Concept of Fruit

Q.

Choose the correct option

An aggregate fruit is one which develops from-

1. multicarpellary apocarpous gynoecium

2. multicarpellary syncarpous gynoecium

3. multicarpellary superior ovary

4. complete inflorescence

Q.

Define monoecious plant.

Q. A fruit develops from ovaries of many flowers in an inflorescence while fruit develops from a single flower with multiple ovaries.

1. true
2. multiple
3. false
4. aggregate

Q.

Describe the different parts of fleshy fruit.

Q.

Is brinjal an example of parthenocarpic?

Q.

Name the parts of the fleshy fruit.

Q.

Growth hormone treatment induces formation of seedless fruits. Such fruits are called

1. True fruits

2. False fruits

3. Parthenocarpic fruits

4. Aggregate fruits

Q.

Fruit formation without fertilization is known as

1. Parthenocarpy

2. Autogamy

3. Allogamy

4. Endocarp

Q. Two different types of gametes produced by different sexes of the same species are called ______.

1. isogametes
2. heterogametes
3. homogametes
4. tetragametes

Q.

How is an aggregate fruit formed?

Q. 'X' is a plant hormone that helps in seed germination and 'Y' is a hormone that helps in dormancy of embryo. Identify 'X' and 'Y'.

Q.

False fruits are -

1. Fruits which develop from the ovary without fertilisation

2. Fruits which develop from parts of the flower other than the ovary

3. Fruits without seeds

4. Fruits without pericarp

Q. What is parthenocarpy? Which phytohormone(s) can help in this process?

Q.

Which plant hormone helps in overcoming genetic dwarfism?

Q. ________ hormone promotes ripening of fruits.

1. Auxin
2. Cytokinin
3. Ethylene
4. Gibberellin

Q. ________ develops into fruit post fertilisation.

1. Petals
2. Stigma
3. Ovary
4. Ovule