Botany, also called plant science(s), plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. Traditionally, botany has also included the study of fungi and algae by mycologists and phycologists respectively, with the study of these three groups of organisms remaining within the sphere of interest of the International Botanical Congress.Botany originated in prehistory as herbalism with the efforts of early humans to identify – and later cultivate – edible, medicinal and poisonous plants, making it one of the oldest branches of science. Medieval physic gardens, often attached to monasteries, contained plants of medical importance.Modern botany is a broad, multidisciplinary subject with inputs from most other areas of science and technology. Research topics include the study of plant structure, growth and differentiation, reproduction, biochemistry and primary metabolism, chemical products, development, diseases, evolutionary relationships, systematics, and plant taxonomy. Botney is scientific study of the physiology, structure, genetics, ecology, distribution, classification, and economic importance of plan. By this definition plants include, algae, fungi, lichens, mosses, ferns, conifers and flowering plants.Just follow the Mcqs online quiz being dispatched over here with respect to your preparation for entry admission test NTS PPSC OTS PTS and missllenous job exams simultaneously.
Here we have large collection of Botany Mcqs for all Students and jobs test preparation purpose. These Botany Mcqs will be updated on daily basis and added more multiple choice question about Botany frequently.You can prepare your Botany Subject for different classes like 9th class, 10th class ,11th class 12th class exams, Entry Test like MCAT NTS ,OTS ,PTS ,BTS, GTS, Jobs Test,Recruitment Test like PPSC CSS FPSC SPSC KPPSC and interviews here.
Botany Mcqs Online With Answers for NTS PPSC Entry Test Classes
Botany
Botany Mcqs with Answers Solved
Respiration is regarded as a?
A. Reduction process
B. Anabolic process
C. Synthetic process
D. Catabolic process
Right Answer: D. Catabolic process
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Cuscuta is a?
A. Partial root parasite
B. Complete root parasite
C. Partial stem parasite
D. Complete stem parasite
Right Answer: D. Complete stem parasite
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Which of the following groups of organisms reproduce faster?
A. Bacteria
B. Algae
C. Protozoa
D. Fungi
Right Answer: A. Bacteria
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Maximum harm to a tree is caused by?
A. Loss of its bark
B. Loss of half of its leaves
C. Loss of half of its branches
D. Loss of all leaves
Right Answer: D. Loss of all leaves
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Which of the following is used to determine the rate of transpiration in plants?
A. Porometer/hygrometer
B. Potometers
C. Auxanometer
D. Tensiometer/barometer
Right Answer: B. Potometers
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Polyribosomes are aggregates of?
A. Ribosomes and r-RNA
B. Only r-RNA
C. Peroxisomes
D. Several ribosomes held together by string of m-RNA
Right Answer: D. Several ribosomes held together by string of m-RNA
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The cuticle is absent in?
A. Stem
B. Fruit
C. Leaf
D. Root
Right Answer: D. Root
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Why excessive heating and repeated use of cooking oil are most undesirable?
A. Nutrient value of food is lost
B. The oil vapour can cause indoor pollution
C. Carcinogenic substances like benzpyrene are peroduced
D. Loss and wastage of oil
Right Answer: C. Carcinogenic substances like benzpyrene are peroduced
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Water in plants is trans-ported by?
A. Xylem
B. Epidermis
C. Phloem
D. Cambium
Right Answer: A. Xylem
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A large number of identical plants can be obtained in short span of time through?
A. Stem cuttings
B. Hydroponics method
C. Large number of seeds of a single plant
D. Tissue culture technique
Right Answer: D. Tissue culture technique
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The best example of Polyembryony is?
A. Citrus
B. Cocoa
C. Cycas
D. Capsicum
Right Answer: A. Citrus
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The elements which is rich in most leafy vegetable is?
A. Zinc
B. Calcium
C. Iron
D. Phosphorous
Right Answer: C. Iron
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Where are the Eucalyptus trees found in abundance?
A. Nilgiri Hills
B. Mizo Hills
C. Naga Hills
D. Manipur Hills
Right Answer: A. Nilgiri Hills
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Vascular cryptogams are?
A. Bryophytes
B. Spermatophytes
C. Pteridophyte
D. None of these
Right Answer: C. Pteridophyte
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Chlorophyll containing auto-tropic thallophytes is called as?
A. Bryophytes
B. Fungi
C. Algae
D. Lichens
Right Answer: C. Algae
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During photosynthesis green plants absorb?
A. Oxygen
B. Nitrogen
C. Carbon monoxide
D. Carbon dioxide
Right Answer: D. Carbon dioxide
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The branch of agriculture which deals with the feeding, shelter, health and breeding of the domestic animals is called?
A. Veterinary Science
B. Animal husbandry
C. Dairy Science
D. Poultry
Right Answer: A. Veterinary Science
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Which of the following statement is true?
A. Whole grain cereals and pulses are more nutritious
B. Breakfast cereals are nutrients dense
C. Dehusked cereals and pulses are more nutrious
D. Processed cereals products are nutrient dense
Right Answer: A. Whole grain cereals and pulses are more nutritious
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The vitamin which cannot be had from any vegetable is?
A. Vitamin E
B. Vitamin B
C. Vitamin C
D. Vitamin D
Right Answer: D. Vitamin D
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The oil which causes dropsy is?
A. Coconut oil
B. Sunflower oil
C. Argemone oil
D. Groundnut oil
Right Answer: C. Argemone oil
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The dried flower buds are used as a spice in?
A. Saffron
B. Cloves
C. Cinnamon
D. Cardamom
Right Answer: B. Cloves
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The edible part of Cabbage is?
A. Vegetative bud
B. Fruit
C. Inflorescence
D. Condensed flower
Right Answer: A. Vegetative bud
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The enzyme in whose presence glucose and fructose and converted into alcohol is?
A. Invertase
B. Diastase
C. Zymase
D. Maltase
Right Answer: C. Zymase
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Which plant is called ‘Herbal Indian Doctor’?
A. Neem
B. Amla
C. Tulsi
D. Rajanigandha
Right Answer: B. Amla
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Respiration is?
A. Oxidation
B. Amination
C. Reduction
D. Hydrolysis
Right Answer: A. Oxidation
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Bulbils takes part in?
A. Food storage
B. Vegetative reproduction
C. Respiration
D. Sexual reproduction
Right Answer: B. Vegetative reproduction
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A sequence of changes in the community structure of an ecosystem over a period of time is called?
A. Natural selection
B. Succession
C. Neo-Darwinism
D. None of these
Right Answer: B. Succession
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An example of false fruit is?
A. Tomato
B. Mango
C. Apple
D. Guava
Right Answer: C. Apple
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An algae rich in proteins is?
A. Chlorella
B. Oscillatoria
C. Ulothrix
D. Spirigyra
Right Answer: A. Chlorella
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The gametophyte is called prothallus in?
A. Bryophyte
B. Thallophyta
C. Spermatophyta
D. Pteridophyta
Right Answer: D. Pteridophyta
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Which wood will become useless soon after exposing in the open air?
A. Wet wood
B. Soft wood
C. Hard wood
D. Fibrous wood
Right Answer: A. Wet wood
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Penicillin is extracted from?
A. Lichen
B. Fungus
C. Yeast
D. Algae
Right Answer: B. Fungus
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Which one of the following is also called the ‘power plants’ of the cell?
A. Golgi body
B. Mitochondrion
C. Ribosome
D. Lysosome
Right Answer: B .Mitochondrion
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Drying oil contain a family large proportion of?
A. Proteins
B. Fats
C. Saturated fatty acids
D. Unsaturated fatty acids
Right Answer: D. Unsaturated fatty acids
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Plants release energy during?
A. Respiration
B. Transpiration
C. Germination
D. Photosynthesis
Right Answer: A. Respiration
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Stem is usually?
A. Positively Phototropic
B. Positively Acrotropic
C. Negatively Geotropic
D. Negatively Phototropic
Right Answer: A. Positively Phototropic
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Solitary cymose inflorescence is abserved in?
A. Gardenia
B. Chinarose
C. Rose
D. Tuberose
Right Answer: A. Gardenia
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Ascent of sap in plants takes place through?
A. Xylem
B. Pith
C. Phloem
D. Cambium
Right Answer: A. Xylem
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Hydroponics is a method of culture of plants without using?
A. Soil
B. Light
C. Water
D. Sand
Right Answer: A. Soil
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In a-helix secondary structure, hydrogen bonds lie between amide group of one amino acid and carbonyl group of?
A. 2nd amino acid
B. 3rd amino acid
C. Fourth amino acid
D. Fifth amino acid
Right Answer: C. Fourth amino acid
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Which of the following is not one of the important step in processing tea leaves?
A. Drying
B. Rolling
C. Hard wood
D. Fermenting
Right Answer: D. Fermenting
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Largest number of Eucalyptus species is found in?
A. Australia
B. Pakistan
C. Burma
D. New Zealand
Right Answer: A. Australia
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Plants which flower only once in their life time are known as?
A. Monocarpic
B. Monogeneric
C. Polycarpic
D. Monogamous
Right Answer: A. Monocarpic
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When a single gene has multiple effects,the phenomenon is called?
A. Codominance
B. Epistasis
C. Genostasis
D. Pleiotropy
Right Answer: D. Pleiotropy
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Which of the following is not an insectivorous plant?
A. Cuscuta
B. Utricularia
C. Nepenthes
D. Drosera
Right Answer: A. Cuscuta
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Carrot is orange in colour because?
A. It grows in the soil
B. It contains carotene
C. It is not exposed to sunlight
D. The entire plant is orange in colour
Right Answer: B. It contains carotene
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A medicinal plant is?
A. Cryptostegia grandiflora
B. Cooffea arabica
C. Rauwolffia serpentina
D. Brassica oleracea
Right Answer: C. Rauwolffia serpentina
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Crude oil is sometimes termed sweet because it is?
A. Less alkaline
B. Less acidic
C. Sweet in taste due to dissolved sugar
D. Mildly sweet due to low sulphur content
Right Answer: D. Mildly sweet due to low sulphur content
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Which of the following is the sweetest sugar?
A. Fructose
B. Maltose
C. Sucrose
D. Glucose
Right Answer: A. Fructose
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Onion is a modified form of?
A. Leaf
B. Stem
C. Root
D. None of these
Right Answer: B. Stem
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Water of coconut is?
A. Liquid endocarp
B. Liquid nucellus
C. Liquid mesocarp
D. Degenerated liquid endosperm
Right Answer: D. Degenerated liquid endosperm
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Vegetables and fruit should be a part of our diet because the stimulate?
A. Excretion
B. Respiration
C. Salivation
D. Peristalsis
Right Answer: D. Peristalsis
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Eyes of potato are useful for?
A. Vegetative propagation
B. Nutrition
C. Reproduction
D. Respiration
Right Answer: A. Vegetative propagation
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Green manure is obtained from?
A. Decomposing green legume plants
B. Oil seed husk cakes
C. Fresh animal excreta
D. Domestic vegetable waste
Right Answer: A. Decomposing green legume plants
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Which of the following is an insectivorous plant?
A. Drosera
B. Orobanche
C. Rafflesia
D. Balanophora
Right Answer: A. Drosear
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Which of the plant products is used in leather industry?
A. Resin
B. Latex
C. Tannin
D. Mucilage
Right Answer: C. Tannin
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Bryophytes are often called as amphibian plant because they?
A. Do not have habitat preference
B. Can eat insects
C. Are found both in water on land
D. Appear like frog
Right Answer: C. Are found both in water on land
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The tallest and thickest type of grass is?
A. Fodder
B. Bamboo
C. Lichens
D. Alfalfa
Right Answer: B. Bamboo
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Which components of light are absorbed by chlorophyll?
A. Blue and red
B. Violet and yellow
C. Violet and red
D. Indigo and orange
Right Answer: C. Violet and red
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Which of the following is a biotic component of an ecosystem?
A. Producers
B. Consumers
C. Decomposers
D. All of these
Right Answer: D. All of these
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A plant with 30 cm or more circumference from human chest height is identified as?
A. Tree
B. Shrub
C. Medicinal herbs
D. Herb
Right Answer: C. Medicinal herbs
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Fermentation is a process of decomposition of an organic compound by?
A. Carbanions
B. Free radicals
C. Catalysts
D. Enzymes
Right Answer: D. Enzymes
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Flower less plants are termed as?
A. Cryptogams
B. Thallophytes
C. Bryophytes
D. Phanerogams
Right Answer: A. Cryptogams
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A plant which reproduces by means of spores?
A. Petunia
B. Ferns
C. Coriander
D. Mustard
Right Answer: B. Ferns
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In coriander, the useful parts are?
A. Leaves and dried fruits
B. Roots and leaves
C. Flower and dried fruits
D. Leaves and flower
Right Answer: A. Leaves and dried fruits
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NADH from the Kerbs Cycle is approximately equal to?
A. 2 ATP
B. 3 ATP
C. 4 ATP
D. 6 ATP
Right Answer: B. 3 ATP
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Hashish is obtained from plant. From which part of the plant is it obtained?
A. Leaves
B. Stem
C. Exudate from stem and male inflorescences
D. Exudate from stem and female inflorescences
Right Answer: D. Exudate from stem and female inflorescences
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Clove, the commonly used spice is obtained from the?
A. Fruit
B. Flower bud
C. Stem
D. Root
Right Answer: B. Flower bud
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Which of the following element is obtained from the sea algae?
A. Vanadium
B. Iodine
C. Argon
D. Sulphur
Right Answer: B. Iodine
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Chromosome end is called?
A. Telomere
B. Centromere
C. Satellite
D. Maramere
Right Answer: A. Telomere
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What is a Sponge?
A. A plant
B. A fungus
C. A fossil
D. An animal
Right Answer: D. An animal
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Off all micro-organism, the most adaptable and versatile are?
A. Algae
B. Fungi
C. Bacteria
D. Viruses
Right Answer: D. Viruses
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which of the following food items is rich in iron?
A. Orange
B. Pulses
C. Apple
D. Rice
Right Answer: C. Apple
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Which of the following plant absorbs in red and farred region of light?
A. Cryptochrome
B. Carotenoid
C. Chlorophyll
D. Phytochrome
Right Answer: D. Phytochrome
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What causes common cold?
A. Fungi
B. Protozoa
C. Virus
D. Bacteria
Right Answer: C. Virus
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The presence of air cavities is an adaptation of?
A. Trees
B. Mesophytes
C. Desert plants
D. Water plants
Right Answer: D. Water plants
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Blue-green algae are included in the group?
A. Protozoa
B. Cyanobacteria
C. Eubacteria
D. Fungi
Right Answer: B. Cyanobacteria
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Which one of the following essential elements can land plants normally obtained directly from air?
A. Hydrogen
B. Nitrogen
C. Carbon
D. Phosphorus
Right Answer: B. Nitrogen
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The method not used as a Biological control is?
A. Use of pesticides
B. Use of predators of a pest
C. Use of neem extracts
D. Pheromone traps
Right Answer: A. Use of pesticides
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The protein part of enzyme is?
A. Prosthatic group
B. Apoenzyme
C. Holoenzyme
D. Zymogen
Right Answer: B. Apoenzyme
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Which of the following is a good source of Vitamin ‘E’?
A. Ghee
B. Meat
C. Yellow Yolk
D. Fresh Vegetables
Right Answer: D. Fresh Vegetables
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Saprophytes are the organisms which depend for food on?
A. Inorganic chemical compounds
B. Dead and decaying material
C. Living plants
D. Living animals
Right Answer: B. Dead and decaying material
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Which of the following is considered to be the best cholesterol?
A. HDL
B. VLDL
C. LDL
D. None of these
Right Answer: A. HDL
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The first stable product of photosynthesis is?
A. Sucrose
B. Glucose
C. Starch
D. Phosphoglyceric acid
Right Answer: D. Phosphoglyceric acid
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Root nodules are commonly found in?
A. Aquatic plants
B. Leguminous plants
C. Parasitic plants
D. Epiphytic plants
Right Answer: B. Leguminous plants
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The stage of meosis in which pairing of homologous chromosomes starts is called?
A. Leptotene
B. Zygotene
C. Diplotene
D. None of these
Right Answer: B. Zygotene
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In cactus, the spines are the modified?
A. Leave
B. Stem
C. Bud
D. Stipulse
Right Answer: A. Leaves
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Fist is a first class protein as it contains?
A. Essential amino-acids
B. Non essential amino acids
C. All essential fatty acids
D. No amino acids
Right Answer: A. Essential amnio-acids
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Flowers emit fragrance to?
A. Purify air
B. Drive away flies
C. Attract insects
D. Perform all the above
Right Answer: C. Attract insects
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The term protoplasm was coined by?
A. Robert Hooke
B. Dujardin
C. Robert Brown
D. Purkinje
Right Answer: D. Purkinje
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The curcumin is isolated from?
A. Garlic
B. Turmeric
C. Sunflower
D. Rose flower
Right Answer: B. Turmeric
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The oil seed which is not edible?
A. Groundnut
B. Sesamum
C. Sunflower
D. Cottonseed
Right Answer: D. Cottonseed
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Which one of the following is not a rabi crop?
A. Wheat
B. Mustard
C. Gram
D. Rice
Right Answer: D. Rice
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Cereals are a rich source of?
A. Starch
B. Maltose
C. Glucose
D. Fructose
Right Answer: A. Starch
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The tallest plant in the world is?
A. Pterocarpus
B. Eucalyptus
C. Tectona
D. Polyalthia
Right Answer: B. Eucalyptus
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A molecule in plants comparable to haemoglobin in animals is?
A. Cellulose
B. Chlorophyll
C. Cytochrome
D. Carotene
Right Answer: B. Chlorophyll
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The food conducting tissue of a plant is a?
A. Phloem
B. Xylem
C. Collenchyma
D. Parenchyma
Right Answer: A. Phloem
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The book “Origin of Species” was written by?
A. Linnaeus
B. Lamarck
C. Mendel
D. Darwin
Right Answer: D. Darwin
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In a dihybrid cross, the ratio of F2 generation is?
A. 9:3:3:1
B. 3:1
C. 1:2:1
D. 1:1
Right Answer: A. 9:3:3:1
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Salt-loving plants are known as?
A. Glycophytes
B. Halophytes
C. Xerophytes
D. Mesophytes
Right Answer: B. Halophytes
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