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प्रश्न
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
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उत्तर
Lymph flows in one direction.
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संबंधित प्रश्न
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
Name the parts A, B and C shown in the following diagram and state one function of each.
Name the parts labelled as A, B, C and D in the diagram given below:
A flower may have either male or female reproductive parts. Such a flower is called ______.
Explain what you understand by sexual reproduction.
State the name of the functional unit concerned with sexual reproduction.
Name the male part of the flower.
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...........
Explain the terms 'cross-pollination'?
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
(a) Draw a neat diagram of a flower showing its various parts. In this diagram mark stem, receptacle, sepals, petals, stamen and carpel.
(b) What name is given to (i) all the petals of a flower, and (ii) all the sepals of a flower?
(c) What are (i) stamen, and (ii) carpel, in a flower?
(d) What is the other name of carpel of a flower?
(e) What is the name of yellow powdery substance present in the anther of a flower?
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross pollination
(iv) Unisexual flower possessing only stamens cannot produce fruits
(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)
Which of the following statements are true for sexual reproduction in flowering plants?
(i) it requires two types of gametes
(ii) fertilisation is a compulsory event
(iii) it always results in the formation of zygote
(iv) offsprings formed are clones
(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (ii), (iii) and (iv)
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
Mention the function of Flower.
What part is played by stamens and carpels in reproduction?
(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
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
Sketch the labelled diagram.
Flower with its sexual reproductive organs.
Prepare a slogan for campaign against female foeticide.
Mention pollination types.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Differentiate between self-pollination and cross-pollination.
What is meant by pollination?
Find an odd one out.
Bisexual : Hibiscus : : Unisexual : ___________
Accessory whorls : Calyx and corolla : : essential whorls : ______________
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 ______
How many middle layers are generally present in the wall of the anther lobes?
Sperm and egg nuclei fuse due to ______.
Where is the zygote located in the flower after fertilization?
State the number of sets of chromosomes present in a zygote.
In a plant flower the female whorl is ______.
What is the structural unit of sexual reproduction in plant?
What is the function of calyx?
