Science Applications in Daily Life

Human actions are leading to problems in our environment. We can certainly make a difference by changing our habits. There are three R's associated with this, what are these three R's?

The number of vultures is decreasing day by day and it is a matter of concern for the environment. Which category of animals does the vulture belong to?

One day, Sohan and Rohan finished their lunch very fast as they wanted to play football. After reaching the ground, they started to feel pain in their stomach. What could be the reason for the same?

Acid rain is causing lot of harm to our environment, especially to monuments and buildings like Taj Mahal. What are the main causes of that?

The ozone layer is depleting nowadays. It is a matter of concern for the environment as the ozone layer protects us from some harmful rays. Which type of rays does it protect us from?

In a class room, there are some students who were not able to read the material written on the blackboard. What might be the reason for this? If they are suffering from a problem, name it.

Radhika met with a serious accident and she was immediately rushed to the hospital. The doctor advised for the transfusion of the blood. Radhika's blood group is B. Which type of blood group can be transfused to Radhika, other than group B?

Meena is suffering from Anaemia because of which she gets tired very soon, her skin colour is turning pale and her haemoglobin content is also very low. Deficiency of which mineral causes this disease?

Government is advertising a lot nowadays so that young boys and girls do not engage in unprotected sexual activities to avoid sexual diseases and unwanted pregnancy. What kind of contraceptive methods are used to avoid pregnancy?

During a cricket match, a batsman hits the ball for six and a spectator was not aware that the ball is coming towards him. As it approaches towards him, he suddenly puts his hand and protects him from hitting. This action is known as reflex action. Which part of body controls this action?

Sometimes a body or some part of the body does not decompose properly and eventually hardens and retains the impression of the body part of that living creature. These types of traces help in studying the extinct creatures from the Earth. What are they called?

A baby girl was born in a village and her father starts accusing her wife for this. His accusation is wrong because it is the pair of chromosomes in males which decide the gender of the baby. Which pair of chromosomes is different in males and females?

Unicellular organisms like bacteria and protozoa split into equal halves during cell division. This type of reproduction is known as

Rohan's father never bothered to check the brand/contents of the salt he had purchased from the market. Rohan noticed that her sister had developed swollen neck. The doctor advised her to eat iodised salt. Name the disease from which Rohan's sister suffered.