Advertisements
Advertisements
प्रश्न
List the three stages the annuals and biennial angiosperms have to pass through during their life cycle.
Advertisements
उत्तर
Vegetative, reproductive and senescent phases are the phases asociated with annual and biennial plants.
संबंधित प्रश्न
Read the statement and answer the questions that follow.
A flower of brinjal has 520 ovules in its ovary. However, it produces a fruit with only 480 viable seeds.
(a) What could have prevented the rest of the 40 ovules from maturing into viable seeds? Explain giving a reason.
(b) Describe the development of a dicot embryo in a viable seed.
(c) Why certain angiospermic seed albuminous while others are exalbuminous? Explain.
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
Give a reason for the Following:
Pollen grains of wind-pollinated flowers are produced in large quantities.
Sketch and label ‘structure of a pea flower’.
The flower is the site of ______.
Verticillaster inflorescence is a characteristic feature of ______.
Angiosperms have dominated the land flora primarily because of their ______.
Place the following groups of plants in order, beginning with those that first appeared on the earth and progressing toward those that appeared most recently in time.
What is the similarity between gymnosperms and angiosperms?
Which of the following statement is incorrect?
In angiosperms, the site of sexual reproduction is ______.
Male and female reproductive structures of the angiosperms are ______.
Axile placentation is observed in ______.
A flower is biologically defined as a modified and compressed _______.
Which part of the flower is responsible for protecting the inner floral parts during the bud stage?
The swollen terminal part of the pedicel where all the floral whorls are arranged is known as __________.
