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A body of mass 2 kg is initially at rest. A force of 10 N is applied on it for 5 seconds. The kinetic energy acquired by the body is:
Which of the following statements is correct regarding the second law of thermodynamics?
What is the major product formed when 2-methylpropene is reacted with HBr?
Which of the following reagents can be used to distinguish between ethanol and phenol?
What is the role of the notochord in chordates?
Which of the following is an example of commensalism?
What is the role of DNA ligase in DNA replication?
If the radius of a sphere is measured as $(2.1 \pm 0.05)$ cm, calculate the percentage error in the calculation of its volume.
The pH of a solution is 3. What will be the hydrogen ion concentration?
Which of the following hormones is responsible for the 'fight or flight' response?
What is the primary function of the loop of Henle in the nephron?
Two lenses of power +12 D and -2 D are placed in contact. What will be the focal length of the combination?
If the rate constant for a first-order reaction is $k$, the time ($t$) required for completion of 99% of the reaction is given by:
Which of the following is a characteristic feature of the Phylum Echinodermata?
A population is in Hardy-Weinberg equilibrium. The frequency of the recessive allele is 0.3. What is the frequency of the heterozygous genotype?
A body of mass $m = 2$ kg is initially at rest. A force $\\vec{F} = (2\\hat{i} + 3\\hat{j})$ N is applied on the body. The magnitude of the velocity of the body after $t = 3$ seconds is:
Which of the following statements is correct regarding the hybridization and shape of $XeF_4$?
In the process of translation, the formation of peptide bond between two amino acids is catalysed by:
A Carnot engine operates between two reservoirs at temperatures $T_1 = 500$ K and $T_2 = 300$ K. What is the efficiency of the engine?
Which one of the following is the most accepted explanation for mimicry?
The de Broglie wavelength of an electron accelerated through a potential difference of 100 V is approximately:
Which of the following statements about enzyme inhibitors is INCORRECT?
If the radius of the Earth is $R$ and the acceleration due to gravity on the surface is $g$, then the acceleration due to gravity at a height $h = R$ from the surface is:
What is the major product formed when 2-methyl-2-butene reacts with HBr?
Which of the following statements about the lac operon is correct?
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This test for Class 12 NEET contains 25 questions.
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