Morphology Of Flowering Plants — DPP 1

20 NEET questions from Morphology Of Flowering Plants, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
Which feature is incorrect regarding the angiospermic family Fabaceae?
  1. A Seed - non-endospermic
  2. B Androecium - diadelphous stamen
  3. C Placentation - marginal
  4. D Symmetry of flowers - actinomorphic
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Correct answer: D

2
Roots are modified to perform specific functions other than their normal functions. Select the incorrect statements regarding the modification of the roots.
A. The stilt roots help in breathing.
B. Tap roots of carrot and turnip get swollen and store food.
C. Prop roots are hanging structures that support banyan tree.
D. Besides providing mechanical support, stilt roots also perform photosynthetic functions in the plant.
  1. A B and D
  2. B A and D
  3. C B and C
  4. D A and C
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Correct answer: B

3
Select the incorrect matched pair.
  1. A Tap root system - Dicots
  2. B Stilt roots - Sugarcane
  3. C Prop roots - Banyan tree
  4. D Adventitious roots - Turnip
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Correct answer: D

4
Assertion (A): A flower is a modified shoot.
Reason (R): Axillary buds do not elongate and the axis gets condensed.
  1. A Both Assertion (A) and Reason (R) are True, and the Reason (R) is correct explanation of the Assertion (A).
  2. B Both Assertion (A) and Reason (R) are True, but Reason (R) is not correct explanation of the Assertion (A).
  3. C Assertion (A) is True, but the Reason (R) is False.
  4. D Assertion (A) is False and Reason (R) is True.
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Correct answer: C

5
Assertion (A) : Corolla is the outermost whorl of the flower.
Reason (R): Corolla may be united gamopetalous (petals united) or polypetalous (petals free).
  1. A Both Assertion (A) and Reason (R) are True, and the Reason (R) is correct explanation of the Assertion (A).
  2. B Both Assertion (A) and Reason (R) are True, but Reason (R) is not correct explanation of the Assertion (A).
  3. C Assertion (A) is True, but the Reason (R) is False.
  4. D Assertion (A) is False and Reason (R) is True.
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Correct answer: D

6
Roots which come out of the ground and grow vertically upwards are called:
  1. A Secondary root.
  2. B Stilt roots.
  3. C Pneumatophores.
  4. D Prop roots.
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Correct answer: C

7
Select the mismatched pair.
  1. A Coleorhiza - Radicle
  2. B Syncarpous gynoecium - Tomato
  3. C Drupe - Tomato
  4. D Free-central placentation - Primrose
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Correct answer: C

8
Valvate aestivation is found in:
  1. A Pea
  2. B Cotton
  3. C Lady's finger
  4. D Calotropis
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Correct answer: D

9
A small pore present above the hilum of a seed is:
  1. A Testa
  2. B Radicle
  3. C Micropyle
  4. D Plumule
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Correct answer: C

10
Which part or zone of root is not correctly matched with its function?
  1. A Root cap - protection of root apex
  2. B Region of elongation - increase in root length
  3. C Region of meristematic activity - give rise to root hair
  4. D Region of maturation - differentiation of cells
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Correct answer: C

11
Read the following statements carefully.
A. Leaf base may bear two lateral small leaf-like structures called stipules.
B. In dicots, the leaf base expands into a sheath covering the stem partially or wholly.
C. Long thin flexible petioles allow leaf blades to flutter in wind.
D. In monocots, leaf base is swollen and is known as pulvinus.
E. The petiole holds the blade to obtain maximum light.
Select the incorrect option.
  1. A B and D
  2. B A, C and E
  3. C C and E
  4. D Only B
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Correct answer: A

12
Choose the incorrectly matched pair.
  1. A Polypetalous - Petals free
  2. B Polysepalous - Sepals united
  3. C Pneumatophores - Roots
  4. D Belladonna - Medicine
Show answer

Correct answer: B

13
Swollen leaf base found in leguminous plants is called;
  1. A leaf blade.
  2. B petiole.
  3. C stipules.
  4. D pulvinus.
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Correct answer: D

14
Select the correct statement about leaves.
  1. A They originate from the shoot apical meristem.
  2. B They are arranged in an acropetal order.
  3. C They are most important vegetative organs for photosynthesis.
  4. D All of these
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Correct answer: D

15
Roots in some plants change their shape and structure and become modified to perform functions like;
  1. A additional support and absorption of water.
  2. B absorption and conduction of water and minerals.
  3. C storage of food and respiration and provide support.
  4. D absorption of minerals and storage of food.
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Correct answer: C

16
Which one is the example of edible underground stem?
  1. A Carrot
  2. B Groundnut
  3. C Sweet potato
  4. D Potato
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Correct answer: D

17
Which of the following root systems is present in wheat plant?
  1. A Prop root
  2. B Fibrous root
  3. C Pneumatophores
  4. D All of these
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Correct answer: B

18
Which of the following is not an example of hypogynous flower?
  1. A Plum
  2. B China rose
  3. C Mustard
  4. D Brinjal
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Correct answer: A

19
Choose the incorrectly matched pair.
  1. A Rosette of leaves - Pistia
  2. B Monoadelphous stamen - China rose
  3. C Syncarpous gynoecium - Mustard
  4. D Asteraceae - China rose
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Correct answer: D

20
Assertion (A): In Calotropis and guava, opposite phyllotaxy is found.
Reason (R): In Calotropis and guava, a pair of leaves arises on each node.
  1. A Both Assertion (A) and Reason (R) are True, and the Reason (R) is correct explanation of the Assertion (A).
  2. B Both Assertion (A) and Reason (R) are True, but Reason (R) is not correct explanation of the Assertion (A).
  3. C Assertion (A) is True but the Reason (R) is False.
  4. D Assertion (A) is False and Reason (R) is True.
Show answer

Correct answer: A

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