Question 1

Which is an example of an endothermic reaction?

Accepted Answer

A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction. Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,... In the contrast, chemical reactions involving release of heat are known as exothermic reactions. Examples : Combustion, coal is burnt, mix of CaO with water,...

Question 2

Glucose is stored in the human body as

Accepted Answer

Glucose stored in the form of glycogen in human bodies in the liver and muscles. Excess glycogen is stored as fat cells as liver can store a limited amount of glucose as glycogen.

Question 3

Which is an example of a physical change?

Accepted Answer

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.

Question 4

Cartography is the science of

Accepted Answer

Cartography is the science which deals with the study and practice of making maps.

Question 5

From where do most producers get energy?

Accepted Answer

Most producers use sun light for making their energy in the process of photosynthesis. The energy they prepared is sugar and glucose.

Question 6

Metal present in haemoglobin?

Accepted Answer

Haemoglobin is a protein what carries oxygen in the blood and contains iron metal in it.

Question 7

A push or pull on an object is called

Accepted Answer

The push or pull on an object that causes it to move or stop or change direction is called as Force.

Question 8

What is the major source of dietary sulfur?

Accepted Answer

Protein cantaining foods are the major source of dietary sulfur. Foods like eggs are rich in sulfur content.

Question 9

Exercise frequency refers to

Accepted Answer

Exercise frequency refers to number of times you exercise per week.

Question 10

Which macronutrient is vital for every function of the body?

Accepted Answer

The macronutrient water is the most essential nutrient which plays a vital role in every function of the body. Macronutrients are those nutrients that are required in excess amounts for the development and functioning of the body.

Question 11

Which fat is good Saturated or Unsaturated?

Accepted Answer

Unsaturated fats are good fats that lowers cholesterol levels and risk of heart attack.

Question 12

The atmosphere is unaffected by changes in the geosphere.

Accepted Answer

True, the given statement that the atmosphere is unaffected by changes in the geosphere.

Question 13

Primary productivity is not limited by

Accepted Answer

Primary productivity refers to plants that make their own food using sunlight, water and availability of nutrients. Hence, they are not limited by time.

General Science Questions