General Science MCQ For Competitive Exam Set 46

General Science MCQ For Competitive Exam

India’s most important competitive Exams and MCQs like UPSC, IAS, RAILWAY, SSC and many more competitive exams have a syllabus regarding the History and we are providing all the important topics of the Ancient, Medieval and Modern Indian History in PDH format which is easily downloadable. We also provide important General Knowledge and General science MCQs For competitive Exam given below.

General Science MCQ For Competitive Exam

Q1. Carbon dioxide is called a greenhouse gas because

(A) Its concentration remains always higher than other gases

(B) It is used in photosynthesis

(C) It absorbs infrared radiation

(D) It emits visible radiation

Q2. What is the major role of a greenhouse gas that contributes to temperature rise of the earth’s surface?

(A)Transparent to both incoming sunlight and outgoing infrared radiation

(B) Stops both incoming sunlight and outgoing infrared radiation

(C) Lets outgoing infrared radiation pass through but stops incoming sunlight

(D) Lets incoming sunlight pass through but stops outgoing infrared radiation

Q3.  Consider the following statements:

(1) Ozone is mostly found in the stratosphere.

(2) Ozone layer lies 55-75 km above the surface of the Earth.

(3) Ozone absorbs ultraviolet radiation from the Sun.

(4) Ozone layer has no significance for life on the Earth.

Which of the statements given above are correct?

(A)1 and 2

(B) 1 and 3

(C) 2 and 3

(D) 3 and 4

Q4. Which among the following nontoxic gases helps in formation of enzymes which ripen fruit?

(A) Acetylene

(B) Ethane

(C) Methane

(D) Carbon dioxide

Question Answer
1. C
2. B
3. B
4. B

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General Knowledge MCQs For SSC

General Knowledge MCQs For UPSC

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