Morphology of Flowering Plants
Test 3

Correct answer Carries: 4.

Wrong Answer Carries: -1.

What is the function of the root cap?

Absorbs water
Protects root tip
Produces root hairs
Stores food
2

The root cap is a thimble-like structure that protects the root tip as it grows through the soil.

Which of the following statements about seed structure is correct?

The seed coat protects the embryo
The radicle develops into the shoot
The plumule gives rise to the root
The endosperm is always present in dicot seeds
1

The seed coat provides protection to the embryo, preventing damage and desiccation.

Which of the following statements about the root system is incorrect?

Taproots are common in monocots
Fibrous roots are found in wheat
Adventitious roots develop from plant parts other than the radicle
Pneumatophores help in gaseous exchange
1

Taproots are characteristic of dicots, while monocots usually have fibrous root systems.

Which of the following statements about stem modifications is correct?

Rhizomes are aerial modifications of stems
Thorns in citrus plants are modified leaves
Tendrils in cucumber are modified stems
Tubers in potato store water
3

Stem tendrils, as seen in cucumber, help in climbing by coiling around support structures.

Which structure is present in the axil of a leaf and can develop into a branch?

Petiole
Axillary bud
Leaf base
Stipule
2

An axillary bud is present in the axil of a leaf and may develop into a branch.

What is the term for a leaf where the lamina is divided into leaflets?

Simple leaf
Compound leaf
Reticulate leaf
Pinnate leaf
2

A compound leaf has a lamina divided into multiple leaflets.

Which term describes a flower with both androecium and gynoecium?

Unisexual
Bisexual
Zygomorphic
Apocarpous
2

Bisexual flowers have both male (androecium) and female (gynoecium) reproductive organs.

Which of the following is an incorrect statement about placentation?

Marginal placentation is found in pea
Axile placentation is seen in tomato
Parietal placentation is observed in mustard
Basal placentation occurs in hibiscus
4

Basal placentation is found in sunflower, not hibiscus. Hibiscus has axile placentation.

Which of the following statements about flower symmetry is correct?

Actinomorphic flowers can be divided into two equal halves in only one plane
Zygomorphic flowers can be divided into multiple symmetrical halves
Actinomorphic flowers exhibit radial symmetry
Pea flowers exhibit actinomorphic symmetry
3

Actinomorphic flowers have radial symmetry, meaning they can be divided into equal halves in multiple planes.

Which of the following is an incorrect statement about fruit types?

Berry fruits develop from a single ovary
Drupe fruits have a hard endocarp
Aggregate fruits develop from multiple ovaries of a single flower
Dry dehiscent fruits do not split open at maturity
4

Dry dehiscent fruits, such as legumes, split open at maturity to release seeds.

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