Top 100 Important Everyday Science Mcqs Set-7

1- Which acid is produced when milk gets sour?

A. Acetic acid
B. Tartaric acid
C. Lactic acid
D. Butyric acid

Answer : C. Lactic acid

2- The deficiency of which vitamin causes anemia?

A. Vitamin B6
B. Vitamin B1
C. Vitamin D
D. Vitamin B12

Answer : D. Vitamin B12

3- Which of the following vitamins is synthesized in the body by intestinal bacteria?

A. Vitamin D
B. Vitamin K
C. Vitamin B4
D. Vitamin B1 

Answer : B. Vitamin K

4- What is the importance of roughage in our diet?
1. It helps in retaining water in the body
2. It is necessary for normal functioning of the liver
3. It adds bulk to the food and prevents constipation.

A. 1 and 2 
B. 2 and 3
C. 1,2 and 3
D. 1 and 3

Answer : D. 1 and 3

5- Fluorine is present in:

A. Sea food
B. Common salt 
C. Drinking water
D. Green vegetables

Answer : C. Drinking water

6- Urine of a diabetes patient contains more than average quantity of which of the following?

A. Sugar
B. Cheese
C. Uric acid
D. Albumin

Answer : A. Sugar

7- Which of the following does not provide carbohydrates?

A. Fish
B. Cheese
C. Butter
D. Spinach

Answer : A. Fish

8- Which of the following vegetable oils does not contain essential fatty acids?

A. Sunflower oil 
B. Mustard oil 
C. Coconut oil 
D. Groundnut oil

Answer : C. Coconut oil

9- Which of the following vitamins can be synthesized by our body?
1. Vitamin B6 2. Vitamin D 3. Vitamin E 4. Vitamin K

A. 1 and 2 
B. 2 and 4
C. 1 and 4 
D. 1 and 3

Answer : B. 2 and 4

10- The deficiency of vitamin B2 may lead to which of the following?

A. Cataract
B. Diarrhoea
C. Night blindness
D. Osteomalacia

Answer : A. Cataract

11- "It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries, and the fight against it may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the war against ......" The disease referred to in the above quotation is:

A. AIDS
B. Cancer
C. Tuberculosis
D. Alzheimer’s disease

Answer : B. Cancer

12- The vector of virus causing dengue fever is spread by:

A. Mosquito
B. Housefly
C. Sand fly 
D. None of these 

Answer : A. Mosquito

13- Which of the following does not belong to the group of vitamin B complex?

A. Retinol
B. Thiamine
C. Riboflavin
D. Folic acid

Answer : A. Retinol

14- Which nutrients are most likely to be affected by food processing and storage?

A. Proteins
B. Vitamins
C. Fats
D. Carbohydrates

Answer : B. Vitamins

15- Cyanide acts as a poison by directly affecting the:

A. Brain
B. Nervous system 
C. Affinity of blood for oxygen
D. Cardiac and respiratory system 

Answer : C. Affinity of blood for oxygen

16- Which of the following diseases is regarded as most fatal?

A. Typhoid
B. Leukemia
C. Yellow fever 
D. Tuberculosis

Answer : B. Leukemia

17- Which of the following vitamins is considered helpful to keep the eyes healthy?

A. Vitamin A
B. Vitamin C 
C. Vitamin E
D. Vitamin B complex 

Answer : A. Vitamin A

18- What are the reagents used to show presence of protein in foodstuff?

A. Nitric acid and common salt 
B. Hydrochloric acid and sugar 
C. Ammonium hydroxide and sugar 
D. Nitric acid and ammonium hydroxide

Answer : D. Nitric acid and ammonium hydroxide

19- A form of heart disease in which blood supply to the heart is inadequate is known as:

A. Hepatitis
B. Alopecia
C. Angina
D. Pericarditis

Answer : C. Angina

20- Antacids cure:

A. Headaches
B. Stomach aches
C. Asthma
D. Hormone deficiency

Answer : B. Stomach aches

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