Gynoecium

Q.

The arrangement of ovules within the ovary is known as___

Q.

The ___ contain female sex cell of a plant.

Q. ________ receives the pollen grains during pollination.

1. Style
2. Stigma
3. Ovary
4. Anther

Q. Flower of Datura is an example of________.

1. Gamopetalous corolla
2. Gamosepalous calyx
3. Polypetalous corolla
4. Polysepalous calyx

Q.

Anther: Pollen:: Ovary :

1. Filament

2. Ovules

3. Placenta

4. Stigma

Q.

The part of the pistil that serves as the landing place for pollen grains is ___ .

Q. Label A and B

1. A - Ovule; B - Locule
2. A - Locule; B - Placenta
3. A - Placenta; B - Ovule
4. A - Locule; B - Ovule

Q. Given alongside are two figures (A and B) of a certain part of a flower. Study the figures carefully and answer the following questions: b) Are the contents of the pollen sacs in B male or female?

Q.

Androecium : Stamens :: Gynoecium :

1. Carpels

2. Stigma

3. Ovary

4. Style

Q.

The tip of the flower stalk expanded to form a cup-shaped ________.

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1. Receptacle

2. Stigma

3. Ovary

4. Sepal

Q.

Name the following:

The outermost whorl in flower

Q.

Give one word for the following:
The swollen part at the bottom of the pistil.

Q.

An ovary may contain one or more ovules.

1. True
2. False

Q. ________ is the fourth whorl of a flower.

1. Gynoecium
2. Calyx
3. Petals
4. Androecium

Q.

What are the constituents of a pistil?

Q.

what are RAY FLORETS and DISC FLORETS?

Q.

What is keel ? name the flower which contains keel petals?

Q.

A student was asked to collect the flower not having all the whorls for a project. Which of the following plants should the student NOT pick in order to get full marks in the project?

1. Bougainvillea

2. China rose

3. Sunflower

4. Rose

Q.

Ovule develops into _________ and ovary develops into a _________.

Q. What does gynoecium mean? Describe various parts and types of gynoecium.

Q.

Give one word for the following:
The swollen tip of the pistil.

Q.

Which of the following is not a part of the innermost whorl of flower?

1. Ovary

2. Petal

3. Style

4. Stigma

Q.

which part of flower produces female egg cell

Q. From the figure, which of the labeled parts is the egg cell?

1. P
2. Q
3. R
4. S

Q.

Describe Ricinus communis in technical terms. Draw floral diagram and write floral formula of any one flower.

Q. Which among the following is not a part of gynoecium?

1. Anther
2. Ovary
3. Style
4. Stigma

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

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

Q.

What is Calyx