The mature seed of plants such as gram and peas, possess no endosperm, because
1. | These plants are not angiosperms |
2. | There is no double fertilization in them |
3. | Endosperm is not formed in them |
4. | Endosperm gets used up by the developing embryo during seed development |
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Roots developed from parts of the plant other than radicle are called
1. Taproots
2. Fibrous roots
3. Adventitious roots
4. Nodular roots
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Venation is a term used to describe the pattern of arrangement of
1. Floral organs
2. Flower in inflorescence
3. Veins and veinlets in a lamina
4. All of them
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Endosperm, a product of double fertilization in angiosperms is absent in the seeds of
1. | Gram | 2. | Orchids |
3. | Maize | 4. | Castor |
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Many pulses of daily use belong to one of the families below (tick the correct answer)
1. Solanaceae
2. Fabaceae
3. Liliaceae
4. Poceae
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The placenta is attached to the developing seed near the
1. Testa
2. Hilum
3. Micropyle
4. Chalaza
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Which of the following plants is used to extract the blue dye?
1. Trifolium
2. Indigofera
3. Lupin
4. Cassia
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Match the followings and choose the correct option :
Group A | Group B | ||
A. | Aleurone layer | i. | without fertilization |
B. | Parthenocarpic fruit | ii. | Nutrition |
C. | Ovule | iii. | Double fertilization |
D. | Endosperm | iv. | Seed |
Options:
A | B | C | D | |
1. | i | ii | iii | iv |
2. | ii | i | iv | iii |
3. | iv | ii | i | iii |
4. | ii | iv | i | iii |
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The inflorescence shown in the given figure is:
1. Hypanthodium where A are male flowers and B are female flowers
2. Hypanthodium where A are female flowers and B are male flowers
3. Verticillaster where A are male flowers and B are female flowers
4. Verticillaster where A are female flowers and B are male flowers
The condition of stamens shown in the given picture is called:
1. Diadelphous | 2. Polyadelphous |
3. Syngenesious | 4. Synandrous |