (b) 2/3 (c) 2/5 (d) 3/4
   

2. The stationary wave u = -2a sin kx cos ωt in a closed organ pipe is the result of superposition of y = a sin (ωt - kx) and: (a) y = a sin(ωt + kx) (b) y = a cos(ωt - kx) (c) y = -a sin(ωt + kx) (d) y = -a sin(ωt - kx)
   

3. Two cells of the same emf E and different internal resistances r₁ and r₂ are connected in series to an external resistance R. The value of R for which the potential difference across the first cells is zero is given by: (a) r₁ (b) r₂ (c) r₁ - r₂ (d) r₁ + r₂
   

4. In the equation P = (a - γbx) where P is the pressure, x is the distance and t is the time, the dimensions of a/b are: (a) [MLT⁻¹] (b) [M²LT⁻³] (c) [LT⁻²] (d) [MT⁻²]
   

5. A simple telescope consisting of an objective of focal length 50 cm and a single eye lens of focal length 5 cm is focussed on a distant object in such a way that parallel rays emerge from the eyepieces. If the object subtends an angle of 5° at the objective, the angular width of the image will be: (1) 5° (2) 50° (3) 10° (4) none of these

Section - Chemistry

1. The highest bond order present in : (a) O₂ (b) O₂⁺ (c) O₂⁻ (d) N₂
   

2. 0.04 M solution of Na2SO4 is isotonic with 0.01 M solution of sucrose at same temperature. The degree of dissociation of Na2SO4 is : (a) 75% (b) 50% (c) 100% (d) 90%
   

3. The reaction A → B follow first order kinetics. The time taken for 0.8 mol of A to produce 0.6 mole of B is one hour. Half life of reaction is : (a) 60 min (b) 120 min (c) 30 min (d) 15 min
   

4. 12 ml of 0.5 N sulphuric acid is neutralised with 24 ml of NaOH solution for titration. The strength in gm/lit of NaOH is : (a) 5 gm/lit (b) 10 gm/lit (c) 15 gm/lit (d) None
   

5. 2 gm of a metal carbonate required 50 ml 1N HCl for complete neutralisation. The equivalent of metal carbonate is : (a) 30 (b) 40 (c) 50 (d) 60
   

Section - Biology

1. Yeast poisons themselves to death when alcohol concentration reaches to _________ in alcoholic fermentation. (a) 2%   (b) 10%   (c) 13%   (d) 20%
   

2. Lactic acid fermentation occurs in (a) some bacteria   (b) muscle cell under anaerobic condition   (c) both (a) and (b)   (d) aerobic condition
   

3. How much % of energy released in fermentation? (a) < 1%   (b) < 7%   (c) > 10%   (d) > 20%
   

4. Which of the following relation shows substrate level phosphorylation? (a) Citric acid → α-ketoglutaric acid   (b) Malic acid → oxalo-acetic acid   (c) α-ketoglutaric acid → Succinic Co A   (d) Succinyl-Co A → Succinic acid
   

5. Which of the following is a `5C` compound?  (a) Oxaloacetic acid   (b) Citric acid   (c) α-ketoglutaric acid   (d) Succinic acid
   

Answers

Answers - Physics

1. (b) 2/3

2. (c) y = -a sin(ωt + kx)

3. (c) r₁ - r₂

4. (a) [MLT⁻¹]

5. (b) 50°

Answers - Chemistry

1. (a) N₂

2. (b) 50%

3. (a) 60 min

4. (b) 10 gm/lit

5. (b) 40

Answers - Biology

1. (c) 13%

2. (c) both (a) and (b)

3. (b) < 7%

4. (d) Succinyl-Co A → Succinic acid

5. (b) Citric acid

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