Non Essential Parts of Flowers

Q.

Define perigynous flower?

Q.

What do you mean by axial/terminal flower?

Q.

In which part of the flower ovary is found?

Q.

Draw a bisexual flower and label the following a) Sepal b) Ovary

Q.

(a)____, stamens and (b) ____ are the parts of a flower. Stamen is made up of (c) ____ and (d) ____ and it represents the (e) ____part of the flower. The female part of the flower is called the (f) _____. The basal, swollen part of the pistil is called the (g) ____ which contains the (h) _____.

Q.

Which of the following terms constitute the female part of the flower :

1. sepals, petals and stamen

2. ovary, style and stamen.

3. stigma, style and ovary

4. ovary, stamen and stigma

Q.

Each of the small leaf-like structures found at the lower end of a flower bud is called a _________.

Q.

This is the swollen top of the stamen

1. Stigma

2. Pollen tube

3. Anther

4. Filament

Q.

The ovary , style and stigma are together known as:

1. stigma

2. carpel

3. ovary

4. filament

Q.

This connects stigma to ovary

1. Ovule

2. Style

3. Filament

4. Anther

Q.

The innermost whorl in a bisexual flower.

Q.

Copy the given diagram of a flower in your notebook and label the following parts.

Thalamus, stigma, style, sepals, stamen and petals.

Q. Label the parts of the typical flower.

1. 1- Petal, 2- Sepal, 3- Anther, 4-Filament, 5-Style, 6-Stigma, 7- Ovary, 8-Thalamus
2. 1-Thalamus, 2- Filament 3- Sepal, 4- Anther, 5-Petal, 6-Style, 7-Stigma, 8- Ovary,
3. 1- Ovary 2- Filament 3- Sepal, 4- Anther, 5-Petal, 6-Style, 7-Stigma, 8- Thalamus
4. 1- Thalamus, 2- Sepal, 3-Filament, 4- Anther, 5-Petal, 6-Stigma, 7-Style, 8- Ovary

Q. The spongy seeds or seeds with the fibrous outer coat are generally dispersed by ___.

1. wind
2. animals
3. water
4. gravity

Q. Sepals protect the flower during its ________ stage.​

1. pollination
2. bud ​
3. flowering​
4. withering ​

Q. Why is cross-pollination preferred over self-pollination?

1. The fruits developed after fertilisation are large.
2. Variation does not occur.
3. It increases the chances of variation.
4. It takes less time for fertilisation.

Q.

The _________ of a flower together form the corolla.

1. anthers

2. carpels

3. petals

4. sepals

Q. _________ is the female part of the flower.​

Q.

Why is cross-pollination preferred over self-pollination?

1. The fruits developed after fertilisation are larger.

2. It increases the chances of variation.

3. It takes less time for fertilisation.

4. It makes sure that variations don't occur.

Q. Identify the filaments in the flower.

1. 
2. 
3. 
4. 
5. 

Q. Identify the filaments in the flower.

1. 
2. 
3. 
4. 
5. 

Q. Match the following to the correct whorls.

1. Stamens
2. Pistils
3. Petals
4. Sepals

Q.

The _________ of a flower together form the corolla.

1. anthers

2. carpels

3. petals

4. sepals