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Question
Name the parts A, B and C shown in the diagram and write their functions.
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Solution
A - Stigma
Function: Pollen lands and germination starts
B - Pollen tube
Function: It carries the pollen to the egg cell for fertilisation.
C - Egg cell
Function: It fuses with the male gamete to form a zygote.
RELATED QUESTIONS
A student has to perform the experiment "To identify the different parts of an embryo of a dicot seed." Select from the following an appropriate group of seeds:
(a) Pea, gram, wheat
(b) Red kidney bean, maize, gram
(c) Maize, wheat, red kidney bean
(d) Red kidney bean, pea, gram
Name and differentiate between the two modes of pollination in flowering plants.
How is the process of pollination different from fertilization?
Where is the male gamete formed in flowering plants?
Name the part of a seed which contains stored food.
In what ways is fertilisation in a plant similar to fertilisation in a human?
Fill in the blanks:
A stamen consists of ______ and ________.
(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.
Length of pollen tube depends on the distance between ______
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
