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NEET Biology MCQ
Neet Biology Morphology Of Flowering Plants Mcq
Quiz 26
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Q.1
In which of the following, petals show valvate aestivation:
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a) China rose.
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b) Cassia.
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c) Mustard.
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d) Pea.
Explanation
Answer:(c)
Q.2
Pappus is the modification of:
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a) Bract.
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b) Corolla.
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c) Stamen.
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d) Calyx.
Explanation
Answer:(d)
Q.3
A - Which one of the option shows the correct labelling of the parts marked as A, B, C and D in a typical structure of dicotyledonous seeds?
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a) A - Hilum, B - Micropyle, C - Radicle, D - Cotyledon, E - Plumule
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b) A - Hilum, B - Micropyle, C - Plumule, D - Cotyledon, E - Radicle
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c) A - Micropyle, B - Hilum, C - Plumule, D - Cotyledon, E - Radicle
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d) A - Hilum, B - Micropyle, C - Plumule, D - Radicle, E – Cotyledon
Explanation
Answer:(b)
Q.4
The flower is the reproductive unit in the ___________ meant for ___________ reproduction.
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a) angiosperms and sexual
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b) gymnosperms and sexual
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c) algae and asexual
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d) pteridophytes and asexual
Explanation
Answer:(a)
Q.5
Roots develop from parts of the plant other than radicle are called
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a) tap roots
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b) fibrous roots
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c) adventitious roots
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d) nodular roots
Explanation
Answer:(c)
Q.6
Unifoliate leaf is found in: (BHU2002)
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a) Pea
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b) Citrus
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c) Royal palm
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d) Oil palm
Explanation
Answer:(b)
Q.7
Select the floral formula of an actinomorphic, bisexual, hypogynous flower with five united sepals, five free petals, five free stamens and two united carpels with superior ovary:
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a) ⊕ ⚥ K(5) C5A5G(2).
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b) ⊕ ⚥ K(5) C5A5G(2)¯
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c) ⊕ ⚥ K2+2C4A2+4G(2).
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d)
Explanation
Answer:(a)
Q.8
Which among the following sentence is wrong about a hypogynous flower?
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a) The thalamus is dome/convex shaped, so ovary at the top of the thalamus, other whorls are starting below the gynoecium.
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b) The ovary is superior in position.
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c) Hypogynous condition more primitive than epigynous condition.
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d) Hypogynous flowers are found in the families: Fabaceae, Asteraceae and Rubiaceae.
Explanation
Answer:(d)
Q.9
Ginger, turmeric, Canna, water lily, some ferns and any aroids possess a prostate thickened stem with distinct nodes, internodes, buds and scale leaves, which creeps horizontally under the ground called:
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a) Stem tuber.
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b) Corm.
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c) Bulb.
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d) Rhizome.
Explanation
Answer:(d)
Q.10
The fruits and seeds which are sticky, have different types of outgrowths and are capable of undergoing
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a) Forced zoochory.
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b) Compensated zoochory
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c) Hydrochory
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d) Anemochory
Explanation
Answer:(a)
Q.11
Sessile and hermaphrodite flowers arranged in acropetal succession are found in:
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a) Spadix.
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b) Corymb.
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c) Spike.
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d) Raceme.
Explanation
Answer:(c)
Q.12
The fruit is chambered, developed from the inferior ovary and seed is within succulent testa in:
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a) Pomegranate.
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b) pineapple.
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c) Guava.
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d) Cucumber.
Explanation
Answer:(a)
Q.13
Find out the correctly matched pair regarding the placentation type and the example in which it is represented in:
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a) Marginal – Tomato.
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b) Axile – Pea.
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c) Parietal – Primrose.
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d) Basal – Marigold.
Explanation
Answer:(d)
Q.14
Which of the following statements are true regarding tendrils?
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a) They develop from axillary buds.
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b) Helps the plant to climb.
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c) They are slender and spirally coiled.
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d) All of these.
Explanation
Answer:(d)
Q.15
Verticillate leaves are seen in:
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a) Nerium.
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b) Calotropis.
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c) Ixora.
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d) Both (B) and (C).
Explanation
Answer:(a)
Q.16
Identify the type of phyllotaxy present in sunflower, guava and Alstonia:
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a) Opposite, alternate, whorled.
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b) Whorled, alternate, opposite.
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c) Alternate, whorled, opposite.
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d) Alternate, opposite, whorled.
Explanation
Answer:(d)
Q.17
Potatoes are borne on :
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a) Primary roots
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b) axil of scaly leaves
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c) Lateral roots
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d) Adventitious roots
Explanation
Answer:(b)
Q.18
Stem is very much reduced in:
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a) Tuber
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b) Bulb
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c) Corm
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d) Rhizome
Explanation
Answer:(b)
Q.19
Red root is name of:
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a) Carrot
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b) Sweet potato
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c) Potato
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d) Beet root
Explanation
Answer:(d)
Q.20
Smallest dicotyledonous parasitic plant of the world is: (JIPMER 1997)
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a) Coryadalis nana
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b) Primulaminutissina
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c) Arcethobiumminustissimum
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d) Marsilea minuta
Explanation
Answer:(c)
Q.21
Inflorescence is :
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a) Number of flower present on an axis
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b) Arrangement of flowers on an axis
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c) Method of the opening of flower
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d) Type of flower borne on peduncle
Explanation
Answer:(b)
Q.22
From the life cycle point of view the most important part of a plants is:
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a) Flower
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b) Leaf
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c) Stem
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d) Stem
Explanation
Answer:(a)
Q.23
Pappus is a modification of :
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a) Calyx
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b) Corolla
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c) Stamens
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d) Gynoecium
Explanation
Answer:(a)
Q.24
A phyllode is a modified: (Kerala CET 2004)
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a) leaf
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b) stem
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c) root
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d) branch
Explanation
Answer:(a)
Q.25
Tallest gymnosperm : (AFMC 2006)
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a) sequoia
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b) Eucalyptus
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c) Pinus
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d) Rannuncoulus
Explanation
Answer:(a)
Q.26
Which one of the following statements is correct? (A.I.P.M.T. 2011)
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a) In tomato ,fruit is capsule
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b) Seeds of orchids have oil –rich endosperm
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c) Placentation in primrose is basal
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d) Flower of tulip is a modified shoot.
Explanation
Answer:(d)
Q.27
Which one of the following is not fruit?
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a) Cabbage
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b) Apple
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c) Watermelon
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d) Tomato
Explanation
Answer:(a)
Q.28
What is the edible part in coconut?
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a) Entire seed
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b) Fruit wall
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c) Endosperm
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d) None of the above
Explanation
Answer:(c)
Q.29
Sessile flowers of only one sex are found in the inflorescence are called:
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a) Spadix.
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b) Catkin.
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c) Achene.
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d) Panicle.
Explanation
Answer:(b)
Q.30
Which one of the following structure is not associated with gynoecium?
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a) Ovary
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b) Style
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c) Stigma
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d) Filament
Explanation
Answer:(d)
Q.31
Which of the following plants is growing in swampy areas, where many roots come out of the ground and grow vertically upwards?
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a) Potato
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b) Opuntia
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c) Rhizophora
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d) Grass
Explanation
Answer:(c)
Q.32
Which of the following fruit is not matched with its edible part?
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a) Coconut – Endosperm.
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b) Pomegranate – Seeds.
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c) Apple – Ovary wall.
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d) Mulberry – inflorescence.
Explanation
Answer:(b)
Q.33
When stamens are fused by their anthers and the filaments are free, the condition is called:
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a) Monadelphous.
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b) Synandrous.
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c) Syngenesious.
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d) Epipetalous.
Explanation
Answer:(c)
Q.34
Imbricate aestivation is found in:
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a) Calotropis
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b) Cassia.
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c) Cotton.
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d) Lady’s finger.
Explanation
Answer:(b)
Q.35
Palmately compound leaves are found in:
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a) Neem.
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b) Acacia.
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c) Cassia.
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d) Silk cotton.
Explanation
Answer:(d)
Q.36
A scar on the seed coat through which the developing seeds attached to the fruit is called as ________.
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a) testa
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b) Tegmen
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c) Hilum
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d) Micropyle
Explanation
Answer:(c)
Q.37
Cladode' is a characteristic morphological feature of
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a) Asparagus and Ruscus
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b) Casuarina and Opuntia
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c) Cladophora and Cactus
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d) Citrus and Euphorbia
Explanation
Answer:(a)
Q.38
The distinct features of Fabaceae are:
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a) Diadelphous, zygomorphic and monocarpellary.
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b) Actinomorphic, monocarpellary and monadelphous.
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c) Zygomorphic, monocarpellary and monadelphous.
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d) Actinomorphic, monocarpellary and diadelphous.
Explanation
Answer:(a)
Q.39
A green leaf like modified aerial stems/branches with a single internode is called:
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a) Phyllode.
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b) Phylloclade.
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c) Cladode.
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d) Bulbils.
Explanation
Answer:(c)
Q.40
Identify the correct combination:
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a) Datura – Solanaceae – Epipetalous stamens.
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b) Allium – Solanaceae – tricarpellary gynoecium.
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c) Petunia – Solanaceae – Didynamous condition.
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d) Crotalaria – Fabaceae – Diadelphous stamen.
Explanation
Answer:(a)
Q.41
S: In caryopsis the pericarp and seed coat are fused and form a ‘hull’ R: Tridex and vernonia are example of caryopsis
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a) S and R both are true, where R is definition of S
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b) S and R both are true, where R is not reason of S
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c) S is true, R is false
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d) S is false , R is true
Explanation
Answer:(c)
Q.42
Choose correct option by giving diagram:
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a) C- vexillary, D- Quincuncial , E- Imbricate
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b) C- vexillary , D- Imbricate , E- Quincuncial,
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c) C-Imbricate , D-Quincuncial, E-vexillary
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d) C- Imbricate , D- vexillary , E-Quincuncial
Explanation
Answer:(c)
Q.43
Labeling ‘p’ in root section
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a) Velamen tissue
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b) Meristemaictissus
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c) Growth tissue
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d) Fleshy tissue
Explanation
Answer:(a)
Q.44
Match list I with II types of leaves
List I
List II
(p) leaf included with in seed
I scaly leaf
(q) small or papery leaf
II bract
(r) stamen and Carpel
III seed leaf
(s) which a flower develops is
IV soprophylls
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a) P= III; Q= I ; R= IV ; S= II
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b) P= I; Q= III ; R= II; S= IV
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c) P= III; Q= IV; R= I; S= II
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d) P= III; Q= II R= I S= IV
Explanation
Answer:(a)
Q.45
Which of the following pairs is not correct? (J & k, 2004)
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a) Corymb - Candytuft
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b) Capitulum - sunflower
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c) Catkin – Mulberry
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d) Raceme – Wheat
Explanation
Answer:(d)
Q.46
Geocarpic fruit is : (AIPMT 2002)
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a) Potato
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b) Pea nut
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c) Onion
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d) Garlic
Explanation
Answer:(b)
Q.47
The hairs present in maize corn cob are: (AIPMT,2000,2006)
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a) Styles
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b) Stigma
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c) Seed hairs
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d)Modified hairs of bracts
Explanation
Answer:(a)
Q.48
Flower in which only set of one essential organ develops are call: (Kerala,PMT,04)
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a) Unisexual
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b) Monoecious
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c) Dioecious
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d) Polygamous
Explanation
Answer:(a)
Q.49
When the stem or its branch ends into floral bus:
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a) Vegetative growth starts
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b) Reproductive growth starts
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c) Lateral branch is given out
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d) Apical growth is stimulated
Explanation
Answer:(b)
Q.50
_____ are the vegetative organs of the flowering plants:
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a) Root ,stem, flower
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b) Leaves ,stem, fruits
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c) Roots, leaves, flowers
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d) Roots, stem, leaves
Explanation
Answer:(d)
0 h : 0 m : 1 s
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