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प्रश्न
Find the odd one out:
पर्याय
Stigma
Anther
Style
Ovary
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उत्तर
Anther
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संबंधित प्रश्न
Name the parts A, B and C shown in the following diagram and state one function of each.
A student has to perform the experiment "To identify the different parts of an embryo of a dicot seed." Select from the following an appropriate group of seeds:
(a) Pea, gram, wheat
(b) Red kidney bean, maize, gram
(c) Maize, wheat, red kidney bean
(d) Red kidney bean, pea, gram
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
Fill in the following blank with suitable word :
The term used to refer to the transfer of pollen from the stamen of one flower to the carpel of another flower of the same species is...........
Give some examples of different modes of fertilisation in nature?
What is meant by ‘unisexual flowers’?
Describe the process of fertilisation in a flower with the help of labelled diagrams.
Draw a neat diagram of a flower showing its various parts. In this diagram mark stem, receptacle, sepals, petals, stamen and carpel.
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
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.
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
Mention the function of Flower.
Draw a labelled diagram of a bisexual flower.
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
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.
(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.
In the figure, the parts marked A, B and C are sequentially:
(A) Plumule, Radicle and Cotyledon
(B) Radicle, Plumule and Cotyledon
(C) Plumule, Cotyledon and Radicle
(D) Radicle, Cotyledon and Plumule
Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing process of germination of pollen grains on stigma and label the following parts:
(a) Female germ cell
(b) Male germ cell
(c) Ovary
Explain sexual reproduction in plants.
Mention pollination types.
__________ is present in unisexual flower.
Define.
Inflorescence
The essential parts of a flower are ______.
Which of the following is the outermost protective layer of anther?
Identify the female gametophyte in angiosperms.
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
The seed that contains the future plant is called the ______
Which out of the following processes does not lead to the formation of clones.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
What is the function of calyx?
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
