EAMCET - Botany - Anatomy - Important bits
1. True statement regarding meristems
A: All Lateral meristems are primary.
B: All Apical meristems are primary.
C: Some intercalary meristems are secondary.
1) A & B 2) B & C 3) C & A 4) Only B (1)
2. Assertion A: In meristematic cells centrally located nucleus is present.
Reason R: Large vacuole is absent in meristematic cells.
1) Both A & R are true and R is the correct explanation of A.
2) Both A & R are true but R is not the correct explanation of A.
3) A is true, R is false
4) A is false, R is true. (1)
3. Primary meristem that increases the thickness of the stem.
4. Tissue that helps the plants from elastic stress.
1) Collenchyma 2) Parenchyma 3) Sclerenchyma 4) Aerenchyma (1)5. Life long activity of meristems is seen in
A : Apical meristems B : Intercalary meristem
C : Vascular cambium D : Cork Cambium.
1) Only B 2) Only D 3) A,C,D 4) A,B,C (3)
6. Tissues present only below the epidermis is
1) Pericycle 2) Phellogen 3) Collenchyma 4) Sclerenchyma (3)
7. Vascular bundles in stem are
1) Exarch 2) Mesarch 3) Diarch 4) Endarch (4)
8. Endarch and closed vascular bundles are present in
1) Dicot stems 2) Monocot stem 3) Dicot root 4) Monocot root (2)
9. Stele in monocot stem is
1) Eustele 2) Dictyostele 3) Atactostele 4) Protostele (3)
10. Polyarch, exarch vascular bundles are present in
1) Dicot root 2) Dicot stem 3) Monocot root 4) Monocot stem (3)
11. Open vascular bundles are present in
1) Dicot stem 2) Dicot root 3) Monocot stem 4) Monocot root (1)
12. Pericycle helping in secondary growth in
1) Dicot root 2) Dicot stem 3) Monocot stem 4) Monocot root (1)
13. True statement regarding secondary growth
1) Only in open vascular bundles it is seen
2) Roots don't show any secondary growth
3) Secondary growth results from secondary meristems
4) Primary meristems can also participate in secondary growth. (3)
14. Closed vascular bundles are seen in
1) All roots 2) All stems
3) All roots and monocot stem 4) Monocot root & monocot stem (3)
15. Assertion (A) : Endodermis acts as a water barrier in roots
Reason (R) : Endodermis shows casparian bands
1) Both A, R are true, R is the correct explanation of A
2) Both A, R are true but R is not the correct explanation of A
3) A is true, R is false
4) A is false, R is true (2)
16. Difference in the vascular bundles of dicot and monocot stems
I. Development II. Cambium activity III. Arrangement IV. Shape in respective stems
1) I & II 2) II & III 3) III & IV 4) I & IV (2)
17. Loosely arranged cells in lenticels are
1) Complementary 2) Conjunctive 3) Epithem 4) Cork cells (1)
18. Assertion (A) : The thickness of sap wood does not increase
Reason(R) : Sap wood constantly becomes into heartwood
1) Both A, R are true, R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
3) A is true, R is false
4) A is false, R is true (1)
19. Fibro vascular bundle are seen in
I. Monocot stems II. Dicot leaf III. Monocot leaf IV. Dicot stem
1) I & III 2) II & III 3) III & IV 4) IV & I (1)
20. In leaves xylem in present towards
1) Lower side 2) Abaxial side 3) Ventral side 4) Dorsal side (3)
21. False statement regarding the anatomy of gymnosperms
I Secondary growth is absent in Gymnosperms
II. Vessels and Companion cells are absent.
III. Sieve tubes and tracheids are absent.
IV. Albuminous cells are present in the phloem.
1. I & II 2. I & III 3. II & IV 4. III & IV. (2)
22. Character of early wood
1) Vessels with narrow lumen 2) Less number of vessels
3) Wide vessels 4) Very dark colour (3)
23. True statement regarding fascicular cambium
I. It is primary meristem
II. It produces secondary xylem towards inside
III. It produces more secondary phloem than xylem
IV. Its activity does not depend on seasons
1) I & II 2) II & III 3) III & IV 4) I & IV (4)
24. Correct arrangement of tissues centripetally in secondary growth
1) Cork → primary phloem → vascular cambium → secondary phloem
2) Cork cambium → cortex →endodermis → vascular cambium
3) Secondary cortex →cork → phellogen→ vascular cambium → primary xylem
4) Medulla → primary xylem → secondary xylem → vascular cambium (2)
25. True statement among the following
I. All apical meristems are primary
II. All primary meristems are apical
III. Some lateral meristems are primary
IV. Some secondary meristems are lateral
1) I & II 2) Only II 3) I & IV 4) I & III (4)
26. True statement among the following
1) Meristems can perform photosynthesis
2) Living mechanical tissue can perform photosynthesis
3) Meristems store food material
4) Sclerenchyma can store food material (2)
27. Assertion (A): Collenchyma protects plant during bending movements Reason(R): They are present below epidermis
1) Both A, R are true, R is the correct explanation of A
2) Both A, R are true but R is not the correct explanation of A
3) A is true, R is false
4) A is false, R is true (2)
28. Primary meristems whose activity is for a short period
1) Apical 2) Cambium 3) Phellogen 4) Intercalary (4)
29. Outer most layer of periderm
1) Cork cambium 2) Phelloderm 3) Phellem 4) Epidermis (3)
30. Bulliform cells are present in
1) Abaxial epidermis of dicot leaf 2) Abaxial epidermis of monocot leaf
3) Dorsal epidermis of monocot leaf 4) Ventral epidermis of Poaceae leaf (4)
31. The striking difference between dicot stem and dicot root under microscope
1) Multicellular hairs in dicot stem 2) Exarch xylem in roots
3) Absence of medulla in dicot root 4) Large cortex and clear endodermis in dicot root (4)
32. Sclerenchymatous hypodermis in seen in
1) Monocot stem 2) Dicot stem 3) Monocot root 4) Dicot root (1)
33. Closed vascular bundle but secondary growth is seen in
1) Dicot stem 2) Dicot root 3) Monocot stem 4) Monocot root (2)
34. Functions of conjunctive tissue in dicot root is
I. Storage II. Mechanical support III. Dedifferentiation IV. Lateral root production (3)
1) I & II 2) II & III 3) I & III 4) IV & I
35. Suberin is seen in
1) Cells of Exodermis 2) Endodermis 3) Phellum 4) All the above (4)
36. Phloem parenchyma is absent in
1) Dicot stem 2) Monocot stem 3) Dicot root 4) Monocot root (2)
37. Best region in stem to observe primary internal structure is
1) Apex 2) Node 3) Between root & stem 4) Internodes (4)
38. Medullary rays function in dicot stem is
A) Lateral conduction of water B) Mechanical support
C) Formation of secondary meristems D) Protection against pathogens.
1. A & B 2. A & C 3. A, C & D 4. B, C & D (2)
39. Bicolletaral vascular bundles consisting of
1. Xylem on either side of phloem. 2. Cambium on either side of phloem
3. Phloem on either side of Xylem. 4. Centrally located Xylem surrounded by phloem. (3)
40. Ground tissue system consisting of
1. Cortex and stele 2. Medulla and cortex
3. Tissues other than epidermis and vascular tissue
4. Tissues other than endodermis and vascular tissues. (3)
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