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8. The pair of following compounds is an example of a. Functional isomers b. Positional isomers c. Stereo isomers d. None Answer: The two given compounds are functional isomers (option a). They have […]

7. The two strands of DNA double helix are linked to each other by a. Hydrogen bonds between sugar b. Phosphodiester bond between sugar c. Hydrogen bonds between bases d. […]

6. Which is a better electrophilic center? a. CH3(CO)CH3 b. CH3(CO)Cl c. CH3(CO)H d. CH3(CO)Br CH3COCl (acetyl chloride) serves as the best electrophilic center among the options due to chlorine’s […]

5. During the process of oxidative phosphorylation, which molecule acts as the terminal electron acceptor. a. Hydrogen b. Phosphate c. Water d. Oxygen Oxygen acts as the terminal electron acceptor […]

4. The pKa of the amino group of a zwitterion is 9.6. In a 0.1 M solution of the zwitterion at pH=9.0, what percentage of the amino group of the […]

3. Which enzyme can be a catalyst like perchloric acid in Baeyer-Villiger reaction a. trypsin b. flavin monoxygenase c. chymotrypsin d. alcohol dehydrogenase Introduction The Baeyer-Villiger reaction enzyme catalyst mimics […]

2. Arrange the following compounds in increasing order of C-OH bond length: Methanol, phenol, p ethoxyphenol a. Phenol c. p-ethoxyphenol < methanol < phenol: Wrong – p-ethoxyphenol cannot have shorter […]

1.An organic compound contains C, H and S. If it contains 4% Sulphur by weight, the minimum molecular mass of the compound is a.200 b.400 c.600 d.800 Empirical Formula Method […]

15. A car starting from rest accelerates at the rate R through a distance S, then continues at a constant speed for time t and then decelerates at rate R/2 […]