1. Which of the following plants bear hygroscopic roots?
(a) Bryophyllum
(b) Cuscuta
(c) Vanda
(d) Rhizophora
Answer
Ans.(c)
2. In which of thefollowing, the plants are all roots?
(a) Podostemon
(b) Lemna
(c) Wolffia
(d) Utricularia
Answer
Ans.(a)
3. The region of root hair in a root lies just behind:
(a) Region of maturation
(b) region of elongation
(c) meristematic region
(d) region of root cap
Answer
Ans.(b)
4. In one of the following the stem performs the function of storage and perennation:
(a) Ginger
(b) wheat
(c) radish
(d) ground nut
Answer
Ans.(a)
5. Lack of which element has made some plants insectivorous:
(a) Iron
(b) Magnesium
(c) Nitrogen
(d) sodium
Answer
Ans.(c)
6. Velamen absorbs moisture from :
(a) Air
(b) root
(c) Leaves
(d) Mineral salts
Answer
Ans.(a)
7. Leaves are changed into spines in xerophytic structures called:
(a) Phyllode
(b) cladode
(c) phylloclade
(d) all the above
Answer
Ans.(c)
8. Match the type of fruits listed in Column I with the examples listed in Column II. Choose the correct combination.
Column I Column II
Capsule (p) paddyBerry (q) mango
Drupe (r) sunflower
cypsela (s) tomato
(a) a-t,b-s,c-q,d-r
(b) a-t,b-r,c-p,d-q
(c )a-s,b-t,c-q,d-r
(d)a-p,b-q,c-r,d-t
Answer
Ans.(a)
9. In guava ,cucurbits flowers are:
(a) hypogynous flower
(b)epigynous flower
(c) perigynous
(d) both (a) and (c)
Answer
Ans.(b)
10. Seed coat is not thin, membranous in :
(a) coconut
(b) ground nut
(c) gram
(d) maize
Answer
Ans.(a)
11. What is the characteristic of haustorial roots of Cuscuta?
(a) Presence of both xylem and phloem
(b) Presence of only xylem © Presence of phloem
(d) Absence of both xylem and phloem
Answer
Ans.(a)
12. Which part of the flower is highly modified stem?
(a) Androecium
(b) thalamus
(c) gynoecium
(d) sepal
Answer
Ans.(b)
13. Which plant lives in nitrogen deficient soil?
(a) Neottia
(b) mango
(c) wheat
(d) Drosera
Answer
Ans.(d)
14. Angiosperms differ from gymnosperms in
(a) Having compound leaves
(b) being smaller in size
( c) being evergreen
(d) having ovules enclosed in the ovary
Answer
Ans.(d)
15. When ant part other than blade of leaf become flattened to perform function of leaf , it is :
(a) Cladode
(b) Phyllode
(c) staminode
(c) stipule
Answer
Ans.(b)
16. Pericarp and placentae are edible part of simple fleshy berry fruit is:
(a) Tomato
(b) date palm
(c) jack fruit
(d) banana
Answer
Ans.(a)
17. Which of the following are the characteristic features of solanaceae?
(a) Exstipulate leaves
(b) persistent calyx
(c) racemose inflorescence
(d) both (a) and (b)
Answer
Ans.(d)
18. Leaf lamina is reduced in:
(a) Hydrophytes
(b) mesophytes
(c) xerophytes
(d) epiphytes
Answer
Ans.(c)
19. Grasses are examples of the following typeof stem:
(a) Suckers
(b) runners
(c) stolons
(d) rhizomes
Answer
Ans.(b)
20.The leaves of dicotyledonous plants are mostly
(a) Hypostomatic
(b) epistomatic
(c) astomatic
(d) ampistomatic
Answer
Ans.(a)
21. Parallel multicostate venation is found in
(a) Plum
(b) palm
(c) castor
(d) cucurbita
Answer
Ans.(b)
22. The tendrils in smilax are the modification of
(a) Leaf
(b) stem
(c) stipules
(d) leaflet
Answer
Ans.(c)
23. The vegetable cabbage is a
(a) Modified stem
(b) inflorescence
(c) rhizome
(d) bud
Answer
Ans.(a)
24. The edible portion in radish is
(a) Fleshy stem
( b) fleshy root
(c) tuber
(d) corm
Answer
Ans.(b)
25. The flower is modified
(a) Shoot
(b) branch
(c) leaf let
(d) stipule
Answer
Ans.(a)
26. In potato food is stored in
(a) Stem
(b) root
(c) petiole
(d) leaves
Answer
Ans.(c)
27. If leaf base is swollen , it is called as
(a) Epipodium
(b) stylopodium
(c) pulvinus
(d) pinnule
Answer
Ans.(d)
28. Mint plant produces
(a) Rhizome
(b) offset
(c) stolon
(d) sucker
Answer
Ans.(b)
29. The spice clove is dried
(a) Flower
(b) flower bud
(c) fruit
(d) seed
Answer
Ans.(c)
30. Spot out the stranger
(a) Radish
(b) carrot
(c) brinjal
(d) turnip
Answer
Ans.(c)
31. Succulents are likely to be found in
(a) Tropical rain forest
(b) deciduous forest
(c) desert
(d) tundra
Answer
Ans.(b)
32. The family cruciferae is also known as
(a) Tetradynaceae
(b) brassicaeae
(c) raphanaceae
(d) siliquaceae
Answer
Ans.(b)
33. In compositae the placentation is
(a) Basal
(b) marginal
(c) free central
(d) axile
Answer
Ans.(a)
34. Mimosa belongs to the family
(a) Mimosodae
(b) rosaceae
(c) malvaceae
(d) cruciferae
Answer
Ans.(a)
35. Perianth is reduced to lodicules in the family
(a) Lilliaceae
(b) graminae
(c) compositae
(d) Malvaceae
Answer
Ans.(b)
36. The inflorescence in compositae is
(a) Umbel
(b) spike
(c) capitulum
(d) catkin
Answer
Ans.(c)
37. Triticumaestivumis
(a) Diploid
(b) triploid
(c) haploid
(d) hexaploid
Answer
Ans.(d)
38. In which of the following families calyx is modified into pappus
(a) Cruciferae
(b) leguminoceae
(c) compositae
(d) solanaceae
Answer
Ans.(c)
39. Papilionaceous corolla is found in
(a) Pisumsativum
(b) mimosa pudica
(c) delonix
(d) brassica
Answer
Ans.(a)
40. The placenta is attached to the developing seed near the
(a) Testa
(b) hilum
(c) micropyle
(d) chalaza
Answer
Ans.(b)
41. Climbing roots occur in
(a) Vanilla
(b) vanda
(c) pongamia
(d) taeniophylum
Answer
Ans.(b)
42. Approximately diameter of Victoria leaf is
(a) 1m
(b) 1.3m
(c) 3m
(d) 2m
Answer
Ans.(b)
43. Botanical name of venus fly trap is
(a) Aldrovanda
(b) dionaea
(c) utricularia
(d) napanthus
Answer
Ans.(b)
44. Black pepper is a
(a) Tree
(b) climber
(c) shrub
(d) herb
Answer
Ans.(b)
45. The ovary is half inferior in flowers of
(a) Sunflower
(b) lemon
(c) mustard
(d) peach
Answer
Ans.(d)
46. Stipular tendril modification found in
(a) Smilax
(b) pea
(c) guava
(d) mimosa pudica
Answer
Ans.(a)
47. Viscum is a
(a) Total stem parasite
(b) total root parasite
(c) partial stem parasite
(d) partial root parasite
Answer
Ans.(c)
