A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in:
1. Chrysanthemum
2. Pistia
3. Jasmine
4. Pineapple
Zygomorphic flower is not found in:
1. Cassia
2. Canna
3. Gulmohur
4. Bean
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 |