Endosperm is formed during the double fertilization by:
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In Angiosperms pollen tube liberate their male gametes into the: |
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Vernalisation stimulates flowering in |
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Ornithophily refers to the pollination by which of the following: |
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Ovule is attached to the placenta of ovary wall by: |
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Which one of the following is not a correct explanation of cross pollination? |
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What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells? |
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Which one of the following statements is wrong? |
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Consider the following statements and chose the correct option. (a) The genetic constitution of a plant is unaffected in vegetative propagation (b) Rhizome in ginger serves as an organ of vegetative reproduction (c) Totipotency of cells enables us to micropropagate plants |
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Double fertilization involves: |
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The first cell of suspensor towards micropyle which absorbs food material is |
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