1.The apical meristem of the root is present.

(a) Only in the radical

(b) Only in adventitious root.

(c)  Only in tap roots

(d) In all the roots

2. Vascular tissue in flowering plants develops from.

(a) Periblem

(b) Phellogen

(c) Dermatogen

(d) pleorome.

3. Palisade parenchyma is absent in leaves of ..

(a) Mustard

(b) Gram

(c) Syabean

(d) Sorghum.

4. Casparian strips are the characterstics of ..

(a) Cortex

(b) Endodermis

(c) Pericycle

(d) Pith

5. Root cap is formed by…

(a) Dermatogen

(b) Vascular cambium

(c) Calyptrogen

(d) Wound cambium.

6. Lenticels and hydathodes are small pores with which of the the common attributes ?

(a) They are always closed

(b) They allow exchange of gases.

(c) Their opening and closing are not regulated

(d) They are found on the same organ of plant.

7. The functions of vessel is ..

(a) To provide mechanical streant

(b) Conduction of water and minerals

(c) Conduction of food only

(d) All  of these .

8. Cambium is ..

(a ) Lateral meristem

(b)  Intercalary meristem.

(c) Primary meristem

(d ) Nome of above.

9. Cork cell contains…

(a) Suberin.

(b)Cutin

(c) Lignin

(d) Pectin

10. Root branches arise from .

(a) Pericycle

(b) Endodermis

(c) Cortex

(d ) Epidermis.

11. Procambium forms..

(a)cork cambium

(b) vascular tissue

(C) vascular cambium

(d) intercalary meristem

12. Another name of phellogen is

(a)cork

(b) phelloderm

(c) cork cells

(d) cork cambium

13. The stem of submerged hyrophytes  is soft & weak due to

(a) absence of xylem

(b) absence of stomatals

(c)absence of phloem

(d) reduced mechanical tissue & xylem

14. which of the following is enucleated?

(a) vessels

(b) sieve cells

(c)compound cells

(d) tracheids

15. Functional xylem in dicot stem is:

(a) spring wood

(b)   autumn wood

(c) heart wood

(d) sap wood

16. Wood is common name of

(a)Cambium

(b) vascular bundles

(c) phloem

(d)secondary xylem

17.Evergreen trees remains greenthroughout the year on account of

(a)absence of leaf fall

(b) cold climate

(c) supply of moisture throughout the year

(d) leaves falling in small no. at regular intervals.

18. Sap wood is synomymous with

(a) bark

(b) periderm

(c) outer layer of secondary xylem

(d)  inner layer of secondary xylem

19. The waxy substance associated with the wall of cork cell is…

(a) cutin

(b) suberin

(c) lignin

(d) hemicellulose

20. Which of the following tissue originate from ray initials of cambium?

(a)tracheids & vessels

(b) sieve tubes & companion cells

(c) xylem & phloem fibres

(d) vascular rays

21. Abnormal secondary growth is found in..

(a) dracaena & yucca

(b) triticum

(c)  helianthus

(d)  cucurbita

22. Diffuse porous woods are characteristic of plant growing in

(a) alpine region

(b) cold winter region

(c) temperate climate

(d) tropics

23. The healing of wounds in plants takes place by activity of

(a)apical meristem

(b) lateral meristem

(c) secondary meristem

(d)intercalary meristem

24. The process of conversion of meristamatic tissue to permanent cell is….

(a) dedifferention

(b) undifferentation

(c) differentiation

(d) none of these.

25. which is livimg mechanical tissue

(a) phloem

(b) parenchyma

(c) collenchyma

(d) sclerenchyma.

26. Cambium activity is highest in ..

(a) spring

(b) winter

(c) atumn

(d) rainy

27. Which of the following cells are selcreatory as well as excreatory in function?

(a)oil glands of plants

(b)latex cells

(c) sudoriferous cells

(d) none of these.

28. sieve tube is…

(a) enucleated

(b) dead cells

(c) multinucleated

(d) nucleated.

29. Biocollateral vascular bundle is a charactersistic feature of family..

(a) cucurbitaceae

(b) cruciferae

(c)  brassicaceae

(d) solanaceae

30. Exarch primary xylem is a feature of

(a) all leaves

(b) dicot stem

(c) all roots

(d) monocot stems.

31. Duramen is

(a)periderm

(b) bark

(c) sapwood

(d) heartwood

32. Shoot apical meristem is found in the tip of

(a)plumule

(b) radicle

(c) root

(d) apex

33. Piths are formed on the cell wall due to lack of-

(a) cell plate

(b) Primary wall material

(c) Secondary wall material

(d) Middle lamella.

34. Annual ring are found in plants belonging to-

(a) Alpine regions

(b) Temperate area

(c) Tropics

(d) Near sea beaches .

35. Histogen theory was produced by.

(a) Hanstein

(b) Eamu

(c) Esamam

(d) Schmidit.

36. Mesarch xylem is common in.

(a) Ferns

(b)Dicots

(c) Bryophytes

(c) Monocots.

37. Desert grasses often roll their leaves due to presence of—

(a) Oily surface

(b) Bulliform cells

(c) Spines

(d) All of these.

38. Jute is a..

(a) Bast fibre from secondary xylem.

(b) Bast fibres from primary xylem.

© Bast fibres from secondary phloem.

(d) Bast fibres from primary phloem.

39. Which among the permanent cells are circular and long even elongated cells ?

(a) Prenchyma

(b)collenchyma

(c) Sclerenchyma

(d) None of these.

40. Stele is made up of –

(a) Vascular bundles

(b) Pericycle

(c) Pith

(d) All of these .

41. Which of the following is the correct statement. ?

(a) Pith is larger in monocot root.

(b) Pith is smaller in dicot root.

© Pith is equal in size in both.

(d) Both  (a ) and  (b).

42. Which of the following is collectively known as periderm ?

(a) Phellogen .

(b) Phellem

(c) Phelloderm

(d) All of these .

43. Wood is common name of

(a)cambium

(b)vascular bundles

(c) phloem

(d)  secondary xylem

44. As a tree grows older , which increases rapidly in thickness

(a)its heartwood

(b) its sapwood

(c) its cortex

(d) its phloem

45. In old tissue gaseseous exchange takes place through

(a)stomata

(b)  arenchyma

(c) hydathodes

(d)lenticles

46. Cork cambium in a dicot root is derived from

(a) hypodermis

(b)epidermis

(c) pericycle

(d)cortex

47. In hollow hearted plant

(a) root woll die first

(b) shoot will die first

(c)root and shoot will die at  same time

(d) neither will die

48. Quinine , imp. in treatment of malaria is exctracted from

(a)bark of cinchona

(b)bark of cinnamon

(c)bark of hevea

(d) fascicular cambium

49. Interfascicular cambium is situated

(a) in between vascular bundles

(b)outside vascular bundles

(c)inside vascular bundles

(d)in pith

50. The cork is an excellent  material for making bottle stoppers since it is..

(a) cheap

(b) easily available

(c) air tight

(d) light

ANSWERS

1. In all roots
2. Plerome
3. Sorghum
4. Endodermis
5. Calyptrogen
6. They allow exchange of gases
7. Conduction of water and minerals
8. Primary meristem
9. Suberin
10. Pericycle
11. Vascular tissue
12. Cork cambium
13. Reduced mechanical tissue and xylem
14. Sieve cells
15. sap wood
16. secondary xylem
17. supply of moisture throughout the year
18. outer layer of secondary xylem
19. suberin
20. vascular rays
21. Dracaena & yucca
22. temperate climate
23. secondary meristem
24. Differentation
25. Collenchyma
26. Spring
27. Latex cells
28. Enucleated
29. Cucurbitaceae
30. All roots
31. Heart wood
32. Apex
33. Secondary wall material
34. Temperate areas
35. Hanstein
36. Ferns
37. Bulliform cells
38. Bast fibre from secondary phloem
39. Sclerenchyma
40. All of these
41. .Both (A) and (B)
42. All of these
43. Secondary xylem
44. Its heartwood
45. Lenticels
46. Pericycle
47. 50 years
48. Bark of cinchona
49. Inside vascular bundles
50. Air tight