Environmental Science MCQs MPhil Test 10

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The post is about online Environmental Science MCQs MPhil test. There are 20 multiple-choice questions for preparation for admission, comprehensive, and scholarship examinations. It covers climate change, biodiversity, renewable energy, and pollution control. The Environmental Science quizzes are crafted that span from basic concepts to advanced theories. Let us start with the Environmental Science MCQs MPhil Test.

Online MCQs about Environmental Sciences

1. The process of killing infective bacteria in water is called

 
 
 
 

2. In Pakistani soils, which one is not a common fate of $NH_4$

 
 
 
 

3. Volatilization of $NH_4$ to ammonia gas ($NH_3$) is favored by

 
 
 
 

4. ————- are involved both in mineralization and immobilization of phosphorus in soil

 
 
 
 

5. The EMS stands for

 
 
 
 

6. Autoclave is used for

 
 
 
 

7. Which of the following is putrescible waste

 
 
 
 

8. A metabolic process in which an organism converts a carbohydrate into alcohol or acid is called

 
 
 
 

9. ———— is the example of inorganic pesticide

 
 
 
 

10. The process of killing organism in water is called

 
 
 
 

11. We alter the carbon cycle by

 
 
 
 

12. The major gas produced by burning of fossil fuel is

 
 
 
 

13. Atmosphere has a maximum concentration of

 
 
 
 

14. Chlorine has been widely used for ————.

 
 
 
 

15. Bacteria which use light as source of energy and carbon dioxide as source of carbon are called

 
 
 
 

16. In electrophoresis DNA moves towards the pole having

 
 
 
 

17. Eutrophication causes ———– in $O_2$ concentration in water body

 
 
 
 

18. Environmental science studies all aspects of the environment

 
 
 
 

19. Buffer solutions are required to maintain

 
 
 
 

20. Environmental issues are also linked with

 
 
 
 

Online Environmental Science MCQs MPhil Test

  • Chlorine has been widely used for ————.
  • Bacteria which use light as source of energy and carbon dioxide as source of carbon are called
  • A metabolic process in which an organism converts a carbohydrate into alcohol or acid is called
  • The process of killing infective bacteria in water is called
  • The EMS stands for
  • In Pakistani soils, which one is not a common fate of $NH_4$
  • Buffer solutions are required to maintain
  • In electrophoresis DNA moves towards the pole having
  • Autoclave is used for
  • Which of the following is putrescible waste
  • Environmental issues are also linked with
  • Atmosphere has a maximum concentration of
  • ————- are involved both in mineralization and immobilization of phosphorus in soil
  • The process of killing organism in water is called
  • Environmental science studies all aspects of the environment
  • We alter the carbon cycle by
  • Volatilization of $NH_4$ to ammonia gas ($NH_3$) is favored by
  • ———— is the example of inorganic pesticide
  • Eutrophication causes ———– in $O_2$ concentration in water body
  • The major gas produced by burning of fossil fuel is
Environmental Science MCQs for MPhil Test

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MCQs Percentage Aptitude Quiz 1

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This post is about the Percentage Aptitude Quiz with Answers. It consists of 20 multiple-choice questions about the computation of percentages, such as percentage increase, percentage decrease, percentage out of total, etc. Let’s start with the MCQs Percentage Aptitude Quiz.

Please go to MCQs Percentage Aptitude Quiz 1 to view the test

Online MCQs Percentage Aptitude Quiz

  • What percent is 3% of 20?
  • What was Yousaf’s Income last year if he paid an income tax of 18350, which is 40% of his income?
  • The price of a car, including 6% sales tax, is 154431.40. What was the market price of the car?
  • The assets of a businessman increased from 120000 to 580000. What was the rate of change?
  • What number is 20% more than 9000?
  • What number is 60% less than 900?
  • After a discount of 25% the sale price of a suitcase is 846. What was the original price of the suitcase?
  • A single discount equivalent to a discount series of 20%, 10%, and 25% is
  • 40 arithmetic questions, each carrying equal marks, were given as a class test. A student answered 25 questions correctly. What percentage was this? To pass a student must answer at least 45% of the questions correctly. Find the least number of correct answers needed to pass the class test.
  • A student scored 90 marks on a mathematics test. This was 20% more than what he had scored for the geography test. How much did he score on the geography test?
  • A fruit seller has 120 oranges. Given that he has 20% more apples than oranges and 40% less oranges than pears, find the number of apples and a number of pears.
  • A man earned an annual income of 245000 in 1990. He was allowed a deduction of 15000 relief for his three children and a personal relief of 30000. If he was charged a tax rate of 4% on the first 50000 and 6% on this remaining income, calculate the amount of tax he had to pay.
  • A man pays 10% of his income for his income tax. If his income tax amounts to 1500, what is his income?
  • Rashid’s salary was reduced by 20%. To restore his salary to the original amount, it must be raised by
  • A man’s new income is 8400 per month. Given that his original income was 7500 per month, find the percentage increase in his monthly income.
  • A student has to secure 40% marks to pass. He gets 40 marks and fails by 40 marks. The maximum number of marks is
  • After spending 88% of his income, a man had 2160 left. Find his income.
  • By selling a fan for 475, a person loses 5%. To get a gain of 5%, he should sell the fan for:
  • The enrollment in a certain secondary school was 450 in 1979. By 1980, the enrollment had increased by 16%. What was the enrollment in 1980?
  • Sadiq purchased a plot for 8000. He sells the plot to Abid at 20% profit. Abid in turn sells that plot to Arif at a loss of 20%. The plot costs Arif.
Percentage Aptitude Quiz

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MCQs Introduction to Trigonometry 1

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The post is about Online MCQs Introduction to Trigonometry with Answers. There are 20 multiple-choice questions from Chapter 7 of 10th Class mathematics (“Introduction to Trigonometry”). Let us start with the MCQs Introduction to Trigonometry.

Please go to MCQs Introduction to Trigonometry 1 to view the test

Online MCQs Introduction to Trigonometry with Answers

Online MCQs Introduction to Trigonometry with Answers

  • The union of two non-collinear rays, which have a common endpoint is called
  • The system of measurement in which the angle is measured in radians is called
  • $20^\circ = ?$
  • $\frac{3\pi}{4}$ radians = ?
  • If $tan \theta = \sqrt{3}$, then $\theta$ is equal to
  • $sec^2 \theta$ = ?
  • $\frac{1}{1+sin \theta} + \frac{1}{1-sin\theta}$
  • $\frac{1}{2} cosec 45^\circ$
  • $sec\theta cot \theta$ = ?
  • $cosec^2 \theta – cot^2 \theta$ = ?
  • In degree measurement, $1^\circ$ is equal to
  • In degree measurement, 1′ is equal to
  • How many right angles are there in 360 degrees?
  • If ‘$r$’ is the radius of a circle, then its circumference is
  • The radian measure of an angle that forms a complete circle is
  • $2\pi$ radians = ?
  • $\pi$ radians =?
  • $1^\circ$ = ?
  • 1 radian =
  • $\frac{\pi}{2}$ radians =

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