At the root tip, the cells that are responsible for the growth of the root in length are located in the region that is:
1. distal to the region of meristematic activity
2. proximal to the region of meristematic activity
3. proximal to the region of maturation
4. distal to the region of elongation
In general, the functions of the root system of a plant would include all the following except:
1. Absorption of water and minerals from the soil
2. Providing proper anchorage to the plant parts
3. Synthesis of reserve food material
4. Synthesis of plant growth regulators
A sterile stamen is called as:
1. | Staminate | 3. | Staminode |
2. | Pistillate | 4. | Carpelode |
Root hairs at the root tip are formed by:
1. | Epidermal cells in the region of maturation |
2. | Cortical cells in the region of elongation |
3. | Epidermal cells in the region of elongation |
4. | Cortical cells in the region of maturation |
Apocarpous gynoecium is seen in:
1. | Lotus | 2. | Mustard |
3. | Papaver | 4. | Tomato |
Identify the incorrectly matched pair:
Aestivation type |
Example |
|
1. |
Valvate |
Calotropis |
2. |
Twisted |
Bean |
3. |
Imbricate |
Gulmohur |
4. |
Vexillary |
Pea |
Match each item in Column I with one in Column II and select the correct option from the codes given below:
COLUMN I [Phyllotaxy] | COLUMN II [Example] | ||
A. | Alternate | a. | China rose |
B. | Opposite | b. | Calotropis |
C. | Whorled | c. | Alstonia |
Codes:
A | B | C | |
1. | a | b | c |
2. | a | c | b |
3. | b | a | c |
4. | c | b | a |
Roots arising from the parts of a plant other than radical are called as:
1. | Tap root | 2. | Fibrous roots |
3. | Adventitious roots | 4. | Lateral roots |
Aleurone layer of Maize grain is specially rich in
1. | Proteins | 2. | Starch |
3. | Lipids | 4. | Auxins |
A scar on a dicot seed coat where the developing seeds were attached to the fruit is known as:
1. | Micropyle | 2. | Funicle |
3. | Hilum | 4. | Raphe |