| 1 |
The mineral which help pant in production of Carbohydrates and fat is. |
- A. Nitrogen
- B. Magnesium
- C. Oxygen
- D. Carbon
|
| 2 |
The outermost layer of a root is called. |
- A. Epidermis
- B. Endodermis
- C. Cortex
- D. Xylem
|
| 3 |
Large number of sotmata are found on.... side of leaf. |
- A. Lower
- B. Upper
- C. Middle
- D. None of these
|
| 4 |
The flat green part of leaf is called. |
- A. Blade
- B. Lamina
- C. Both a and b
- D. None of these
|
| 5 |
The tissues used ot conduct water in plants are. |
- A. Phloem tissue
- B. Leaf
- C. Xylem tissue
- D. Stem
|
| 6 |
The middle strong vein in leaf is called. |
- A. Blade
- B. Petiole
- C. Midrib
- D. None of these
|
| 7 |
Chlorophyll is present in. |
- A. Mesophyll cells
- B. Upper epidermis
- C. Lower epidermis
- D. Endodermis
|
| 8 |
Water and dissolved salts ae conducted from roots to leaves by. |
- A. Root haris
- B. Xylem
- C. Phloem
- D. Stomata
|
| 9 |
The products of respiration are carbon dioxide and. |
- A. Water
- B. Oxygen
- C. Mitochondria
- D. Chloroplast
|
| 10 |
The force between the molecules of wate. |
- A. Adhesive force
- B. Cohesive forece
- C. Repulsive force
- D. Magnetic force
|