1. Which of the following sentence contains an adjective clause?
A. He works hard so that he can succeed in life.B. I know the boy who stood first in the exam.C. Though he is poor, he is honest.D. What he says is true.
2. Number of cervical and lumber vertebra is-
A. 8 and 7B. 12 and 5C. 7 and 4D. 7 and 5
3. Evaporation does not depend on-
A. The nature of the liquidB. The temperature of the liquidC. The temperature of the airD. The volume of the liquid
4. Which substance resists blood clotting inside blood vessels?
A. thromboplastinB. heparinC. thrombinD. fibrin
5. From person possessing which blood group can O blood group recipient receive blood?
A. ABB. BC. OD. A
6. To convert a germanium crystal into p-type semiconductor, we need-
A. excess alpha particlesB. trivalent impurityC. pentavalent impurityD. all of the above