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प्रश्न
Find an odd one out.
पर्याय
Hibiscus
Papaya
Sun-flower
Rose
Mango
उत्तर
Papaya
APPEARS IN
संबंधित प्रश्न
Name the parts labelled as A, B, C and D in the diagram given below:
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
Sketch the reproductive parts of a flower.
Name the male part of the flower.
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
Name the part of a seed which grows into shoot.
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
Describe the process of fertilisation in a flower with the help of labelled diagrams.
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
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.
In what ways is fertilisation in a plant different from fertilisation in a human?
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Fill in the blanks:
A stamen consists of ______ and ________.
Mention the function of Anther.
What are the male and female gametes in a flowering plant?
What part is played by stamens and carpels in reproduction?
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.
Identify A, B, C and D in the given diagram and write their names.
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
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Prepare a slogan for campaign against female foeticide.
What is pollination? Mention its types.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Pollen grains are formed by _________ division in locules of anthers.
Accessory whorls : Calyx and corolla : : essential whorls : ______________
Pollen tube reaches the embryo sac via style.
Explain the sexual reproduction process in plants with a diagram.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
The ovule of an angiosperm is technically equivalent to ______
Which of the following is the outermost protective layer of anther?
Sperm and egg nuclei fuse due to ______.
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
Double fertilization means ______.
What is the structural unit of sexual reproduction in plant?
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
Type of sexual reproduction is ______.
The pollen tube usually enters the embryo sac ______.
