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- Question
Which of the following is true of enzymes?
Options- A. Enzymes lowers the activation energy for the chemical reaction
- B. Enzymes speed up the rate of a chemical reaction
- C. Both A & B
- D. Neither A nor B
- Correct Answer
- Both A & B
ExplanationEnzymes are macromolecular biological catalysts. Enzymes accelerate chemical reactions. The molecules upon which enzymes may act are called substrates and the enzyme converts the substrates into different molecules known as products.
- 1. Georgia, Uzbekistan and Turkmenistan became the members of UNO in
Options- A. 1991
- B. 1992
- C. 1993
- D. 1994 Discuss
- 2. The 'satellite freight city' is being developed near which of the following cities?
Options- A. New Delhi
- B. Orissa
- C. Gurgaon
- D. Kolkata Discuss
- 3. The highest degree of concentration of mineral deposits are found in
Options- A. northeastern zone
- B. northwestern zone
- C. southern zone
- D. All of the above Discuss
- 4. The lead character in the film 'The Bandit Queen' has been played by
Options- A. Rupa Ganguly
- B. Seema Biswas
- C. Pratiba Sinha
- D. Shabama Azmi Discuss
- 5. Who is the author of the novel 'Les Miserable'?
Options- A. Victor Hugo
- B. ALium tofler
- C. G.Wynne
- D. Fedric Discuss
- 6. What is a BJT?
Options- A. Bit Junction Transfer
- B. Bi-polar Junction Transistor
- C. Bell Jar Transformer
- D. Back Junction Transformer Discuss
- 7. Potassium nitrate is used in
Options- A. medicine
- B. fertiliser
- C. salt
- D. glass Discuss
- 8. The film 'Salaam Bombay' was directed by
Options- A. Shyam Benegal
- B. Mira Nair
- C. Aparna Sen
- D. Mrinal Sen Discuss
- 9. Which of the following metals remain in liquid for under normal conditions?
Options- A. Radium
- B. Zinc
- C. Uranium
- D. Mercury Discuss
- 10. Who directed the famous TV Serial 'Tandoori Nights'?
Options- A. Farukh Dhondy
- B. Jon AMiel
- C. Zohra Sehgal
- D. Saeed Jaffrey Discuss
More questions
Correct Answer: 1992
Correct Answer: Gurgaon
Correct Answer: northeastern zone
Correct Answer: Seema Biswas
Correct Answer: Victor Hugo
Correct Answer: Bi-polar Junction Transistor
Correct Answer: fertiliser
Correct Answer: Mira Nair
Correct Answer: Mercury
Correct Answer: Jon AMiel
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