Question

CIAL SCIL
One Mark Questions
1.
Define sexual reproduction?
2.
List few agents of pollination.
Give one example each of unisexual & bisexual plants.
3.
4.
5.
fertilization in flowers?
What is germination?
8.
9.
(Exemplar)
Name the male and female reproductive parts present in a flower.
Which part of a flower develops into (i) a fruit, (ii) seed?
7. Why the stamens of some flowers are so long, that they protrude outside the fl
6. What is the specific name given to the tube that carries male gametes to
What is the name given to the collections of sepals & petals of a flower?
10. Where is the zygote located in the flower after fertilization?
2. What is difference between unisexual and bisexual flowers?
1. Explain how pollination in flowers differs from fertilization.
4. Draw a labelled diagram of longitudinal section of a flower.
5. What type of adaptations are generally observed in
(b) wind pollinated flowers?
Two Marks Questions
(NCERT)
(NCERT)
(a) insect pollinated flowers,
6. What is double fertilization? Why is it called so?
8. What are cotyledons and what is their use in the process of reproduction?
9. Draw labelled diagrams of reproductive parts of a flower.
10. What is difference between testa and pericarp?
Three Marks Questions
1. What is sexual reproduction?
What is the importance of sexual reproduction?
2. What is pollination? Differentiate between the two types of pollination.
3. In the diagram given alongside
(a) Label parts A to D.
(6) Define the process depicted in it.
4. Briefly describe the process of fertilization in plants.
Trace the events that would take place in a flower from time the pollen
grains of the same species fall on the stigma up to the completion of
fertilization?
5. Draw a labelled diagram showing fertilization in a longitudinal section of
carpel?
Explain its parts also?​

Answer 1

Answer:

Sexual reproduction is the process in which new organisms are created, by combining the genetic information from two individuals of different sexes. The genetic information is carried on chromosomes within the nucleus of specialized sex cells called gametes.

Explanation: