Life Processes In Living Organisms

Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes this condition?

How do most insects respire?

What is the name of the vessel that delivers the nutrient! Rich blood from the stomach and small intestine to the liver?

Assertion (A): All the proteins in our food are digested in small intestine only.

Reason (R): The protein-digesting enzyme from pancreas are released into small intestine.

With reference to the work of human kidney, consider the following statements

Which of these Statements is/are correct?

With reference to the blood in a normal person, which one of the following statements is correct?

A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which. One of the blood groups mentioned below and readily available in the hospital will be safe for transfusion?

At which stage in its life­cycle does the silkworm yield the fibre of commerce?

The complete conversion of glucose, in the presence of oxygen, into carbon dioxide and water with release of energy is called.

Arteries supplying blood to the heart are called

Oxygen transportation in a human body takes place through

1. Blood
2. Lungs
3. Tissue.

The correct sequence of transportation is

Which of the following would lead to malnutrition?

Select the correct answer by using the codes given below

Codes: