31. Photosynthesis occurs in which cell organelle?
(A) Mitochondria
(B) Ribosome
(C) Chloroplast
(D) Nucleus
Answer:
(C) Chloroplast
Explanation:
Chloroplasts are the cellular organelles in plants and algae that contain chlorophyll and conduct photosynthesis.
32. Which enzyme that break down starch?
(A) Pepsin
(B) trypsin
(C) Amylase
(D) lipase
Answer:
(C) Amylase
Explanation:
Amylase, found in saliva and pancreatic fluid, is the enzyme responsible for converting complex starches and glycogen into simple sugars.
33. What is the total number of schedules in the Constitution?
(A) 15
(B) 12
(C) 8
(D) 10
Answer:
(B) 12
Explanation:
The Constitution of India currently contains 12 schedules, up from the original 8 when it was first adopted.
34. Which chemical is used to make photographic films?
(A) Sodium Nitrate
(B) Silver Bromide
(C) Sodium carbonate
(D) Potassium chloride
Answer:
(B) Silver Bromide
Explanation:
Silver bromide ($AgBr$) is a light-sensitive chemical compound widely used in traditional photographic films and papers.
35. The historic Dandi March is associated with
(A) Boycott of elections
(B) Violation of salt law
(C) Hindu Muslim unity
(D) None of these
Answer:
(B) Violation of salt law
Explanation:
The Dandi March (Salt March) of 1930 was an act of nonviolent civil disobedience led by Mahatma Gandhi to protest the British salt monopoly.
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