Parts of the Flower

Q. What is a complete flower? [1 MARK]

Q.

Match the following:
$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ 1& \text{Androecium}& \text{a}& \text{Whorl of sepals}\\ 2& \text{Gynoecium}& \text{b}& \text{Whorl of petals}\\ 3& \text{Corolla}& \text{c}& \text{Whorl of stamens}\\ 4& \text{Calyx}& \text{d}& \text{Whorl of pistil/carpel}\end{array}$

1. 1-b, 2-d, 3-c, 4-b

2. 1-c, 2-d, 3-b, 4-a

3. 1-d, 2-c, 3-b, 4-a

4. 1-b, 2-c, 3-a, 4-b

Q.

Gynoecium, the fourth whorl of a flower is also called

1. Ovary

2. Pistil

3. Corolla

4. Stamen

Q.

Fill in the blanks:

Sepals, _(a)_, stamens and _(b)_ are the parts of a flower. Stamen is made up of _(c)_ and _(d)_ and it represents the_(e)_ parts 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. is the condition in which the sepals are fused.

1. Gamosepalous
2. Polysepalous
3. Gamopetalous

Q.

After fertilisation, which part of the flower is retained in few plants?

1. Stigma

2. Style

3. Sepals

4. Stamen

Q.

Name two plants whose flowers are bisexual.

Q.

Is coconut a seedless fruit?

Q.

Sepals form the outermost part of the flower.

1. True

2. False

Q.

The calyx is a collective term for the _____________.

1. pistil

2. petal

3. sepal

4. stamen

Q.

Bougainvillea is an example of

1. an incomplete flower

2. water pollinated flower

3. a flower with large colourful bracts

4. a flower without a nectary

Q.

Identify the parts of the flower.

1. A- Pistil, B- Stamen, C-Petal, D-Sepal, E-Pollen grain

2. A- Pistil, B- Stamen, C-Petal, D-Sepal, E-Ovule

3. A- Anther, B- Pistil, C-Sepal, D-Petal, E-Ovule

4. A- Anther, B- Pistil, C-Petal, D-Sepal, E-Ovule

Q.

In a flower, pollen grains are present in __________.

1. Filaments

2. Anthers

3. Style

4. Ovary

Q.

Ovary matures to form the (i)________ while ovule forms the (ii)_______.

1. (i) seed, (ii) fruit

2. (i) fruit, (ii) seed

3. (i) seed, (ii) cotyledons

4. (i) carpel, (ii) fruit

Q.

Which of the following parts does not belong to the androecium?

1. Stigma

2. Anther

3. Filament

4. Style

Q.

Which of these is the male part of the flower?

1. Stamen

2. Pistil

3. Petals

4. Sepals

Q.

The visible parts of a bud are the petals.

1. True
2. False

Q.

Self-pollination occurs between the flowers borne on the same plant.

1. True
2. False

Q.

The prominent parts of an open complete flower are

1. Pistil

2. Stamen

3. Petals

4. Anther

Q.

How do petals differ from petaloids?

Q.

Endocarp is the outermost layer of the fruit that forms the skin.

1. True
2. False

Q.

Unisexual flowers contain

1. Both stamen and carpel

2. Only stamen

3. Only carpel

4. Either stamen or carpel

Q. When the pollen is transported from the stamen to the pistil in the same plant it is known as ______.

1. transpiration
2. self-pollination
3. fertilisation
4. cross-pollination

Q. A male flower has all the following parts except _________.

1. style
2. filament
3. pollen sac
4. sepals

Q.

__________ produce hundreds of very small structures called pollen grains.

Q. Which part of a flower turns into a fruit?
(a) sepals
(b) petals
(c) ovary
(d) none of these

Q.

Differentiate between the following:

Sepals and petals

Q. The stamen is the ___________ reproductive part of a flower.

1. male
2. female

Q.

After a flower on a mango tree is fertilized, which part of the flower develops into a seed?

1. stamen

2. anther

3. ovary

4. ovule

Q.

Female structures in flowering plants include all except

1. style

2. pistil

3. stigma

4. stamen