191.

A plant produced 50 flowers. Ovary of each flower has 50 ovules. How many fruits and seeds are produced by that plant, respectively?

• 50, 50

• 50, 100

• 50, 2500

• 2500, 2500

The given symbols of floral parts indicate the condition:

% or CA or PA or G

• zygomorphic flower, epipetalous, epiphyllous, superior ovary

• actinomorphic flower, epipetalous, interior ovary

• zygomorphic flower, epiphyllous, epipetalous, superior ovary

• actionmorphic flower, epipetalous, superior ovary

Synadrous condition is common in the family

• Umbelliferal

• Rosaceae

• Malvaceae

• Cucurbitaceae

Identify the type of placentation and its example shown in the diagram below

• Axile placentation in lemon

• Marginal placentation in pea

• Parietal placentation in Brassica

• Basal placentation in sunflower

A plant with bulb, trimerous flowers, 6 stamens in two whorls belongs to a specific class in Bentham and Hooker's classification. The number of natural orders present in that class is

• 3

• 34

• 165

• 202

Study the following combinations.

I. Cymose infloresence - Epipetalous - Solanum

II. Homochlamydeous - Polyandrous - Allium

III. Axile placentation - Radical leaves - Smilax

IV. Zygomorphic - Deadelphous - Butea

The correct combination is

• I, II

• II, IV

• I, IV

• III, IV

Ratio between number of stamens in nine male flowers and number of carpels in three female flowers in Euphorbia is

• 1 : 1

• 1 : 3

• 2 : 1

• 2 : 3

All given statements regarding cymose inflorescence are correct except

• main axis terminate in a flower

• development of flowers is basipetal

• opening of flowers is centrifugal

• unlimited growth of axis

The leaves of some plants contain crystals of calcium carbonate in epidermal cells, giving appearance that of bunch of grapes are called

• cystoliths

• sphaeraphides

• raphides

• otoliths

Which of the following feature cannot be considered to distinguish underground stem from a root?

• Presence of nodes and internodes

• Presence of axillary and terminal buds

• Absence of scale leaves and adventitious roots arising from nodes

• Presence of exogenous branches