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Morphology of Flowering Plants

132 Questions Start NEET Test
All Exams NEET AIIMS
2016 Q51 NEET MCQ
10 Mar 2026
How many plants among Indigofera., Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
A.
Three
B.
Four
C.
Five
D.
Six
2016 Q52 NEET MCQ
10 Mar 2026
Stems modified into flat green organs performing the functions of leaves are known as
A.
phylloclades
B.
scales
C.
cladodes
D.
phyllodes.
2016 Q53 NEET MCQ
10 Mar 2026
Which of the following is not a stem modification?
A.
Tendrils of cucumber
B.
Flattened structures of Opuntia
C.
Pitcher of Nepenthes
D.
Thorms of citrus
2016 Q54 NEET MCQ
10 Mar 2026
The standard petal of a papilionaceous corolla is also called
A.
vexillum
B.
corona
C.
carina
D.
pappus.
2016 Q55 NEET MCQ
10 Mar 2026
Cotyledon of maize grain is called
A.
coleoptile
B.
scutellum
C.
plumule
D.
coleorhiza.
2016 Q56 NEET MCQ
10 Mar 2026
Tricarpellary, syncarpous gynoecium is found in flowers of
A.
Fabaceae
B.
Poaceae
C.
Liliaceae
D.
Solanaceae
2015 Q57 NEET MCQ
10 Mar 2026
Axile placentation is present in
A.
pea
B.
Argemone
C.
Dianthus
D.
lemon.
2015 Q58 NEET MCQ
10 Mar 2026
Roots play insignificant role in absorption of water in
A.
pea
B.
wheat
C.
sunflower
D.
Pistia.
2015 Q59 NEET MCQ
10 Mar 2026
Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
A.
Three
B.
Four
C.
Five
D.
Six
2015 Q60 NEET MCQ
10 Mar 2026
The wheat grain has an embryo with one large, shield shaped cotyledon known as
A.
scutellum
B.
coleoptile
C.
epiblast
D.
coleorhiza.
2015 Q61 NEET MCQ
10 Mar 2026
Perigynous flowers are found in
A.
China rose
B.
rose
C.
guava
D.
cucumber.
2015 Q62 NEET MCQ
10 Mar 2026
AIPMT 2015 Cancelled Paper Biology - Morphology of Flowering Plants Question 44 English is the floral formula of
A.
Petunia
B.
Brassica
C.
Allium
D.
Sesbania.
2015 Q63 NEET MCQ
10 Mar 2026
Keel is the characteristic feature of flower of
A.
Aloe
B.
tomato
C.
tulip
D.
Indigofera.
2015 Q64 NEET MCQ
10 Mar 2026
Leaves become modified into spines in
A.
onion
B.
silk cotton
C.
Opuntia
D.
pea
2014 Q65 NEET MCQ
10 Mar 2026
Which one of the following statements is correct?
A.
They seed in grasses is not endospermic.
B.
Mango is a parthenocarpic fruit.
C.
A proteinaceous aleurone layer is present in maize grain.
D.
A sterile pistil is called a staminode.
2014 Q66 NEET MCQ
10 Mar 2026
An example of edible underground steam is
A.
carrot
B.
groundnut
C.
sweet potato
D.
potato.
2014 Q67 NEET MCQ
10 Mar 2026
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as
A.
vexillary
B.
imbricate
C.
twisted
D.
valvate.
2014 Q68 NEET MCQ
10 Mar 2026
Placenta and pericarp are both edible portions in
A.
apple
B.
banana
C.
tomato
D.
potato
2013 Q69 NEET MCQ
10 Mar 2026
In a cymose inflorescence the main axis
A.
has unlimited growth
B.
bears a solitary flower
C.
has unlimited growth but lateral branches end in flowers
D.
terminates in a flower.
2013 Q70 NEET MCQ
10 Mar 2026
Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, tobaco and groundnut, how many plants have corolla with valvate aestivation?
A.
Six
B.
Seven
C.
Eight
D.
Five
2013 Q71 NEET MCQ
10 Mar 2026
Inflorescence is racemose in
A.
brinjal
B.
tulip
C.
aloe
D.
soybean.
2013 Q72 NEET MCQ
10 Mar 2026
How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?
A.
Three
B.
Four
C.
Five
D.
Two
2013 Q73 NEET MCQ
10 Mar 2026
Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunhemp, gram, guava, beam, chilli, plum, petunia, tomato, rose, Withania, potato, onion, aloe and tulip how many plants have hypogynous flower?
A.
Fifteen
B.
Eighteen
C.
Six
D.
Ten
2013 Q74 NEET MCQ
10 Mar 2026
In China rose the flowers are
A.
zygomorphic, hypogynous with imbricate aestivation
B.
zygomorphic, epigynous with twisted aestivation
C.
actinomorphic, hypogynous with twisted aestivation
D.
actinomorphic, epigynous with valvate aestivation
2012 Q75 NEET MCQ
10 Mar 2026
How many plants in the list given below have marginal placentation?
Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli, Colchicum, Onion, Moong, Pea, Tobacco, Lupin
A.
Four
B.
Five
C.
Six
D.
Three
2012 Q76 NEET MCQ
10 Mar 2026
Which one of the following organisms is correctly matched with its three characteristic?
A.
Pea: C3 pathway, endospermic seed, vexillary aestivation
B.
Tomato : twisted aestivation, axile placentation, berry
C.
Onion : bulb, imbricate aestivation, axile placentation
D.
Maize : C3 pathway, closed vascular bundles, scutellum
2012 Q77 NEET MCQ
10 Mar 2026
Cymose inflorescence is present in
A.
Solanum
B.
Sesbania
C.
Trifolium
D.
Brassica
2012 Q78 NEET MCQ
10 Mar 2026
Phyllode is present in
A.
Asparagus
B.
Euphorbia
C.
Australian Acacia
D.
Opuntia.
2012 Q79 NEET MCQ
10 Mar 2026
Placentation in tomato and lemon is
A.
parietal
B.
free central
C.
marginal
D.
axile.
2012 Q80 NEET MCQ
10 Mar 2026
The gynoecium consists of many free pistils in flowers of
A.
Aloe
B.
tomato
C.
Papaver
D.
Michelia
2012 Q81 NEET MCQ
10 Mar 2026
How many plants in the list given below have composite fruits that develop from an inflorescence?
Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry.
A.
Four
B.
Five
C.
Two
D.
Three
2012 Q82 NEET MCQ
10 Mar 2026
The coconut water and the edible part of coconut are equivalent to
A.
endosperm
B.
endocarp
C.
mesocarp
D.
embryo
2012 Q83 NEET MCQ
10 Mar 2026
Vexillary aestivation is characteristic of the family
A.
Febaceae
B.
Asteraceae
C.
Solanaceae
D.
Brassicaceae.
2011 Q84 NEET MCQ
10 Mar 2026
Whorled, simple leaves with reticulate venation are present in
A.
Calotropis
B.
neem
C.
China rose
D.
Alstonia.
2011 Q85 NEET MCQ
10 Mar 2026
Which one of the following figures represents the placentation in Dianthus?
A.
AIPMT 2011 Mains Biology - Morphology of Flowering Plants Question 39 English Option 1
B.
AIPMT 2011 Mains Biology - Morphology of Flowering Plants Question 39 English Option 2
C.
AIPMT 2011 Mains Biology - Morphology of Flowering Plants Question 39 English Option 3
D.
AIPMT 2011 Mains Biology - Morphology of Flowering Plants Question 39 English Option 4
2011 Q86 NEET MCQ
10 Mar 2026
Which one of the following pairs is wrongly matched while the remaining three are correct?
A.
Penicillium          $-$    conidia
B.
Water hyacinth     $-$    runner
C.
Bryophyllum        $-$    leaf buds
D.
Agave                  $-$    bulbils
2011 Q87 NEET MCQ
10 Mar 2026
Sweet potato is homologous to
A.
potato
B.
Colocasia
C.
ginger
D.
turnip.
2011 Q88 NEET MCQ
10 Mar 2026
The correct floral formula of chilli is
A.
AIPMT 2011 Prelims Biology - Morphology of Flowering Plants Question 43 English Option 1
B.
AIPMT 2011 Prelims Biology - Morphology of Flowering Plants Question 43 English Option 2
C.
AIPMT 2011 Prelims Biology - Morphology of Flowering Plants Question 43 English Option 3
D.
AIPMT 2011 Prelims Biology - Morphology of Flowering Plants Question 43 English Option 4
2011 Q89 NEET MCQ
10 Mar 2026
The ovary is half inferior in flowers of
A.
peach
B.
cucumber
C.
cotton
D.
guava.
2011 Q90 NEET MCQ
10 Mar 2026
Which one of the following statements is correct?
A.
In tomato, fruit is a capsule.
B.
Seeds of orchids have oil-rich endosperm.
C.
Placentation in primose is basal.
D.
Flower of tulip is a modified shoot.
2011 Q91 NEET MCQ
10 Mar 2026
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?
A.
42
B.
63
C.
84
D.
21
2011 Q92 NEET MCQ
10 Mar 2026
A drupe develops in
A.
mango
B.
wheat
C.
pea
D.
tomato.
2011 Q93 NEET MCQ
10 Mar 2026
Flowers are zygomorphic in
A.
mustard
B.
gulmohur
C.
tomato
D.
Datura.
2010 Q94 NEET MCQ
10 Mar 2026
Aestivation of petals in the flower of cotton is correctly shown in
A.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 38 English Option 1
B.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 38 English Option 2
C.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 38 English Option 3
D.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 38 English Option 4
2010 Q95 NEET MCQ
10 Mar 2026
The correct floral formula of soyabean is
A.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 42 English Option 1
B.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 42 English Option 2
C.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 42 English Option 3
D.
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 42 English Option 4
2010 Q96 NEET MCQ
10 Mar 2026
Consider the following four statements (i), (ii), (iii) and (iv) and select the right option for two correct statements.

Statements :
(i)  In vexillary aestivation, the large posterior petal is called-standard, two lateral ones are wings and two small anterior petals are termed keel.
(ii)  The floral formula for Liliaceae is
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 41 English 1
(iii)  In pea flower the stamens are monadelphous.
(iv)  The floral formula for Solanaceae is
AIPMT 2010 Mains Biology - Morphology of Flowering Plants Question 41 English 2

The correct statements are
A.
(i) and (iii)
B.
(i) and (ii)
C.
(ii) and (iii)
D.
(iii) and (iv).
2010 Q97 NEET MCQ
10 Mar 2026
Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?
A.
Opuntia
B.
Casuarina
C.
Hydrilla
D.
Acacia
2010 Q98 NEET MCQ
10 Mar 2026
Ovary is half-inferior in the flowers of
A.
guava
B.
plum
C.
brinjal
D.
cucumber.
2010 Q99 NEET MCQ
10 Mar 2026
Keel is characteristic of the flowers of
A.
gulmohur
B.
Cassia
C.
Calotropis
D.
bean
2010 Q100 NEET MCQ
10 Mar 2026
The technical term used for the androecium in a flower of China rose (Hibiscus rosa sinensis) is
A.
monadelphous
B.
diadelphous
C.
polyandrous
D.
polyadelphous.