Q1. Which of the following hormones is responsible for the emotional states such as fear, anger and tension and a rise in blood pressure and heart rate?
Q2. Which among the following lens is used to correct Presbyopia?
Q3. Trimethylxanthine is a chemical name of a stimulant which is found in tea and coffee. What is the popular name?
(c) Theo bromine
Q4. Which of the following organs is said to be a reserve bank of blood in human being?
(c) Gall bladder
(d) None of the above
Q5. The number of mole of solute per liter solution is called
(d) Mole fraction
Q6. A plant uses nitrogen in the form of-
(a) Nitrogen gas
Q7. Another name of vitamin E is-
Q8.Which instrument is used to measure depth of ocean ?
(b) Flux meter
Q9.The sky appears black from the moon because of :
(a) Lack of atmosphere
(b) Lack of cloud
(c) Lack of oxygen and CO2
(d) None of these
Q10. On what principle was the atom bomb made?
(a) Nuclear Fusion
(b) Nuclear Spallation
(c) Nuclear Fission
(d) None Of These