Tag: biology

Questions Related to biology

Select the correct pair of food items and its adulterants.

  1. Ghee- vanaspati

  2. Mustard- kesari dal

  3. Turmeric powder- iron filings

  4. Ice cream- sugar syrup


Correct Option: A
Explanation:
Adulteration is a process of mixing undesirable and inferior materials in food. The material or substance which is added to food is called as adulterants. Adulterated food is impure, unsafe, or unwholesome food. Ghee is generally adulterated with the cheap substitute, vanaspati. Mustard seeds are adulterated with argemone seeds. Turmeric powder is adulterated with aniline dye or metanil yellow colour. Ice creams are generally adulterated with washing powder.
Thus, the correct answer is option A.

Which of the following is the quality controlling agencies?

  1. ISI

  2. AGMARK

  3. FPO

  4. All of the above


Correct Option: D
Explanation:

There are various agencies which are formed to prevent the adulteration of the food as well as to control the quality of the food products. ISI stands for the Indian Standard Institute. This institute allows the products to be standardized and have the ISI mark. ISI mark is for authentication of good quality domestic use products. AGMARK is the certification of good quality agricultural products. FPO is the mark for all processed fruit products which are sold in India. These marks assure good quality and the food has been checked and standards have been maintained.

Thus, the correct answer is option D. 

A preservative which can cause reaction in asthmatics, allergy and hyperactivity in children is____________.

  1. Sodium benzoate

  2. Sodium metabisulphite

  3. Garboxy-methyl cellulose

  4. Both A and B


Correct Option: D

Dropsy : Argemone oil :: ............. : Minamata

  1. Methyl cyanide

  2. Methyl bromide

  3. Methyl chloride

  4. Methyl mercury


Correct Option: D
Explanation:
  • Dropsy is the condition which is caused by the consumption of the cooking oil adulterated with argemone oil. The disease is represented by gastrointestinal problems and swelling of the body. 
  • Minamata disease is caused due to the consumption of the fishes which was contaminated with methyl mercury released in the water bodies as a waste from the industries. 
  • The fishes died due to mercury accumulation and people suffered from mercury poisoning after the consumption of the fishes. 
  • Thus, the correct answer is option D. 

Argemone oil in mustard oil can cause

  1. Cancer

  2. Paralysis

  3. Blindness

  4. Typhoid


Correct Option: B
Explanation:
Adulteration is a process of mixing undesirable and inferior materials in food. The material or substance which is added to food is called as adulterants. Adulterated food is impure, unsafe, or unwholesome food. Mustard oil is adulterated with argemone oil. The adverse effect of administrating a large amount of argemone oil include nervous debility, paralysis, and even death if untreated.
Thus, the correct answer is option B.

The another name of ISI is 

  1. Bureau of Indian standard

  2. Food product orders

  3. Food and public distribution

  4. None of the above


Correct Option: A
Explanation:
ISI means Indian Standards Institute. Another name of ISI is Bureau of Indian Standards. It is a certification symbol given to the industrial products for selling it in India. The symbol is applied to electrical products, LPG products etc. So, the correct option is A.

AGMARK deals with adulteration of which food products?

  1. Ghee

  2. Cooking oil

  3. Wheat flour

  4. All of the above


Correct Option: D

Select the correct pair of adulterants and diseases caused by them.

  1. Kesari dal- cancer

  2. Chalk powder- glucoma

  3. Tapioca powder- diarrhoea

  4. Argemone oil- ulcer


Correct Option: A
Explanation:

Adulteration is a process of mixing undesirable and inferior materials in food. The material or substance which is added to food is called as adulterants. Kesari dal is used as an adulterant in pulses and besan. Kesari dal has dangerous effects on the health including paralysis and cancer. 

Thus, the correct answer is option A.

Which of the following is the best way to prevent adulteration?

  1. Sale of kesari gram should be prohibited.

  2. The addition of artificial sweetener should be mentioned on the label.

  3. Use of more than one type of chemical preservative should be prohibited

  4. All of the above


Correct Option: D
Explanation:
Food adulteration is the mixing of toxic substances in a food item that reduces the nutritional value of the food. Adulterated food is not good for health. Adulteration is done by the sellers to get economic profit. Sometimes adulteration happens unintentionally in the lack of knowledge. Some rules are made under the food adulteration act to prevent the adulteration. For example, adulteration of metanil yellow or khesari dal in arhar dal is prohibited because it causes paralysis. Artificial sweetener is used as adulterant which gives less energy than the natural sugar. Adding more than one type of chemical preservative is banned because some additives have more than one effect. When the additives come in contact, they may react with each other. So, the correct option is D.

The adulterant of turmeric powder is

  1. Chalk powder

  2. Metanil yellow

  3. Saw dust

  4. Sand


Correct Option: B
Explanation:
Adulteration is a process of mixing undesirable and inferior materials in food. The material or substance which is added to food is called as adulterants. Adulterated food is impure, unsafe, or unwholesome food. Turmeric powder is mostly adulterated with metanil yellow. 
Thus, the correct answer is option B.