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All questions of Food Production for Class 8 Exam
Which of the following is considered a kharif crop?- a)Rice
- b)Barley
- c)Wheat
- d)Mustard
Correct answer is option 'A'. Can you explain this answer?
Which of the following is considered a kharif crop?
a)
Rice
b)
Barley
c)
Wheat
d)
Mustard
 | Get Idea answered |
Rice is the most significant kharif crop, grown during the rainy season from July to October. Kharif crops depend on the monsoon rains and are typically sown at the beginning of the rainy season.
What type of crops are grown primarily for food?- a)Horticultural crops
- b)Industrial crops
- c)Cash crops
- d)Food crops
Correct answer is option 'D'. Can you explain this answer?
What type of crops are grown primarily for food?
a)
Horticultural crops
b)
Industrial crops
c)
Cash crops
d)
Food crops
| | Get Idea answered |
Food crops are specifically cultivated for human consumption and include cereals, pulses, and oilseeds. Understanding the classification of crops helps in agricultural planning and resource allocation.
What is the main benefit of organic farming?- a)Increased yield through monoculture
- b)Maintenance of soil fertility without harmful chemicals
- c)Use of chemical fertilizers
- d)Use of genetically modified seeds
Correct answer is option 'B'. Can you explain this answer?
What is the main benefit of organic farming?
a)
Increased yield through monoculture
b)
Maintenance of soil fertility without harmful chemicals
c)
Use of chemical fertilizers
d)
Use of genetically modified seeds
| | Get Idea answered |
Organic farming focuses on maintaining soil fertility through natural practices such as crop rotation and the use of organic manure, avoiding harmful chemicals. This approach promotes sustainable agriculture and protects the environment.
What role do nitrogen-fixing bacteria play in agriculture?- a)They cause diseases in crops
- b)They produce antibiotics
- c)They decompose organic matter
- d)They convert nitrogen into usable forms for plants
Correct answer is option 'D'. Can you explain this answer?
What role do nitrogen-fixing bacteria play in agriculture?
a)
They cause diseases in crops
b)
They produce antibiotics
c)
They decompose organic matter
d)
They convert nitrogen into usable forms for plants
| | Get Idea answered |
Nitrogen-fixing bacteria are vital in agriculture as they convert atmospheric nitrogen into soluble nitrates, which plants can readily absorb. This process enhances soil fertility and reduces the need for chemical fertilizers.
Which yeast is commonly used in the production of alcoholic beverages?- a)Rhizopus
- b)Candida
- c)Saccharomyces
- d)Aspergillus
Correct answer is option 'C'. Can you explain this answer?
Which yeast is commonly used in the production of alcoholic beverages?
a)
Rhizopus
b)
Candida
c)
Saccharomyces
d)
Aspergillus
| | Get Idea answered |
Saccharomyces is the genus of yeast most commonly used in the fermentation process for producing alcoholic beverages like wine and beer. This yeast efficiently converts sugars into alcohol and carbon dioxide, which is essential for the brewing and baking industries.
What is a major characteristic of biennial plants?- a)Live for two years, flowering in the second year
- b)Produce seeds every year
- c)Complete life cycle in one year
- d)Live for more than two years
Correct answer is option 'A'. Can you explain this answer?
What is a major characteristic of biennial plants?
a)
Live for two years, flowering in the second year
b)
Produce seeds every year
c)
Complete life cycle in one year
d)
Live for more than two years
| | Get Idea answered |
Biennial plants complete their life cycle over two years, where they typically focus on vegetative growth in the first year and produce flowers and seeds in the second year. This characteristic is essential for their reproduction and survival.
What is the significance of the Green Revolution in India?- a)Shift from agriculture to industrialization
- b)Decrease in agricultural productivity
- c)Increase in crop production through modern techniques
- d)Focus on organic farming
Correct answer is option 'C'. Can you explain this answer?
What is the significance of the Green Revolution in India?
a)
Shift from agriculture to industrialization
b)
Decrease in agricultural productivity
c)
Increase in crop production through modern techniques
d)
Focus on organic farming
| | Get Idea answered |
The Green Revolution refers to the significant increase in agricultural production in India due to modern farming techniques, including the use of high-yielding varieties, fertilizers, and irrigation. This revolution has helped address food security in the country.
What is the primary source of nutrition for yeast?- a)Fats
- b)Proteins
- c)Fibers
- d)Simple sugars
Correct answer is option 'D'. Can you explain this answer?
What is the primary source of nutrition for yeast?
a)
Fats
b)
Proteins
c)
Fibers
d)
Simple sugars
| | Get Idea answered |
Yeast primarily absorbs simple sugars as their source of nutrition. During fermentation, they break down these sugars to produce alcohol and carbon dioxide, which are crucial in baking and brewing processes.
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