Tetradynamous condition is found in

  • Hibiscus rosa-sinesis

  • Ocimum sanctum

  • Helianthus annuus

  • Brassica campestris

Select the mismatched pair out of the following.

  • Rhizome - Dryopteris, Nelumbo nucifera

  • Corm - Crocus sativus, Amorphophallus

  • Sucker - Curcuma domestica, Zingiber officinale

  • Tuber - Helianthus tuberosus, Solanum tuberosum

Which one of the following option is not correctly matched?

Acacia

Banyan

Euphorbia

Calotropis

 

  • cymose

  • Hypanthodium

  • Cyanthium

  • Verticillaster

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

  • A–Fusiform, radish; B–Napiform, turmeric; C–Tuberous, sweet potato

  • A–Conical, turnip; B–Nodulated, sweet potato; C–Tuberous, Curcuma amada

  • A–Conical, carrot; B–Tuberous, sweet potato; C–Fasciculated, Dahlia

  • A–Napiform, carrot; B–Nodulated, Tamarind; C–Tuberous, turmeric

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

  • Spike, corymb, hypanthodium

  • Spike, female catkin, hypanthodium

  • Umbel, catkin, spadix

  • Female catkin, corymb, spike

The small projections present on the surface of pineapple fruit represent

  • persistent styles

  • persistent stamens

  •  persistent calyx

  •  persistent bracts

'Cladode' is a characteristic morphological feature of

  • Asparagus and Ruscus

  • Casuarina and Opuntia

  • Cladophora and Cactus

  • Citrus and Euphorbia

Which one contain most reduced form of stem?

  • Bulb

  • Rhizome

  • Tuber

  • Twinner

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

  • Flower bud

  • Axillary bud

  • Thalamus

  • Peduncle

Pappus helps in dispersal of pollen in

  • Asteraceae

  • Brassicaceae

  • Malvaceae

  • Solanaceae

Flower of Liliaceae is

  • actinomorphic

  • trimerous

  • pentamerous

  • imperfect

A fruit developed from a condensed inflorescence is

  • simple fruit

  • aggregate fruit

  • composite fruit

  • etaerio

The floral formula  represents

  • Solanum nigrum

  • Hibiscus rosa-sinensis

  • Citrus aurantum

  • Brassica campestirs

Which of the following is incorrect about A, B, C and D:

  • Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food

  • Pneumatophores help to get oxygen for respiration

  • Pneumatophore is found in the plants that grow in sandy soil

  • 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:

  • Hydrilla           

  • Pistia              

  • Eichhornia      

  • Both (2) and (3)

Leafbase is swollen to form pulvinus in:

  • Some leguminous plants              

    (2) Some crucifers

  • 2

  • Some monocots                           

    (4) Some cycads

  • 4

Which of the following statements is false about a leaf?

  • A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the margin

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

  • Leaf is the most important vegetative organ for photosynthesis

  • Leaf is not a transpiratory organ

Leaves are modified into tendrils in:

  • Parkinsonia     

  • Pea                 

  • Ranunculus     

  • Oxalis

Cymose inflorescence is identified by:
  • Basipetal arrangement of flowers on the main axis (peduncle)
  • The limited growth of the main axis as main axis terminates in a flower
  • Both (1) and (2)
  • Presence of sessile flower

Which of the following is an incorrect match?

  • Perigynous flower - Plum, rose and peach

  • Monadelphous - Pea

  • Epigynous flower - Guava, cucumber, and ray florets of sunflower

  • Polyadelphous - Citrus

Match the Column-I with Column-II:

Column-I

(Aestivation in

Corolla)

Column-II

(Examples)

A. Valvate

I. China rose,

Lady’s finger,

cotton

B. Twisted

II. Calotropis

C. Imbricate

III. Cassia,

Gulmohur

D. Vexillary

(papillonaceous)

IV. Pea, Beans

  • A - II, B - I, C - III, D - IV            

  • A - II, B - I, C - IV, D - III

  • A - I, B - II, C - III, D - IV             

  • A - II, B - IV, C - I, D - III

Which of the following is not a main function of the root system?

  • Absorption of water and minerals from the soil, Help in protection of plant

  • Providing a proper anchorage to the plant parts

  • Storing reserve food materials

  • Synthesising of plant growth regulators

The root is covered at

  • The Apex of the root by root cap

  • The base of the stem by the root cap

  • The base of maturation zone by root cap

  • The Apex of the zone of elongation by the root cap

The region of meristematic activity has cells of

  • Small size, thin walled and with dense protoplasm

  • Large size, thick walled and with the loose protoplasm

  • Small size, thin walled with loose protoplasm

  • Large size,thin walled and with dense protoplasm

The region ………. to the region of meristematic activity is called region of elongation?

  • Proximal

  • Terminal

  • Lateral

  • Distal

Which of the following is the region responsible for the growth of the root?

  • Region of Elongation

  • Region of Meristem

  • Region of Maturation

  • Region of Root cap

Which of the following is not correct about root hair?

  • Thin

  • Delicate and thread like

  • Absorb water and minerals

  • Formed by pericycle of the roots

Which of the following roots have same function?

  • Carrot, Sweet Potato

  • Potato and Sweet Potato

  • Turnip and Potato

  • Banyan and Carrot

Roots are not modified for

  • Support

  • Storage

  • Respiration

  • Protection

Prop roots -

  • Sugarcane

  • Turnip

  • Banyan

  • Trapa

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Practice Botany Quiz Questions and Answers