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USHA PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-EXERCISE
- In Ornithophily , the agents for cross pollination are
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- Zygote develops from cell of the embryo sac .
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- Fertilization was discovered by
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- Due to triple fusion , is formed .
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- The innermost layer of wall layers is
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- In due course of evolution , it is interesting to find that plants sho...
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- Covering of microspores tetrad is made of :
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- Development of haploid plants from totipotent pollen is called :
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- In pulses , proteins are stored in
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- Seed coat is derived from :
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- What is pollen grain ?
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- The ploidy of testa and tegmen is respectively :
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- Entry of pollen tube through the chalazal end is called
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- Which type of pollen grains are found in insect pollinated flowers ?
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- The aleurone layer in maize grain is specially rich in
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- The plant part which consists of two generations one with in the other...
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- The fertilization in which male gametes are carried through pollen tub...
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- Aleurone layer is part of :
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- Which of these is not essential for allogamy ?
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- Stalk with which ovule remains attached to the placenta is called
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