Explore topic-wise MCQs in Environmental Science.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Science knowledge and support exam preparation. Choose a topic below to get started.

1.

Consider the following statements1. The arithmetical increase method is suitable for new cities2. The decreasing growth rate method is used where the rate of growth shows a downward pattern3. The geometrical increase method is used for older citiesWhich of the following above statements is/are correct?

A. 1,2,3
B. 1 and 3
C. Only 2
D. 2 and 3
Answer» D. 2 and 3
2.

What is the expression used for population forecasting by the incremental increase method?

A. PO (1 + R/100)n
B. PO + n*x
C. PO + n*x + (n (n+1) /2 ) *y
D. PO – n*x
Answer» D. PO – n*x
3.

What is the fire demand of the city of 1lakh population by Buston's formula?

A. 5663
B. 56630
C. 566300
D. 5663000
Answer» C. 566300
4.

Water lost in theft and waste contributes to how much % of total consumption?

A. 5
B. 10
C. 15
D. 20
Answer» D. 20
5.

What is the design discharge for intake structures?

A. Maximum daily demand
B. Maximum hourly demand
C. Maximum weekly demand
D. Average daily demand
Answer» B. Maximum hourly demand
6.

In which of the following units, design period is maximized?

A. Distribution system
B. Demand reservoir
C. Water treatment unit
D. Pipe mains
Answer» C. Water treatment unit
7.

What is the expression used for population forecasting by the geometrical increase method?

A. PO (1 + R/100)n
B. PO + n*x
C. PO + n*x + (n (n+1) /2 ) *y
D. PO – n*x
Answer» B. PO + n*x
8.

Which is the correct statement regarding per capita demand?

A. Daily water required by an individual
B. Water required for various purposes by a person
C. Water required by an individual in a year
D. Annual average amount of daily water required by one person
Answer» E.
9.

What are the factors affecting per capita demand?

A. Size of city
B. Size of city, habit of people
C. Cost of water, quality of water, size of city
D. Cost of water, quality of water, size of city, habit of people
Answer» E.
10.

Which method is suitable if the growth rate is decreasing and population is reaching towards saturation?

A. Arithmetical increase method
B. Graphical comparison method
C. Zoning method
D. Decreased rate of growth method
Answer» E.
11.

Which method of population forecast is suitable when extension is required for small duration and past record is available for long duration?

A. Graphical comparison method
B. Graphical extension method
C. Logistic curve method
D. Zoning method
Answer» C. Logistic curve method