Environmental Science In Agricultural MCQ

Test your knowledge with important Environmental Science In Agricultural MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Environmental Science In Agricultural MCQs at Bissoy

• The market value in current rupees or dollars of all goods and services, for final use, produced by an economy during a year is
  ক

  Economic Growth (EG)

  খ

  Gross National Product (GNP)

  গ

  Gross State Economy (GSE)

  ঘ

  None of the above
• Which of the following is a correct sequence of carbon cycle?
  ক

  Consumer ⟶ Photosynthesis ⟶ Decomposers

  খ

  Photosynthesis ⟶ Decomposers ⟶ Consumer

  গ

  Photosynthesis ⟶ Consumer ⟶ Decomposers

  ঘ

  Decomposer ⟶ Consumer ⟶ Photosynthesis
• National Biodiversity Strategy and Action Plan (NBSAP) was established in
  ক

  1986

  খ

  1988

  গ

  1999

  ঘ

  2004
• Biogeochemical cycling means
  ক

  Cycling of energy in an ecosystem

  খ

  Cycling of gases between plants and the atmosphere

  গ

  Cycling of nutrients in an ecosystem

  ঘ

  Cycling of water
• Major aerosol pollutant in jet plane emission is
  ক

  Sulphur dioxide

  খ

  Carbon monoxide

  গ

  Methane

  ঘ

  Fluorocarbon
• Phenolpthalein alkalinity is also known as
  ক

  Pure alkalinity

  খ

  Carbonate alkalinity

  গ

  Natural alkalinity

  ঘ

  Impure alkalinity
• Counter current flow of scrub solution and the gas stream is effective in trapping
  ক

  Liquid substances

  খ

  Gaseous substances

  গ

  All kinds of pollutants

  ঘ

  All of these
• Which one of the following is an indirect ecological factor?
  ক

  Soil structure

  খ

  Wind

  গ

  Light

  ঘ

  Altitude
• Guano is a major source of
  ক

  Nitrogen

  খ

  Phosphorus

  গ

  Sulphur

  ঘ

  Zinc
• Sewage treatment in which a portion of decomposer bacteria present in waste is recycled into the beginning of the process
  ক

  Cyclic treatment

  খ

  Activated sludge treatment

  গ

  Primary treatment

  ঘ

  Tertiary treatment
• The words trash, garbage, rubbish, refuse etc. are synonyms with
  ক

  Waste

  খ

  Hazard

  গ

  Rubbish

  ঘ

  All of these
• The sphere of living matter found on the surface or earth comprises
  ক

  Lithosphere

  খ

  Hydrosphere

  গ

  Atmosphere

  ঘ

  Biosphere
• Biosphere like a balanced aquarium is
  ক

  Closed system

  খ

  An open system

  গ

  Partly open and partly closed system

  ঘ

  None of the above
• The pH of a fertile soil is usually around
  ক

  2 - 3

  খ

  9 - 11

  গ

  6 - 7

  ঘ

  11 - 14
• Who formulated the twelve principles of "Green Chemistry"?
  ক

  Paul Ehrlich

  খ

  Anastas and Warner

  গ

  Watson and Crick

  ঘ

  Darwin and Malthus
• The soil near the surface is usually darker than about one meter down, it is because the top soil
  ক

  Is not so old

  খ

  Is richer in Ca and Mg

  গ

  Is drier than sub-soil

  ঘ

  Contains more organic matter
• Overgrazing causes
  ক

  Negative pollution

  খ

  Positive pollution

  গ

  Soil erosion

  ঘ

  Reduction in crop yield
• Breeding place of Flamingo (Hansawar) in India is
  ক

  Chilka Lake

  খ

  Sambar Lake

  গ

  Rann of Kutch

  ঘ

  Ghana Vihar
• Minamata disease is due to pollution of
  ক

  Organic waste into drinking water

  খ

  Oil spill in water

  গ

  Industrial waste mercury into fishing water

  ঘ

  Arsenic into the atmosphere
• Nucleic acids have important genetic materials, these are
  ক

  Genes

  খ

  Chromosomes

  গ

  Both A and B

  ঘ

  None of these
• Soil is the
  ক

  Edaphic factor

  খ

  Non-edaphic factor

  গ

  Both of these

  ঘ

  None of these
• Biotic community can be grouped into
  ক

  Producers

  খ

  Consumers

  গ

  Decomposers

  ঘ

  All of these
• National Land Resources Conservation week observed on
  ক

  14 - 20^th November

  খ

  21 - 27^th November

  গ

  1 - 7^th November

  ঘ

  None of these
• Which of the following is only source of energy which keeps natural ecosystems in a actual state?
  ক

  Nuclear power

  খ

  Sun-light

  গ

  Thermal power

  ঘ

  All of these
• Source of carbon to plants is
  ক

  Carbon dioxide of carbonate rocks

  খ

  Fossil fuels

  গ

  Atmospheric carbon dioxide

  ঘ

  All of the above
• Annual world precipitation is
  ক

  7 × 10¹⁰ g

  খ

  7 × 10²⁰ g

  গ

  4.46 × 10¹⁰ g

  ঘ

  4.46 × 10²⁰ g
• Bandipur (Karnataka) National Park is site of
  ক

  Deer project

  খ

  Peacock project

  গ

  Elephant project

  ঘ

  Tiger project
• The symptoms of a goitre include
  ক

  Enlargement of the throat

  খ

  Swelling problems in oesophagus also

  গ

  Breathing problems

  ঘ

  All of the above
• Which of the following is the green house gas?
  ক

  SO₂

  খ

  SO₃

  গ

  CO₂

  ঘ

  O₂
• A waste is classified as hazardous if it shows
  ক

  Toxicity and ignitability

  খ

  Corrosivity

  গ

  Reactivity

  ঘ

  All of these