Morphology Of Flowering Plants

285 Questions Start Allen Test
Q1 Allen 1. ROOT, STEM MCQ
Roots associated with nitrogen fixing bacteria are :-
A.
Fusiform roots
B.
Napiform roots
C.
Nodulated roots
D.
Conical roots
Q2 Allen 1. ROOT, STEM MCQ
Shoot/Stem develops from :-
A.
Plumule
B.
Radicle
C.
Both (1) & (2)
D.
Endosperm
Q3 Allen 1. ROOT, STEM MCQ
Which is an example of offset?
A.
Cynodon dactylon
B.
Eichhornia
C.
Fragaria
D.
Mentha
Q4 Allen 1. ROOT, STEM MCQ
Rhizome of ginger is a modification of stem because :-
A.
It bears Adventitious roots
B.
It bears nodes and internodes
C.
It is underground
D.
It stores food material
Q5 Allen 1. ROOT, STEM MCQ
Phylloclade is found in :-
A.
Opuntia
B.
Cactus
C.
Acacia
D.
Both (1) & (2)
Q6 Allen 1. ROOT, STEM MCQ
Nodulated roots occurs in:-
A.
Liliaceae
B.
Solanaceae
C.
Malvaceae
D.
Fabaceae
Q7 Allen 1. ROOT, STEM MCQ
Thorns and spines are :-
A.
Defensive organs
B.
Respiratory organs
C.
Both (1) & (2)
D.
Storage organs
Q8 Allen 1. ROOT, STEM MCQ
In onion the reduced disc like underground stem is :-
A.
Root
B.
Rhizome
C.
Bulb
D.
Tuber
Q9 Allen 1. ROOT, STEM MCQ
Stem modified into leaf like structure and leaves are changed into spines in :-
A.
Phyllode
B.
Tuber
C.
Phylloclade
D.
All the above
Q10 Allen 1. ROOT, STEM MCQ
What is the eye of potato ?
A.
Axillary bud
B.
Accessory bud
C.
Adventitious bud
D.
Apical bud
Q11 Allen 1. ROOT, STEM MCQ
In Ruscus, the modification is :-
A.
Phyllode
B.
Cladode
C.
Offset
D.
Sucker
Q12 Allen 1. ROOT, STEM MCQ
In turmeric, stem is a :-
A.
Tuber
B.
Bulb
C.
Rhizome
D.
Corm
Q13 Allen 1. ROOT, STEM MCQ
Edible part of potato is:-
A.
Inflorescence
B.
Leaves
C.
Roots
D.
Stem
Q14 Allen 2. LEAF, INFLORESCENCE MCQ
Which is not a stem modification :-
A.
Rhizome of ginger
B.
Corm of Colocasia
C.
Pitcher of Nepenthes
D.
Tuber of potato
Q15 Allen 2. LEAF, INFLORESCENCE MCQ
A modification of petiole is :-
A.
Phyllode
B.
Phylloclade
C.
Cladode
D.
Corm
Q16 Allen 2. LEAF, INFLORESCENCE MCQ
Catkin inflorescence is found in :-
A.
Wheat
B.
Oat
C.
Mulberry
D.
Fig
Q17 Allen 2. LEAF, INFLORESCENCE MCQ
Spathe is present in inflorescence of :-
A.
Maize
B.
Rice
C.
Marigold
D.
Sunflower
Q18 Allen 2. LEAF, INFLORESCENCE MCQ
Parallel venation occurs in :-
A.
Liliaceae
B.
Solanaceae
C.
Brassicaceae
D.
Fabaceae
Q19 Allen 2. LEAF, INFLORESCENCE MCQ
Disc florets are
A.
Bisexual
B.
in centre
C.
small flower in Asteraceae
D.
All of the above
Q20 Allen 2. LEAF, INFLORESCENCE MCQ
The most advanced type of inflorescence is:
A.
Spike of spikelets
B.
Capitulum
C.
Verticillaster
D.
Catkin
Q21 Allen 2. LEAF, INFLORESCENCE MCQ
Modification of petiole in to leaf-like structure is called :-
A.
Cladode
B.
Phylloclade
C.
Phyllode
D.
Pistillode
Q22 Allen 2. LEAF, INFLORESCENCE MCQ
How many plants in the list given below have opposite phyllotaxy ? China rose, Ocimum, Sunflower, Mustard, Alstonia, Guava, Calotropis and Nerium.
A.
Four
B.
Three
C.
Five
D.
Two
Q23 Allen 2. LEAF, INFLORESCENCE MCQ
Identify the type of leaf modification in the given diagram (A-C) and choose correct option in which modified structure is correctly identified with their related function :- (A) (B) (C)
A.
A-spines (Support), B-tendril (Protection), C- fleshy leaves (Storage)
B.
A- tendril (Support), B- spine (Protection), C- fleshy leaves (Storage)
C.
A- tendril (Protection), B- spine (Support), C-fleshy leaves (Storage)
D.
A- spine (Protection), B-tendril (Support), C-fleshy leaves (Storage)
Q24 Allen 2. LEAF, INFLORESCENCE Match the Columns
Match the column-I with column-II and choose correct option :-
Column-IColumn-II
(a)alternate phyllotaxy
(b)opposite phyllotaxy
(c)whorled phyllotaxy
(i)alstonia
(ii)mustard
(iii)guava
A.
a-ii, b-iii,c-i
B.
a-iii,b-i, c-ii
C.
a-i, b-ii, c-iii
D.
a-ii, b-i, c-iii
Q25 Allen 2. LEAF, INFLORESCENCE MCQ
Which one of the following statement is incorrect?
A.
Pulvinus leaf base is found in some legume plants.
B.
Whorled phyllotaxy is present in A/stonia
C.
Thorn in citrus are modified leaves.
D.
Pinnately compound leaf is found in Neem.