Tetradynamous condition is found in

(1) Hibiscus rosa-sinesis

(2) Ocimum sanctum

(3) Helianthus annuus

(4) Brassica campestris

Select the mismatched pair out of the following.

(1) Rhizome - Dryopteris, Nelumbo nucifera

(2) Corm - Crocus sativus, Amorphophallus

(3) Sucker - Curcuma domestica, Zingiber officinale

(4) Tuber - Helianthus tuberosus, Solanum tuberosum

Which one of the following option is not correctly matched?

Identify the type of root given in the figure, from the given options.

(1) A–Fusiform, radish; B–Napiform, turmeric; C–Tuberous, sweet potato

(2) A–Conical, turnip; B–Nodulated, sweet potato; C–Tuberous, Curcuma amada

(3) A–Conical, carrot; B–Tuberous, sweet potato; C–Fasciculated, Dahlia

(4) A–Napiform, carrot; B–Nodulated, Tamarind; C–Tuberous, turmeric

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

(a) persistent styles

(b) persistent stamens

(c) persistent calyx

(d) persistent bracts

Which one of the following organisms is correctly matched with its three characterstics?

(1) Pea- C₃ -pathway, endospermic seed, vexillary aestivation

(2) Tomato- twisted aestivation, axile placentation, berry

(3) Onion- Bulb, imbricate aestivation, axile placentation

(4) Maize- C₃ -pathway, closed vascular bundle, scutellum 

'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