Why vivipary is an undesirable character for annual crop plants?
1. It reduces vigour of the plant.
2. It adversely affects the fertility of the plant.
3. The seeds exhibit long dormancy.
4. The seeds cannot be stored under normal conditions for next season.
In cereal grain, single cotyledon is represented by
1. Coleoptile
2. Coleorhiza
3. Scutellum
4. Prophyll
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Which one of the following statements is correct?
1. The seed in grasses is not endospermic.
2. Mango is a parthenocarpic fruit.
3. A proteinaceous aleurone layer is present in maize grain.
4. A sterile pistil is called a staminode.
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The wheat grain has an embryo with one, large, shield-shaped cotyledon known as:
1. Coleorrhiza
2. Scutellum
3. Coleoptile
4. Epiblast
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Three crops that contribute maximum to global food production are
1. Wheat, Rice and Maize
2. Wheat, Rice and Barley
3. Wheat, Maize and Sorghum
4. Rice, Maize and Sorghum
What type of placentation is seen in Sweet Pea?
1. Marginal
2. Basal
3. Axile
4. Free central
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Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septum and a fruit of capsule or berry, belong to the family
1. | Liliaceae | 2. | Asteraceae |
3. | Brassicaceae | 4. | Solanaceae |
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The floral formula is that of
1. Tobacco
2. Tulip
3. Soybean
4. Sunnhemp
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The floral formula represents
1. Solanumnigrum
2. Hibiscus rosa-sinensis
3. Citrus aurantum
4. Brassica campestris
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