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Question
What is the function of a flower?
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Solution
The function of a flower is to carry out sexual reproduction in plants through the formation of male and female gametes. Flowers ensure that the gametes fertilise to form seeds that further help in reproducing plants.
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RELATED QUESTIONS
A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under:
I. Tegmen
II. Testa
III. Cotyledon
IV. Radicle
V. Plumule
The correctly identified parts among these are
(A) I, II and III
(B) II, III and IV
(C) III, IV and V
(D) I, III, IV and V
Give one example of a unisexual flower.
State the function of flowers in the flowering plants.
How is the process of pollination different from fertilization?
State the name of the functional unit concerned with sexual reproduction.
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Explain the terms 'self pollination'
Name the part of a seed which grows into shoot.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
Fill in the blank:
Seeds are formed from________.
Give one example each of unisexual and bisexual flowers. Differentiate between the two types of pollination that occur in flowers. What happens when a pollen lands on a suitable stigma? Write about the events that occur till the seed formation in the ovary.
Answer the following question.
How does suitable pollination lead to fertilization?
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Antipodal cells are present towards the ______ in an anatropous ovule.
Sperm and egg nuclei fuse due to ______.
In human beings, fertilization occurs in the ______
Double fertilization is essential for formation of ______.
Sketch and label the essential and accessory whorls of flower.
The pollen tube usually enters the embryo sac ______.
