Which is used as a preservative in tomato sauce?
- (A) Sodium bicarbonate
- (B) Sodium benzoate
- (C) Sodium chloride
- (D) Sodium lauryl sulphate
- (B) Sodium benzoate
Plants synthesis protein from:
- (A) Sugar
- (B) Starch
- (C) Amino acids
- (D) Fatty acids
- (C) Amino acids
The odor of garlic is due to a _______ compound.
- (A) Chlorine
- (B) Sulphur
- (C) Copper
- (D) Phosphorus
- (B) Sulphur
Which cell organelle is found in plant cells only?
- (A) Ribosome
- (B) Plastids
- (C) Mitochondria
- (D) Chromosomes
- (B) Plastids
Plant identical to mother plant can be had from:
- (A) Seeds
- (B) Stem cutting
- (C) Both (A & B) are correct
- (D) None of these
- (C) Both (A & B) are correct
Cochineal insects are used to eradicate the weed called:
- (A) Javi
- (B) Chaulai
- (C) Bathua
- (D) Opuntia
- (D) Opuntia
Which of the following is an insectivorous plant?
- (A) Hydrilla
- (B) Nepenthes
- (C) Marsilea
- (D) None of these
- (B) Nepenthes
Which of the following is a mixed fertilizer?
- (A) Urea
- (B) NPK
- (C) CAM
- (D) Ammonium Sulphate
- (B) NPK
Pulse crop can fix atmospheric nitrogen because of:
- (A) Root nodules
- (B) Deep roots
- (C) Root hairs
- (D) Aerial roots
- (A) Root nodules
The enzyme activity accelerates at which of the following ranges of temperature?
- (A) 7°C to 10°C
- (B) 20°C to 25°C
- (C) 30°C to 40°C
- (D) 45°C to 50°C
- (C) 30°C to 40°C