Placentation

Q.

The fruit whose pericarp is distinguished into epicarp, mesocarp and endocarp are called ______ fruits.

Q.

The ___ protects the flower when it is in the form of a bud in the initial stage.

Q.

A zygomorphic flower can be divided into equal halves in one particular plane. Which of the following plants bears zygomorphic flowers?

1. Datura

2. Mustard

3. Pisum

4. Chilli

Q.

When a flower can be divided into two equal halves through one plane only, the flower is said to be___flower.

Q.

What are the different criteria to classify different types of fruits?

Q. Zygomorphic flowers show bilateral symmetry.

1. False
2. True

Q. Axile placentation is present in?

1. Dianthus
2. Lemon
3. Pea
4. Argemone

Q. Describe the various types of placentation found in flowering plants.

Q.

This plant is commonly known as 4 o'clock flower. Special feature of this plant is that flowers of various colours can be present on same plant simultaneously.

Which plant is being referred to in the given information.

1. Pinus longaeva

2. Ginkgo biloba

3. Dalbergia sissoo

4. Mirabilis jalapa

Q.

In dry fruits, the entire pericarp becomes dry at maturity.

1. True
2. False

Q.

1. Four
2. Five
3. Six
4. Three

Q.

Which is true for zygomorphic flowers?

1. gulmohur

2. tomato

3. datura

4. mustard

Q.

Ovary is part of stamen.

1. True
2. False

Q.

Is septa present in free central type of placentation?

Q. Assertion :The placentation in which the placenta forms a ridge along the ventral suture of ovary and ovules are borne on this ridge forming two is called parietal placentation.
Reason: The marginal placentation has ovules developed on the inner wall of the ovary or on peripheral part

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Describe in brief the various types of placentation found in flowering plants.

Q.

Name the following:

Arrangement of flowers on the floral axis of a plant.

Q. Name a plant having basal placentation. What type of placentation is found in Pea?

Q. Axile placentation is found in

1. Cassia fistula
   
2. Hibiscus rosa-sinensis
   
3. Helianthus annuus
4. Dalbergia sisso
   

Q. In unilocular ovary the ovules develop on the inner wall of ovary. Placentation can be

1. Basal
2. Axile
3. Parietal
4. Free central

Q. What is the most advanced placentation?

1. Marginal
2. Basal
3. Axile
4. Free Central

Q.

Flowers: Inflorescence:: Ovules: ___

Q. Assertion :In fabaceae family monocarpellary, unilocular ovary is present. Reason: In fabaceae, placentation is parietal.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.

Q. Define placentation.

Q. In Dianthus, placentation is

1. Free central
2. Basal
3. Marginal
4. Axile

Q. Placentation in Brassicaceae is

1. Parietal
2. Marginal
3. Axile
4. Basal

Q.

what is staminate flower.

Q. Basal placentation occurs in

1. Poaceae
2. Solanaceae
3. Malvaceae
4. Liliaceae

Q. The type of placentation in which ovary is syncarpous, unilocular and ovules on sutures is called as

1. Apical placentation
2. Marginal placentation
3. Parietal placentation
4. Superficial placentation

Q. One chambered ovary has ovules borne on a long placenta attached to wall in the region of ventral suture. It is

1. Superficial
2. Basal
3. Marginal
4. Parietal