Which of the following is adapted to grow in dry places?
- (A) Sciophytes
- (B) Hydrophytes
- (C) Xerophytes
- (D) Heliophytes
- (C) Xerophytes
Herbicides are used for the elimination of:
- (A) Insects
- (B) Pests
- (C) Weeds
- (D) Plant diseases
- (C) Weeds
Ginger is a _______.
- (A) Tuber
- (B) Rhizome
- (C) Bulb
- (D) Flower
- (B) Rhizome
Higher plants take up nitrogen as:
- (A) Nitrites only
- (B) Nitrates only
- (C) Urea only
- (D) Nitrates and Ammonia
- (B) Nitrates only
Potato is the modified form of:
- (A) Root
- (B) Stem
- (C) Leaf
- (D) Flower
- (B) Stem
The complex carbohydrates which make up the cell wall in plants are called:
- (A) Lactose
- (B) Maltose
- (C) Cellulose
- (D) Sucrose
- (C) Cellulose
Plants produce _______ in daytime.
- (A) Hydrogen
- (B) Oxygen
- (C) Carbon dioxide
- (D) Nitrogen
- (B) Oxygen
Plants at night exhale:
- (A) Oxygen
- (B) Nitrogen
- (C) Carbon dioxide
- (D) Hydrogen
- (C) Carbon dioxide
The process of photosynthesis in plants takes place in:
- (A) Stem
- (B) Leaf
- (C) Flower
- (D) Root
- (B) Leaf
The site of “Photosynthesis” is:
- (A) Vacuoles
- (B) Mitochondria
- (C) Chloroplast
- (D) Prokaryotes
- (C) Chloroplast