The diagram shows water hyacinth. It reproduces by the sub aerial modification of stem known as:
1. Runner
2. Stolon
3. Offset
4. Sucker
Match type of adhesion of stamens with example and select the correct answer from the codes given:
Adhesion of stamens | Example | ||
A. | Epipetalous | a. | Datura |
B. | Epiphyllous | b. | Tulip |
C. | Gynandrous | c. | Calotropis |
Codes
A | B | C | |
1. | a | b | c |
2. | b | a | c |
3. | c | a | b |
4. | a | c | b |
The arrow shows structure where basal portions of the calyx, the corolla, and the stamens form a cup-shaped tube. This is called as:
1. Thalamus
2. Gynandrophore
3. Peduncle
4. Hypanthium
A shows underwater leaves and B above water leaves in Limnophila heterophylla. This is an example of:
1. Norm of reaction
2. Developmental noise
3. Incomplete penetrance
4. Phenotypic plasticity
The structure shown be arrow in the given picture is called as:
1. Involucre
2. Spathe
3. Glume
4. Epicalyx
The condition of the stamens in the given picture is:
1. Didynamous
2. Tetradynamous
3. Synandrous
4. Syngenesious
The sub-aerial modification of the stem shown below is:
1. Stolon
2. Runner
3. Rhizome
4. Offset
What may be number of carpels in the flower shown below?
1. 1
2. 2
3. 3
4. 4
The type of placentation of ovules in the following flower is known as:
1. Basal
2. Free central
3. Marginal
4. Parietal
Match each item in COLUMN I with one in COLUMN II and select the correct answer from the codes given:
|
COLUMN I [Special types of plants] |
|
COLUMN II [Example] |
A. |
Total stem parasites |
a. |
Mistletoe |
B. |
Partial stem parasites |
b. |
Dodder |
C. |
Total root parasites |
c. |
Sandalwood |
D. |
Partial root parasites |
d. |
Broomrape |
Codes
A B C D
1. a b c d
2. b a d c
3. c d a b
4. d c b a