← Back to Botany

Morphology Of Flowering Plants

285 Questions Start Allen Test
All Exams Allen Errorless
Q151 Allen 8. PYQ MCQ
The ovary is half inferior in :-
A.
Plum
B.
Brinjal
C.
Mustard
D.
Sunflower
Q152 Allen 8. PYQ MCQ
In some plants thalamus contributes to fruit formation. Such fruits are termed as :-
A.
False fruits
B.
Aggregate fruits
C.
True fruits
D.
Parthenocarpic fruit
Q153 Allen 8. PYQ MCQ
Correct position of floral parts over thalamus in mustard plant is :-
A.
Gynoecium occupies the highest position, while the other parts are situated below it.
B.
Margin of the thalamus grows upward, enclosing the ovary completely, and other parts arise below the ovary.
C.
Gynoecium is present in the centre and other parts cover it partially.
D.
Gynoecium is situated in the centre, and other parts of the flower are located at the rim of the thalamus, at the same level.
Q154 Allen 8. PYQ MCQ
Which of the following is the correct floral formula of Liliaceae ?
A.
% ā™‚ ā™€ Cā‚ā‚Šā‚‚ā‚Š(ā‚‚) Aā‚‰ā‚Šā‚ Gā‚
B.
āŠ• ā™‚ ā™€ Kā‚… Cā‚… Aā‚… Gā‚‚
C.
Br āŠ• ā™‚ ā™€ Pā‚ƒā‚Šā‚ƒ Aā‚ƒā‚Šā‚ƒ Gā‚ƒ
D.
ā™‚ ā™€ Kā‚… Cā‚… Aā‚… Gā‚‚
Q155 Allen 8. PYQ MCQ
Vegetative propagule in Agave is termed as:-
A.
Rhizome
B.
Bulbil
C.
Offset
D.
Eye
Q156 Allen 8. PYQ MCQ
Identify the correct features of Mango and Coconut fruits:-
(i) In both fruit is a drupe
(ii) Endocarp is edible in both
(iii) Mesocarp in Coconut is fibrous, and in Mango it is fleshy
(iv) In both, fruit develops from monocarpellary ovary
A.
(i), (iii) and (iv) only
B.
(i), (ii) and (iii) only
C.
(i) and (iv) only
D.
(i) and (ii) only
Q157 Allen 8. PYQ MCQ
Diadelphous stamens are found in:-
A.
China rose
B.
Citrus
C.
Pea
D.
China rose and Citrus
Q158 Allen 8. PYQ Match the Columns
Match Column - I with Column - II:-
Column-IColumn-II
(a)$\% 2 + k _ { ( 5 ) } ( 1 + 2 + ( 2 ) + 3 )$
(b)$\oplus \bigotimes _ { + } ^ { \mathcal { I } } \mathsf { K } _ { ( 5 ) } \bigotimes _ { ( 5 ) } \mathsf { A } _ { 5 } \mathsf { G } _ { 2 }$
(c)$\oplus \bigotimes _ { + } ^ { \mathcal { I } } \widehat { { \mathsf { P } } _ { ( 3 + 3 ) } } \mathsf { A } _ { 3 + 3 } \mathsf { G } _ { ( 3 ) }$
(d)$\oplus \bigotimes _ { + } ^ { \mathcal { I } } \mathsf { K } _ { 2 + 2 } \mathsf { C } _ { 4 } \mathsf { A } _ { 2 + 4 } \mathsf { G } _ { ( 2 ) }$
(i)Brassicaceae
(ii)Liliaceae
(iii)Fabaceae
(iv)Solanaceae
A.
a-iii, b-iv, c-ii, d-i
B.
a-i, b-ii, c-iii, d-iv
C.
a-ii, b-iii, c-iv, d-i
D.
a-iv, b-ii, c-i, d-iii
Q159 Allen 8. PYQ MCQ
Vegetative propagation in mint and jasmine occurs by
A.
Runner
B.
Sucker
C.
Stolon
D.
Offset
Q160 Allen 8. PYQ MCQ
The following figure represents the root system of
A.
Triticum
B.
Mango
C.
Banyan
D.
Brassica
Q161 Allen 8. PYQ MCQ
Among mustard, mulaithi, watermelon, soyabean,pumpkin,ashwagandha, Asparagus, brinjal, Allium, Trifolium, Rose, Indigofera, bitter gourd, plum, cucumber, arhar, moong and peach, how many plants have hypogynous flowers ?
A.
Three
B.
Ten
C.
Four
D.
Eleven
Q162 Allen 8. PYQ MCQ
Pinnate, compound leaves with reticulate venation are present in
A.
Neem
B.
Mango
C.
Alstonia
D.
Silk cotton
Q163 Allen 8. PYQ MCQ
Identify the correct set of statements:-
(a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea
(b) Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin
(c) Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves
(d) Rhizophora shows vertically upward growing roots that help to get oxygen for respiration
(e) Subaerially growing stems in grasses and strawberry help in vegetative propagation
A.
(a) and (d) Only
B.
(b), (c), (d) and (e) Only
C.
(a), (b), (d) and (e) Only
D.
(b) and (c) Only
Q164 Allen 8. PYQ MCQ
The flowers are Zygomorphic in:-
(a) Mustard
(b) Gulmohaur
(c) Cassia
(d) Datura
(e) Chilly
A.
(b), (c) Only
B.
(d), (e) Only
C.
(c), (d), (e) Only
D.
(a), (b), (c) Only
Q165 Allen 8. PYQ MCQ
Which one of the following plants shows vexillary aestivation and diadelphous stamens ?
A.
Pisum sativum
B.
Allium cepa
C.
Solanum nigrum
D.
Colchicum autumnale
Q166 Allen 8. PYQ MCQ
Identify the correct statements related to the androecium in the flower.
(a) The sterile stamens are called staminodes.
(b) When stamens are attached to petals they are called epipetalous.
(c) Monoadelphy is seen in China-rose.
(d) Polyadelphy is seen in Pea.
(e) Variation in the length of anther filaments is seen in Mustard.
A.
(a), (b), (c) and (e) only
B.
(a), (b) and (c) only
C.
(b), (c) and (d) only
D.
(a), (c), (d) and (e) only
Q167 Allen 8. PYQ MCQ
Which of the following plants possesses the placentation of ovules borne on central axis with no septa?
A.
Pea
B.
China-rose
C.
Primrose
D.
Lemon
Q168 Allen 8. PYQ MCQ
Choose the mismatched pair of leaf character with its example :
A.
Alternate phyllotaxy - China-rose
B.
Leaf tendril - Pea
C.
Opposite phyllotaxy - Calotropis
D.
Palmately compound - Alstonia
Q169 Allen 8. PYQ MCQ
The Floral Diagram represents which one of the following families ?
A.
Fabaceae
B.
Brassicaceae
C.
Solanaceae
D.
Liliaceae
Q170 Allen 8. PYQ Match the Columns
Match Column - I with Column- II :-
Column-IColumn-II
(a)Imbricate
(b)Valvate
(c)Vexillary
(d)Twisted
(i)Calotropis
(ii)Cassia
(iii)Cotton
(iv)Bean
A.
(a) - (ii),(b) - (i), (c) - (iii),(d) - (iv)
B.
(a) - (ii),(b) - (i), (c) - (iv), (d) - (iii)
C.
(a) - (ii),(b) - (iĪ½),(c) - (iii),(d) - (i)
D.
(a) - (i), (b) - (iii),(c) - (iv),(d) - (ii)
Q171 Allen 8. PYQ MCQ
Family Fabaceae differs from Solanaceae and Liliaceae. With respect to the stamens, pick out the characteristics specific to family. Fabaceae but not found in Solanaceae or Liliaceae.
A.
Polyadelphous and epipetalous stamens
B.
Monoadelphous and Monothecous anthers
C.
Epiphyllous and Dithecous anthers
D.
Diadelphous and Dithecous anthers
Q172 Allen 8. PYQ MCQ
Axile placentation is observed in
A.
China rose, Beans and Lupin
B.
Tomato, Dianthus and Pea
C.
China rose, Petunia and Lemon
D.
Mustard, Cucumber and Primrose
Q173 Allen 8. PYQ MCQ
In Calotropis, aestivation is :
A.
Valvate
B.
Vexillary
C.
Imbricate
D.
Twisted
Q174 Allen 8. PYQ MCQ
In a pea flower, five petals are arranged in a specialized manner with one posterior, two lateral and two anterior. These are named as and respectively.
A.
Keel, Wings and Standard
B.
Vexillum, Keel and Standard
C.
Keel, Standard and Carina
D.
Standard, Wings and Keel
Q175 Allen 8. PYQ MCQ
Match the following :-
Column-IColumn-II
(a)zygomorphic
(b)hypogynous
(c)perigynous
(d)epigynous
(i)mustard
(ii)plum
(iii)cassia
(iv)cucumber
A.
a-i, b-iii,c-iv, d-iii
B.
a-i, b-iii,c-iii,d-iv
C.
a-iv,b-i, c-ii, d-ii
D.
a-iii,b-i,c-ii, d-iv