Questions
Q1] Complete the Following Chart
FLOWERING PLANT
Flower
NON-REPRODUCTIVE
REPRODUCTIVE
PARTS
PARTS
MALEAndroecium
(stamen
Calyx
sepals
Anther
(pollen)
Stigma
Q 2] Name the Following:
1. Part of the flower where ovule is formed.
2. Three agents of pollination.
3. Fertilization taking place in flowering plants
4. A minute opening through which pollen tube enters the ovule.
5. The nutritive tissue lining inside of ovule.
6. The fusion of three nuclei to form endosperm .
7. Three agents of pollination.
8. The part of embryo that grows into shoot.
9. The hard outer cover of the seed.
10.The fusion of male and female gametes to produce zygote.
Q4] State whether the following statements are true or false.
1.
2.
3.
4.
In plants male and female reproductive organs are always found on separate plants.
Flowers are reproductive parts of a plant.
Butterflies help in cross- pollination.
After pollination ovary develops into a seed.
5.
6.
7.
8.
Endosperm is absent in maize seed.
Insect pollinated flowers are brightly coloured.
Stamens make egg cells.
Wind-pollinated flowers produce pollen grains in large quantity
Q 5] Study the following diagram that shows the plant gynoecium and answer the questions
that follow.
1. Provide labels for parts numbered 1 to 9.
2. Describe the processes that will take place to the numbered parts 6 and 8 after fertilisation?
3. What does the term double fertilisation mean?
Q 6] Complete the Following Blanks
1. __________is the transfer of the male
grain from the ___________to the
_______of the female pistil.
2. ____________is the union of male and female gamete to form a ______.
3. Each ovule has one or two protective coverings the _______________.
4. In the centre of the nucellus is the _________.
5. Pollen grain germinates only if it has fallen on the stigma of the _____plant otherwise it
gets decomposed.
6. A ___________grows out of the pollen grain by breaking through its ____.
7. The ___________________ divides into two male nuclei .
8. The pollen tube grows through the stigma and style and reaches the ovary by dissolving
the tissues with the help of the _________.
9. In the ovary the pollen tube pushes through the ___________and reaches the embryo sac
10.The __________which had directed the growth of pollen tube all the way down, now
disintegrates.
11.Seed develops from ________________.
12.The nutritive tissue of the ovule _____________.
Q7] Explain the following terms.
1.
2.
3.
4.
5.
6.
Pollination
Cross Pollination
Artificial Pollination
Fertilization
Germination
Seed
Q.8] State the fate of each of the following after fertilization:
1.
2.
3.
4.
5.
6.
7.
Ovary
Ovule
Outer Integument
Secondary Nucleus
Egg cell
Calyx
Stamen
Q.9] Differentate between the following:
1.
2.
3.
4.
Albuminous seed and Exalbuminous seed.
Fruit and Seed.
Monocotyledonous seed and Dicotyledonous seed.
Testa and Tegmen.
5.
6.
7.
8.
9.
Radicle and Plumule .
Epigeal germination and Hypogeal Germination.
Bean seed and Maize grain.
Coleorhiza and Coleoptile.
Epicotyl and Hypocotyl.
Q.10] State the function of the following of maize grain:
1. Pericarp
2. Endosperm
3. Aleurone layer
4. Epithelial layer
5. Plumule
Q.10] Briefly explain the factors that are necessary for germination.
Q.11] Three bean experiment set up is shown below.
1. What is the aim of the above experiment?
2. What do you observe in seed A, B and C?
Q.12] Give two examples of :1. Albuminous seed
2. Exalbuminous seed
3. Monocot seed
4. Dicot seed
5. Hypogeal Germination
6. Epigeal germination
7. Vivipary germinating seed.
Q.13] given alongside is the diagram of a bean seed.
a) Label the parts marked A, B, C, D and E
b) Give future of the parts labelled A, E, C.
Q.13] Draw a neat labelled diagram of:1. Mature Pollen grain
2. A bisexual flower showing the various parts.
3. Germinating pollen grain