Daily science 2
1. What is function of a dynamo ?
Ans : To convert mechanical energy into electrical energy
2. The chief constituent of Gobar Gas is________
Ans : methane
3. Who is credited with the development of polio vaccine ?
Ans : Jonas Salk
4. Which one of the following statements regarding sound is true ?
Ans : Its source is always a vibrating material.
5. The clear sky looks blue because of–
Ans : dispersion of light
6. Which of the following in the human body is popularly called the ‘Adam’s Apple’?
Ans : Thyroid
7. Which one of the following substances is obtained by the fractionation of human blood ?
Ans : Gamma globulin
8. Of the blood groups A, B, AB and O, which one is transfused into a person whose blood group is A ?
Ans : Group A and O
9. The three abundant elements in the earth’s crust are aluminium, oxygen and silicon. The correct order of their abundance is–
Ans : silicon, oxygen, aluminium
10. Penicillin is widely used as–
Ans : an antibiotic
Ans : To convert mechanical energy into electrical energy
2. The chief constituent of Gobar Gas is________
Ans : methane
3. Who is credited with the development of polio vaccine ?
Ans : Jonas Salk
4. Which one of the following statements regarding sound is true ?
Ans : Its source is always a vibrating material.
5. The clear sky looks blue because of–
Ans : dispersion of light
6. Which of the following in the human body is popularly called the ‘Adam’s Apple’?
Ans : Thyroid
7. Which one of the following substances is obtained by the fractionation of human blood ?
Ans : Gamma globulin
8. Of the blood groups A, B, AB and O, which one is transfused into a person whose blood group is A ?
Ans : Group A and O
9. The three abundant elements in the earth’s crust are aluminium, oxygen and silicon. The correct order of their abundance is–
Ans : silicon, oxygen, aluminium
10. Penicillin is widely used as–
Ans : an antibiotic