Collection of verified questions for Ooshma Avam Ooshma Gatiki under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
The maximum temperature inside a pressure cooker will depend on -
When a bottle is filled with water and allowed to freeze, the bottle breaks because -
Food cooks in less time in a pressure cooker because -
Fruits stored in a cold chamber exhibit longer storage life because -
Food cooks faster in a pressure cooker because -
Consider the following statements - 1. The amount of heat in steam at 100°C and boiling water at 100°C is identical. 2. The latent heat of fusion of ice is equal to the latent heat of vaporization of water. 3. In an air conditioner, heat is extracted at the evaporator coils and released at the condenser coils. Which of these statements is/are correct?
What change will occur in the volume of water if its temperature is lowered from 9°C to 3°C?
When water is heated from 0°C to 10°C, its volume -
Overcast nights are warmer than clear nights because -
When an ice cube floating in a glass of water melts, the water level -
Cloudy nights are warmer compared to clear, cloudless nights because clouds -
In summer, humid heat (muggy heat) is experienced when the weather is -
If the volume of a gas at 27°C is compressed to half its initial volume, to what temperature must it be heated (at constant pressure) to regain its original volume?
By keeping the door of a refrigerator open inside a closed room -
The atmosphere exerts tremendous pressure on us, but we do not feel it because -
Arid/dry conditions refer to -
Food is cooked rapidly in a pressure cooker because -
Assertion (A): With an increase in temperature, the viscosity of glycerin increases. Reason (R): An increase in temperature increases the kinetic energy of molecules. Code:
In a pressure cooker, the temperature at which food is cooked depends mainly on which of the following? 1. Area of the hole in the lid 2. Temperature of the flame 3. Weight of the lid / valve Select the correct answer using the code given below:
Which of the following reflects the highest percentage of sunlight compared to the other three?
Assertion (A): Woolen garments keep us warm. Reason (R): Woolen fibres are made of a special protein which is a bad conductor of heat. Select the correct answer from the code given below:
A polythene balloon filled with hydrogen is released from the ground. As it ascends to high altitudes in the atmosphere -
Food cooks faster in a pressure cooker because -
Given below are an Assertion (A) and Reason (R) - Assertion (A): The handle of a pressure cooker is made of ebonite. Reason (R): Ebonite is strong. Which of the following is the correct answer?
A corked bottle full of water breaks when frozen because -