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प्रश्न
What are the reproductive organs in a flower?
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उत्तर
Stamen and carpel are the reproductive organs of a flower.
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संबंधित प्रश्न
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
Name the parts labelled as A, B, C and D in the diagram given below:-
State the function of flowers in the flowering plants.
Explain what you understand by sexual reproduction.
Name the male part of the flower.
Where is the male gamete formed in flowering plants?
Where is the female gamete formed in flowering plants?
How is the process of pollination different from fertilization?
| When an insect sits on the flower of a plant then somene particles A present in the top of little stalks in the flower attach to its body hair. When this insect now sits on the flower of another similar plant, then particles A attached to the hair of insect are put on the top of a flask-shaped organ at the centre of flower. The particle A grows a long tube B from the top of flask-shaped organ through which C moves down and reaches the bottom part of flask-shaped organ. Here C fuses with the nucleus of D contained in structure E. The fusion of C and D forms a new cell F which grows and develops into a seed of the plant. |
- What are particles A? What is the process of transferring A from one flower to another flower of similar plant by the insect known as?
- What is the name of tube B?
- What is C which moves down through the tube B?
- Name D and E.
- What is F?
Fill in the blanks:
A stamen consists of ______ and ________.
“Cell division is a type of reproduction in unicellular organism.” Justify.
Mention pollination types.
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Write the functions of sepals
The male reproductive part of a flower is ______.
Conidia are formed endogenously while zoospores are formed endogenously.
The process of release of eggs from the ovary is called ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
