Hi, today we are going to share with you all NCERT Science mcq PDF type questions and answers which can help you very well in UPSC Civil Services Exam, this will cover almost all important questions which are frequently asked in UPSC exam.
So before any exam you must read these mcqs if you are a beginner, so first we recommend that you read NCERT books, after that you can go with standard books.
| Exam | UPSC / State PSC |
| Class Included | 7, 8, 9, 10 |
| Language | English |
| No of Pages | 174 |
This will cover all the important chapter of ncert biology chemistry & physics class 7, 8, 9, 10.
you all can download NCERT Science MCQ UPSC from the given direct link below which is free for all students.
If you keep science as your optional optional subject in civil services, then these NCERT questions are going to be very beneficial for you because all the important questions have been adjusted chapter wise in it.
Science MCQ
Q1. Which of the following assertions is/are correct?
1. The liver is the largest gland in the body.
2. The liver does not secrete bile juice.
3. Bile juice plays an important role in the digestion of fat.
Use the code given below to select the correct answer —
A. 2 only B. 1 and 3 only C. 2 and 3 only D. 1, 2 and 3
Q2. Consider the following assertions
1. Fibers obtained from animals are known as fleece.
2. Silk fibers come from cocoons of the silk moth.
3. Sheep, goat and yak are wool-yielding animals.
Which of the above assertions is/are correct?
A. 1 only B. 1 and 2 only C. 2 and 3 only D. 1, 2 and 3
Q3. In relation to silk, which of the following assertions is/are correct?
1. The silk fibre is as strong as steel wire.
2. Tussar silk, muga silk and kosa silk are different varieties of silk.
Use the code given below to select the correct answer —
A. 1 only B. 2 only C. Both 1 and 2 D. Neither 1 nor 2
Q4. In terms of physical and chemical changes, which of the following assertions is/are correct?
1. All physical changes are irreversible, while chemical changes are reversible.
2. The following may accompany a chemical change:-Sound may be produced, Heat, light or any other radiation (ultraviolet, for example) may be given or absorbed.
Use the code given below to select the correct answer :
A. 1 only B. 2 only C. Both 1 and 2 D. Neither 1 nor 2
Q5. Which statement is correct regarding acids?
1. Acid is a molecule which donate proton or accept electron pair in reactions.
2. Acid increases the concentration of hydrogen atoms or hydronium atoms in water.
3. Acids have pH value less than 7.
4. Acid in the stomach helps in the digestion of food.
Use correct statements:
A. Only 1 B. Both 2 and 4 C. Both 3 and 4 D. All the above