Practice free Morphology of Plants (Botany) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Which of the following is an example of actinomorphic flower?
Datura shows radial (actinomorphic) symmetry; the rest are zygomorphic.
Match List I with List II.
| List I (Types of Stamens) | List II (Example) |
|---|---|
| A. Monoadelphous | I. Citrus |
| B. Diadelphous | II. Pea |
| C. Polyadelphous | III. Lily |
| D. Epiphyllous | IV. China-rose |
Choose the correct answer from the options given below:
Monoadelphous — China rose (one bundle); Diadelphous — Pea; Polyadelphous — Citrus; Epiphyllous — Lily (stamens fused to perianth).
Match List I with List II.
| List I | List II |
|---|---|
| A. Rose | I. Twisted aestivation |
| B. Pea | II. Perigynous flower |
| C. Cotton | III. Drupe |
| D. Mango | IV. Marginal placentation |
Choose the correct answer from the options given below:
Rose — perigynous; Pea — marginal placentation; Cotton — twisted aestivation; Mango — drupe.
Given below are two statements:
Statement I: In a floral formula ⊕ stands for zygomorphic nature of the flower, and G̲ stands for inferior ovary.
Statement II: In a floral formula ⊕ stands for actinomorphic nature of the flower and G̲ stands for superior ovary.
In the light of the above statements, choose the correct answer:
The symbol ⊕ denotes actinomorphic (radial) symmetry and G̲ (line below G) denotes a superior ovary. Hence Statement II is correct and Statement I is incorrect.
In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called:
In cereal grains the outermost protein-rich layer of the endosperm that separates it from the embryo is the aleurone layer.
Which of the following is an example of a zygomorphic flower?
Pea (Pisum) has a zygomorphic (bilaterally symmetrical) flower; Petunia, Datura and Chilli are actinomorphic.
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