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प्रश्न
Angiosperms bearing unisexual flowers are said to be either monoecious or dioecious. Explain with the help of one example each.
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उत्तर
Flowers that possess either stamens (male) or carpels (female) are called unisexual flowers. The plants possessing both male and female flowers in the same plant are are called monoecious and when male and female flowers are present on different plants, they are known as dioecious.
Example of monoecious plants: Cucurbits and coconut
Example of dioecious plants: Papaya and date palm
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संबंधित प्रश्न
Some organisms suspend their metabolic activities to survive in unfavourable conditions. Explain with the help of any four examples.
Describe the formation of helobial endosperm
______ is the first cell of female gametophytic generation in angiosperms.
If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be ______.
The cells of endosperm have 24 chromosomes. What will be the number of chromosomes in the gametes?
The number of chromosomes in the leaf cells of a male plant is 40 and in the stem cells of a female plant is 60. If they are artificially hybridised, what will be the number of chromosomes in the endosperm?
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are ______.
Which of the following plants develops cellular type endosperm?
What is the developmental fate of the chalazal chamber in helobial type endosperm?
In a coconut, what do the coconut water and white kernel represent morphologically?
