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प्रश्न
List the three stages the annuals and biennial angiosperms have to pass through during their life cycle.
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उत्तर
Vegetative, reproductive and senescent phases are the phases asociated with annual and biennial plants.
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संबंधित प्रश्न
Sketch and label stages in the development of the angiospermic female gametophyte from the functional megaspore.
A capsicum flower has 240 ovules in its ovary. But, it produces a fruit with only 180 viable seeds.
Give an example of an angiosperm seed that has a perisperm. Name the part the perisperm develops from.
Define Racemose inflorescence
Name a plant which flowers every twelve years.
Name the terminal stage of ageing in the life cycle of plants.
Give a reason for the Following:
Pollen grains of wind-pollinated flowers are produced in large quantities.
Explain the events upto double fertilisation after the pollen tube enters one of the synergids in an ovule of an angiosperm.
In a fertilized ovule, n, 2n, and 3n conditions occur respectively in ______
What is the similarity between gymnosperms and angiosperms?
The flower is a highly modified and condensed reproductive shoot specially meant for ______
In angiosperms, the site of sexual reproduction is ______.
Match List I with List II:
| List I (Types of Stamens) |
List II (Example) |
||
| A. | Monoadelphous | I. | Citrus |
| B. | Diadelphous | II. | Pea |
| C. | Polyadelphous | III. | Lily |
| D. | Epiphyllous | IV. | China-rose |
Choose the correct answer from the options given below:
A flower is biologically defined as a modified and compressed _______.
The swollen terminal part of the pedicel where all the floral whorls are arranged is known as __________.
Which of the following is considered an "essential whorl" of a flower?
The male reproductive unit of a flower, the androecium, is made up of individual members called ______.
