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) epipetalous

(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

Offset is one internode-long runner and its each node bears rosette of leaves and a tuft of roots. It is found in aquatic plants like:

1. Hydrilla           

2. Pistia              

3. Eichhornia      

4. Both (2) and (3)

Leafbase is swollen to form pulvinus in:

(1) Some leguminous plants              

(2) Some crucifers

(3) Some monocots                           

(4) Some cycads

Which of the following statements is false about a leaf?
1. A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the margin

2. A leaf is said to be compound when the incisions of lamina reach up to the midrib breaking into several leaflets

3. Leaf is the most important vegetative organ for photosynthesis

4. Leaf is not a transpiratory organ