Fertilization in plants is essential for survival of organisms. What might happen if this mechanism is affected?
Important Questions on Pollination and Fertilisation
(fertilization, germination, regeneration, pollination)
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.
Choose the correct answer from the four options given below:
The fusion of the sperm and ovum is termed as:
Write the two events involved in the sexual reproduction of a flowering plant.
Mention the advantages and disadvantages of that event.
Draw the given diagram and label the parts.
Write the two events involved in the sexual reproduction of a flowering plant.
Discuss the first event and explain its types.
What do you mean by bisexual flower? Give two examples of it.
