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All questions of Supply for Grade 9 Exam

What happens to the supply curve when production costs decrease?
  • a)
    The supply curve remains unchanged
  • b)
    The supply curve shifts to the left
  • c)
    The supply curve becomes perfectly elastic
  • d)
    The supply curve shifts to the right
Correct answer is option 'D'. Can you explain this answer?

Shruti shukla answered
Understanding Supply Curve Shifts
When production costs decrease, the supply curve experiences a significant shift. This can be attributed to the relationship between production costs and the willingness of producers to supply goods.
Impact of Decreased Production Costs
- Lower Costs: When production costs drop, producers can manufacture goods more efficiently and at a lower expense.
- Increased Profit Margins: With reduced costs, businesses can maintain or increase their profit margins even if they lower prices.
Shift of the Supply Curve
- Rightward Shift: The supply curve shifts to the right, indicating an increase in supply. This means that at every price level, producers are willing to offer more goods for sale.
- More Quantity at Same Prices: As a result of the rightward shift, consumers will find more products available at the same price points, which can lead to lower market prices.
Conclusion
In summary, a decrease in production costs leads to a rightward shift of the supply curve. This adjustment indicates that suppliers can provide more goods at existing prices, enhancing market supply and potentially benefiting consumers through lower prices.

What does an upward sloping supply curve typically represent?
  • a)
    The impact of consumer demand on supply
  • b)
    Increased supply at higher prices
  • c)
    Decreasing production costs
  • d)
    Supply remaining constant at all prices
Correct answer is option 'B'. Can you explain this answer?

An upward sloping supply curve represents the concept that as prices increase, the quantity supplied also increases, illustrating the direct relationship between price and the willingness to supply.

Which type of goods typically exhibit perfectly elastic supply?
  • a)
    Homogeneous products
  • b)
    Durable goods
  • c)
    Perishable goods
  • d)
    Luxury items
Correct answer is option 'A'. Can you explain this answer?

Perfectly elastic supply is often associated with homogeneous products, where even a tiny change in price can lead to an infinite change in quantity supplied due to the ease of substitutability.

Which of the following describes market period supply?
  • a)
    Supply can be increased by expanding production plants
  • b)
    Supply cannot be changed at all due to time constraints
  • c)
    Supply can be altered with more variable factors
  • d)
    Supply is influenced solely by consumer demand
Correct answer is option 'B'. Can you explain this answer?

Market period supply refers to a situation where the supply of a commodity cannot be altered at all, even if prices increase, due to the immediate time constraints. This concept is essential in understanding short-term market behavior.

Which of the following factors does NOT affect supply?
  • a)
    Prices of factors of production
  • b)
    Technological advancements
  • c)
    Consumer preferences
  • d)
    Price of the product
Correct answer is option 'C'. Can you explain this answer?

Nk Classes answered
While factors such as the price of the product, prices of production inputs, and technological advancements directly affect supply, consumer preferences are more related to demand than supply.

What does the concept of the law of diminishing marginal productivity imply for producers?
  • a)
    Producers should always increase input regardless of output
  • b)
    Higher production always leads to lower costs
  • c)
    More input always results in proportionally higher output
  • d)
    Each additional unit of input eventually contributes less to overall output
Correct answer is option 'D'. Can you explain this answer?

Nk Classes answered
The law of diminishing marginal productivity states that as more units of a variable factor are employed, the additional output produced from each unit will eventually decrease, leading to increased production costs. This understanding helps producers make informed decisions about resource allocation.

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