Morphology of Flowering Plants Chapter-Wise Test 9

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which of the following statements about fruits is incorrect?

A drupe has a fleshy mesocarp
Berry fruits have a dry pericarp
Legumes split open at maturity
Aggregate fruits arise from multiple ovaries of a single flower
2

Berry fruits, such as tomato, have a fleshy pericarp, not a dry one.

Which of the following statements about floral symmetry is incorrect?

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

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

Which part of a monocot seed is responsible for food storage?

Cotyledon
Endosperm
Plumule
Radicle
2

In monocot seeds like maize, the endosperm stores food for the developing embryo.

Which of the following statements about inflorescence is incorrect?

Cymose inflorescence has a basipetal arrangement
Umbel is a type of racemose inflorescence
Spadix is found in banana and maize
Capitulum is a type of cymose inflorescence
4

Capitulum is a type of racemose inflorescence, not cymose.

Which of the following statements about leaves is incorrect?

Leaf spines in cactus reduce transpiration
Tendrils in pea plants are modified stems
Leaves perform transpiration
Storage leaves are found in onion
2

Tendrils in pea plants are modified leaves, not stems. They help the plant climb.

Which structure is responsible for protecting young leaves in a plant?

Stipules
Axillary buds
Root hairs
Epidermis
1

Stipules are small leaf-like structures at the base of a petiole that protect young developing leaves.

Which term describes the position of floral organs when they arise from a cup-like thalamus?

Hypogynous
Perigynous
Epigynous
None of the above
2

In perigynous flowers, the floral organs arise from the rim of a cup-like thalamus, as seen in rose.

Which type of venation is present in monocot leaves?

Reticulate
Parallel
Both A and B
None of the above
2

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

Which of the following statements about stems is correct?

Rhizomes are aerial stems that store food
Tubers are underground modified stems
Thorns in citrus plants are modified leaves
Tendrils in pumpkins are modified roots
2

Potato tubers are underground modified stems that store food and help in vegetative propagation.

What is the primary function of the mesophyll in a leaf?

Providing structural support
Carrying out photosynthesis
Transporting water
Preventing water loss
2

The mesophyll contains chloroplasts and is the main site for photosynthesis in a leaf.

Performance Summary

Score:

Category Details
Total Attempts:
Total Skipped:
Total Wrong Answers:
Total Correct Answers:
Time Taken:
Average Time Taken per Question:
Accuracy:
0