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Neet Biology Morphology Of Flowering Plants Mcq
Quiz 11
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Q.1
Papilionaceous flower with large vexillum covering two wings and the wings covering the keel has corolla aestivation of ... ..[ CPMT 1992]
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a) Descending imbricate
0%
b) Ascending imbricate
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c) Twisted
0%
d) Valvate
Explanation
Vexilary aestivation a mode of aestivation in which one large upper petal folds over, and covers, the other smaller petals, as in most papilionaceous plants. In descending imbricate aestivation, the posterior petal overlaps one margin of the two lateral petals. Answer : (a)
Q.2
Tall trees of what range of height have strong buttresses at their base ... ... [ Guj CET 2009]
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a) 15 m and avove
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b) 5 -7 m
0%
c) 3 - 5 m
0%
d) 7 -10 m
Explanation
Buttress roots are large, wide roots on all sides of a shallowly rooted tree. Typically, they are found in nutrient-poor tropical forest soils that may not be very deep. They can grow up to 30 feet (9.1 m) tall and spread for 30 metres above the soil then for another 30 metres below. Answer : (a)
Q.3
Scientific name of Sunn Hemp is ... ... [ kerala 2009]
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a) Crotalaria juncea
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b) Erythrina indica
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c) Arachis hypogea
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d) Glycine max
Explanation
Scientific name of Sunn Hemp is Crotalaria juncea Crotalaria juncea, known as brown hemp, Indian hemp, Madras hemp, or sunn hemp, is a tropical Asian plant of the legume family (Fabaceae). It is generally considered to have originated in India. Answer : (a)
Q.4
Umbel inflorescence occurs in ... ... [ Odisha 1995]
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a) Coriandrum
0%
b) Colocasia
0%
c) Musa
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d) Sunflower
Explanation
an umbel is an inflorescence that consists of a number of short flower stalks (called pedicels) which spread from a common point, somewhat like umbrella ribs. Answer : (a)
Q.5
In an inflorescence two types of centripetally arranged sessile flowers with hair-like sepals occurs. Which one is not associated with them . a)Nectar glands at base of corolla b) Axile placentation c) Superior ovary d) Scaly bracts
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a) b and c
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b) c and d
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c) a and b
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d) a and d
Explanation
sessility is a characteristic of plant parts that have no stalk. Answer : (a)
Q.6
Three crop that contribute maximum to globle food production are ... ... [ CBSE 2005]
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a) Wheat, Rice and maize
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b) Wheat, Rice and Barley
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c) Wheat, Maize and Sorghum
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d) Rice, Maize and Sorghum
Explanation
Answer : (a)
Q.7
Roots are feebly developed in ... ..[ EAMCET 1995]
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a) Hydrophytes
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b) Mesophytes
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c) Xerophytes
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d) Halophytes
Explanation
Root system is very much reduced in some floating plants and in submerged plants the roots are absent. Answer : (a)
Q.8
Synandrous condition is fusion of ... .. [ Bih PMT 1994]
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a) Filaments only
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b) Both filaments and anthers
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c) Anthers only
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d) Petals
Explanation
Synandrous having stamen fused along both their filaments and anthers. Answer : (b)
Q.9
The inflorescence in family compsitae is ... ..[ JIPMER 2000 ]
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a) Capitulum
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b) Spadix
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c) Umbel
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d) Catkin
Explanation
Answer : (a)
Q.10
Banana is ... .. [ 2006]
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a) Cremocarp
0%
b) Parthenocarpic berry
0%
c) Drupe
0%
d) Capsule
Explanation
Answer : (b)
Q.11
Find out the correctly matched pairs as to aestivation of petals: (i) Valvate - Calotropis (ii) Twisted - Bean (iii) Imbricate - Cassia (iv) Vexillary - China Rose ... ... [ kerala 2012]
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a) ii and iv
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b) i and ii
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c) i and iii
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d) iii and iv
Explanation
Answer : (c)
Q.12
In the fruit of Pomegranate, the edible part is ... ..[ CPMT1999 ]
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a) Mesocarp
0%
b) Pericarp
0%
c) Seed coat
0%
d) Endocarp
Explanation
Answer : (c)
Q.13
is the floral formula of ... ... [ CBSE 1991]
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a) Asterceae
0%
b) Brassicaceae
0%
c) Fabaceae
0%
d) Solanaceae
Explanation
Answer : (d)
Q.14
Which one of the following is not an insectivorous plant? [ JKCMEE 2010]
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a) Monotropa
0%
b) Drosera
0%
c) Utricularia
0%
d) Nepenthes
Explanation
Answer : (a)
Q.15
Which one is correctly matched with its three characteristics ... .. [ CBSE 2012]
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a) Pea - C3, endospermic seed, vexillary aestivation
0%
b) Tomato - Twisted aestivation, axile placentation, berry
0%
c) Onion - Bulb, imbricate aestivation, axile placentation
0%
d) Maize - C3 pathway, closed vascular bundles, scutellum
Explanation
Answer : (c)
Q.16
Jack fruit is multiple fruit formed from ... ..[ Odisha 2003]
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a) Single ripened ovary
0%
b) Inflorescence
0%
c) Flower with many free carpels
0%
d) Flower with many partially fused carpels
Explanation
Answer : (b)
Q.17
Pinnately parallel venation is found in ... ...[ Tamil Nadu 2001]
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a) Canna
0%
b) Grass
0%
c) Zizyphus
0%
d) Castor
Explanation
Answer : (a)
Q.18
Juicy hair like structures observed in lemon fruit develop from ... ..[ CBSE 2003]
0%
a) Exocarp
0%
b) Mesocarp
0%
c) Endocarp
0%
d) Mesocarp and endocarp
Explanation
Answer : (c)
Q.19
Arrangement of sepals anad petals with respect to each other is ... ...
0%
a) Venation
0%
b) Vernation
0%
c) Aestivation
0%
d) Phyllotaxy
Explanation
Answer : (c)
Q.20
Which ones have long slender and coiled stem tendrils ... ... [ kerala 2011]
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a) Grape Vine and Pumpkin
0%
b) Australian Acacia and Water Melon
0%
c) Bouganvillea and Cucumber
0%
d) Strawberry and Grape Vine
Explanation
Answer : (a)
Q.21
A monocot showing reticulate venation is ... ..[ EAMCET 1995]
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a) Bombusa
0%
b) Smilax
0%
c) Callophyllum
0%
d) Ginkgo
Explanation
Answer : (b)
Q.22
An inflorescence having a number of achlamydous male flowers surrounding a single achlamydeous female flower is ... ...[ AMU 1999 ]
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a) Verticillaster
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b) Cyathium
0%
c) Spadix
0%
d) Hypanthodium
Explanation
Answer : (b)
Q.23
Dorsiventral dehiscence occurs in fruits (1) Legume (2) Follicle (3) Siliqua (4) Capsule
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a) 1 and 2
0%
b) 2 and 3
0%
c) 2 and 4
0%
d) 1 and 3
Explanation
Answer : (d)
Q.24
Citrus thorn/spin is actually modification of ... ... [ EAMCET 1995]
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a) Stem
0%
b) Branch
0%
c) Leaf
0%
d) Stipule
Explanation
Answer : (b)
Q.25
Aggregate fruit is formed from ... .. [ BHU 1995]
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a) Polycarpellary apocarpous gynaecium
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b) Polycarpellary syncarpous gynaecium
0%
c) An inflorescence
0%
d) Both a and b
Explanation
Answer : (a)
Q.26
In drupe of Coconut, mesocarp is ... ..[ AMU 2012]
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a) Stony
0%
b) Fleshy
0%
c) Fibrous
0%
d) Watery
Explanation
The coconut is a drupe, but the mesocarp is fibrous or dry (termed a husk), so this type of fruit is classified as a simple dry, fibrous drupe. Answer : (c)
Q.27
A characteristic of angiosperms is ... ..[ AFMC 1992]
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a) Flower
0%
b) Root
0%
c) Seed
0%
d) All the above
Explanation
Answer : (a)
Q.28
Ochreate stipules occur in leafy vegetable ... ... [ EAMCET 2002]
0%
a) Amarantus
0%
b) Mentha
0%
c) Platanus
0%
d) Rumex
Explanation
Answer : (d)
Q.29
Outgrowth developing alongwith hilum of the seed is ... .... [ EAMCET 1996]
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a) Plumule
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b) Radicle
0%
c) Strophiole
0%
d) Perisperm
Explanation
Answer : (c)
Q.30
Pneumatophores occur in plants of ... .... [ CBSE 2000 ]
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a) Sandy soil
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b) Saline marshy soil
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c) Marshy soil
0%
d) Water
Explanation
Answer : (b)
Q.31
Structure equivalent to perianth is ... ... [ BHU 1992]
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a) Superior palea
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b) Inferior palea
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c) Glumes
0%
d) Lodicules
Explanation
Answer : (d)
Q.32
Indian Mustard or Rai is ... .. [ CPMT 2010]
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a) Brassica juncea
0%
b) Brassica nigra
0%
c) Brassica rapa
0%
d) Brassica campester
Explanation
Answer : (a)
Q.33
In Acacia species, the first few leaves are pinnately compound. Then there are leaves with flattened petiole and fewer pinnaae. the leaves of adult plant has parallel veined flattened petiole and no pinnae. It shows that .. ..[ CPMT 1991]
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a) Leaves of adult plant are reduced to phyllodes while those of the seedling are unreduced.
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b) The parallel-veined green structures of the adult plant are phylloclades
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c) The plant shows developmental heterophylly, compound in seedling and simple in adult plant
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d) The leaves of adult plant are unreduced while they are reduced in the seedling stage.
Explanation
Answer : (a)
Q.34
Assertion a: In syconus type of fruit, the achenes formed are fewer than total number of flowers in the inflorescence. Reason r : Upper and middle flowers do not develop into fruits... ..[ EAMCET 2009]
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a) Both a and r are correct with r being correct explanation of a
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b) Both a and r are true but r is not correct explanation of a
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c) a is true but r is false
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d) a is false but r is true
Explanation
Answer : (a)
Q.35
Monothecous anthers occur in ... ... [ AMU 1999 ]
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a) Hibiscus rosa-sinensis/Malvaceae
0%
b) Allium cepa/Liliaceae
0%
c) Brassica oleracea/Cruciferae
0%
d) Solanum nigrum/Solanaceae
Explanation
Answer : (a)
Q.36
Lateral roots arise from primordia developed by division of ... .. [ CPMT 1991]
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a) Pericycle cells in between two protoxylem point
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b) Pericycle cells opposite protoxylem pints
0%
c) Endodermis cells in between wo protoxylem points
0%
d) Endodermis opposite protoxylem points
Explanation
Answer : (a)
Q.37
Parachute type dispersal occurs in ... .. [ CPMT 1995]
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a) Tomato
0%
b) Mustard
0%
c) Pea
0%
d) Cotton
Explanation
Answer : (d)
Q.38
Ovules occur along the ventral suture over a ridge in two rows in placentation ... ...[ AMU 2009]
0%
a) Marginal
0%
b) Parietal
0%
c) Axile
0%
d) Free central
Explanation
Answer : (a)
Q.39
Most reduced stem occurs in ... .. [ EAMCET 1996]
0%
a) Corm
0%
b) Rhizome
0%
c) Stem tuber
0%
d) Bulb
Explanation
Answer : (d)
Q.40
A flower with five unequal petals has largest posterior petal, two lateral slightly small petals and two anterior petals partially fused to form a boat-shaped structure. Which is not correct for such flower? ... ... [ EAMCET 2005]
0%
a) Descending imbricate aestivation
0%
b) Odd sepal anterior
0%
c) Piston mechanism of pollination
0%
d) Many carpels
Explanation
Answer : (d)
Q.41
Red Pepper is ... ... [ BHU 1992]
0%
a) Capsicum annuum
0%
b) Solanum nigrum
0%
c) Lycopersicum esculentum
0%
d) Physalis peruviana
Explanation
Answer : (a)
Q.42
Find the correct combination ... ... [ EAMCET 2009]
a) Entire leaf with stipules modified into spines;
i)
Clematis
b) Leaf except stipules modified into tendril
ii)
Citrus
c) Stipules modified into tendrils
iii)
Euphorbia
d) First leaf of axillary bud modified into spine
iv)
Lathyrus
- - - -
v)
Smilax
0%
a) a - iii, b - i, c - iv, d -ii
0%
b) a - ii, b - iii, c - i, d - v
0%
c) a - v, b - ii, c - i, d - iii
0%
d) a - iii, b - iv, c - v, d - ii
Explanation
Answer : (d)
Q.43
Pericarp develops from ... ... [ Odisha 2011]
0%
a) Ovary wall
0%
b) Inner integument
0%
c) Outer integument
0%
d) Placenta
Explanation
Answer : (a)
Q.44
Identify the order where plants show alternate, opposite and whorled phyllotax
0%
a) China Rose, Calotropis and Nerium
0%
b) China Rose, Nerium and Calotropis
0%
c) Nerium, China Rose and Calotropis
0%
d) Nerium, Calotropis and China Rose
Explanation
Answer : (a)
Q.45
Name the most advanced family of monocots .. ..[ Odisha 2006]
0%
a) Arecaceae
0%
b) Orchidaceae
0%
c) Poaceae
0%
d) none of the above
Explanation
Answer : (b)
Q.46
Leaves of Nelumbo plant are ... ... [ WB 2007]
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a) Epistomatic
0%
b) Hypostomatic
0%
c) Amphistomatic
0%
d) None of the above
Explanation
Answer : (a)
Q.47
Fleshy indehiscent fruit formed tricarpellary, syncarpous, inferior ovary with parietal placentation is ... ..[ CPMT 1990]
0%
a) Pome
0%
b) Pepo
0%
c) Hesperidium
0%
d) Syconus
Explanation
Answer : (b)
Q.48
Rhizophora possesses ... ... [ AMU 2009]
0%
a) Pneumatophores
0%
b) Prop roots
0%
c) Stilt roots
0%
d) Modified roots
Explanation
Pneumatophores are the aerial roots that grow vertically upwards in swampy plants like rhizophora to obtain oxygen as swampy plants are constantly submerged under water Answer : (b)
Q.49
In Pineapple, the edible part is ... .. [ Bih PMT 1994]
0%
a) Pericatp and thalamus
0%
b) Rachis/penducle, bracts, perianth and pericarps
0%
c) Mesocarp and endocarp
0%
d) Pericarp and placenta
Explanation
Answer : (b)
Q.50
Spiral phylotaxy in which sixth leaf lies above the first one after completing two circles is ... ..[ EAMCET 2002]
0%
a) Distichous
0%
b) Tristichous
0%
c) Pentastichous
0%
d) Octastichous
Explanation
Answer : (c)
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