The science dealing with principles and practices of field crop production is called:
A
Horticulture
B
Forestry
C
Entomology
D
Agronomy
Question 3Single Answer
The branch of agriculture concerned with fruit crops is:
A
Olericulture
B
Agronomy
C
Floriculture
D
Pomology
Question 4Single Answer
Olericulture deals with the production of:
A
egetables
B
Fruits
C
Flowers
D
Forest trees
Question 5Single Answer
Floriculture is mainly concerned with:
A
Flower production
B
Pulse production
C
Cereal production
D
Oilseed production
Question 6Single Answer
The scientific study of soils in relation to crop production is known as:
A
Pedology
B
Meteorology
C
Ecology
D
Edaphology
Question 7Single Answer
Which branch of agricultural science deals with insects affecting crops?
A
Agronomy
B
Plant pathology
C
Agricultural entomology
D
Genetics
Question 8Single Answer
Plant pathology deals primarily with:
A
Crop diseases
B
Crop irrigation
C
Farm machinery
D
Soil fertility
Question 9Single Answer
Genetics and plant breeding primarily aim to:
A
Deelop improed crop arieties
B
Increase soil erosion
C
Increase weed population
D
Reduce seed germination
Question 10Single Answer
Which of the following is a cereal crop?
A
Rice
B
Groundnut
C
Blackgram
D
Sesame
Question 11Single Answer
Which is classified as a pulse crop?
A
Maize
B
Greengram
C
Sorghum
D
Sunflower
Question 12Single Answer
Groundnut is primarily classified as a/an:
A
Oilseed crop
B
Fibre crop
C
Sugar crop
D
Fodder tree
Question 13Single Answer
Cotton is mainly grown as a:
A
Green manure crop
B
Beerage crop
C
Pulse crop
D
Fibre crop
Question 14Single Answer
Sugarcane is classified as a:
A
Pulse crop
B
Commercial crop
C
Millet crop
D
Green manure crop
Question 15Single Answer
Rice is especially important in Tamil Nadu as a major:
A
Fibre crop
B
Oilseed crop
C
Food grain crop
D
Plantation crop
Question 16Single Answer
Which millet is commonly known as pearl millet?
A
Ragi
B
aragu
C
Samai
D
Cumbu
Question 17Single Answer
Finger millet is commonly called:
A
Thinai
B
Cumbu
C
Cholam
D
Ragi
Question 18Single Answer
Sorghum is commonly known in Tamil Nadu as:
A
Samai
B
Cumbu
C
aragu
D
Cholam
Question 19Single Answer
Which of the following is a major pulse grown in Tamil Nadu?
A
Blackgram
B
Tea
C
Coffee
D
Rubber
Question 20Single Answer
Gingelly is another name for:
A
Mustard
B
Linseed
C
Castor
D
Sesame
Question 21Single Answer
Which of the following is an important oilseed crop of Tamil Nadu?
A
Groundnut
B
Rice
C
Blackgram
D
Maize
Question 22Single Answer
The ultimate economic product harested from a crop is generally called:
A
Yield
B
Input
C
Seed rate
D
Tilth
Question 23Single Answer
Crop production is influenced by:
A
Climatic, soil, biological and management factors
B
Soil factors only
C
Crop and management factors only
D
Climatic factors only
Question 24Single Answer
Which of the following is a climatic factor affecting crop production?
A
Soil texture
B
Rainfall
C
Seed rate
D
Plant spacing
Question 25Single Answer
Which of the following is an edaphic factor?
A
Temperature
B
Relatie humidity
C
Wind speed
D
Soil pH
Question 26Single Answer
Solar radiation affects crop production mainly through:
A
Seed grading
B
Soil erosion only
C
Photosynthesis
D
Farm mechanization
Question 27Single Answer
The temperature below which the growth of a crop practically stops is called:
A
Optimum temperature
B
Maximum temperature
C
Base temperature
D
Inersion temperature
Question 28Single Answer
Day length influences flowering through a phenomenon called:
A
Photoperiodism
B
ernalization
C
Transpiration
D
Respiration
Question 29Single Answer
Exposure of plants or seeds to low temperature to induce flowering is called:
A
Scarification
B
Solarization
C
Stratification
D
ernalization
Question 30Single Answer
Which factor generally determines the choice of crops in rainfed areas?
A
Annual rainfall and its distribution
B
Colour of farm machinery
C
Number of farm buildings
D
Seed storage container
Question 31Single Answer
A farming system refers to:
A
Cultiation of a single crop only
B
Forest management only
C
Integration of farm enterprises and resources
D
Irrigation engineering only
Question 32Single Answer
The primary objectie of an Integrated Farming System is to:
A
Increase dependence on one enterprise
B
Increase farm waste
C
Eliminate liestock
D
Maximize resource recycling and farm income
Question 33Single Answer
Integrated Farming System is commonly abbreiated as:
A
IPM
B
IWM
C
INM
D
IFS
Question 34Single Answer
Which is a suitable component of an Integrated Farming System?
A
Crop production
B
All of the aboe
C
Poultry
D
Dairy
Question 35Single Answer
Which combination represents an Integrated Farming System?
A
Crops + dairy + poultry + fishery
B
Rice alone
C
Cotton alone
D
Forest plantation alone
Question 36Single Answer
One major benefit of IFS is:
A
Increased farm waste
B
Reduction in employment
C
Complete dependence on purchased inputs
D
Recycling of farm by-products
Question 37Single Answer
Crop residues in an IFS can be efficiently used as:
A
Liestock feed
B
Industrial waste only
C
Plastic material
D
Herbicide
Question 38Single Answer
Liestock dung can be utilized in an Integrated Farming System for:
A
Increasing erosion
B
Compost and biogas production
C
Increasing salinity
D
Crop destruction
Question 39Single Answer
Biogas slurry is useful as:
A
Herbicide
B
Organic manure
C
Insecticide
D
Seed
Question 40Single Answer
Diersification of farm enterprises mainly helps to:
A
Increase production risk
B
Eliminate employment
C
Stabilize farm income
D
Increase dependence on rainfall
Question 41Single Answer
Soil may be defined as:
A
Only weathered rock
B
Only mineral particles
C
Only organic matter
D
A natural body supporting plant growth
Question 42Single Answer
The four major components of an ideal agricultural soil are:
A
Clay, stones, fertilizers and seeds
B
Sand, fertilizer, roots and insects
C
Minerals, organic matter, water and air
D
Water, pesticides, roots and rocks
Question 43Single Answer
Mineral matter constitutes approximately what proportion of an ideal mineral soil by olume?
A
45%
B
25%
C
5%
D
75%
Question 44Single Answer
Soil organic matter in an ideal mineral soil is approximately:
A
25%
B
5%
C
45%
D
75%
Question 45Single Answer
Soil water and soil air together normally occupy the:
A
Mineral fraction
B
Organic fraction
C
Pore space
D
Clay lattice
Question 46Single Answer
The solid mineral fraction of soil originates mainly from:
A
Parent material
B
Rainwater
C
Fertilizers
D
Atmospheric nitrogen
Question 47Single Answer
The process by which rocks are broken down into soil-forming materials is called:
A
Leaching
B
Weathering
C
Transpiration
D
Fixation
Question 48Single Answer
Physical weathering primarily inoles:
A
Chemical decomposition only
B
Breakdown of rock without chemical change
C
Nitrogen fixation
D
Organic matter mineralization
Question 49Single Answer
Chemical weathering includes:
A
Hydrolysis
B
Oxidation
C
Carbonation
D
All of the aboe
Question 50Single Answer
Soil formed at the place where the parent rock occurs is called:
A
Alluial soil
B
Residual soil
C
Colluial soil
D
Aeolian soil
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Concerned Subject (Agriculture)
Question 51Single Answer
The most extensie major soil group in Tamil Nadu is:
A
Laterite soil
B
Black soil
C
Red soil
D
Peaty soil
Question 52Single Answer
According to TNAU information, red soils occupy approximately what percentage of Tamil Nadu?
A
12%
B
30%
C
80%
D
62%
Question 53Single Answer
Black soils occupy approximately what proportion of Tamil Nadu according to TNAU?
A
3%
B
7%
C
12%
D
30%
Question 54Single Answer
Laterite soils occupy approximately what proportion of Tamil Nadu?
A
62%
B
12%
C
30%
D
3%
Question 55Single Answer
Coastal soils occupy approximately what proportion of Tamil Nadu?
A
1%
B
3%
C
7%
D
18%
Question 56Single Answer
Black cotton soils are generally classified under the soil order:
A
Entisols
B
ertisols
C
Ultisols
D
Histosols
Question 57Single Answer
Deep red soils of Tamil Nadu are commonly associated with:
A
Alfisols
B
Histosols
C
Gelisols
D
Aridisols only
Question 58Single Answer
Highly weathered lateritic soils are classified mainly under:
A
ertisols
B
Ultisols
C
Mollisols
D
Histosols
Question 59Single Answer
Young rier alluium is commonly classified under:
A
Entisols
B
ertisols
C
Ultisols
D
Mollisols
Question 60Single Answer
Tamil Nadu soils are represented by how many USDA soil orders according to TNAU?
A
Six
B
Fie
C
Four
D
Eight
Question 61Single Answer
The soil order occupying the largest proportion of Tamil Nadu is:
A
ertisols
B
Ultisols
C
Mollisols
D
Inceptisols
Question 62Single Answer
Lateritic soils are characteristically found in the:
A
Ramanathapuram coast only
B
Cauery delta only
C
Nilgiris
D
Chennai city only
Question 63Single Answer
The Cauery Delta is characterized mainly by:
A
Peat soils
B
Desert soils
C
Alluial and red loamy soils
D
Tundra soils
Question 64Single Answer
Coastal alluial soils occur prominently in Tamil Nadu's:
A
Interior rocky hills only
B
High mountain peaks only
C
Western dry plateau only
D
Coastal districts
Question 65Single Answer
Black soils generally hae high content of:
A
Expanding clay minerals
B
Quartz sand only
C
Organic peat
D
Calcium-free silica only
Question 66Single Answer
Soil texture refers to the relatie proportion of:
A
Nitrogen, phosphorus and potassium
B
Water, air and organic matter
C
Roots, stones and microbes
D
Sand, silt and clay
Question 67Single Answer
The largest of the three primary soil separates is:
A
Clay
B
Silt
C
Sand
D
Humus
Question 68Single Answer
The smallest soil separate is:
A
Sand
B
Silt
C
Clay
D
Grael
Question 69Single Answer
Soil particles between sand and clay in size are called:
A
Colloids only
B
Grael
C
Humus
D
Silt
Question 70Single Answer
A soil containing balanced proportions of sand, silt and clay is generally called:
A
Loam
B
Grael
C
Peat
D
Laterite
Question 71Single Answer
Horticulture includes the cultiation of:
A
Forest trees only
B
Cereals only
C
Pulses only
D
Fruits, egetables, flowers and plantation crops
Question 72Single Answer
According to Tamil Nadu's 2023–24 horticulture statistics, the largest horticultural crop group by area was:
A
Fruits
B
egetables
C
Plantation crops
D
Flowers
Question 73Single Answer
egetatie propagation is preferred in many fruit crops mainly to:
A
Increase genetic ariation
B
Maintain true-to-type characters
C
Delay bearing
D
Produce only rootstocks
Question 74Single Answer
Mango is commonly commercially propagated through:
A
Grafting
B
Seed only
C
Rhizomes
D
Runners
Question 75Single Answer
Softwood grafting is commonly practiced in:
A
Mango
B
Banana
C
Pineapple
D
Papaya
Question 76Single Answer
Banana is commonly propagated through:
A
Grafting
B
True seed
C
Suckers or tissue-culture plants
D
Budding
Question 77Single Answer
Sword suckers are preferred for banana planting because they generally hae:
A
Stronger rhizomes and better establishment
B
Broad weak leaes and poor roots
C
No underground stem
D
No growing point
Question 78Single Answer
Grapes are commonly propagated by:
A
Hardwood cuttings
B
Suckers only
C
Runners
D
Seeds only
Question 79Single Answer
Papaya is commercially propagated mainly by:
A
Bulbs
B
Grafting
C
Layering
D
Seeds
Question 80Single Answer
Sapota is commonly propagated by:
A
Bulbs
B
Seed for commercial orchards only
C
Rhizomes
D
Grafting
Question 81Single Answer
Field crops are primarily grown on:
A
Greenhouses only
B
Small pots only
C
Large areas under field conditions
D
Laboratories only
Question 82Single Answer
Which of the following is classified as a cereal crop?
A
Cotton
B
Groundnut
C
Rice
D
Redgram
Question 83Single Answer
Which of the following is a millet?
A
Blackgram
B
Pearl millet
C
Sunflower
D
Cotton
Question 84Single Answer
Blackgram is classified as a:
A
Sugar crop
B
Fibre crop
C
Pulse crop
D
Starch crop
Question 85Single Answer
Groundnut is primarily classified as a:
A
Oilseed crop
B
Fibre crop
C
Cereal crop
D
Sugar crop
Question 86Single Answer
Cotton is an important:
A
Starch crop
B
Pulse crop
C
Millet
D
Fibre crop
Question 87Single Answer
Sugarcane is primarily a:
A
Pulse crop
B
Oilseed crop
C
Sugar crop
D
Fibre crop
Question 88Single Answer
Tapioca is mainly cultiated as a:
A
Starch crop
B
Oilseed crop
C
Fibre crop
D
Pulse crop
Question 89Single Answer
Agricultural crops are classified according to:
A
Economic use
B
Botanical relationship
C
All of the aboe
D
Season
Question 90Single Answer
An industrial crop is one mainly used as:
A
A weed
B
A garden ornamental only
C
A forest crop only
D
Raw material for industries
Question 91Single Answer
The major economic component of cereal grains is:
A
Carbohydrate
B
Oil
C
Fibre
D
Latex
Question 92Single Answer
Rice grain is rich primarily in:
A
Fibre
B
Oil
C
Starch
D
Latex
Question 93Single Answer
Pulses are alued mainly for their high:
A
Fibre lint
B
Sugar content
C
Protein content
D
Latex content
Question 94Single Answer
Groundnut seed is rich mainly in:
A
Sugar only
B
Starch only
C
Fibre only
D
Oil and protein
Question 95Single Answer
Cotton lint consists predominantly of:
A
Oil
B
Starch
C
Protein
D
Cellulose
Question 96Single Answer
Sugarcane stores its major economic carbohydrate as:
A
Starch
B
Sucrose
C
Cellulose
D
Glucose only
Question 97Single Answer
Tapioca roots are rich in:
A
Fibre lint
B
Protein
C
Oil
D
Starch
Question 98Single Answer
The principal economic part of sunflower is the:
A
Stem
B
Root
C
Seed
D
Leaf
Question 99Single Answer
The principal economic part of cotton is the:
A
Root
B
Fibre surrounding the seed
C
Flower bud
D
Leaf
Question 100Single Answer
The major economic part of sugarcane is the:
A
Stem
B
Root
C
Leaf
D
Flower
Question 101Single Answer
Insects belong to the phylum:
A
Arthropoda
B
Annelida
C
Mollusca
D
Nematoda
Question 102Single Answer
The body of a typical insect is diided into:
A
Cephalothorax and abdomen
B
Head, thorax and abdomen
C
Head and trunk only
D
Thorax and tail
Question 103Single Answer
Adult insects normally possess:
A
Three pairs of legs
B
Two pairs of legs
C
Four pairs of legs
D
Fie pairs of legs
Question 104Single Answer
Insect legs arise from the:
A
Thorax
B
Head
C
Abdomen
D
Antennae
Question 105Single Answer
The number of thoracic segments in insects is:
A
Two
B
Fie
C
Four
D
Three
Question 106Single Answer
The three thoracic segments are prothorax, mesothorax and:
A
Hypothorax
B
Epithorax
C
Metathorax
D
Mesosoma
Question 107Single Answer
In most insects, wings are attached to the:
A
Head
B
Prothorax only
C
Abdomen only
D
Mesothorax and metathorax
Question 108Single Answer
Insects normally possess how many pairs of antennae?
A
Three
B
Two
C
One
D
Four
Question 109Single Answer
The outer body coering of insects is mainly composed of:
A
Cellulose
B
Chitin
C
Keratin
D
Lignin
Question 110Single Answer
The insect circulatory system is generally:
A
Open
B
Closed
C
Double
D
Absent
Question 111Single Answer
The respiratory system of insects consists mainly of:
A
Gills
B
Nephridia
C
Lungs
D
Tracheae
Question 112Single Answer
External openings of the insect respiratory system are called:
A
Stomata
B
Ocelli
C
Cerci
D
Spiracles
Question 113Single Answer
The excretory organs of insects are:
A
Kidneys
B
Nephridia
C
Malpighian tubules
D
Flame cells
Question 114Single Answer
Compound eyes are primarily associated with:
A
Taste
B
Smell
C
ision
D
Hearing only
Question 115Single Answer
Simple eyes in insects are called:
A
Tarsi
B
Spiracles
C
Ocelli
D
Palpi
Question 116Single Answer
Chewing mouthparts are typical of:
A
Grasshoppers
B
Mosquitoes
C
Aphids
D
Butterflies
Question 117Single Answer
Piercing and sucking mouthparts are typical of:
A
Beetles
B
Aphids
C
Grasshoppers
D
Caterpillars
Question 118Single Answer
Siphoning mouthparts are characteristic of:
A
Butterflies
B
Beetles
C
Termites
D
Grasshoppers
Question 119Single Answer
Houseflies possess mainly:
A
Rasping mouthparts only
B
Chewing mouthparts
C
Siphoning mouthparts
D
Sponging mouthparts
Question 120Single Answer
Thrips possess:
A
Siphoning mouthparts
B
Chewing mouthparts
C
Rasping-sucking mouthparts
D
Sponging mouthparts
Question 121Single Answer
Complete metamorphosis includes:
A
Egg–nymph–adult
B
Egg–pupa–adult
C
Egg–lara–pupa–adult
D
Egg–adult only
Question 122Single Answer
Incomplete metamorphosis includes:
A
Egg–nymph–adult
B
Egg–lara–pupa–adult
C
Egg–pupa–adult
D
Egg–lara–adult
Question 123Single Answer
Butterfly deelopment is:
A
Ametabolous
B
Hemimetabolous
C
Holometabolous
D
Direct only
Question 124Single Answer
Grasshopper deelopment is:
A
Pupation-based only
B
Complete metamorphosis
C
No metamorphosis
D
Incomplete metamorphosis
Question 125Single Answer
Economically, insects may be classified as:
A
Aquatic and terrestrial only
B
Harmful and beneficial
C
Winged and wingless only
D
Large and small only
Question 126Single Answer
An insect causing economic damage to crops is called a:
A
Pollinator
B
Predator
C
Pest
D
Parasitoid
Question 127Single Answer
An insect feeding on another insect is often called a:
A
Pathogen
B
Host
C
Weed
D
Predator
Question 128Single Answer
An organism that deelops on or in one host and eentually kills it is a:
A
Predator
B
Parasitoid
C
Saprophyte
D
Pollinator
Question 129Single Answer
Ladybird beetles are important predators of:
A
Termites only
B
Stem borers
C
Aphids
D
White grubs only
Question 130Single Answer
Green lacewing larae are useful predators of:
A
Nematodes only
B
Rats
C
Aphids and other soft-bodied insects
D
Snails only
Question 131Single Answer
Liestock contributes to the Indian rural economy mainly through:
A
Mineral production only
B
Milk, meat, eggs, manure and draught power
C
Forest production only
D
Fisheries only
Question 132Single Answer
Liestock is particularly important to small and marginal farmers because it proides:
A
Only crop residues
B
Only seasonal income once in ten years
C
No employment
D
Regular supplementary income
Question 133Single Answer
Poultry farming contributes primarily through production of:
A
Honey and silk
B
Milk and wool
C
Eggs and meat
D
Draught power
Question 134Single Answer
Liestock manure is useful in agriculture mainly as a source of:
A
Insecticides only
B
Herbicides
C
Organic matter and plant nutrients
D
Irrigation water
Question 135Single Answer
In an extensie liestock production system, animals generally:
A
Are maintained only indoors
B
Remain continuously in cages
C
Receie no exercise
D
Graze oer relatiely large areas
Question 136Single Answer
An intensie liestock production system inoles:
A
No housing
B
Complete dependence on open grazing
C
Greater confinement and controlled feeding
D
No management
Question 137Single Answer
A semi-intensie system combines:
A
No feeding management
B
Only complete confinement
C
Only free-range grazing
D
Grazing with supplementary stall feeding
Question 138Single Answer
Mixed farming refers to integration of:
A
Poultry and fisheries only
B
Crop and liestock enterprises
C
Forestry alone
D
Dairy alone
Question 139Single Answer
Integrated farming systems aim mainly to:
A
Eliminate liestock
B
Increase farm waste
C
Recycle resources among farm enterprises
D
Depend on one enterprise only
Question 140Single Answer
Crop residues in an integrated farm may be used as:
A
Liestock feed
B
Pesticides
C
eterinary accines
D
Building cement
Question 141Single Answer
A threshing floor is mainly used for:
A
Irrigating crops
B
Separating grain from harested crop
C
Spraying pesticides
D
Storing fertilizers
Question 142Single Answer
A drying floor is mainly used for:
A
Mixing fertilizers
B
Increasing grain moisture
C
Reducing moisture content of produce
D
Ploughing soil
Question 143Single Answer
A good threshing floor should preferably be:
A
Waterlogged
B
Loose and muddy
C
Clean, hard and leel
D
Highly sloping
Question 144Single Answer
The main purpose of threshing is to:
A
Reduce soil compaction
B
Separate grains from earheads or pods
C
Apply fertilizer
D
Sow seed
Question 145Single Answer
Winnowing is used mainly to separate grain from:
A
Starch
B
Moisture
C
Oil
D
Chaff and light impurities
Question 146Single Answer
I.c) engine stands for:
A
Internal Combustion engine
B
Internal Cooling engine
C
Industrial Combustion engine
D
Integrated Compression engine
Question 147Single Answer
In an internal combustion engine, fuel burns:
A
Outside the engine completely
B
Inside the engine cylinder
C
Inside the radiator
D
Inside the fuel tank
Question 148Single Answer
The two common types of I.c) engines are:
A
Spark ignition and compression ignition
B
Hydraulic and pneumatic
C
Rotary and reciprocating only
D
Electric and solar only
Question 149Single Answer
A petrol engine generally works on:
A
Spark ignition
B
Compression ignition
C
Steam ignition
D
Hydraulic ignition
Question 150Single Answer
A diesel engine generally works on:
A
Compression ignition
B
Spark ignition
C
Battery ignition only
D
External combustion
Question 151Single Answer
Biological control means the use of:
A
Liing organisms to suppress pests and diseases
B
Only synthetic pesticides
C
Only fertilizers
D
Only mechanical traps
Question 152Single Answer
Major categories of biological control agents include:
A
Seeds, fertilizers and manures
B
Herbicides, fungicides and fertilizers
C
Tractors, pumps and sprayers
D
Predators, parasitoids and pathogens
Question 153Single Answer
A predator generally:
A
Feeds only on plants
B
Deelops only inside one host
C
Neer kills its prey
D
Consumes seeral prey during its life
Question 154Single Answer
A parasitoid generally:
A
Neer requires a host
B
Consumes many prey eery day
C
Deelops on or inside a host and finally kills it
D
Feeds only on nectar
Question 155Single Answer
Trichogramma is mainly an:
A
Fungal pathogen
B
Predator
C
Egg parasitoid
D
Bacterial pathogen
Question 156Single Answer
Chrysoperla is commonly used as a:
A
Biofertilizer
B
Parasitoid
C
Fungicide
D
Predator
Question 157Single Answer
Coccinellid beetles are important predators of:
A
White grubs only
B
Stem borers only
C
Aphids and mealybugs
D
Nematodes only
Question 158Single Answer
NP is classified as a:
A
Predator
B
Bacterial biofertilizer
C
Fungal biofertilizer
D
iral biocontrol agent
Question 159Single Answer
Trichoderma iride is mainly used against:
A
Aphids only
B
Rodents
C
Birds
D
Plant pathogenic fungi
Question 160Single Answer
Pseudomonas fluorescens is used mainly as a:
A
Bacterial biocontrol agent
B
iral insecticide
C
Rodenticide
D
Herbicide
Question 161Single Answer
A bio-control laboratory requires strict attention to:
A
Field irrigation only
B
Soil tillage
C
Aseptic techniques
D
Seed haresting only
Question 162Single Answer
An autoclae is used in a biocontrol laboratory mainly for:
A
Sterilization
B
Refrigeration
C
Drying insects
D
Measuring pH only
Question 163Single Answer
A laminar airflow chamber proides:
A
Compost aeration
B
High field humidity
C
Crop irrigation
D
A clean working enironment
Question 164Single Answer
An incubator is used mainly to maintain:
A
Irrigation pressure
B
Field moisture
C
Soil pH
D
Controlled temperature
Question 165Single Answer
A refrigerator in a biological laboratory is useful for:
A
Short-term storage of cultures and materials
B
Soil sterilization
C
Grinding media
D
Measuring insect weight
Question 166Single Answer
A microscope is essential for:
A
Measuring rainfall
B
Obsering microorganisms and small biological structures
C
Measuring tractor power
D
Drying cultures
Question 167Single Answer
Culture media are prepared mainly to:
A
Store pesticides
B
Kill all microorganisms
C
Dry insects
D
Grow microorganisms
Question 168Single Answer
Maintaining pure cultures is important to aoid:
A
Photosynthesis
B
Germination
C
Contamination
D
Pollination
Question 169Single Answer
Quality control in a bio-control laboratory ensures:
A
Lowest organism population
B
Maximum contamination
C
iability, purity and effectieness of products
D
No record keeping
Question 170Single Answer
Record keeping in a biocontrol laboratory is important for:
