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CBSE

Subject

Biology

NEET Biology : Morphology of Flowering Plants

Multiple Choice Questions

141.

Tendrils exhibit

seismonasty
geotropism
heliotropism
thigmotropism

142.

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

143.

Artificial induction ofroots on stems before it is separated from the parent plant for propagation is called

layering
root-stem joint
cutting
plant tissue culture

144.

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

145.

Which of the following groups of plants are propagated through underground root?

Pistia, Chrysanthemum and pineapple
Ginger, potato, onion and zamikand
Sweet potato, Asparagus, Tapioca and dahlia
Bryophyllum and Kalanchoe

146.

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

147.

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

148.

Choose the correct option depicting the floral formula of the diagram given below

Br $\oplus$ $⚥$ P_{3 + 3}A_{3 + 3} $G$ ₍₃₎
Br $\oplus$ $⚥$ Epi_{5 - 7} K₍₅₎ C₅A_{( $\infty$ )} $G$ ₍₅₎
Ebr $\oplus$ $⚥$ K_{2 + 2} C₄ A_{2 + 4} $G$ ₍₂₎
% $\oplus$ $⚥$ K₅ C₅ A₇_{+ 3} $G$ ₍₁₎

149.

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

150.

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

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