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प्रश्न
Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
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उत्तर
| Column A | Column B |
| i. Stigma | (b) Carpel |
| ii. Pepsin | (c) Protein |
| iii. Dendrites | (a) Neuron |
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संबंधित प्रश्न
State the function of flowers in the flowering plants.
The anther contains ______.
Name the part made up of the stigma, style and ovary.
What is the function of a flower?
What are the reproductive organs in a flower?
What is the name of female part of a flower?
What is the name of female organ of a flower (other than carpel)?
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
What is made in ovary of a flower?
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Fill in the blank:
Seeds are formed from________.
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
The students of a class were asked by the teacher to study the different parts of an embryo of an angiosperm. Given below are the essential steps for the experiment :
A. Soak the seeds in plain water and keep them overnight.
B. Cut open the soaked seed and observe its different parts.
C. Take some healthy seeds in a petri-dish.
D. Drain the excess water, cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(a) C, A, D, B
(b) C, D, A, B
(c) A, C, D, B
(d) A, C, B, D
Explain the process of fertilisation in flowers.
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
Write the names of male and female reproductive parts of a flower.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
Differentiate between self-pollination and cross-pollination.
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Find an odd one out.
Give scientific reason.
Flower is a structural unit of sexual reproduction in plants.
Distinguish between self-pollination and cross-pollination.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
The anther wall consists of four wall layers where ______
Which type of development is observed in male gametophytes of plants?
The 3-celled egg apparatus at the micropylar end comprises of ______
In a flowering plant, archesporium gives rise to ______.
Conidia are formed endogenously while zoospores are formed endogenously.
Which among the following statements are true for sexual reproduction in flowering plants?
- It requires two types of gametes
- Fertilisation is a compulsory event
- It always results in formation of zygote
- Offspring formed are clones
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
What is the structural unit of sexual reproduction in plant?
What is the function of calyx?
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
Explain the post fertilization changes that occur in the ovary of a flower.
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
