Question : Eutrophication of a water body enhances:

Option 1: Organic matter production

Option 2: Biological oxygen demand

Option 3: Both (1) and (2)

Option 4: Neither (1) nor (2)

Question : Which of the following curve describes the variation of household expenditure on a particular good with respect to household income?

Option 1: Demand curve

Option 2: Engel curve

Option 3: Great Gatsby curve

Option 4: Cost curve

Question : The law of demand states that:

Option 1: if the price of a good increases, the demand for that good decreases

Option 2: if the price of a good increases, the demand for that good increases

Option 3: if the price of a good increases, the quantity demanded of that good decreases

Option 4: if the price of a good increases, the quantity demanded of that good increases

Question : Which of the following is a plant tissue?

I. Meristematic tissue

II. Permanent tissue

Option 1: Only II

Option 2: Both I and II

Option 3: Neither I nor II

Option 4: Only I

Question : Which of the following is a natural acid-base indicator?

I. Litmus

II. Turmeric

Option 1: Only II

Option 2: Only I

Option 3: Neither I nor II

Option 4: Both I and II