Morphology of Flowering Plants Chapter-Wise Test 7

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which of the following statements about fruits is incorrect?

Drupe fruits have a hard endocarp
Berry fruits have a fleshy pericarp
Legumes do not split open at maturity
Aggregate fruits develop from multiple ovaries of a single flower
3

Legumes are dehiscent fruits that split open at maturity to release seeds.

Which of the following statements about flower symmetry is correct?

Zygomorphic flowers can be divided into two equal halves in multiple planes
Actinomorphic flowers have bilateral symmetry
Pea flowers exhibit zygomorphic symmetry
Sunflower flowers are zygomorphic
3

Pea flowers are zygomorphic, meaning they can be divided into two equal halves in only one plane.

Which of the following statements about phyllotaxy is correct?

Whorled phyllotaxy is seen in Alstonia
Alternate phyllotaxy is found in guava
Opposite phyllotaxy is common in mustard
All plants have the same type of phyllotaxy
1

Alstonia exhibits whorled phyllotaxy, where more than two leaves grow at a single node.

Which of the following statements about root modifications is correct?

Pneumatophores help in gaseous exchange
Fibrous roots penetrate deep into the soil
Stilt roots are found in mustard
Taproots do not store food
1

Pneumatophores are specialized roots in mangrove plants that help in gaseous exchange in waterlogged conditions.

Which of the following statements about flower symmetry is correct?

Zygomorphic flowers can be divided into two equal halves only in one plane
Actinomorphic flowers exhibit bilateral symmetry
Pea flowers exhibit actinomorphic symmetry
Sunflower flowers exhibit zygomorphic symmetry
1

Zygomorphic flowers, such as those of pea, can be divided into equal halves in only one vertical plane.

Which of the following statements about venation is correct?

Mango exhibits parallel venation
Grass exhibits reticulate venation
Monocots typically have parallel venation
Dicots usually have parallel venation
3

Monocot leaves generally have parallel venation, where veins run parallel to each other.

Which of the following is an example of a parthenocarpic fruit?

Mango
Coconut
Banana
Tomato
3

Parthenocarpic fruits, such as banana, develop without fertilization and lack seeds.

Which of the following statements about inflorescence is correct?

Cymose inflorescence has acropetal flower arrangement
Umbel is a type of racemose inflorescence
Capitulum is found in pea
Spadix inflorescence is found in rose
2

Umbel is a type of racemose inflorescence where flowers arise from a common point, as seen in coriander.

Which of the following statements about placentation is incorrect?

Axile placentation is found in tomato
Parietal placentation occurs in mustard
Basal placentation is seen in sunflower
Marginal placentation is found in China rose
4

China rose exhibits axile placentation, not marginal placentation. Marginal placentation is found in pea.

Which structure in a seed protects it from mechanical injury and water loss?

Endosperm
Seed coat
Cotyledons
Embryo
2

The seed coat provides protection to the seed from mechanical injury and water loss.

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