Tag: evs

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Multiple choice evs production of food from animals contribution of louis pasteur discoveries by louis pasteur discovery of microorganisms

Exotic breeds ______________.

  1. Require specific environment

  2. Hardy

  3. Sturdy

  4. Takes less food
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Exotic breeds require specific environment. The exotic breads of cattle population are under intensive feeding system which consists of stall feeding in which the keeper has control over the diet composition. while the indigenous varieties are under an extensive feeding system where animals are let out for gazing. The keep a do not own control over the duet composition of the animals. The feeding of the cattle is to be carried on in scientific manna with special emphasis on the quality and quantity of fodder. Besides, stringent clean liner and hygiene are of hight importance while milling so that they can be maintained distance free.
Multiple choice evs production of food from animals contribution of louis pasteur discoveries by louis pasteur discovery of microorganisms

Zebu cattle is ______________.

  1. Water Buffalo

  2. Indian Buffalo

  3. Cow

  4. Sheep
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Zebu (Bos primigenius indicus or Bos indicus), sometimes known as humped cattle, indicus cattle, or brahmin cattle are just a type of domestic cattle originating in South Asia (the Indian subcontinent). They are characterised by a fatty hump on their shoulders, drooping ears and a large dewlap.

Multiple choice evs louis pasteur contribution of louis pasteur discoveries by louis pasteur discovery of microorganisms

Mark the incorrect statement:


a) Pasteurization inactivates some microbes
b) It destroys some organisms
c) Makes the milk tasty

  1. a, b

  2. b, c

  3. a, c

  4. All
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pasteurized milk can be consumed without boiling as it is free from harmful microbes. The milk is heated to about $700^{\circ}C$ for $15$ to $30$ seconds and then suddenly chilled and stored. By doing so, it prevents the growth of microbes. This process was discovered by Louis Pasteur. It is called pasteurization.

Multiple choice evs louis pasteur contribution of louis pasteur discoveries by louis pasteur discovery of microorganisms

The term antibiotic was coined by

  1. Edward Jenner

  2. Louis Pasteur

  3. Selman Waksman

  4. Alexander Fleming
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Waksman is credited with coining the term antibiotics, to describe compounds derived from other living organisms such as penicillin, though the term was first used by the French dermatologist François Henri Hallopeau, in 1871, to describe a substance opposed to the development of life

So, the correct answer is 'Selman Waksman'