Leaves become modified into spines in
(a) Opuntia
(b) pea
(c) onion
(d) silk cotton

The hilum is a scar on the

(a) seed, where funicle was attached

(b) fruit, where it was attached to pedicel

(c) fruit, where style was present

(d) 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 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

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

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

Seed coat is not thin, membranous in

(1) maize

(2) coconut

(3) groundnut

(4) gram

Placentation in tomato and lemon is 

(1) parietal

(2) free central

(3) marginal

(4) axile