Boojho had the following parts of a rose plant – a leaf, roots,
a branch, a flower, a bud and pollen grains. Which of them
can be used to grow a new rose plant?
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
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