Q. The production of ethanol rather than biomass by yeast cells at high concentration of glucose is known as

  • (A) Warburg effect
  • (B) Simpson's effect
  • (C) Crabtree effect
  • (D) Olivosky's effect
πŸ’¬ Discuss
βœ… Correct Answer: (C) Crabtree effect

Q. Bacteriorhodopsin is a characteristic features of

  • (A) Rhizobium
  • (B) Frankia
  • (C) Halobacteria
  • (D) Thermophilus
πŸ’¬ Discuss
βœ… Correct Answer: (C) Halobacteria

Q. Gas-Pak system is used for the study of

  • (A) Anaerobic microorganisms
  • (B) Aerobic microorganisms
  • (C) Gram positive
  • (D) Gram negative
πŸ’¬ Discuss
βœ… Correct Answer: (A) Anaerobic microorganisms

Q. Which one of the following is connecting link between Photosystem I and Photosystem II?

  • (A) Plastocyanin
  • (B) Ferredoxin
  • (C) Cytochrome - c
  • (D) Cytochrome b 6 f complex
πŸ’¬ Discuss
βœ… Correct Answer: (D) Cytochrome b 6 f complex

Q. Photosynthesis is a/an

  • (A) Catabolic reaction
  • (B) Anabolic reaction
  • (C) Energy reaction
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) Anabolic reaction

Q. Plants take up water from the soil predominantly by the adoplastic and symplastic modes of transport. Which one of the following statements is true?

  • (A) Adoplastic transport is ATP-dependent, Symplastic is ATP-independent
  • (B) Symplastic transport is ATP-dependent, Apoplastic is ATP-independent
  • (C) Both apoplastic and symplastic transport are ATP-dependent
  • (D) Both apoplastic and symplastic transport are ATP-independent
πŸ’¬ Discuss
βœ… Correct Answer: (D) Both apoplastic and symplastic transport are ATP-independent

Q. A photosynthetic organism which does not release oxygen is

  • (A) Green algae
  • (B) Blue green algae
  • (C) Lichen
  • (D) Green sulphur-bacteria
πŸ’¬ Discuss
βœ… Correct Answer: (D) Green sulphur-bacteria

Q. Facultative anaerobes are

  • (A) Strictly aerobes
  • (B) Aerobes which can respire anaerobically
  • (C) Strictly anaerobe
  • (D) Anaerobes which can respire anaerobically
πŸ’¬ Discuss
βœ… Correct Answer: (D) Anaerobes which can respire anaerobically

Q. The oxidative photosynthesis carbon cycle salvages

  • (A) C-3 carbon
  • (B) C-4 carbon
  • (C) CO2
  • (D) CO2 carbon
πŸ’¬ Discuss
βœ… Correct Answer: (D) CO2 carbon

Q. Glycolysis is the name given to the pathway involving the conversion of

  • (A) Glucose to glucose-6-phosphate
  • (B) Glucose to fructose-6-phosphate
  • (C) Glycogen to glucose
  • (D) Glucose to pyruvate or lactate
πŸ’¬ Discuss
βœ… Correct Answer: (D) Glucose to pyruvate or lactate

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