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ICSE Class 8 Modern Agriculture — practice questions

Explore 28 free Modern Agriculture questions in ICSE Class 8 Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Modern Agriculture questions and exercises with answers

Showing questions 1–28 of 28.

Which bacterium is commonly involved in making curd from milk?Read the answer and worked solution →Which microorganism is used to ferment bread dough?Read the answer and worked solution →Which gas produced during fermentation makes dough puff up?Read the answer and worked solution →Selected moulds are used in ripening some cheeses. Moulds belong to which group?Read the answer and worked solution →Commercially cultivated button mushrooms belong to which group?Read the answer and worked solution →Which pair consists of cereal crops grown in India?Read the answer and worked solution →Which of these is a pulse crop?Read the answer and worked solution →Why is a crop described as a cash crop?Read the answer and worked solution →Which pair supplies fibres used to make fabrics or sacks?Read the answer and worked solution →Mustard and groundnut are cultivated to obtain which food product?Read the answer and worked solution →Which group of crops comes within horticulture?Read the answer and worked solution →Which pair consists of fruit crops?Read the answer and worked solution →Which pair is commonly grown as vegetable crops?Read the answer and worked solution →Which pair is cultivated for ornamental flowers?Read the answer and worked solution →Which soil addition is made by microbial decomposition of plant and animal wastes?Read the answer and worked solution →India's Green Revolution is chiefly associated with a rise in what?Read the answer and worked solution →Which crop pair was especially important in India's Green Revolution?Read the answer and worked solution →Which description best defines animal husbandry?Read the answer and worked solution →Animals described as milch animals are kept mainly for which product?Read the answer and worked solution →An ox is used to pull a plough. Which use does this illustrate?Read the answer and worked solution →Which farming activity mainly rears birds for eggs and meat?Read the answer and worked solution →Which activity is fish farming rather than capture fishing?Read the answer and worked solution →Which pair consists of freshwater fish reared in India?Read the answer and worked solution →What is apiculture?Read the answer and worked solution →Which pair of marketable products comes from honey-bee colonies?Read the answer and worked solution →Silkworm rearing is known by which term?Read the answer and worked solution →Where does the silk used in sericulture come from?Read the answer and worked solution →Which product is central to India's movement called the White Revolution?Read the answer and worked solution →

Worked practice questions

Which bacterium is commonly involved in making curd from milk?

  1. Nitrosomonas
  2. Rhizobium
  3. Azotobacter
  4. Lactobacillus
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Correct answer: D. Lactobacillus

Lactobacillus and other lactic acid bacteria grow in milk and help convert it into curd.

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Which microorganism is used to ferment bread dough?

  1. Lactobacillus
  2. Baker's yeast
  3. Amoebas
  4. Rhizobium
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Correct answer: B. Baker's yeast

Baker's yeast ferments dough during bread making.

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Which gas produced during fermentation makes dough puff up?

  1. Hydrogen gas
  2. Nitrogen gas
  3. Oxygen gas
  4. Carbon dioxide
Show answer and solution

Correct answer: D. Carbon dioxide

Carbon dioxide produced during fermentation forms gas pockets that expand the dough.

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