The smallest organelle in a cell is:
- (A) Ribosome
- (B) Peroxisome
- (C) Lysosome
- (D) Spherosome
- (A) Ribosome
“Niab-86” is a variety of:
- (A) Rice
- (B) Wheat
- (C) Cotton
- (D) Millet
- (B) Wheat
Stomata are frequently present on:
- (A) Stem of plants
- (B) Upper side of leaf
- (C) Lower side of leaf
- (D) Both sides of leaf
- (C) Lower side of leaf
Lime is sometimes applied to soil in order to increase _______ of soil.
- (A) Acidity
- (B) Alkalinity
- (C) Nutrition
- (D) Nitrates
- (B) Alkalinity
Self-pollination by flowersis known as:
- (A) Bigamy
- (B) Polygamy
- (C) Autogamy
- (D) Uni-gamy
- (C) Autogamy
Taking in oxygen and giving out of carbon dioxide is called:
- (A) Aerobic Respiration
- (B) Respiration
- (C) Gaseous Exchange
- (D) Anaerobic Respiration
- (C) Gaseous Exchange
During photosynthesis green plants produces:
- (A) Vitamins
- (B) Proteins
- (C) Fats
- (D) Carbohydrates
- (D) Carbohydrates
_______ helps in photosynthetic in plants.
- (A) Phosphate
- (B) Sunlight
- (C) Fertilizers
- (D) Atmosphere
- (B) Sunlight
Photosynthesis process produces:
- (A) Starch
- (B) Cellulose
- (C) Sucrose
- (D) Glucose
- (D) Glucose
The presence of which of the following is not necessary for the process of photosynthesis?
- (A) Sunlight
- (B) Oxygen
- (C) Water
- (D) Carbon dioxide
- (B) Oxygen