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  4. Morphology of Flowering Plants Chapter-Wise Test 3

Morphology of Flowering Plants Chapter-Wise Test 3

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which term describes stamens that are free from each other?

Monadelphous
Diadelphous
Polyandrous
Epipetalous
3

Polyandrous stamens are free from each other, as seen in many flowers.

Which of the following statements about roots is incorrect?

Adventitious roots arise from any part of the plant except the radicle
Taproots are found in dicots
Fibrous roots penetrate deeper into the soil than taproots
Pneumatophores help in gaseous exchange
3

Taproots penetrate deeper into the soil than fibrous roots, which are more spread out near the surface.

Which of the following modifications helps plants survive in waterlogged conditions?

Prop roots
Pneumatophores
Tendrils
Thorns
2

Pneumatophores, or breathing roots, are specialized aerial roots found in mangroves to help in gaseous exchange in waterlogged conditions.

What type of fruit is a mango?

Drupe
Berry
Capsule
Nut
1

Mango is classified as a drupe, with a fleshy mesocarp and a hard endocarp protecting the seed.

Which of the following statements about seed structure is incorrect?

The radicle develops into the root
The plumule gives rise to the shoot
Monocot seeds always lack an endosperm
The cotyledons store food in dicots
3

Monocot seeds such as maize have an endosperm, which stores food for the developing embryo.

Which term describes the arrangement of floral parts in a flower bud?

Placentation
Aestivation
Phyllotaxy
Venation
2

Aestivation refers to the mode of arrangement of sepals or petals in a floral bud, which can be valvate, twisted, imbricate, or vexillary.

Which type of seed has a persistent endosperm?

Non-endospermic seed
Endospermic seed
Monocotyledonous seed
Dicotyledonous seed
2

Endospermic seeds, such as castor and maize, retain their endosperm, which provides nutrients to the developing embryo.

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 seen in China rose
4

China rose exhibits axile placentation, not marginal placentation.

Which part of the fruit develops into a seed?

Ovary
Ovule
Placenta
Stigma
2

The ovule develops into a seed after fertilization, while the ovary matures into the fruit.

Which of the following statements about leaves is incorrect?

Leaf tendrils in pea help in climbing
Storage leaves are found in onion
Leaves do not perform transpiration
Spines in cacti help reduce transpiration
3

Leaves perform transpiration, which helps in water transport and temperature regulation.

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