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NEET • BIOLOGY • MORPHOLOGY OF FLOWERING PLANTS

Morphology of flowering plants practice · Mixed difficulty

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Showing 1-30 of 334 questions

1 Medium

1 of 334

Understanding +4 | -1

Striga Collects

View answer and explanation

Correct option: A

Water and minerals from the host

Option A (Water and minerals from the host) is the correct answer. Striga is a parasitic plant that attaches to the roots of host plants and extracts water and minerals.

2 Medium

2 of 334

Remembering +4 | -1

Pneumatophores are present in

View answer and explanation

Correct option: A

Mangroves

Option A (Mangroves) is correct because pneumatophores are specialized roots found in mangroves for respiration in waterlogged soils.

3 Medium

3 of 334

Remembering +4 | -1

When gynoecium is present in the topmost position of thalamus, the flower is known as

View answer and explanation

Correct option: D

Hypogynous

Option D (Hypogynous) is correct because in hypogynous flowers, the gynoecium occupies the topmost position on the thalamus, making the ovary superior.

4 Medium

4 of 334

Remembering +4 | -1

Hypanthodium inflorescence is found in

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Correct option: A

Ficus

Option A (Ficus) is correct because hypanthodium is a characteristic inflorescence found in Ficus species (e.g., fig).

5 Easy

5 of 334

Remembering +4 | -1

The order of opening of flower parts from the periphery towards the centre, is called

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Correct option: B

Centripetal

Option B (Centripetal) is correct because centripetal refers to the arrangement where floral parts open from the periphery towards the center.

6 Medium

6 of 334

Application +4 | -1

A student collected 20 mustard twigs each with 10 nodes, 30 guava twigs each with 20 nodes and 40 calotrophis twigs each with 10 nodes. Calculate total number of leaves he has been collected in his bag?

View answer and explanation

Correct option: C

2200

Option A (1800) is incorrect. The correct calculation is (20 twigs * 10 nodes) + (30 twigs * 20 nodes) + (40 twigs * 10 nodes) = 200 + 600 + 400 = 1200 leaves, assuming one leaf per node. The question asks for the total number of leaves collected, which is equal to the total number of nodes.

7 Hard

7 of 334

Remembering +4 | -1

Which of the following plants has haustorial roots?

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Correct option: D

Cuscuta

Option D (Cuscuta) is correct because Cuscuta, also known as dodder, is a parasitic plant that has haustorial roots to penetrate and absorb nutrients from the host plant.

8 Easy

8 of 334

Understanding +4 | -1

Choose the incorrectly matched pair.

View answer and explanation

Correct option: C

Thorn in Bougainvillea - Modification of leaves

The correct answer is C (Thorn in Bougainvillea - Modification of leaves) because thorns in Bougainvillea are modifications of axillary buds, not leaves.

9 Medium

9 of 334

Analyzing +4 | -1

Identify the plants in correct sequence, which exhibit marcescent calyx, herkogamy,
mucilagenous cavities and inferior ovary respectively.
i. Sphaeranthus ii. Capsicum
iii. Gloriosa iv. Kydia

The correct sequence is

View answer and explanation

Correct option: D

ii, iii, iv, i

The correct answer is C (ii, iii, i, iv) because Capsicum exhibits marcescent calyx, Gloriosa exhibits herkogamy, Kydia exhibits mucilaginous cavities, and Sphaeranthus exhibits inferior ovary.

10 Medium

10 of 334

Remembering +4 | -1

Scutellum in a caryopsis represents

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Correct option: D

A cotyledon

Option D (A cotyledon) is correct because the scutellum in a caryopsis is the single cotyledon of the embryo.

11 Hard

11 of 334

Understanding +4 | -1

Which of the following group does not
represent monocot?

Apricot, mango, guava, apple, coconut,
strawberry

View answer and explanation

Correct option: A

Apricot, mango, guava

Option A (Apricot, mango, guava) is correct because apricot, mango, and guava are dicotyledonous plants, while coconut and strawberry are not exclusively monocots.

12 Medium

12 of 334

Understanding +4 | -1

Select how many statements are true for this picture?

A. Found in monocotyledonous plants

B. The primary root is long lived and is assisted by a large number of roots

C. These roots originate from the base of the stem

D. Seen in the wheat plant

View answer and explanation

Correct option: C

Three

Option C (Three) is correct because statements A, C, and D are true for fibrous roots.

13 Medium

13 of 334

Remembering +4 | -1

Cuticle is absent in

View answer and explanation

Correct option: B

young roots

Option B (young roots) is correct because the cuticle is a waxy layer that is generally absent in young roots to facilitate water and nutrient absorption.

14 Medium

14 of 334

Analyzing +4 | -1

Select the mismatched pair out of the following.

View answer and explanation

Correct option: C

Sucker – Curcuma domestica, Zingiber officinale

Option C is correct because Sucker is mismatched. Curcuma domestica (Turmeric) and Zingiber officinale (Ginger) are rhizomes, not suckers.

15 Medium

15 of 334

Analyzing +4 | -1

Study the following combinations:

(I) Cymose inflorescence - Epipetalous - Solanum

(II) Homochlamydeous - Polyandrous - Allium

(III) Axile placentation - Radical leaves - Smilax

(IV) Zygomorphic - Diadelphous - Butea

View answer and explanation

Correct option: C

(I), (IV)

Option C is correct because combination I (Cymose inflorescence - Epipetalous - Solanum) and combination IV (Zygomorphic - Diadelphous - Butea) are correct.

Explore Other Chapters in BIOLOGY

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ANIMAL KINGDOM 756 MCQs PLANT KINGDOM 415 MCQs ANATOMY OF FLOWERING PLANTS 404 MCQs MOLECULAR BASIS OF INHERITANCE 404 MCQs CHEMICAL COORDINATION AND INTEGRATION 387 MCQs PRINCIPLE OF INHERITANCE AND VARIATION 374 MCQs

16 Hard

16 of 334

Understanding +4 | -1

Select the odd one out w.r.t. parts of the leaf.

View answer and explanation

Correct option: A

Stipule provides rigidity to the leaf blade

Option A (Stipule provides rigidity to the leaf blade) is correct because stipules primarily protect the leaf in its bud stage and may have other functions, but they don't directly provide rigidity to the leaf blade.

17 Hard

17 of 334

Remembering +4 | -1

In a tetradynamous androecium, one of the following is seen.

View answer and explanation

Correct option: D

Outer whorl of two smaller stamens and inner whorl of four larger stamens

Option D (Outer whorl of two smaller stamens and inner whorl of four larger stamens) is correct because tetradynamous androecium is characterized by having six stamens, with four long stamens in the inner whorl and two short stamens in the outer whorl.

18 Medium

18 of 334

Understanding +4 | -1

Flowers, in which only one set of essential organ is present are said to be

View answer and explanation

Correct option: D

Unisexual

Option D (Unisexual) is correct because unisexual flowers contain only one set of essential organs (either stamens or pistils).

19 Medium

19 of 334

Remembering +4 | -1

All of the following have half inferior ovary, except

View answer and explanation

Correct option: C

Mustard

Option C (Mustard) is correct because Mustard has a superior ovary, while Rose, Plum, and Peach have half-inferior ovaries.

20 Hard

20 of 334

Understanding +4 | -1

[A]: Leaf base is the point of attachment of leaf to stem.

[R]: Entire leaf axis is called anisophylly.

View answer and explanation

Correct option: C

A is true but R is false

Option C is correct because the assertion is true (leaf base is the point of attachment) but the reason is false (anisophylly is not the entire leaf axis).

21 Medium

21 of 334

Understanding +4 | -1

Why is vivipary an undesirable character for annul crop plants?

View answer and explanation

Correct option: B

The seeds cannot be stored under normal conditions for the next season

Option B (The seeds cannot be stored under normal conditions for the next season) is correct because viviparous seeds germinate while still attached to the parent plant, making them unsuitable for storage.

22 Medium

22 of 334

Understanding +4 | -1

A potato tuber consists of 15 eyes, then the number of nodes and internodes respectively are

View answer and explanation

Correct option: C

15,14

Option C (15,14) is correct because the number of nodes corresponds to the number of eyes (15), and the number of internodes is one less than the number of nodes (14).

23 Medium

23 of 334

Analyzing +4 | -1

Which is odd one?

View answer and explanation

Correct option: B

Maize

Option B (Maize) is correct because Maize is a monocot, while China rose, Mango, and Sunflower are dicots.

24 Medium

24 of 334

Understanding +4 | -1

Angiosperms have dominated the land flora primarily because of their

View answer and explanation

Correct option: A

Power of adaptability in diverse habitat

Option A (Power of adaptability in diverse habitat) is correct because angiosperms' adaptability allows them to thrive in various environments.

25 Medium

25 of 334

Remembering +4 | -1

Tuberous roots are found in

View answer and explanation

Correct option: C

Ipomoea batatas

Option C (Ipomoea batatas) is correct because Ipomoea batatas, the sweet potato, has tuberous roots which are swollen and fleshy.

26 Easy

26 of 334

Remembering +4 | -1

Which of the following promotes softening of fruits?

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Correct option: A

Polygalacturonase

Option A (Polygalacturonase) is correct because polygalacturonase is an enzyme that breaks down pectin, leading to the softening of fruit tissues.

27 Easy

27 of 334

Remembering +4 | -1

Which of the following is/are correct :

View answer and explanation

Correct option: C

Katherine Esau reported that the Curly top virus spreads through a plant via the food conducting tissue

Option C (Katherine Esau reported that the Curly top virus spreads through a plant via the food conducting tissue) is correct because it accurately describes one of Katherine Esau's key findings.

28 Easy

28 of 334

Remembering +4 | -1

A smallest angiosperm with smallest flowers is

View answer and explanation

Correct option: B

Wolffia

Option B (Wolffia) is correct because Wolffia is the smallest angiosperm and has the smallest flowers.

29 Easy

29 of 334

Remembering +4 | -1

The fruit which develops from inflorescence is called

View answer and explanation

Correct option: D

Composite fruit

Option D (Composite fruit) is correct because composite fruits, also known as multiple fruits, develop from an entire inflorescence.

30 Hard

30 of 334

Understanding +4 | -1

[A]: Vegetative characters make their description more difficult.

[R]: It is because the vegetative character show greater plasticity as compared to floral features.

View answer and explanation

Correct option: A

Both A and R are true and R is the correct explanation of A

Option A (Both A and R are true and R is the correct explanation of A) is correct because vegetative characters are more plastic due to environmental influences, making their description more difficult compared to floral characters.

Revision notes and key takeaways

Review MORPHOLOGY OF FLOWERING PLANTS in your textbook or class notes, then use this set to check your understanding.

Key Takeaways

✓ This set contains 334 single-correct-answer MCQs on MORPHOLOGY OF FLOWERING PLANTS.
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