Tag: biology

Quizzes (1160) Questions (12174)

Questions Related to biology

Multiple choice biology food and health adulteration of food food adulteration food and human health

Which of the following is the quality controlling agency of processed fruits and vegetables?

  1. ISI

  2. AGMARK

  3. FPO

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

Fruit product order (FPO) is the quality controlling agency that gives the certification mark to all processed fruits and vegetables. It gives an assurance of good quality of food items. It follows the rules of food safety and standards act. Thus, the correct option is C.

Multiple choice biology food and health adulteration of food food adulteration food and human health

Smoked foods are not favoured now because of the possible toxicity of

  1. Benzpyrene

  2. Nitrogen oxides

  3. Sulphur dioxide

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

Benzopyrene is the polycyclic aromatic hydrocarbon that is released upon the incomplete combustion of the organic matter. It is found in cigarette smoke, coal tar, smoked and grilled food etc. The consumption of such foods causes toxicity on the blood.

A. Benzopyrene is the toxic hydrocarbon in smoked food.
B. Nitrogen oxide is released from the fertilizer factories, vehicular exhausts and industrial emission.
C. Sulphur dioxide is released from the smelting facilities, vehicles and industries.
Hence, the correct answer is 'Benzopyrene'.

Multiple choice biology food and health adulteration of food food adulteration food and human health

The adulterant used in turmeric powder is

  1. Tamarind seed powder

  2. Yellow saw dust

  3. Talcum powder

  4. Metanil powder
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Turmeric can be adulterated by metanil yellow. Metanil yellow is prepared using some basic raw materials like metanilic acid and diphenylamine. Metanil yellow is a principal non-permitted food colour used extensively in India. The effect of long-term consumption of metanil yellow on the developing and adult brain causes neurotoxicity. 

Therefore, the correct answer is option D.

Multiple choice biology food and health adulteration of food food adulteration food and human health

"The prevention of food adulteration act" was promulgated in

  1. 1954

  2. 1957

  3. 1964

  4. 1967
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Adulteration is the process of mixing the food products with some unwanted materials which have no nutritional value and decrease the value of the food. It is necessary to prevent adulteration of food in order to provide the people with proper nutrition. The law or act was passed to prevent adulteration of food as The prevention of food adulteration act. This act was enacted in the year 1954. 

Thus, the correct answer is option A. 

Multiple choice biology food and health adulteration of food food adulteration food and human health
Recently in the news there was an awareness programme about low quality and adulterated food products.
(i) What adulterants can be present in food products like (a) sweet (b) honey (c) sugar (d) ghee?
(ii) What measure has been taken by the government to overcome this?

  1. (i) (a) - metanil yellow, (b) - jaggery, (c) - chalk powder, (d) - boiled bones of cows and pigs;
    (ii) Prevention of Food Adulteration Act.

  2. (i) (a) - sugar, (b) - chalk powder, (c) - chicory, (d) - white powder;

    (ii) Food Safety Act.

  3. (i) (a) - argomone seeds, (b) - metanil yellow, (c) - water, (d) - vanaspathi;

    (ii) Food Protection Act.

  4. (i) (a) - metanil yellow, (b) - sugar, (c) - sawdust, (d) - vanaspathi;

    (ii) Prevention of Food Adulteration Act.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A- i) Sweets are contaminated with starch and a dye known as metanil yellow. ii) Honey is contaminated with water and sugar. iii) Sugar is contaminated with sawdust,white powder, etc. iv) Ghee is contaminated with vanaspati. v) "Prevention of Food Adulteration Act, 1954" was enacted by the government of India. The objective of this act was to ensure pure and wholesome food to the consumers and also to prevent fraud or deception .                                                     

Multiple choice biology food and health adulteration of food food adulteration food and human health

What was the cause of 'Yusho' disease which occurred in 1968 form a leak in 1968 canning factory? 

  1. DBCP

  2. PCB

  3. Formaldehyde

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

In 1968, a mixture of dioxins and polychlorinated biphenyl (PCBs) got into rice bran oil by accidental leakage at the rice oil producing Kanemi Company on February 7-15 produced in northern Kyushu. Contaminated cooking oil sickened more than 1860 people. The symptoms were called Yusho disease. 

Multiple choice biology the leaf plant adaptation and modification leaves leaf modification

In some __, the leaf base may become swollen and is called as __.

  1. monocots, sheathing leaf base

  2. legumes, pulvinus

  3. legumes, sheathing leaf base

  4. monocots, pulvinus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Some plants are characterized by well-developed pulvini, small swelling at the base of the leaves, on the shoots. These leaves are individually attached, flattened and helically arranged. Pulvinus facilitates growth independent movement and is common in members of Fabaceae family.

So, the correct answer is " legumes, pulvinus ".

Multiple choice biology the leaf plant adaptation and modification leaves leaf modification

Leaves are modified for storage of food in

  1. Tridax

  2. Pea

  3. Onion

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

A) Tridex is the flowering plant that belongs to family Asteraceae.

B) Onion is the modified leaves that become fleshy due to storage of water, mucilage and food materials.
C) Pea and beans are the legume plants that fix atmospheric nitrogen.
So, the correct option is 'Onion'.

Multiple choice biology the leaf plant adaptation and modification leaves leaf modification

The edible portion in a fresh onion comprises-

  1. modified leaves

  2. buds and leaf bases

  3. swollen stem

  4. disc-like stem
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The onion is an underground stem. It is a stem modification thta gets modified to store food. There is a disc-like a stem which makes up e edible part of the onion. It is called a bulb.

So, the correct option is 'disc-like stem'

Multiple choice biology the leaf plant adaptation and modification leaves leaf modification

The tendril of sweet pea plant is modified 

  1. Auxiliary bud

  2. Stipule

  3. Terminal leaflet of compound leaf

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

The tendril of sweet pea is a modification of the terminal leaflet of the leaf into a slender wiry and coiled structure that helps in support of the plant.

So the correct option is 'Terminal leaflet of compound leaf'