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Neet Biology Morphology Of Flowering Plants Mcq
Quiz 24
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Q.1
Name the inflorescence lacking involucres of bracts:
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a) Cyathium.
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b) Capitulum.
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c) Umbel.
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d) Synconium.
Explanation
Answer:(d)
Q.2
Assertion: Cashew apple is a spurious fruit. Reason: Peduncle is fleshy and edible.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(c)
Q.3
In which of following, the plants have all roots?
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a) Podostemon
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b) Lemna
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c) Wolffia
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d) Utricularia
Explanation
Answer:(a)
Q.4
Roots are differentiated into adventitious roots by their:
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a) Function
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b) appearance
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c) place of origin
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d) position
Explanation
Answer:(c)
Q.5
Plants with jointed stem and hollow internodes are known as :
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a) Clums
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b) Scape
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c) Ephemerals
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d) Lianas
Explanation
Answer:(a)
Q.6
Tiny sacs or bladders are found in:
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a) Utriculariya
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b) salvinia
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c) nepenthes
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d) Hydrilla
Explanation
Answer:(a)
Q.7
Insectivorous plants catch insects for obtaining:
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a) Na - K
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b) Taste
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c) Phosphorus
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d) Nitrogen
Explanation
Answer:(d)
Q.8
Which of the following is not a term connected with seed?
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a) Unitegmic.
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b) Testa.
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c) Tegmen.
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d) Pappus.
Explanation
Answer:(d)
Q.9
Which of the following family exhibit scape?
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a) Solanaceae
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b) Lilliaceae.
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c) Fabaceae.
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d) Malvaceae
Explanation
Answer:(b)
Q.10
What is the common character for Solanaceae, Fabaceae and Lilliaceae?
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a) Alternate leaves.
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b) Compound leaves.
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c) Perfect flowers.
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d) Both (A) and (C).
Explanation
Answer:(d)
Q.11
In a Staminal tube, the fusing region is:
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a) Filaments.
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b) Anthers.
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c) Connective
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d) Both (B) and (C).
Explanation
Answer:(a)
Q.12
Assertion: Racemose inflorescence is monopodial. Reason: The main axis terminates in a flower and subsequent growth is by lateral buds.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(c)
Q.13
Petiole is modified into tendril in
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a) Passiflora
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b) Gloriosa
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c) Pisum
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d) clematis
Explanation
Answer:(d)
Q.14
What is the eye of potato ?
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a) Axillary bud
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b) Accessory bud
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c) Adventitious bud
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d) Apical bud
Explanation
Answer:(a)
Q.15
Zig-zag development of inflorescence axis is an example of:
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a) Helicoid cyme
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b) Scorpioid
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c)Umbel
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d) Compound umbel
Explanation
Answer:(a)
Q.16
Root pocket does not occur in : (Orrisa 2004)
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a) Ipomoea
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b) Mangrove plants
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c) trapa
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d) trapa
Explanation
Answer:(d)
Q.17
Which of the following is the correct floral formula for the floral diagram given below?
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Explanation
Answer:(c)
Q.18
Match column - I, II and III and choose the correct option.
Column - I
Column - II
Column - III
A. Marginal
p. Sunflower, Marigold
B. Axile
q. Dianthus, Primrose
C. Parietal
r. Mustard, Argemone
D. Free central
s. China rose. tomato
E Basal
r. Pea
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a) A - V, t; B - II, s; C -I, r; D -III, q; E -IV, p
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b) A - I, t; B - II, s; C - III, r; D - IV, p; E - V, q
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c) A - V, p; B - II, s; C - I, q; D - III, r; E - IV, t
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d) A - V, p; B - III, q; C - II, s; D - I, t; E - IV, r
Explanation
Answer:(a)
Q.19
The fleshy receptacle encloses a number of: (C.B.S.E. 2008)
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a) Berries
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b) achene
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c) Unisexual flower
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d) Samaras
Explanation
Answer:(c)
Q.20
What is the edible part of Mango?
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a) Epicarp
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b) Mesocarp
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c) Endocarp
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d) Thalamus
Explanation
Answer:(b)
Q.21
How many plants in the list given below have composite fruits that develop from an inflorescence? Walnut, poppy, radish, pineapple, apple, tomato, mulberry.
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a) Five
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b) Two
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c) Three
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d) Four
Explanation
Answer:(b)
Q.22
Parallel venation is a characteristic of :
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a) Legumes
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b) Grasses
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c) Parasitic plants
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d) Xerophytic plants
Explanation
Answer:(b)
Q.23
Beauty of Bougainvillea flower are: (AFMC, 1997)
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a) Corolla
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b) Calyx
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c) Bracts
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d) Androecium
Explanation
Answer:(c)
Q.24
Brinjal show ______ calyx.
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a) Pappus
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b) Deciduous
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c) Caduceus
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d) Persistent
Explanation
Answer:(d)
Q.25
An inflorescence always forms a : (Punjab PMT 1997 )
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a) Multiple or composite fruit
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b) Simple fruit
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c) Dry dehiscent fruit
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d) Aggregate fruit
Explanation
Answer:(a)
Q.26
Match the following with correct combination.
Colum I
Colum II
(P) Marginal Placentation
I Petuna
(Q) Axial Placentation
II Dianthus
(R) Free central Placentation
III Mustard
(S) Parietal Placentation
IV Pea
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a) (P)- II, (Q)- I, (R)-IV ,(S)-III
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b) (P)-III, (Q)-IV, (R)–II,(S)- I
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c) (P)- IV ,(Q) – I,(R)-II ,(S)-III
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d) (P)-IV ,(Q)– I, (R)-III,(S)- II
Explanation
Answer:(c)
Q.27
The storage roots formed in clusters from the base of the stem are called:
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a) Moniliform.
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b) Annulated.
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c) Nodulose.
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d) Fasciculated.
Explanation
Answer:(d)
Q.28
Which of the following represents the floral characters of lilliaceae?
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a) Six tepals, zygomorphic, six stamens, bilocular ovary, axile placentation.
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b) Actinomorphic, polyphyllous, unilocular ovary, axile placentation.
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c) Tricarpellary, actinomorphic, polyandrous, superior ovary, axile placentation.
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d) D Bisexual, zygomorphic, gamophyllous, inferior ovary, marginal placentation.
Explanation
Answer:(c)
Q.29
Replum is present in the ovary of the flower of:
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a) Sunflower.
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b) Mustard.
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c) Pea.
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d) Lemon.
Explanation
Answer:(b)
Q.30
Which of the following statements are correct about the leaf?Leaf is a lateral, generally flattened structure borne on the stem.It develops at the node and bears a bud in its axil.Leaves originate from root apical meristem and arranged in an acropetal order.They are the most important vegetative organs for reproduction.
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a) (i) and (ii)
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b) (ii) and (iii)
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c) (i), (ii) and (iv)
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d) all of these
Explanation
Answer:(a)
Q.31
The condition in which stamens are united throughout their whole length is:
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a) Synandrous.
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b) Syngenesious.
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c) Polyandrous.
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d) Adelphous.
Explanation
Answer:(a)
Q.32
Which of the following statement(s) is/are correct about calyx?
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a) Calyx is the outermost whorl of the flower and are called sepals.
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b) Sepals are green, leaf like and protect the flower in the bud stage.
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c) The calyx may be gamosepalous (sepals free) or polysepalous (sepals united).
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d) Both (a) and (b)
Explanation
Answer:(d)
Q.33
Alternate type of phyllotaxy is found in
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a) china rose
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b) mustard
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c) sunflower
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d) all of these
Explanation
Answer:(d)
Q.34
Prop roots of banyan tree are meant for
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a) respiration.
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b) absorption of water from soil.
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c) providing support to big tree.
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d) all of the above.
Explanation
Answer:(c)
Q.35
Inflorescence of Lilliaceae is
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a) actinomorphic
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b) Trimerous
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c) Pentamerous
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d) imperfect
Explanation
Answer:(b)
Q.36
Petals of a flower are arranged in such a way that each overlaps a petal on one side and is overlapped by other petal on the other side. This aestivation is:
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a) Valvate.
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b) Quincuncial.
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c) Imbricate.
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d) Twisted.
Explanation
Answer:(d)
Q.37
Common feature found in China rose, tomato and lemon:
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a) Monadelphous stamens.
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b) Epipetalous stamens.
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c) Polyadelphous stamens.
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d) Axile placentation.
Explanation
Answer:(d)
Q.38
Match the following correctly:
a. Spike
Centella
b. Spadix
Colacasia
c. Capitulum
Adhatoda
d. Umbel
Salix
e. Catkin
Sunflower
f. Verticillaster
Ociumum
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a) a= 2 ;b=4 c =5; d=6 ;e=1 ; f=3
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b) a= 3 ;b=2 c =5; d=1 ;e=4 ; f=3
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c) a= 5 ;b=2 c =3; d=1 ;e=6 ; f=4
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d) a= 4 ;b=3 c =6; d=1 ;e=2 ; f=5
Explanation
Answer:(b)
Q.39
Choose the mismatched one:
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a) Belladonna – Solanaceae.
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b) Gloriosa – Solanaceae.
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c) Asparagus – Lilliaceae.
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d) Tulip – Lilliaceae.
Explanation
Answer:(b)
Q.40
Find the incorrect match:
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a) Stilt roots – Sugarcane.
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b) Adventitious roots – Potato.
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c) Rhizome – Ginger.
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d) Sucker – pineapple.
Explanation
Answer:(b)
Q.41
With regard to the character given below, identify the family: Actinomorphic, bisexual flowers, Persistent calyx, United five petals, Valvate aestivation, epipetalous stamens, oblique orientation of ovary.
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a) Fabaceae.
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b) Brassicaceae.
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c) Solanaceae.
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d) Lilliaceae.
Explanation
Answer:(c)
Q.42
Main function of leaf is
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a) exchange of gases
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b) increase the beauty of a tree
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c) manufacturing of food
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d) nerve impulse induction
Explanation
Answer:(c)
Q.43
Which one of the following statement is not correct?
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a) Each stamen which represents the male reproductive organ consists of a stalk or a filament and an anther.
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b) An actinomorphic flower can be dissected into two equal halves from any plane.
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c) Superior ovary is found in hypogynous flowers.
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d) When stamens are attached to the petals, they are epiphyllous as in brinjal.
Explanation
Answer:(d)
Q.44
Pollen grains are produced within _________of stamen.
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a) ovary
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b) anther
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c) filament
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d) connective
Explanation
Answer:(b)
Q.45
Which of the following is a modified stem for the protection of plants from browsing animals?
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a) Tendrils
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b) Thorns
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c) Rhizome
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d) Tuber
Explanation
Answer:(b)
Q.46
Root hairs develop from
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a) region of maturation
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b) region of elongation
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c) region of meristematic activity
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d) root cap
Explanation
Answer:(a)
Q.47
Diadelphous condition occurs in:
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a) Potato.
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b) Sunflower.
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c) Pea.
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d) Mustard.
Explanation
Answer:(c)
Q.48
The picture showing is a:
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a) Simple opposite leaves.
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b) Simple alternate leaves.
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c) Pinnately compound leaves.
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d) Palmately compound leaves.
Explanation
Answer:(c)
Q.49
Which of the following sentences is wrong?
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a) Respiratory roots are present in mangrove plants.
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b) Modified leaf root are characteristics of aquatic pteridophytes Salvinia.
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c) Phylloclade is a modified aerial stem in Opuntia.
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d) Arrangement of accessory floral organs in relation to one another in floral bud is known as placentation.
Explanation
Answer:(d)
Q.50
The most interesting example of anemochory shown by coastal plant where ripe fruits and seeds are rolled like a ball miles away by incurved branches is
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a) Cocos.
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b) Salsola kali.
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c) Areca catechu.
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d) Nipa fruiticans
Explanation
Answer:(b)
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