Top 50 most important Questions and Answers on Morphology of Flowering Plants. Morphology of Flowering Plants Important Questions and Answers with FREE PDF are the most important part of Medical Entrance Exams like NEET, AIIMS, JIPMER and other Board Exams.
1 Lack of which element has made some plants insectivorous:
(A) Iron
(B) Magnesium
(C) Nitrogen
(D) sodium
2 Velamen absorbs moisture from :
(A) Air
(B) root
(C) Leaves
(D) Mineral salts
3 Leaves are changed into spines in xerophytic structures called:
(A) Phyllode
(B) cladode
(C) phylloclade
(D) all the above
4 In guava ,cucurbits flowers are:
(A) hypogynous flower
(B) epigynous flower
(C) perigynous
(D) both (a) and (c)
5 Seed coat is not thin, membranous in :
(A) coconut
(B) ground nut
(C) gram
(D) maize
6 What is the characteristic of haustorial roots of Cuscuta?
(A) Presence of both xylem and phloem
(B) Presence of only xylem
(C) Presence of phloem
(D) Absence of both xylem and phloem
Answer: Presence of both xylem and phloem
7 Which part of the flower is highly modified stem?
(A) Androecium
(B) thalamus
(C) gynoecium
(D) sepal
8 Which plant lives in nitrogen deficient soil?
(A) Neottia
(B) mango
(C) wheat
(D) Drosera
9 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: having ovules enclosed in the ovary
10 When ant part other than blade of leaf become flattened to perform function of leaf , it is :
(A) Cladode
(B) Phyllode
(C) staminode
(D) stipule
11 Botanical name of venus fly trap is
(A) Aldrovanda
(B) dionaea
(C) utricularia
(D) napanthus
12 Approximately diameter of Victoria leaf is
(A) 1m
(B) 1.3m
(C) 3m
(D) 2m
13 Black pepper is a
(A) Tree
(B) climber
(C) shrub
(D) herb
14 The ovary is half inferior in flowers of
(A) Sunflower
(B) lemon
(C) mustard
(D) pea
15 Stipular tendril modification found in
(A) Smilax
(B) pea
(C) guava
(D) mimosa pudica
16 Viscum is a
(A) Total stem parasite
(B) total root parasite
(C) partial stem parasite
(D) partial root parasite
Answer: partial stem parasite
17 Which of the following plants bear hygroscopic roots?
(A) Bryophyllum
(B) Cuscuta
(C) Vanda
(D) Rhizophora
18 In which of thefollowing, the plants are all roots?
(A) Podostemon
(B) Lemna
(C) Wolffia
(D) Utricularia
19 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: region of elongation
20 In one of the following the stem performs the function of storage and perennation:
(A) Ginger
(B) wheat
(C) radish
(D) ground nut
21 In potato food is stored in
(A) Stem
(B) root
(C) petiole
(D) leaves
22 If leaf base is swollen , it is called as
(A) Epipodium
(B) stylopodium
(C) pulvinus
(D) pinnule
23 Mint plant produces
(A) Rhizome
(B) offset
(C) stolon
(D) sucker
24 The spice clove is dried
(A) Flower
(B) flower bud
(C) fruit
(D) seed
25 Spot out the stranger
(A) Radish
(B) carrot
(C) brinjal
(D) turnip
26 Succulents are likely to be found in
(A) Tropical rain forest
(B) deciduous forest
(C) desert
(D) tundra
27 The family cruciferae is also known as
(A) Tetradynaceae
(B) brassicaeae
(C) raphanaceae
(D) siliquaceae
28 In compositae the placentation is
(A) Basal
(B) marginal
(C) free central
(D) axile
29 Mimosa belongs to the family
(A) Mimosodae
(B) rosaceae
(C) malvaceae
(D) cruciferae
30 Perianth is reduced to lodicules in the family
(A) Lilliaceae
(B) graminae
(C) compositae
(D) Malvaceae
31 The inflorescence in compositae is
(A) Umbel
(B) spike
(C) capitulum
(D) catkin
32 Triticumaestivumis
(A) Diploid
(B) triploid
(C) haploid
(D) hexaploid
Answer: (i), (ii) and (iv)
33 In which of the following families calyx is modified into pappus
(A) Cruciferae
(B) leguminoceae
(C) compositae
(D) solanaceae
34 Papilionaceous corolla is found in
(A) Pisumsativum
(B) mimosa pudica
(C) delonix
(D) brassica
35 Climbing roots occur in
(A) Vanilla
(B) vanda
(C) pongamia
(D) taeniophylum
36 The morphological nature of the edible part of a coconut is
(A) Cotyledon
(B) Perisperm
(C) Pericarp
(D) Endosperm
37 ———— are the non-essential parts of a flower
(A) Androecium and gynoecium
(B) Sepals and carpels
(C) Sepals and petals
(D) Sepals and gynoecium
Answer: Sepals and petals
38 Four long and two short stamens are found in
(A) Asteraceae
(B) Brassicaceae
(C) Liliaceae
(D) Solanaceae
39 A fruit developed from a condensed inflorescence is
(A) Composite fruit
(B) Simple fruit
(C) Aggregate fruit
(D) Etaerio
40 Radial symmetry is found in the flowers of
(A) Cassia
(B) Pisum
(C) Trifolium
(D) Brassica
41 Pericarp and placentae are edible part of simple fleshy berry fruit is:
(A) Tomato
(B) date palm
(C) jack fruit
(D) banana
42 Which of the following are the characteristic features of solanaceae?
(A) Exstipulate leaves
(B) persistent calyx
(C) racemose inflorescence
(D) both (a) and (b)
43 Leaf lamina is reduced in:
(A) Hydrophytes
(B) mesophytes
(C) xerophytes
(D) epiphytes
44 Grasses are examples of the following typeof stem:
(A) Suckers
(B) runners
(C) stolons
(D) rhizomes
45 The leaves of dicotyledonous plants are mostly
(A) Hypostomatic
(B) epistomatic
(C) astomatic
(D) ampistomatic
46 Parallel multicostate venation is found in
(A) Plum
(B) palm
(C) castor
(D) cucurbita
47 The tendrils in smilax are the modification of
(A) Leaf
(B) stem
(C) stipules
(D) leaflet
48 The vegetable cabbage is a
(A) Modified stem
(B) inflorescence
(C) rhizome
(D) bud
49 The edible portion in radish is
(A) Fleshy stem
(B) fleshy root
(C) tuber
(D) corm
50 The flower is modified
(A) Shoot
(B) branch
(C) leaf let
(D) stipule
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