When a 4V battery is connected across an unknown resistor there is a current of 100 mA .in the circuit. The value of the resistance of the resister is:

Question numbers 4(a) - 4(d) are based on the two tables given below. Study these tables related to blood sugar levels and answer the questions that follow.

(a) Refer to Table B showing the blood report of the levels of glucose of patients X and Y. Infer the disease which can be diagnosed from the given data.

(b) Identify the hormone whose level in the blood is responsible for the above disease.

(c) Which one of the following diets would you recommended to the affected patient?

i) High sugar and low fat diet.

ii) Low sugar and high protein diet.

iii) High Fat and low fiber diet.

iv) Low sugar and high fiber diet.

(d) Refer to the Table A and suggest the value of the mean blood glucose level beyond which doctor’s advice is necessary:

i) 180 mg/dL

ii) 115 mg/dL

iii) 50 mg/dL

iv) 80 mg/dL

When we enter a dark room coming from outside, immediately the things inside the room do not appear clear to our eyes. This is because

Unit of electric power may also be expressed as:

It was found that water from a river was contaminated with Coliform bacteria. Which one of the following pollutants might have got mixed with the water?