What is the function of plumule?
Important Questions on Getting to Know Plants
Write the two events involved in the sexual reproduction of a flowering plant.
Mention the advantages and disadvantages of that event.
Write the two events involved in the sexual reproduction of a flowering plant.
Discuss the first event and explain its types.
(a) Part that is sticky to trap the pollen grain
(b) Part that develops into a fruit
Choose the correct answer from the four options given below:
The fusion of the sperm and ovum is termed as:
Given below are diagrams showing the different stages in the process of fertilisation of an egg in the female reproductive tract:
Study the diagrams and answer the questions:
(i) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation.
(ii) Where does fertilisation normally take place? What is ‘implantation’ that follows fertilisation?
(iii) Mention the chromosome number of the egg and zygote in humans.
(iv) Explain the term 'Gestation'. How long does gestation last in humans?
(v) Draw a neat labelled diagram of a mature human sperm.
What do you mean by bisexual flower? Give two examples of it.
Draw the given diagram and label the parts.
(a) Part that produces pollen grain -
(b) Part that transfers male gametes to the female gametes -
Draw the diagram of a dicot plant and label the following parts:
(i) Flower
(ii) Root
(fertilization, germination, regeneration, pollination)
