The following diagram can represent the position of the ovary in:
1. Brinjal
2. Guava
3. Rose
4. Mustard
Ovary is one-chambered but becomes two-chambered due to the formation of the false septum in:
1. Argemone
2. Salvia
3. Cassia
4. Primrose
Which of the following is not a correct floral character of the members of family Solanaceae?
1. Flower : Zygomorphic
2. Calyx : Valvate aestivation
3. Stamens : Epipetalous
4. Fruit : Berry or capsule
Pneumatophores are seen in:
1. Rhizophora
2. Banyan tree
3. Carrot
4. Turnip
When a shoot tip transforms into a flower,
1. It is always solitary
2. The flower is always short-lived
3. It is never solitary
4. The flower is always long-lived
Some foliar roots also produce adventitious roots as in:
1. Oxalis
2. Coleus
3. Tapioca
4. Bryophyllum
Chief characteristics of stem do not include:
1. Develops from the plumule
2. Positive phototropic nature
3. Presence of nodes and internodes
4. Endogenously developed multicellular hair
Match aerial modifications of stem given in column I with their descriptions in column II and choose your answer from the codes given below:
A |
Phylloclade |
P |
Green, flattened or cylindrical branches of unlimited growth |
B |
Cladode |
Q |
Branches of limited growth that become green and flat like a leaf |
C |
Bulbil |
R |
Modified vegetative bud with stored food meant for reproduction |
Codes:
|
A |
B |
C |
1. |
P |
Q |
R |
2. |
P |
R |
Q |
3. |
R |
P |
Q |
4 . |
Q |
R |
P |
In racemose type of branching:
1. Branches continue to grow indefinitely and give off further branches laterally in a basipetal order
2. Branches continue to grow indefinitely and give off further branches laterally in an acropetal order
3. Branches stop growing after some time and give off further branches laterally in a basipetal order
4. Branches stop growing after some time and give off further branches laterally in an acropetal order
In Australian Acacia, the petiole or any part of rachis becomes flattened taking the shape of a leaf and turning green in color. This structure is called as:
(1) Phylloclade
(2) Cladode
(3) Phyllode
(4) bulbil