Eco-toxicology- Aquatic toxicology

  • The study of effects of toxic chemical on ecosystem and biosphere level is:
  1. Ecotoxicology
  2. Genotoxicology
  3. Immunotoxicology
  4. None of these
  • Ecotoxicology was coined by:
  1. Margoshes
  2. Vallee
  3. Rene Truhaut
  4. Both a and b
  • Ecotoxicology was coined in;
  1. 1969
  2. 1960
  3. 1990
  4. 1987
  • Common environmental toxicants are;
  1. PCBs
  2. Pesticides
  3. Phthalates
  4. All of the above
  • PCBs are found in:
  1. Plastic bottles
  2. Coolants
  3. Water pipes
  4. Household cleaner
  • Pesticides are used for:
  1. Killing the pests
  2. Prevention from pests
  3. Both a and b
  4. None of thes
  • Which toxicant is found in vegetable and meat:
  1. Mold
  2. Pesticides
  3. Dioxins
  4. Asbestos
  • Commonly used pesticide is:
  1. Methyl parathion
  2. Mycotoxin
  3. Chlorine
  4. Asbestos
  • Volatile organic compounds are found in:
  1. Hydraulic fluid
  2. Vegetables
  3. Heating ducts
  4. Sewage system
  • From combustion process which toxin is produce:
  1. Asbestos
  2. Dioxins
  3. Mold
  4. Phthalates
  • Heavy metals include:
  1. Mercury
  2. Lead
  3. Arsenic
  4. All of the above
  • Heavy metals are found in:
  1. Fish
  2. Pesticides
  3. Both a and b
  4. None of these
  • Chlorine is commonly found in:
  1. Hair spray
  2. Perfumes
  3. Household cleaners
  4. Both a and b
  • Animals can go to the brink of extinction because of the:
  1. Food chain
  2. Wood
  3. Toxic substance
  4. Due to pollution
  • Plants can absorb toxin through their:
  1. Shoot
  2. Root
  3. Stem
  4. Both root and leaves
  • Direct consumption of a toxin or something that has been contaminated with a toxin by:
  1. Breathing, eating, or drinking
  2. Use of cosmetics
  3. Consumption of plastic bags
  4. None of these
  • Developmental and reproductive problems due to:
  1. Direct effect
  2. Indirect effect
  3. Lethal effect
  4. Sub-lethal effect
  • Indirect effects organisms directly effected by the loss of food, which has declined due to:
  1. Loss of habitat
  2. Due to toxins
  3. Pollution
  4. Both a and b
  • Sublethal effects toxins or compounds that do not induce significant mortality but make the organism sick or make it change:
  1. Body shape
  2. Body weight
  3. Its behaviour
  4. Its colour
  • With chronic use of pesticides, this runs the risk of causing:
  1. Abnormalities in chromosomes
  2. Affecting the reproduction
  3. Nervous and cardiovascular system
  4. All of these
  • The genetics can be affected by toxicant exposure, direct changes can occur to the:
  1. Cell
  2. DNA
  3. Biochemical reactions
  4. Chromosomal material
  • Contaminants can modify the distribution of individual in a population:
  1. Affective population size
  2. Mutation rate
  3. Migration rate
  4. All of these

 

  • Cancer is caused by:
  1. Cadmium
  2. Mercury
  3. Caesium-137
  4. Chlorine
  • Blindness is caused by:
  1. Methanol
  2. Ethanol
  3. Cyanide
  4. Aluminium
  • Which disease is caused by Aluminium:
  1. Chronic bronchitis
  2. Kidney failure
  3. Anemia
  4. Memory loss
  • Which disease is caused by Ethanol:
  1. Hepatitis
  2. Cancer
  3. Bone weakening
  4. Arrhythmia
  • If prey population is affected by the toxin than decline in:
  1. Predator population
  2. Prey population
  3. Both of them
  4. None of them
  • Plants are known as:
  1. Primary producer
  2. Secondary producer
  3. Consumers
  4. Decomposers
  • Food quality protection act were passed in:
  1. 1950
  2. 1996
  3. 1990
  4. 1960
  • The products should be used which have:
  1. Less impact on environment
  2. High impact on environment
  3. Moderate impact on environment
  4. None of these