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15 Questions

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Pharmacognosy II Quiz

Created by

@SmoothTopaz548

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Questions and Answers

What is the purpose of the mature fertilized ovule?

To protect the plant from predators

To form new plants on germination (correct)

To store nutrients for the plant

To attract pollinators

Where are ovules arranged in the ovaries?

On petals

On sepals

On placentae (correct)

On stamens

What is the micropyle?

Minute pore through which pollination occurs (correct)

A protective layer of the ovule

A structure for storing nutrients

A part of the seed coat

What is the chalaza?

Basal swollen part of the nucellus Signup and view all the answers

What is the purpose of the integuments in a mature typical ovule?

To envelop the nucellus Signup and view all the answers

What is the purpose of the integuments in a mature typical ovule?

To protect the nucellus and the embryo Signup and view all the answers

Where are ovules arranged in the ovaries?

On placentae Signup and view all the answers

What is the micropyle?

The minute pore through which pollination occurs Signup and view all the answers

What is the purpose of the mature fertilized ovule?

To form new plants on germination Signup and view all the answers

What is the chalaza?

Signup and view all the answers

What is the purpose of an ovule?

To form new plants on germination Signup and view all the answers

What is the minute pore through which pollination occurs called?

Micropyle Signup and view all the answers

What is the basal swollen part of the ovule called?

Chalaza Signup and view all the answers

What envelops the mass of parenchymatous tissues in a mature typical ovule?

Integuments Signup and view all the answers

Where are ovules arranged in the ovaries?

On placentae Signup and view all the answers

Study Notes

Ovule Structure and Function

A mature fertilized ovule develops into a seed, which contains a fertilized egg and provides nutrients to the developing embryo.
Ovules are arranged in the ovaries, which are the female reproductive organs of a flower.

Ovule Components

The micropyle is the minute pore through which pollination occurs.
The chalaza is the basal swollen part of the ovule.
Integuments are the outer layers that envelop the mass of parenchymatous tissues in a mature typical ovule.
The purpose of integuments is to protect the ovule and facilitate fertilization.

Ovule Function

The purpose of an ovule is to develop into a seed after fertilization, containing a fertilized egg and providing nutrients to the developing embryo.

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Description

Test your knowledge of Pharmacognosy II with this quiz. Challenge yourself to identify essential topics such as seeds, fruits, rhizomes, roots, and their phytoconstituents. Assess your understanding of morphological and microscopical characterization principles and the sources and chemical properties of phytoconstituents.