Morphology of Flowering Plants

NEET Biology · 179 questions · Page 15 of 18 · Click an option or "Show Solution" to reveal answer

Q141
Botanical name of Cauliflower is
A Brassica oleracea var. capitata
B Brassica oleracea
C Brassica oleracea var. botrytis
D Brassica oleracea var. gemmifera
Correct Answer
Option C
Solution

(c) Cauliflower = Brassica oleracea var. botrytis.

Q142
Syngenesious condition is found in
A Asteraceae
B Labiate
C Solanaceae
D Fabaceae
Correct Answer
Option A
Solution

(a) Syngenesious stamens (anthers united, filaments free) are characteristic of Asteraceae.

Q143
Pentamerous, actinomorphic flowers, bicarpellate ovary with oblique septa and fruit a capsule or berry, are characteristic features of
A Brassicaceae
B Solanaceae
C Liliaceae
D Asteraceae
Correct Answer
Option B
Solution

(b) Solanaceae: pentamerous, actinomorphic, bicarpellary with oblique septum, fruit berry/capsule.

Q144
What type of placentation is seen in sweet pea?
A Axile
B Free central
C Marginal
D Basal
Correct Answer
Option C
Solution

(c) Sweet pea (Fabaceae) has marginal placentation — seeds along the margin of monocarpellary ovary.

Q145
Keel is characteristic of the flowers of:
A Gulmohur
B Cassia
C Calotropis
D Bean
Correct Answer
Option D
Solution

(d) Bean (Fabaceae/Papilionaceae) has keel petals — two fused anterior petals.

Q146
The ovary is half inferior in flowers of
A peach
B cucumber
C cotton
D guava
Correct Answer
Option A
Solution

(a) Peach has half-inferior (perigynous) ovary.

Q147
Which one of the following organisms is correctly matched with its three characteristics?
A Pea: C3 pathway, Endospermic seed, Vexillary aestivation
B Tomato: Twisted aestivation, Axile placentation, Berry
C Onion: Bulb, Imbricate aestivation, Axile placentation
D Maize: C3 pathway, Closed vascular bundles, Scutellum
Correct Answer
Option C
Solution

(c) Onion: bulb + imbricate aestivation + axile placentation.

Q148
In a cymose inflorescence the main axis
A Terminates in a flower
B Has unlimited growth
C Bears a solitary flower
D Has unlimited growth but lateral branches end in flowers
Correct Answer
Option A
Solution

(a) In cymose inflorescence, main axis terminates in a flower (definite growth).

Q149
Cymose inflorescence is present in :
A Solanum
B Sesbania
C Trifolium
D Brassica oleracea
Correct Answer
Option A
Solution

(a) Cymose inflorescence is present in Solanum — main axis terminates in a flower.

Q150
Placentation in tomato and lemon is
A Parietal
B Free central
C Marginal
D Axile
Correct Answer
Option D
Solution

(d) Axile placentation: ovules on central axis of multilocular ovary, e.g., tomato, lemon.

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