Tag: zoology

Quizzes (289) Questions (5869)

Questions Related to zoology

Multiple choice zoology introduction to microbiology commercial use of microorganism microbes in household and industry microbial products - food, medicines and industrial products food production and microorganisms

Bacteria responsible for fermentation of dairy milk are

  1. Lactobacillus

  2. Hay Bacillus

  3. Acetobacter

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

The most common bacteria responsible for fermentation of dairy milk are Lactobacillus species. Bacteria like Lactococcus and Leuconostoc are also used in production of fermented milk products. Lactobacillus produce lactic acid from lactose by the process of glucose fermentation. This also increases acidity and sours and thickens the milk.

Thus, the correct answer is 'Lactobacillus.'

Multiple choice zoology micro - organisms: a wonderful world commercial use of microorganism microbes in household and industry microbial products - food, medicines and industrial products

The fermenting agent of dosa and idli is

  1. Saccharomyces cerevisiae

  2. Leuconostoc mesenteroides

  3. Streptococcus faecalis

  4. Both B and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The fermentation of Idli and Dosa batter is a complex process involving multiple lactic acid bacteria, including Leuconostoc mesenteroides and Streptococcus faecalis.

Multiple choice zoology micro - organisms: a wonderful world commercial use of microorganism microbes in household and industry microbial products - food, medicines and industrial products

Which one is not used in the production of Yoghurt?

  1. Streptococcus lactis

  2. Streptococcus thermophilus

  3. Lactobacillus bulgaricus

  4. Acetobacter aceti
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yoghurt are produced from cultures of Lactobacillus and Streptococcus.Acetobacter aceti has no role in production of yoghurt.

Correct answer-D

Multiple choice zoology micro - organisms: a wonderful world commercial use of microorganism microbes in household and industry microbial products - food, medicines and industrial products

Which group is responsible for formation and flavour of yogurt?

  1. Bacillus megathermus and Xanthomonas sp.

  2. Bacillus subtilis and E.coli

  3. Rhizobium meliloti and Azotobacter

  4. Lactobacillus casei and Streptococcus thermophilus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lactobacillus and Streptococcus that are capable of lactic acid fermentation are used in the flavouring of yogurt.

Correct answer-D

Multiple choice zoology microbes in human welfare commercial use of microorganism microbes in household and industry microbial products - food, medicines and industrial products

Smack is chemically?

  1. Diacetyl morphine

  2. Diethyl morphine

  3. Ethyl alcohol
  4. $3-4$ Diacetylmorphine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Smack is one of the street names of heroin which is chemically diacetylmorphine. It is generally produced by the acetylation of crude morphine and is a narcotic analgesic that is used in the treatment of severe pain. Illicit heroin may be smoked or solubilised with a weak acid and then injected.

So, the correct answer is 'Diacetylmorphine'.
Multiple choice zoology micro - organisms: a wonderful world commercial use of microorganism microbes in household and industry microbial products - food, medicines and industrial products

Large holes in Swiss cheese are formed due to production of a large amount of ${CO} _{2}$ by

  1. Propionebacterium

  2. Mycobacterium

  3. Saccharomyces

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

Propionibacterium Sharmani or P.Sharmani is the bacterium used for the production of a large amount of CO2 for making large holes in cheese.

so, the correct option is 'Propionibacterium'.

Multiple choice zoology allergy immunity related disorders and problems antibody production and vaccination biotechnology

Which one of the following, diseases is due to an allergic reaction?

  1. Enteric fever

  2. Hay fever

  3. Skin cancer

  4. Goitre
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hay fever or allergic rhinitis is the allergic response caused by the hypersensitivity of dust, mites, animal fur or hairs. It is characterized by the running nose, sneezing and watery, itchy eyes. Whereas enteric fever is caused by the bacteria, Skin cancer is caused by harmful radiation i.e., UV rays and Goiter is the metabolic disorder. Thus, the correct answer is option B.

Multiple choice zoology allergy immunity related disorders and problems antibody production and vaccination biotechnology

The primary treatment of anaphylaxis is the application of

  1. Epinephrine injection.

  2. Glucagon injection.

  3. Insulin injection.

  4. Both B and C.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A- Anaphylaxis is a rapid, severe and generalized allergic reaction which may lead to death. Prompt administration of epinephrine injection can be life-saving. Timely administration of epinephrine injection decreases hospitalizations and mortality. 

Multiple choice zoology allergy immunity related disorders and problems antibody production and vaccination biotechnology

Anaphylactic shock is caused due to the release of which of the following hormone?

  1. Adrenalin

  2. Histamine

  3. Glucagon

  4. Somatostatin
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Histamines are the inflammatory substances which are released by the mast cells and basophils during the allergic reactions. The excessive release of histamine may result in anaphylactic shock. Anaphylaxis is a type of severe allergic reaction which can result in the death of the person. Antihistamines are used for the treatment and cure of the allergic reactions.

Thus, the correct answer is option B.