| 1 |
Oxygen and .... are the products of photosynthesis. |
- A. Water
- B. Carbon di oxide
- C. Glucose
- D. Chlorophyll
|
| 2 |
Water and dissolved salts ae conducted from roots to leaves by. |
- A. Root haris
- B. Xylem
- C. Phloem
- D. Stomata
|
| 3 |
Large number of sotmata are found on.... side of leaf. |
- A. Lower
- B. Upper
- C. Middle
- D. None of these
|
| 4 |
Mineral required in the formation of chlorophyll. |
- A. Iodine
- B. iron
- C. Phosphorus
- D. Magnesium
|
| 5 |
The tissues used ot conduct water in plants are. |
- A. Phloem tissue
- B. Leaf
- C. Xylem tissue
- D. Stem
|
| 6 |
In Animals, exchange of gaes occure through. |
- A. Liver
- B. Heart
- C. Brian
- D. Lungs
|
| 7 |
The outermost layer of a root is called. |
- A. Epidermis
- B. Endodermis
- C. Cortex
- D. Xylem
|
| 8 |
What is required for photosynthesis in addition to light. |
- A. Oxygen and carbon dioxide
- B. Oxygen and water
- C. Carbon di oxide and water
- D. Notrogen and water
|
| 9 |
The loss of water from aerial parts of the plants. |
- A. Respiration
- B. Photosynthesis
- C. Evaporation
- D. Transpiraton
|
| 10 |
The flat green part of leaf is called. |
- A. Blade
- B. Lamina
- C. Both a and b
- D. None of these
|