NEET CBT CH - PLANT PHYSIOLOGY

NEET Anatomy of Flowering Plants CBT Practice Test

Mobile-friendly interactive test. 3 Sets × 30 Questions = 90 MCQs.
Includes Single Correct, Assertion-Reason, and Matching types.
Scoring: +4 correct, -1 incorrect, 0 unattempted.

Set 1 - Single Correct MCQs (Already Complete)

Set 2 - Assertion-Reason Type (30 Questions)

1. Assertion (A): Cork cells are impermeable to water.
Reason (R): Cork cells are dead and contain suberin in their walls.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

2. Assertion (A): Monocot stems show scattered vascular bundles.
Reason (R): Monocots lack secondary growth due to absence of cambium.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

3. Assertion (A): Annual rings are distinct in temperate plants.
Reason (R): Cambial activity is seasonal in temperate regions.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

4. Assertion (A): Endarch xylem is found in stems.
Reason (R): Proto-xylem is towards the centre in stems.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

5. Assertion (A): Bulliform cells help in reducing transpiration.
Reason (R): They cause rolling of leaves in xerophytic conditions.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

6. Assertion (A): Heartwood is mechanically stronger than sapwood.
Reason (R): Heartwood contains tannins and is blocked by tyloses.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

7. Assertion (A): Casparian strips force water to move through symplast.
Reason (R): They are suberin thickenings on radial walls of endodermis.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

8. Assertion (A): Phloem parenchyma is absent in monocots.
Reason (R): Monocots do not store food in phloem.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

9. Assertion (A): Vessels are absent in gymnosperms.
Reason (R): Gymnosperms have tracheids for water conduction.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

10. Assertion (A): Collenchyma provides flexible mechanical support.
Reason (R): It has pectin thickening at corners and living protoplast.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

11. Assertion (A): Lateral roots arise endogenously.
Reason (R): They originate from pericycle.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

12. Assertion (A): Pith is large in monocot roots.
Reason (R): Monocot roots have polyarch vascular bundles.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

13. Assertion (A): Vascular cambium is secondary meristem.
Reason (R): It is formed from permanent cells during secondary growth.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

14. Assertion (A): Companion cells are absent in pteridophytes.
Reason (R): Pteridophytes lack sieve tubes.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

15. Assertion (A): Chlorenchyma is a type of parenchyma.
Reason (R): It contains chloroplasts for photosynthesis.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

16. Assertion (A): Lenticels are involved in gaseous exchange.
Reason (R): They are openings in periderm with loosely arranged complementary cells.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

17. Assertion (A): Sclerenchyma cells are dead at maturity.
Reason (R): They provide rigid mechanical support due to lignified walls.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

18. Assertion (A): Bicollateral vascular bundles are found in Cucurbitaceae.
Reason (R): Phloem occurs on both sides of xylem.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

19. Assertion (A): Tyloses block water conduction in heartwood.
Reason (R): They are outgrowths of xylem parenchyma into vessels.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

20. Assertion (A): Pericycle acts as meristem in dicot roots.
Reason (R): It gives rise to cork cambium and lateral roots.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

21. Assertion (A): Early wood is lighter in colour.
Reason (R): It has larger vessels formed during spring.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

22. Assertion (A): Stomata are absent in roots.
Reason (R): Roots grow in soil and do not require gaseous exchange through stomata.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

23. Assertion (A): Tracheids are more efficient than vessels.
Reason (R): Tracheids have pits while vessels have perforation plates.

c) A is true but R is false a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A d) A is false but R is true

24. Assertion (A): Aerenchyma helps in buoyancy.
Reason (R): It has large air spaces in aquatic plants.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

25. Assertion (A): Phelloderm is living tissue.
Reason (R): It is formed towards inner side by phellogen.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

26. Assertion (A): Interfascicular cambium joins to form a complete ring.
Reason (R): It is derived from medullary rays.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

27. Assertion (A): Radial vascular bundles are found in roots.
Reason (R): Xylem and phloem alternate in roots.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

28. Assertion (A): Exarch condition is found in roots.
Reason (R): Proto-xylem is towards periphery in roots.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

29. Assertion (A): Sieve tubes lack nucleus at maturity.
Reason (R): Companion cells control their function.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

30. Assertion (A): Secondary growth is absent in monocots.
Reason (R): Vascular bundles are closed in monocots.

a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true but R is false d) A is false but R is true

Set 3 - Matching Type + Single Correct (30 Questions)

1. Match List-I with List-II:
List-I: A. Bulliform cells B. Tyloses C. Casparian strip D. Heartwood
List-II: 1. Endodermis 2. Monocot leaf 3. Xylem vessel blockage 4. Duramen

a) A-2, B-3, C-1, D-4 b) A-3, B-2, C-4, D-1 c) A-1, B-4, C-3, D-2 d) A-4, B-1, C-2, D-3

2. Match the tissues with their locations:
A. Collenchyma B. Sclerenchyma C. Aerenchyma D. Chlorenchyma
1. Cortex of hydrophytes 2. Hypodermis of dicot stem 3. Mesophyll of leaves 4. Grit of guava

a) A-2, B-4, C-1, D-3 b) A-4, B-2, C-3, D-1 c) A-1, B-3, C-4, D-2 d) A-3, B-1, C-2, D-4

3. Match the following:
A. Pericycle B. Phellogen C. Vascular cambium D. Intercalary meristem
1. Grass stem growth 2. Secondary growth in thickness 3. Cork cambium 4. Lateral root origin

a) A-4, B-3, C-2, D-1 b) A-2, B-1, C-4, D-3 c) A-3, B-4, C-1, D-2 d) A-1, B-2, C-3, D-4

4. Match the vascular bundle types with plants:
A. Radial B. Conjoint closed C. Conjoint open D. Bicollateral
1. Root 2. Monocot stem 3. Dicot stem 4. Cucurbita stem

a) A-1, B-2, C-3, D-4 b) A-3, B-4, C-1, D-2 c) A-2, B-1, C-4, D-3 d) A-4, B-3, C-2, D-1

5. Which tissue is living and provides tensile strength?

a) Sclerenchyma b) Collenchyma c) Parenchyma d) Xylem fibres

6. The most abundant tissue in plants is

a) Meristem b) Parenchyma c) Collenchyma d) Sclerenchyma

30. The bark of a tree comprises

a) All tissues outside vascular cambium b) All tissues inside vascular cambium c) Only periderm d) Only secondary phloem