MCQs On Health And Hygiene: Solved MCQs

Ans: (b) 7th April.

Explanation: World Health Day is celebrated every year on the 7th of April. It is an initiative taken by the World Health Organization (WHO) to raise awareness about the health and well-being of people all over the world.

Ans: (b) Personal hygiene.

Explanation: Personal hygiene is realated with your daily routine and how you care for your body. This includes health and hygeine habits such as bathing, brushing your teeth, washing hands before and after meals, sanitizing, etc. Therefore, personal hygiene helps in preventing illness to oneself and the people around you.

Ans: (c) Eating without washing hands.

Explanation: Eating without washing hands is the common unhealthy habits among all the bad habits which also includes health and hygiene. One should always wash hands on a frequent basis so as to keep germs or bacteria away from our palms. 

Ans: (d) All of the above.

Explanation: Measles, dengue, and AIDS are diseases caused by virus. 

• Measles: In this, the body of the person gets warm and the skin gets covered in small red spots.
• Dengue: It is a viral infection caused to humans due to the bite of a mosquito named Aedes aegypti.
• AIDS: AIDS or acquired immunodeficiency syndrome is a viral disease in which patient’s immune system is attacked severely.

NOTE: Viral infections are defined as a disease or infection caused by virus, a microscopic pathogen that requires host (living organism) to divide.

Ans: (b) Typhoid.

Explanation: Typhoid fever is an bacterial infection caused by the intake of contaminated food and water. It is caused by Salmonella typhi bacteria. The symptoms of typhoid mainly include diarrhoea, vomiting, and high fever. Though, by maintaing proper health and hygeine, patients recover on their own in the initial stage of infection. If not, then it can be treated by taking antibiotics.

Ans: (a) Sharing drug needles.

Explanation: one of the most overlooked reason for the transmission of the Hepatitis virus is the reuse or sharing of drug needles. A needle once used for one single dose should be disposed of quickly and properly.

NOTE: Hepatitis is a viral infection in which the liver gets inflamed and damaged.

Ans: (a) only (1) contamination is caused by the entry of germs into drinking water or edible food.

Explanation: Contamination can be defined as a mixture of things into a substance of pure form. Contamination of water and food are the most common cause of spread of various infections and diseases. For e.g., diarrhoea is food-borne disease in which infection is caused due to contamination of food.

Ans: (c) Poliomyelitis

Explanation: Poliomyelitis can be considered as the most life-threatening disease caused by viruses. It is caused due to poliovirus. The virus is contagious in nature and spreads quickly. The target site of the polio virus is the person's spinal cord, resulting in paralysis. It can be treated with Inactivated polio vaccine (IPV).

Ans: (d) All (1), (2), (3), and (4).

Explanation: The vital cause for acquiring any infection or disease is due to improper hygiene, intake of contaminated food, and air, and in other cases, person getting in contact with the blood and bodily fluids of an ill person. With proper awareness, health and hygiene, one can prevent being affected by contagious diseases.

Ans: (d) All of the above.

Explanation: The most common and vital factor for a healthy person is his/her personal care. Personal care may include a balanced diet, Vaccination, hygiene, using masks and others.

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Ans: (b) Only (1)

Explanation: The nutrient deficiency is associated with various diseases in living organisms. The most common nutrient deficiency diseases in humans are Scurvy, Rickets, Hypocalcemia, Beriberi, etc. One should always take food enriched in vitamins, fats, carbohydrates, proteins, and minerals. 

Ans: (c) Both of (a) and (b).

Explanation: There are other living things in the atmosphere which can be seen through a microscope only and they are bacteria and germs.

• Bacteria are small single-celled organisms. These are present all across the earth and some bacteria and good for health and some are bad.
• A germ is a microorganism that causes diseases. It can refer to fungi, viruses, microscopic bacteria, etc.

Ans: (d) All of these.

Explanation: Germs are microorganisms present all around the Earth. They are often called as disease-causing-agents or pathogens. These include protozoa, microscopic bacteria, and others. One should frequently wash hands and sanitize before and after taking food.

Ans: (c) cavities

Explanation: Cavities are the basically a type of damge in the tooth in which the hard surface of teeth gets damaged and tiny holes are developed. It is also called tooth decay or caries.

• One should brush twice a day to prevent the foul smell released from the mouth.
• The cavities can be developed due to the continuous accumulation of germs.
• The intake of sweets, desserts, and other sticky things in the mouth can also contribute to cavities formation.

Ans: (b) Vitamin K.

Explanation: Vitamin K is a fat-soluble vitamin found in food and marketed as a dietary supplement. The presence of Vitamin K in the body helps in the coagulation of blood and also for controlling the binding of calcium in bones and other tissues. A deficiency of Vitamin K can lead to Osteoporosis, significant bleeding, etc.

Ans: (d) Minerals.

Explanation: Minerals are the essential elements present on Earth and in our bodies that are needed for the development of the body and its proper functioning of it. Some of the minerals are calcium, sodium, phosphorous, magnesium, iron, zinc, etc.

Ans: (d) Vitamin D

Explanation: Our body prepares vitamin D in the presence of sunlight. The deficiency of Vitamin D can lead to a disease known as rickets which makes the bones weak. 

Ans: (b) 3,500 calories per day

Explanation: A balanced diet gives the human body the nutrients needed to function correctly. It should ideally provide about 3500 calories per day.

Ans: (b) Vitamin B1

Explanation: B vitamins play an important role in the proper functioning of processes in the nerves and brain. It nourishes nerve cells.

Ans: (b) False

Explanation: According to World Health Organization, health is a state of complete physical, mental and social well-being, not just the absence of disease.