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प्रश्न
__________ is present in unisexual flower.
विकल्प
Both androecium and gynoecium
Only androecium
Only gynoecium
Androecium or gynoecium
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उत्तर
Androecium or gynoecium is present in unisexual flower.
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संबंधित प्रश्न
In the following diagram showing the structure of embryo of a dicot seed, what are the parts marked I, II and III sequentially?
Name the parts A, B and C shown in the following diagram and state one function of each.
How is the process of pollination different from fertilization?
The reproductive part of a plant is the ______.
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
Explain the terms 'self pollination'
Explain the terms 'cross-pollination'?
How is the process of pollination different from fertilization?
Which of the following statements are true for flowers?
(i) Flowers are always bisexual.
(ii) They contain sexual reproductive organs.
(iii) They are produced in all groups of plants.
(iv) after fertilization they give rise to fruits.
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
What are the male and female gametes in a flowering plant?
What part is played by stamens and carpels in reproduction?
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.
Identify A, B, C and D in the given diagram and write their names.
What is phototropism?
Describe an activity to demonstrate phototropism.
Sketch the labeled diagram:
Flower with its sexual reproductive organs
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Differentiate between self-pollination and cross-pollination.
Calyx : Sepals : : Corolla : ________________
Observe the figure below. Write functions of the labelled parts.
In which part of the flower germination of pollen grains takes place?
The anther wall consists of four wall layers where ______
Conidia are formed endogenously while zoospores are formed endogenously.
In human beings, fertilization occurs in the ______
Length of pollen tube depends on the distance between ______
Double fertilization is essential for formation of ______.
Double fertilization means ______.
Give any two examples of agents of pollination.
What are the agents for pollination?
What is puberty?
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
