Morphology Of Flowering Plants Chapter-Wise Test 1

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which of the following statements about root modifications is incorrect?

Taproots in carrot store food
Stilt roots are found in sugarcane
Fibrous roots provide deep penetration into the soil
Pneumatophores are found in mangroves
3

Fibrous roots spread out near the surface and do not provide deep penetration like taproots.

Which of the following statements about leaves is incorrect?

Simple leaves have an undivided lamina
Compound leaves have multiple leaflets
The petiole helps attach the leaf to the root
Leaves perform photosynthesis
3

The petiole connects the leaf to the stem, not the root.

Which of the following statements about seeds is correct?

The radicle develops into the root
The plumule gives rise to the root
The cotyledons store food in monocots
Monocot seeds have two cotyledons
1

The radicle develops into the root, while the plumule forms the shoot.

Which of the following statements about seeds is correct?

The radicle develops into the shoot
The plumule gives rise to the root
The cotyledons store food in dicots
Monocot seeds have two cotyledons
3

The cotyledons in dicot seeds store food and provide nourishment to the developing embryo.

Which part of the stem helps in climbing in plants like Passiflora?

Thorns
Tendrils
Rhizomes
Stilt roots
2

In some plants like Passiflora, stem tendrils help in climbing by coiling around a support.

Why are fibrous roots more efficient in preventing soil erosion than taproots?

They penetrate deep into the soil
They form a dense network of roots that bind the soil
They absorb more water from the soil
They are stronger than taproots
2

The fibrous root system forms a dense network of roots, which helps in binding the soil particles together, preventing erosion.

Which of the following statements about seeds is correct?

The radicle develops into the root
The plumule gives rise to the root
The cotyledons store food in monocots
Monocot seeds have two cotyledons
1

The radicle develops into the root, while the plumule forms the shoot.

Which term describes a flower in which the ovary is positioned above other floral parts?

Perigynous
Hypogynous
Epigynous
Half-inferior
2

In hypogynous flowers, the ovary is superior and occupies the highest position, as seen in mustard.

Which of the following describes a perianth?

The outermost whorl of the flower
A fusion of calyx and corolla
The male reproductive part
The female reproductive part
2

In some flowers like lily, the calyx and corolla are not distinct and are collectively called the perianth.

Which of the following is a function of the root system?

Photosynthesis
Anchorage
Transpiration
Seed dispersal
2

The root system provides anchorage to the plant by fixing it in the soil.

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