| 1 |
Large number of sotmata are found on.... side of leaf. |
- A. Lower
- B. Upper
- C. Middle
- D. None of these
|
| 2 |
Mineral required in the formation of chlorophyll. |
- A. Iodine
- B. iron
- C. Phosphorus
- D. Magnesium
|
| 3 |
Water and dissolved salts ae conducted from roots to leaves by. |
- A. Root haris
- B. Xylem
- C. Phloem
- D. Stomata
|
| 4 |
The structure in plants used to produce food for plant is. |
- A. Stem
- B. Root
- C. Branch
- D. Leaf
|
| 5 |
Oxygen and .... are the products of photosynthesis. |
- A. Water
- B. Carbon di oxide
- C. Glucose
- D. Chlorophyll
|
| 6 |
The middle strong vein in leaf is called. |
- A. Blade
- B. Petiole
- C. Midrib
- D. None of these
|
| 7 |
In Animals, exchange of gaes occure through. |
- A. Liver
- B. Heart
- C. Brian
- D. Lungs
|
| 8 |
The loss of water from aerial parts of the plants. |
- A. Respiration
- B. Photosynthesis
- C. Evaporation
- D. Transpiraton
|
| 9 |
The products of respiration are carbon dioxide and. |
- A. Water
- B. Oxygen
- C. Mitochondria
- D. Chloroplast
|
| 10 |
The component of solution which is relatively large in quantity is |
- A. Solute
- B. Solution
- C. Solvent
- D. None of these
|