Olympiad – Class IX – Science - Bio - Improvement in Food Resources

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Question - 1

Which of the following are the three primary nutrients needed for plant growth?

  • A Calcium, sulphur and magnesium.
  • B Nitrogen, phosphorus and potassium.
  • C Zinc, boron and copper.  
  • D Calcium, zinc, copper.

Question - 2

Which of the following is not an exotic breed of dairy cattle?

  • A Jersey
  • B Holstein
  • C Bas indicus
  • D Brown swiss

Question - 3

Which of these crops does not require nitrogen fertilizer?

  • A Corn
  • B Soyabean
  • C Grass
  • D Oats

Question - 4

What does G.M.O stand for?

  • A Genetically Modified Organism
  • B Growth Maturity Order
  • C Good Maturing Offspring
  • D Gold Medal Order

Question - 5

Crop rotation is an important part of organic farming. Why is rnono-cropping problematic?

  • A The crop is vulnerable to organized crop thieves.
  • B It encourages the build-up of diseases and pests that destroy that particular crop.
  • C It does not use minerals.
  • D It is expensive

Question - 6

Which of the following is not an organic method used to control weeds?

  • A Proper seed beds
  • B Weedicides
  • C Intercropping
  • D Crop rotation

Question - 7

Which of the following refers to "Seed" in fisheries?

  • A Fish
  • B Eggs of fish
  • C Feeders
  • D Larva

Question - 8

What is the scientific name of the Italian bee?

  • A Apis indica
  • B Apis dorseta
  • C Apis mellifera
  • D Apis florae

Question - 9

Which of the following organisms is/are causes diseases in poultry?

  • A Bacteria
  • B Fungi
  • C Virus
  • D All of the above

Question - 10

Why are exotic breeds preferred to local breeds?

  • A Exotic breeds have low resistance to diseases.
  • B Exotic breeds need less food.
  • C Exotic breeds need less maintenance.
  • D Exotic breeds have long lactation period.