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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. Plants hormone that induces cell division is
Options- A. auxins
- B. gibberellins
- C. kinins
- D. domins Discuss
- 2. The Vedic deity Indra was the Goddess of
Options- A. wind
- B. eternity
- C. rain and thunder
- D. fire Discuss
- 3. The minimum age required to become a member of Rajya Sabha is
Options- A. 21 years
- B. 25 years
- C. 30 years
- D. 35 years Discuss
- 4. The main factor determining a region's climate is
Options- A. longitude
- B. latitude
- C. temperature
- D. All of the above Discuss
- 5. The name of Pierre Cardin is associated with which of the following fields?
Options- A. Painting
- B. Films
- C. Pop Music
- D. Fashion Designing Discuss
- 6. 'Queens berry Rules' is the name given to the rules in
Options- A. Boxing
- B. Football
- C. Tennis
- D. Cricket Discuss
- 7. Samantha Fox is associated with
Options- A. Politics
- B. Pop music
- C. Journalism
- D. Sports Discuss
- 8. A chronometer measures
Options- A. colour contrast
- B. sound waves
- C. time
- D. water waves Discuss
- 9. Which of the following is a cultural organisation?
Options- A. UNESCO
- B. ILO
- C. WHO
- D. FAO Discuss
- 10. The hardest substance available on earth is
Options- A. Gold
- B. Iron
- C. Diamond
- D. Platinum Discuss
More questions
Correct Answer: kinins
Correct Answer: rain and thunder
Correct Answer: 30 years
Correct Answer: latitude
Correct Answer: Fashion Designing
Correct Answer: Boxing
Correct Answer: Pop music
Correct Answer: time
Correct Answer: UNESCO
Correct Answer: Diamond
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