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NAT II Biological Science Botany MCQs With Answers
Question # 1
Translator consists of two parts
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Corpusculum and a pair of arms
Gynoestigium and polonium
Androecium and gynoecium
Gynoestigium and corpusculum
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Question # 2
Second largest family of glowering plants
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Leguminoceae
Labiaceae
Cucurbitaceae
Solanaceae
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Question # 3
Following statement is in accordance to Darwinisw
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Natural Selection
Over Production
Survival of fittest
All of these
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Question # 4
Leaves of ---------- are used for the treatment of asthma
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Datura
Lyecium
Atropa
Solanum
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Question # 5
------------ are the reaction that takes place during the light phase of photosynthesis
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Kelvin cycle
Photo-reaction
Hill's reaction
All
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Question # 6
Many fungi are the sources of drugs, which drug is used to lower the blood cholesterol level
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Griseofulvin
Cyclosporine
Lovastatin
Ergotin
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Question # 7
The botanical name of plum is
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Prunuspersica
Pyruscommunis
Prunusdomestica
Rosa Alba
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Question # 8
What is the contrasting feature on the basis of which fungi are considered different from animals?
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Lack cellulose in their cell wall
Heterotrophs
Contains chitin
Non-motile
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Question # 9
Study of relationship of animals to their environment is termed as
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Ecology
Eco
System
Biotic components
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Question # 10
In an ecosystem Green photosynthetic plants, which capture and bring light energy into ecosystem are termed as
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Consumers
Decomposers
Producers
Parasites
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Question # 11
Calyx sometimes modified into a large number of hairs like structures
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Pepo
Pappus
Ray floret
Neuter
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Question # 12
In plants the process of respiration is also termed as;
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Tissue respiration
Eqidermal respiration
Both a & b
Cutaneous Respiration
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Question # 13
Botanists were agreed that scientific names should be in
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English
Latin
Greek
Spanish
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Question # 14
The criteria of the classification are the ----------- on which the classification is based.
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Groups
Divisions
Characters
Orders
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Question # 15
In ---------- stems & roots of plants increase in diameter
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Primary growth
Secondary growth
Permanent growth
Apical growth
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Question # 16
Which one of the following is a biotic component?
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Atmosphere
Water
Fungi
Soil
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Question # 17
While studying the components of an ecosystem what is the biotic component in all these examples?
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Gravity
Topography
Consumers
Temperature
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Question # 18
Green color blindness is called
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Parotanopia
Denteranopia
Tritanopia
Non of these
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Question # 19
Cohesion theory of ascent of sap is proposed by
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Zimmernmann
John jolly
Dixon
Both a & b
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Question # 20
Family ------------ incluldes 100 genera and 850 species
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Compositeae
Crucifereae
Labiateae
Cucurbitaceae
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Question # 21
Stephen Endlicher classified plants into two major groups
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Thalophytes and pteridophytes
Thalophytes and carmophytes
Bryophytes and pteridophytes
Angiosperms and ghmnosperms
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Question # 22
When there is a net movement of water molecules occurs towards an imbibant, the type of diffusion is
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Potential diffusion
Active diffusion
Passive diffusion
Imbibation
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Question # 23
Protanopia is
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Green blindness
Red blindness
Yellow blindness
Blue blindness
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Question # 24
The majority of plants of this family provides edible fruits
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Rosaceae
Labiaceae
Ranunculaceae
Malvaceae
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