Pick the odd one out from the following on the basis of mode of
reproduction and give reason for it.
Sugarcane, Potato, Rice, Rose
Fungus, moss and fern reproduce by a common method of asexual reproduction. Name the method.
Pollination refers to the
(a) transfer of pollen from anther to ovary.
(b) transfer of male gametes from anther to stigma.
(c) transfer of pollen from anther to stigma.
(d) transfer of pollen from anther to ovule.
Which of the following statements is/are true for sexual
reproduction in plants?
(i) Plants are obtained from seeds.
(ii) Two plants are always essential.
(iii) Fertilisation can occur only after pollination.
(iv) Only insects are agents of pollination.
Choose from the options given below.
(a) (i) and (iii) (b) (i) only
(c) (ii) and (iii) (d) (i) and (iv)
The ovaries of different flowers may contain
(a) only one ovule
(b) many ovules
(c) one to many ovules
(d) only two ovules
The ‘eye’ of the potato plant is what
(a) the root is to any plant.
(b) the bud is to a flower.
(c) the bud is to Bryophyllum leaf.
(d) the anther is to stamen.
Seeds of drumstick and maple are carried to long distances by
wind because they possess
(a) winged seeds
(b) large and hairy seeds
(c) long and ridged fruits
(d) spiny seeds
Lila observed that a pond with clear water was covered up with
a green algae within a week. By which method of reproduction
did the algae spread so rapidly?
(a) Budding
(b) Sexual reproduction
(c) Fragmentation
(d) Pollination
Which of the following parts of a plant take part in sexual
reproduction?
(i) Flower
(ii) Seed
(iii) Fruit
(iv) Branch
Choose the correct answer from below.
(a) (i) and (ii) (b) (i), (ii) and (iii)
(c) (iii) and (iv) (d) (ii), (iii) and (iv)
While learning to ride a bicycle Boojho lost his balance and
fell. He got bruises on his knees and it started bleeding.
However, the bleeding stopped after some time.
(a) Why did the bleeding stop?
(b) What would be the colour of the wounded area and why?
(c) Which type of blood cells are responsible for clotting of
blood?
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