Morphology Of Flowering Plants

285 Questions Start Allen Test
Q126 Allen 8. PYQ MCQ
Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
A.
Four
B.
Five
C.
Six
D.
Three
Q127 Allen 8. PYQ MCQ
Which one of the following fruits is parthenocarpic?
A.
Banana
B.
Brinjal
C.
Apple
D.
Jackfruit
Q128 Allen 8. PYQ MCQ
Roots play insignificant role in absorption of water in :-
A.
Wheat
B.
Sunflower
C.
Pistia
D.
Pea
Q129 Allen 8. PYQ MCQ
The standard petal of a papilionaceous corolla is also called :-
A.
Carina
B.
Pappus
C.
Vexillum
D.
Corona
Q130 Allen 8. PYQ MCQ
Tricarpellary syncarpous gynoecium is found in flowers of :-
A.
Liliaceae
B.
Solanaceae
C.
Fabaceae
D.
Poaceae
Q131 Allen 8. PYQ MCQ
Which of the following is not a stem modification?
A.
Pitcher of Nepenthes
B.
Thorns of citrus
C.
Tendrils of cucumber
D.
Flattened structures of Opuntia
Q132 Allen 8. PYQ MCQ
Cotyledon of maize grain is called :-
A.
plumule
B.
coleorhiza
C.
coleoptile
D.
scutellum
Q133 Allen 8. PYQ MCQ
Stems modified into flat green organs performing the functions of leaves are known as :-
A.
Cladodes
B.
Phyllodes
C.
Phylloclades
D.
Scales
Q134 Allen 8. PYQ MCQ
The term 'polyadelphous' is related to :-
A.
Corolla
B.
Calyx
C.
Gynoecium
D.
Androecium
Q135 Allen 8. PYQ MCQ
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
A.
Five
B.
Six
C.
Three
D.
Four
Q136 Allen 8. PYQ MCQ
Radial symmetry is found in the flowers of:-
A.
Pisum
B.
Cassia
C.
Brassica
D.
Trifolium
Q137 Allen 8. PYQ MCQ
Free-central placentation is found in :-
A.
Brassica
B.
Citrus
C.
Dianthus
D.
Argemone
Q138 Allen 8. PYQ MCQ
Coconut fruit is a :-
A.
Berry
B.
Nut
C.
Capsule
D.
Drupe
Q139 Allen 8. PYQ MCQ
In Bougainvillea thorns are the modifications of :-
A.
Adventitious root
B.
Stem
C.
Leaf
D.
Stipules
Q140 Allen 8. PYQ MCQ
Root hairs develop from the region of :-
A.
Elongation
B.
root cap
C.
Meristematic activity
D.
Maturation
Q141 Allen 8. PYQ MCQ
The morphological nature of the edible part of coconut is:-
A.
Cotyledon
B.
Endosperm
C.
Pericarp
D.
Perisperm
Q142 Allen 8. PYQ MCQ
Offsets are produced by:-
A.
Meiotic divisions
B.
Mitotic divisions
C.
Parthenocarpy
D.
Parthenogenesis
Q143 Allen 8. PYQ MCQ
Pneumatophores occur in :-
A.
Halophytes
B.
Free-floating hydrophytes
C.
Carnivorous plants
D.
Submerged hydrophytes
Q144 Allen 8. PYQ MCQ
Sweet potato is a modified :-
A.
Stem
B.
Adventitious root
C.
Tap root
D.
Rhizome
Q145 Allen 8. PYQ MCQ
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is:
A.
Basal
B.
Axile
C.
Parietal
D.
Free central
Q146 Allen 8. PYQ MCQ
Which of the following shows whorled phyllotaxy ?
A.
Mustard
B.
China rose
C.
Alstonia
D.
Calotropis
Q147 Allen 8. PYQ MCQ
Bicarpellary ovary with obliquely placed septum is seen in :-
A.
Brassica
B.
Aloe
C.
Solanum
D.
Sesbania
Q148 Allen 8. PYQ Match the Columns
Match the placental types (column-I) with their examples
(column-II):-
Column-IColumn-II
(a)Basal
(b)Axile
(c)Parietal
(d)Free central
(i)Mustard
(ii)China rose
(iii)Dianthus
(iv)Sunflower
A.
(a)-(ii),(b)-(iii),(c)-(iv),(d)-(i)
B.
(a)-(i), (b)-(ii), (c)-(iii),(d)-(iv)
C.
(a)-(iv),(b)-(ii), (c)-(i), (d)-(iii)
D.
(a)-(iii),(b)-(iv),(c)-(i), (d)-(ii)
Q149 Allen 8. PYQ MCQ
Ray florets have :-
A.
Half inferior ovary
B.
Inferior ovary
C.
Superior ovary
D.
Hypogynous ovary
Q150 Allen 8. PYQ MCQ
The roots that originate from the base of the stem are :-
A.
Lateral roots
B.
Fibrous roots
C.
Primary roots
D.
Prop roots