Questions Related to evs

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

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

  1. Ventricular diastole

  2. Ventricular systole

  3. Artial diastole

  4. Artial systole

Reveal answer Fill a bubble to check yourself
B Correct answer
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.

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

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

  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

Reveal answer Fill a bubble to check yourself
A Correct answer
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'.

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

Which of the following component is maximum in honey?

  1. Glucose

  2. Sucrose

  3. Ash

  4. Fructose

Reveal answer Fill a bubble to check yourself
D Correct answer
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'.
Multiple choice evs sources of food food of animals animal and their eating habit classification of animals on the basis of food

Milk and other milk products are obtained from 

  1. Buffaloes

  2. Cow

  3. Goat

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
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.

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

Oil/ghee can be extracted from

  1. Animal products

  2. Plant products

  3. Microorganism products

  4. Both A and B

Reveal answer Fill a bubble to check yourself
D Correct answer
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.

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

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

  1. First and second

  2. Second and first

  3. First and third

  4. Second and third

Reveal answer Fill a bubble to check yourself
B Correct answer
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.

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

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

  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.

Reveal answer Fill a bubble to check yourself
D Correct answer
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.