Tag: evs

Questions Related to evs

"Lubb" sound produced during heart beat is caused by :

evs circulation of blood blood transfusion transfusion of blood blood and organ donation

  1. Ventricular diastole

  2. Ventricular systole

  3. Artial diastole

  4. Artial systole

Show answer
Correct Option: B
Explanation:

There are four heart sounds, each corresponding to a particular event in the cardiac cycle. The first two are most easily distinguished, and sound through the stethoscope like 'lubb dup'. The first sound, 'lubb', is fairly loud and is due to the closure of the atrioventricular valves. This closure corresponds with the start of the Ventricular systole.

So, the answer is B.

The source of rice and other foodgrains is

evs sources of food food of animals animal and their eating habit classification of animals on the basis of food

  1. Plant

  2. Animal

  3. Both A and B

  4. None of the above

Show answer
Correct Option: A

The most energy-efficient method to feed large human populations such as in China is to eat:

evs sources of food food of animals animal and their eating habit classification of animals on the basis of food

  1. mostly rice and vegetables with little meat

  2. large amounts of meat with few vegetables

  3. large amounts of fish with little rice

  4. None of these

Show answer
Correct Option: A
Explanation:

Inorder to feed a largely populated country like China, the food resources should be easily cultivated and nutritionally rich. 

Rearing large amount of meat requires large amount of fodder accordinh to the liendmans 10% percent energy law.
Rice can be easily cultivated and is rich is carbohydrates and can be genitically manipulated to increase nutritional value like vitamin A.
So, the correct option is 'mostly rice and vegetables with little meat'.

Which of the following component is maximum in honey?

evs sources of food food of animals animal and their eating habit classification of animals on the basis of food

  1. Glucose

  2. Sucrose

  3. Ash

  4. Fructose

Show answer
Correct Option: D
Explanation:
About 82% of honey is formed of carbohydrates.  Of it the composition is mostly of the monosaccharides fructose (38.2%) and glucose (31.3%), and disaccharides are approximately around 9%. About 4.2% oligosaccharides are also present.
So, the correct option is 'Fructose'.

Milk and other milk products are obtained from 

evs sources of food food of animals animal and their eating habit classification of animals on the basis of food

  1. Buffaloes

  2. Cow

  3. Goat

  4. All of the above

Show answer
Correct Option: D
Explanation:

 Breeds which have the higher capacity for milk production are called milch breeds. The milk producing female livestock animals are called as dairy animals or milch animals e.g., cows, buffaloes, goat and sheep. Thus, the correct answer is option D.

Oil/ghee can be extracted from

evs sources of food food of animals animal and their eating habit classification of animals on the basis of food

  1. Animal products

  2. Plant products

  3. Microorganism products 

  4. Both A and B

Show answer
Correct Option: D
Explanation:

Oil/ ghee can be extracted from both animal products and plant products. Ghee is prepared from boiling and clarifying the milk fat. Hence, it is extracted from an animal source. Vegetable oils are extracted from various seeds like groundnut, soybean and flowers like sunflower of plants. Hence, it is extracted from a plant source. 

Thus, the correct answer is option D.

Meat and pork are obtained from 

evs sources of food food of animals animal and their eating habit classification of animals on the basis of food

  1. Plant sources

  2. Animal sources

  3. Both A and B

  4. None of the above

Show answer
Correct Option: B

A ........ degree burn is much more severe and painful than a .......... degree burn.

evs safety and first aid antibiotics and their uses common health care methods first aid

  1. First and second 

  2. Second and first 

  3. First and third

  4. Second and third 

Show answer
Correct Option: B
Explanation:

A second-degree burn is much more severe and painful than a first-degree burn. In such burns, the burnt area is moist and is red to slightly whitish in colour. There is a blister formation in the affected area. Thus, the correct answer is option B.

In case some poisonous substance has been swallowed, make the patient drink __________.

evs safety and first aid antibiotics and their uses common health care methods first aid

  1. Salt water

  2. Sugar solution

  3. Plain water

  4. None of the above

Show answer
Correct Option: A
Explanation:

 As salt water causes exocytosis that removes the poison from the body cells.

You are caring a victim with a burned hand. Put the hand in cool water if 

evs safety and first aid antibiotics and their uses common health care methods first aid

  1. The burns are very deep

  2. There are burns with open blisters

  3. The burns are minor with no open blisters.

  4. You should put the hand in cool water for all of the above.

Show answer
Correct Option: D
Explanation:

Cool the burn to help soothe the pain. Hold the burned area under cool (not cold) running water for 10 to 15 minutes or until the pain eases. Running cold tap water over accidental burns and scalds is advisable as it cools the skin and prevents blistering.