Q. No.Leaves become modified into spines in
1. Opuntia
2. pea
3. onion
4. silk cotton
Difficulty Level:
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
Difficulty Level:
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
Difficulty Level:
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
Difficulty Level:
An example of an edible underground stem is
(1) carrot
(2) groundnut
(3) sweet potato
(4) potato
Difficulty Level:
An aggregate fruit is one which develops from
(1) multicarpellary syncarpous gynoecium
(2) multicarpellary apocarpus gynoecium
(3) complete inflorescence
(4) multicarpellary superior ovary
Difficulty Level:
Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunnhemp, gram, guava, bean, chili, plum, Petunia, tomato, rose, Withania, potato, onion, aloe and tulip, how many plants have hypogynous flower?
(1) Six
(2) Ten
(3) Fifteen
(4) Eighteen
Difficulty Level:
In China rose the flowers are
(1) actinomorphic, hypogynous with twisted aestivation
(2) actinomorphic, epigynous with valvate aestivation
(3) zygomorphic, hypogynous wit imbricate aestivation
(4) zygomorphic, epigynous with twisted aestivation
Difficulty Level:
Seed coat is not thin, membranous in
(1) maize
(2) coconut
(3) groundnut
(4) gram
Difficulty Level:
Placentation in tomato and lemon is
(1) parietal
(2) free central
(3) marginal
(4) axile
Difficulty Level:
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