Selina solutions concise biology class 6 icse Solutions for Chapter 2 the flower

Q1) What is meant by pollination? Name the two types of pollination.

Q2) Imagine that all the seeds produced by a plant happen to fall under the same plant and sprout into new plants. Mention any two problem that will be faced by the new plants.

Q3) What is a flower? Draw a typical flower and label its different parts.

Q4) With the help of a suitable labelled diagram, describe the structure of a dicot seed.

Q5) Define germination? Name the two types of germination. Explain with examples

Q6) What are the three conditions necessary for the germination of seeds. How would you demonstrate this?

Q7) Give the main difference between hypogeal and epigeal germination.

Q8) State the location of following in a flower

1. Sepals

2. Petals

3. Anther

4. Stigma

Q9) Given below is the diagram of a typical flower. Label the parts marked by guidelines

Q10) Give the difference in the function between the following parts:

(a) Ovary and ovule

(b) Petal and sepal

(c) Filament and style

(d) Pollen and ovule

Q1) Put a tick mark against the correct alternative in the following statements:

(a) In a germinating seed, the roots develop from:

1. Radicle

2. Plumule

3. Tegmen

4. Hilum

(b) in a germinating seed, the shoot develops from:

1. Radicle

2. Plumule

3. Tegmen

4. Hilum

(c) which one of the following is a monocotyledonous seed?

1. Bean

2. Pea

3. Maize

4. Gram

(d) if the cotyledons are pushed above the soil, then such type of germination is called:

1. Hypogea

2. Epigeal

3. Perigeal

4. Progeal

(e) if the cotyledons remain under the soil, then such seeds type of germination is called:

1. Hypogea

2. Epigeal

3. Perigeal

4. Progeal

(f) pollen is produced in the _______________________________________

1. Filament

2. Style

3. Pistol

4. Anther

(g) reproductive whorls of a flower are _______________________________________:

1. Stamens and carpels

2. Sepals and petals

3. Sepals and stamens

4. Petals and carpels

PQ. vegetative propagation is not observed in _______________________________________:

1. Potato

2. Tomato

3. Pea

4. Bean

(h) which one of the following is a false fruit?___

1. Tomato

2. Apple

3. Potato

4. Pea

(i) in seed, food is generally stored in _______________________________________

1. Radicle

2. Pumule

3. Fruit

4. Cotyledons of endosperms

Q1) Given below is a longitudinal section of a bean seed. Label the partrs marked 1 to 5 and write their functions.

Q2) Name the following:

(a) A seed which shows hypogeal germination

(b) A monocot seed

(c) A dicot seed

(d) A seed which shows epigeal germination.

Q3) Differentiate between the following pairs of terms:

(a) Radicle and plumule.

(b) Ilium and micropyle

(c) Testa and tegmen

Q4) Give two functions of fruit.

Q5) Match the columns:

Q6) Radicle emerges out of the seed earlier than plumule. What one advantage is served by this?

Q8) State one function of the following:

(a) radicle (b) cotyledon (c) endosperm (d) micropyle

Q7) State true or false: (a) Some seeds have no cotyledons.

(b) Warmth is necessary for the germination of seeds.

(c) All seeds have two cotyledons.

(d) Oxygen is necessary for the germination of seeds.

Q9) The three conditions necessary for germination of seeds are (tick the correct answer)

(a) Oxygen, suitable temperature and water

(b) Good soil, water and air

(c) Good soil, suitable temperature and light

(d) Light, oxygen and temperature

(e) Oxygen, Carbon dioxide, and light

Q10) Name the part of the seeds from which the following are given out:

(a) Roots (b) Leaves

Q11) In the spaces provided below, draw labelled diagrams to show the three stages in the germination of any seed you have observed.