Inflorescence of which one of the following sets completely develop into composite fruits?

(1) Spike, corymb, hypanthodium

(2) Spike, female catkin, hypanthodium

(3) Umbel, catkin, spadix

(4) Female catkin, corymb, spike

The small projections present on the surface of pineapple fruit represent

(1) persistent styles

(2) persistent stamens

(3) persistent calyx

(4) persistent bracts

'Cladode' is a characteristic morphological feature of

(1) Asparagus and Ruscus

(2) Casuarina and Opuntia

(3) Cladophora and Cactus

(4) Citrus and Euphorbia

Which one contain most reduced form of stem?

(1) Bulb

(2) Rhizome

(3) Tuber

(4) Twinner

Which one is a source of commercially important product Syzygium aromaticum?

(1) Flower bud

(2) Axillary bud

(3) Thalamus

(4) Peduncle

Pappus helps in dispersal of pollen in

(1) Asteraceae

(2) Brassicaceae

(3) Malvaceae

(4) Solanaceae

Flower of Liliaceae is

(1) actinomorphic

(2) trimerous

(3) pentamerous

(4) imperfect

A fruit developed from a condensed inflorescence is

(1) simple fruit

(2) aggregate fruit

(3) composite fruit

(4) etaerio

The floral formula  represents

(1) Solanum nigrum

(2) Hibiscus rosa-sinensis

(3) Citrus aurantum

(4) Brassica campestirs

Which of the following is incorrect about A, B, C and D:
(1) Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food

(2) Pneumatophores help to get oxygen for respiration

(3) Pneumatophore is found in the plants that grow in sandy soil

(4) A, B and C are underground roots but D grows vertically upwards