- The study of effects of toxic chemical on ecosystem and biosphere level is:
- Ecotoxicology
- Genotoxicology
- Immunotoxicology
- None of these
- Ecotoxicology was coined by:
- Margoshes
- Vallee
- Rene Truhaut
- Both a and b
- Ecotoxicology was coined in;
- 1969
- 1960
- 1990
- 1987
- Common environmental toxicants are;
- PCBs
- Pesticides
- Phthalates
- All of the above
- PCBs are found in:
- Plastic bottles
- Coolants
- Water pipes
- Household cleaner
- Pesticides are used for:
- Killing the pests
- Prevention from pests
- Both a and b
- None of thes
- Which toxicant is found in vegetable and meat:
- Mold
- Pesticides
- Dioxins
- Asbestos
- Commonly used pesticide is:
- Methyl parathion
- Mycotoxin
- Chlorine
- Asbestos
- Volatile organic compounds are found in:
- Hydraulic fluid
- Vegetables
- Heating ducts
- Sewage system
- From combustion process which toxin is produce:
- Asbestos
- Dioxins
- Mold
- Phthalates
- Heavy metals include:
- Mercury
- Lead
- Arsenic
- All of the above
- Heavy metals are found in:
- Fish
- Pesticides
- Both a and b
- None of these
- Chlorine is commonly found in:
- Hair spray
- Perfumes
- Household cleaners
- Both a and b
- Animals can go to the brink of extinction because of the:
- Food chain
- Wood
- Toxic substance
- Due to pollution
- Plants can absorb toxin through their:
- Shoot
- Root
- Stem
- Both root and leaves
- Direct consumption of a toxin or something that has been contaminated with a toxin by:
- Breathing, eating, or drinking
- Use of cosmetics
- Consumption of plastic bags
- None of these
- Developmental and reproductive problems due to:
- Direct effect
- Indirect effect
- Lethal effect
- Sub-lethal effect
- Indirect effects organisms directly effected by the loss of food, which has declined due to:
- Loss of habitat
- Due to toxins
- Pollution
- Both a and b
- Sublethal effects toxins or compounds that do not induce significant mortality but make the organism sick or make it change:
- Body shape
- Body weight
- Its behaviour
- Its colour
- With chronic use of pesticides, this runs the risk of causing:
- Abnormalities in chromosomes
- Affecting the reproduction
- Nervous and cardiovascular system
- All of these
- The genetics can be affected by toxicant exposure, direct changes can occur to the:
- Cell
- DNA
- Biochemical reactions
- Chromosomal material
- Contaminants can modify the distribution of individual in a population:
- Affective population size
- Mutation rate
- Migration rate
- All of these
- Cancer is caused by:
- Cadmium
- Mercury
- Caesium-137
- Chlorine
- Blindness is caused by:
- Methanol
- Ethanol
- Cyanide
- Aluminium
- Which disease is caused by Aluminium:
- Chronic bronchitis
- Kidney failure
- Anemia
- Memory loss
- Which disease is caused by Ethanol:
- Hepatitis
- Cancer
- Bone weakening
- Arrhythmia
- If prey population is affected by the toxin than decline in:
- Predator population
- Prey population
- Both of them
- None of them
- Plants are known as:
- Primary producer
- Secondary producer
- Consumers
- Decomposers
- Food quality protection act were passed in:
- 1950
- 1996
- 1990
- 1960
- The products should be used which have:
- Less impact on environment
- High impact on environment
- Moderate impact on environment
- None of these