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
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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An algae rich in proteins is?
A. Chlorella
B. Oscillatoria
C. Ulothrix
D. Spirigyra
Right Answer: A. Chlorella
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The floral part that produces pollen grains is?
A. Sepal
B. Petal
C. Anther
D. Ovary
Right Answer: C. Anther
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Transpiration through leaves is called as?
A. Foliar transpiration
B. Cuticular transpiration
C. Lenticular transpiration
D. Cauline transpiration
Right Answer: A. Foliar transpiration
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Penicillin is extracted from?
A. Lichen
B. Fungus
C. Yeast
D. Algae
Right Answer: B. Fungus
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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 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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Insectivorous plants grow in soil deficient in?
A. Water
B. Magnesium
C. Nitrogen
D. Calcium
Right Answer: C. Nitrogen
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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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Two richest known sources of edible protein are?
A. Soyabean and groundnut
B. Meat and eggs
C. Milk and leafy vegetables
D. Some algae and other micro-organism
Right Answer: B. Meat and eggs
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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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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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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 not an insectivorous plant?
A. Cuscuta
B. Utricularia
C. Nepenthes
D. Drosera
Right Answer: A. Cuscuta
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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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The term of ‘GM food’ refers to the food?
A. That is genetically modified
B. That grows under geographical modification
C. With greater glucose metabolism
D. That grows under genetic measures
Right Answer: A. That is genetically modified
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The plants which grow well, only in light are known as?
A. Sciophilous
B. Xerophytes
C. Heliophytes
D. Epiphytes
Right Answer: C. Heliophytes
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Ginger is a stem and not a root because?
A. It lacks chlorophyll
B. It stores food material
C. It has notes and internodes
D. It grows horizontally in the soil
Right Answer: C. It has notes and internodes
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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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Bakeries use yeast in bread-making because it?
A. Enhances the food values
B. Makes the bread hard
C. Makes the bread soft and spongy
D. Keeps the bread fresh
Right Answer: C. Makes the bread soft and spongy
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Which organ of the body never rests?
A. Liver
B. Eyes
C. Pancreas
D. Heart
Right Answer: D. Heart
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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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The red, orange and yellow colours of leaf is due to?
A. Aldehydes
B. Tannis
C. Lignins
D. Carotenoid
Right Answer: D. Carotenoid
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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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The gametophyte is called prothallus in?
A. Bryophyte
B. Thallophyta
C. Spermatophyta
D. Pteridophyta
Right Answer: D. Pteridophyta
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The vitamin most readily destroyed by heat is?
A. Tocopherol
B. Riboflavin
C. Thiamine
D. Ascorbic acid
Right Answer: D. Ascorbic acid
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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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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 included in the Technology Mission?
A. Pulses
B. Vegetables
C. Oil seeds
D. Maize
Right Answer: B. Vegetables
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In a food chain, the solar energy utilized by plants is only?
A. 0.01%
B. 0.1%
C. 1%
D. 10%
Right Answer: B. 0.1%
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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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Which of these is a micronutrient for plants?
A. Nitrogen
B. Carbon
C. Oxygen
D. Boron
Right Answer: D. Boron
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The following sugar gives energy most readily?
A. Maltose
B. Glucose
C. Lactose
D. Cellulose
Right Answer: B. Glucose
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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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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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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 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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Syconus fruit develops from?
A. catkin
B. verticillaster
C. hypanthodium
D. cyathium
Right Answer: C. hypanthodium
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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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Onion is a modified form of?
A. Leaf
B. Stem
C. Root
D. None of these
Right Answer: B. Stem
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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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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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The protein part of enzyme is?
A. Prosthatic group
B. Apoenzyme
C. Holoenzyme
D. Zymogen
Right Answer: B. Apoenzyme
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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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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 these is a modified underground stem?
A. Potato
B. Sweet-potato
C. Carrot
D. Radish
Right Answer: A. Potato
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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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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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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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In cactus, the spines are the modified?
A. Leave
B. Stem
C. Bud
D. Stipulse
Right Answer: A. Leaves
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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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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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Rhizobium is a kind of?
A. Parasitic bacteria
B. Saprophytic bacteria
C. Photosynthesis bacteria
D. Symbiotic bacteria
Right Answer: D. Symbiotic bacteria
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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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Water in plants is trans-ported by?
A. Xylem
B. Epidermis
C. Phloem
D. Cambium
Right Answer: A. Xylem
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The most abundant enzyme in the living world is?
A. DNAse
B. Rubisco
C. Zymase
D. Invertase
Right Answer: B. Rubisco
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Which of the following is present in chlorophyll molecule?
A. Fe
B. K
C. Mn
D. Mg
Right Answer: D. Mg
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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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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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Vascular cryptogams are?
A. Bryophytes
B. Spermatophytes
C. Pteridophyte
D. None of these
Right Answer: C. Pteridophyte
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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 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 best example of Polyembryony is?
A. Citrus
B. Cocoa
C. Cycas
D. Capsicum
Right Answer: A. Citrus
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The loading of phloem during translocation means?
A. elongation of phloem cells
B. Separation of phloem parenchyma
C. Strengthening of phloem fibers
D. Pouring of sugars into phloem
Right Answer: D. Pouring of sugars into phloem
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In C3 plants first stable product photosynthesis during dark reaction is?
A. PGA
B. Pyruvic acid
C. RuBP
D. Oxalo acetic acid
Right Answer: A. PGA
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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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Which fruit has its seed outside?
A. Groudnut
B. Cashew nut
C. Strawberry
D. Banana
Right Answer: C. Strawberry
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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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From the bark of which plant is quinine extracted?
A. Cedar
B. Neem
C. Cinchona
D. Eucalyptus
Right Answer: C. Cinchona
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In maize plant, the CO2fixation mechanism is called?
A. C3 pathway
B. C4 pathway
C. CAM pathway
D. None of these
Right Answer: B. C4 pathway
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Food crops comprise?
A. Jute, Cotton, Chillies
B. Linseed, Castor, Turmeric
C. Foodgrains, Pulses, Edible oil seed
D. Cooton, Tobacco, Sugarcane
Right Answer: C. Foodgrains, Pulses, Edible oil seed
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The part of the flower that can carry out photosynthesis is?
A. Gynoecium
B. Corolla
C. Calyx
D. Androecium
Right Answer: C. Calyx
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The element which is required by the plant in large quantity?
A. Nitrogen
B. Calcium
C. Sulphur
D. Phosphorus
Right Answer: A. Nitrogen
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Pesticides comprise?
A. Herbicides and insecticides
B. Insecticides
C. Insecticides, nematecides and rodenticides
D. Fingicides, herbicides, insecticides, nematecides and rodenticides
Right Answer: D. Fingicides, herbicides, insecticides, nematecides and rodenticides
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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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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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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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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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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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What is the impact of advancing glaciers on the rings of tree?
A. They become concentric
B. Their shape is distorted
C. They become widely spaced
D. They are immune to this change
Right Answer: B. Their shape is distorted
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Which of the following is the best source of Iodine?
A. Radish
B. Beans
C. Wheat
D. Algae
Right Answer: B. Beans
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Which of the biomes has been increased in area by human activities?
A. Savanna
B. Grassland
C. Desert
D. Coniferous forest
Right Answer: C. Desert
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From which part of a plant is turmeric obtained?
A. Fruit
B. Stem
C. Flower
D. Root
Right Answer: B. Stem
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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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In a plant, the xylem tissue conducts?
A. Food
B. Water
C. All of the above
D. None of the above
Right Answer: B. Water
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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 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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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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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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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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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 is a Sponge?
A. A plant
B. A fungus
C. A fossil
D. An animal
Right Answer: D. An animal
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Production of alcohol from organic compounds by microorganism is known as?
A. Anaerobic respiration
B. Aerobic respiration
C. Combustion
D. Fermentation
Right Answer: D. Fermentation
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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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Father of Indian green revolution is?
A. B.P. Pal
B. Norman Borlaug
C. M.S. Swaminathan
D. K.C. Mehta
Right Answer: C. M.S. Swaminathan
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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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An insect-catching plant is?
A. Smilax
B. Nerium
C. Nepenthes
D. Australian Acacia
Right Answer: C. Nepenthes
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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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With the addition of solution to a liquid system, the water potential of the system?
A. Increases
B. Decreases
C. Remains stable
D. Remains variable
Right Answer: B. Decreases
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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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