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
From which part of Onion plant we get morphine?
A. Bark
B. Leaves
C. Fruit coat
D. Stem
Right Answer: C. Fruit coat
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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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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 gametophyte is called prothallus in?
A. Bryophyte
B. Thallophyta
C. Spermatophyta
D. Pteridophyta
Right Answer: D. Pteridophyta
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A seed can germinate in the absence of?
A. Adequate light
B. Supply of oxygen
C. Suitable moisture
D. Suitable temperature
Right Answer: A. Adequate light
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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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Mushroom cultivation is not useful in?
A. Recycling of agricultural wastes
B. Biogas production
C. Biological production of crop diseases
D. Preventing cancer
Right Answer: C. Biological production of crop diseases
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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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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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‘Comose’ seeds are seeds with?
A. Bristles
B. Hooks
C. Wings
D. Long hairs
Right Answer: D. Long hairs
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Besides carbohydrates, a major source of energy in our food is constituted by?
A. Vitamins
B. Minerals
C. Fats
D. Proteins
Right Answer: C. Fats
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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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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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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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Which fruit has its seed outside?
A. Groudnut
B. Cashew nut
C. Strawberry
D. Banana
Right Answer: C. Strawberry
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Final electron acceptor in respiration is?
A. Hydrogen
B. Oxygen
C. Cytochrome
D. Dehydrogenase
Right Answer: B. Oxygen
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The plant from which cocoa and chocolate are obtained is a?
A. Herb
B. Shrub
C. Small tree
D. Big tree
Right Answer: C. Small tree
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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 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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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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Which of the following is the sweetest sugar?
A. Fructose
B. Maltose
C. Sucrose
D. Glucose
Right Answer: A. Fructose
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The site of chromosome on which a gene is located is called?
A. Allele
B. Locus
C. Site
D. Trait
Right Answer: B. Locus
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The interaction between alage and fungi to form lichen is called?
A. Parasitism
B. Mutalism
C. Amensalism
D. None of these
Right Answer: B. Mutalism
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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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Entomology is the study of?
A. Fungi
B. Fossils
C. Insects
D. Birds
Right Answer: C. Insects
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Both heterospory and circinate ptyxis occur in?
A. Dryopteris
B. Pinus
C. Cycas
D. Funaria
Right Answer: C. Cycas
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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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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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The reagent used to test the presence of starch in leaves is?
A. Million reagent
B. Fehling’s solution
C. Iodine solution
D. Benedict’s solution
Right Answer: C. Iodine solution
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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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Taxonomy is a science that deals with?
A. Anatomy
B. Classification
C. Economic uses
D. Morphology
Right Answer: B. Classification
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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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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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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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Vegetable oil are converted into solid fat (ghee) by?
A. Hydrogenation
B. Hydrolysis
C. Addition of agar
D. Oxidation using air and a catalyst
Right Answer: A. Hydrogenation
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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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Plants get water through the roots because?
A. Viscosity
B. Elasticity
C. Capillarity
D. Photosynthesis
Right Answer: C. Capillarity
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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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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 food conducting tissue of a plant is a?
A. Phloem
B. Xylem
C. Collenchyma
D. Parenchyma
Right Answer: A. Phloem
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Respiration is?
A. Oxidation
B. Amination
C. Reduction
D. Hydrolysis
Right Answer: A. Oxidation
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Which of the following is not included in the Technology Mission?
A. Vegetables
B. Oil seeds
C. Maize
D. Pulses
Right Answer: A. Vegetables
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Quinine, the commonly used drug to treat malaria, is obtained from a plant. What part of the plant yields the drug?
A. Root
B. Stem bark
C. Leaves
D. Fruits
Right Answer: B. Stem bark
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Between adenine and thymine, there are?
A. Two hydrogen bonds
B. Three hydrogen bonds
C. One hydrogen bond
D. Four hydrogen bonds
Right Answer: A. Two hydrogen bonds
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The actual location or place where an an organism lives is called?
A. Habitat
B. Ecosystem
C. Niche
D. Biome
Right Answer: A. Habitat
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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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The protein part of enzyme is?
A. Prosthatic group
B. Apoenzyme
C. Holoenzyme
D. Zymogen
Right Answer: B. Apoenzyme
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An insect-catching plant is?
A. Smilax
B. Nerium
C. Nepenthes
D. Australian Acacia
Right Answer: C. Nepenthes
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The minimum interval time required between application of stimulus and production of response is?
A. Presentation time
B. Relaxation time
C. Conversion time
D. Reaction time
Right Answer: D. Reaction time
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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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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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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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Lac is produced from?
A. An insect
B. A cat
C. A muskrat
D. A tree
Right Answer: A. An insect
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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 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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Phytochrome is involved in?
A. Phototropism
B. Photorespiration
C. Photoperiodism
D. Geotropism
Right Answer: C. Photoperiodism
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The plants, which grows under water stress conditions of deserts are?
A. Epiphytes
B. Xerophytes
C. Sciophytes
D. Heliophytes
Right Answer: B. Xerophytes
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Bt seed is associated with?
A. Wheat
B. Cotton
C. Rice
D. Oil seeds
Right Answer: B. Cotton
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The chemical used for destroying Fungi in water tanks is?
A. Nitric acid
B. Zinc Sulphate
C. Magnesium Sulphate
D. Copper Sulphate
Right Answer: D. Copper Sulphate
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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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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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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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Insectivorous plants grow in soil deficient in?
A. Water
B. Magnesium
C. Nitrogen
D. Calcium
Right Answer: C. Nitrogen
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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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The cuticle is absent in?
A. Stem
B. Fruit
C. Leaf
D. Root
Right Answer: D. Root
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A plant with fibrous root system is?
A. Mustard
B. Wheat
C. Bean
D. Pea
Right Answer: B. Wheat
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Opium is a plant product obtained from?
A. Roots
B. Stem bark
C. Dried latex
D. Dried leaves
Right Answer: C. Dried latex
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Gasohol is?
A. 20% ethanol + 80% petrol
B. 20% ethanol + 70% petrol + 10% kerosene
C. 10% ethanol + 80% petrol + 10% kerosene
D. 10% ethanol + 90% petrol
Right Answer: A. 20% ethanol + 80% petrol
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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 oil seed which is not edible?
A. Groundnut
B. Sesamum
C. Sunflower
D. Cottonseed
Right Answer: D. Cottonseed
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Which of the following food stuff of the same quantity possesses the highest calorific value?
A. Cheese
B. Sugar
C. Butter
D. Apple
Right Answer: C. Butter
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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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Which of the following is a rich source of Vitamin B-12?
A. Milk
B. Watermelon
C. Apple
D. Cashew nut
Right Answer: D. Cashew nut
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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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In cactus, the spines are the modified?
A. Leave
B. Stem
C. Bud
D. Stipulse
Right Answer: A. Leaves
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The primary source of carbohydrates are?
A. Crude oil
B. Marine animals
C. Coal-tar
D. Plants
Right Answer: D. Plants
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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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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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Plants hormone causing abscission of leaves, senescene, bud dormancy and inhibition of cell division is?
A. IAA
B. Ethylene
C. Cytokinins
D. ABA
Right Answer: D. ABA
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A plant with compound leave is?
A. Hibiscus
B. Peepal
C. Coconut
D. Papaya
Right Answer: C. Coconut
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Fixation of nitrogen in the soil?
A. Virus
B. Fungi
C. Bacteria
D. Protozoa
Right Answer: C. Bacteria
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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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Bio-diesel is mostly produced by?
A. Liliaceae
B. Malvaceae
C. Myrtaceae
D. Euphorbiaaceae
Right Answer: D. Euphorbiaaceae
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Number of ATP molecules produced by each NADPH is?
A. 3
B. 2
C. 1
D. 5
Right Answer: A. 3
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Growing more than one crop on a piece of land during the year is known as?
A. Double cropping
B. Uni cropping
C. Triple cropping
D. Multiple cropping
Right Answer: D. Multiple cropping
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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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The age of trees is determined by its?
A. Height
B. Girth
C. General appearance
D. Growth rings
Right Answer: Growth rings
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In cauliflower plant the the useful part is?
A. Young inflorescence
B. Root
C. Leaves
D. Underground stem
Right Answer: A. Young inflorescence
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Chlorosis in plants occur due to?
A. High sunlight intensity
B. Low sunlight intensity
C. Absorption of yellow pigment from the soil
D. Deficiency of Mg and Fe in the soil
Right Answer: D. Deficiency of Mg and Fe in the soil
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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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Leech is an ectoparasite on cattle, which is?
A. Herbivorous
B. Omnivorous
C. Carnivorous
D. Sanguivorous
Right Answer: A. Herbivorous
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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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The conversion of pyruvate into acetyl C0.A is called?
A. Glycolysis
B. Fermentation
C. Oxidative carboxylation
D. B-oxidation
Right Answer: A. Glycolysis
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Syconus fruit develops from?
A. catkin
B. verticillaster
C. hypanthodium
D. cyathium
Right Answer: C. hypanthodium
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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 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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The smallest flowering plant is?
A. Lemma
B. Ficus
C. Azolla
D. Wolffia
Right Answer: D. Wolffia
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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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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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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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