General Science Class 7

The brightest star visible in the sky without a telescope is?

1. Altair
2. Aretonus
3. Regulus
4. Sirius

Light year is a unit of:

1. Light
2. Distance
3. Time
4. All of these

A light year is related to:

1. Time
2. Distance
3. Frequency
4. None

In which color the hottest stars are appeared?

1. Red
2. Blue
3. Dark
4. Green

A chemical process that changes vegetable oil into fat is called:

1. Combustion
2. Hydrogenation
3. Hydration
4. Neutralization

What is the normal value of blood pressure in the body?

1. 80 to 120mg/100 ml of blood
2. 70to 120mg/100 ml of blood
3. 60 to 120mg/100 ml of blood
4. 90 to 120mg/100 ml of blood

The following are common diseases of the respiratory system except?

1. Tuberculosis
2. Hepatitis
3. Asthma
4. Pneumonia

The stomach is like a___bag:

1. I-shaped
2. J-shaped
3. K-shaped
4. L-shaped

A form of energy which flows from a region of high temperature to a region of low temperature is known as?

1. Heat
2. Light
3. Sound
4. Work

A sphygmomanometer is used to check:

1. Blood pressure
2. White blood cells
3. Sugar level
4. None