Roots play insignificant role in absorption of water in
1. sunflower
2. Pistia
3. pea
4. wheat
Axile placentation is present in
1. dianthus
2. lemon
3. pea
4. Argemone
Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many
plants have superior ovary?
1. Five
2. Six
3. Three
4. Four
Perigynous flowers are found in
1. Guava
2. Cucumber
3. China rose
4. Rose
Leaves become modified into spines in
1. Opuntia
2. pea
3. onion
4. silk cotton
The hilum is a scar on the
1. seed, where funicle was attached
2. fruit, where it was attached to the pedicel
3. fruit, where style was present
4. seed, where micropyle was present
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as
(1) vexillary
(2) imbricate
(3) twisted
(4) valvate
Which one of the following statements is correct?
1. The seed in grasses is not endospermic
2. Mango is a parthenocarpic fruit
3. A proteinaceous aleurone layer is present in maize grain
4. A sterile pistil is called a staminode
An example of an edible underground stem is
1. carrot
2. groundnut
3. sweet potato
4. potato
An aggregate fruit is one which develops from
(1) multicarpellary syncarpous gynoecium
(2) multicarpellary apocarpus gynoecium
(3) complete inflorescence
(4) multicarpellary superior ovary