List of top Food Technology Questions asked in GATE Life Sciences

Which of the following enzymes is/are used for the production of high fructose syrup (HFS) from corn starch?

Which of the following steps in food processing is/are used to reduce the acrylamide formation in food products?

A 10 kg tomato pulp is concentrated from an initial moisture content of 90% (wet weight basis) to 35% (wet weight basis). The weight of the concentrate in kg is_____(round off to 2 decimal places).

Which of the following statements is/are true?

The addition of which of the following to high-methoxyl pectin will result in gel formation?

Which one of the following absorbents is NOT used as an ethylene absorber in active packaging of fruits and vegetables?

The product of cabbage fermentation by Leuconostoc mesenteroides is

Which one of the following statements regarding moisture sorption isotherms of a dried food is NOT correct?

Processing of fluid milk at 72 °C for 15 seconds is termed as

Under standard conditions in animal feeding studies, the weight gained (in grams) per gram of protein consumed by an animal is termed as

Which one of the following steps is used to remove phosphatides from crude oil in the refining process?

The unique flavor of chocolate and cocoa is due to the formation of

Which one of the following statements regarding Hazard Analysis Critical Control Point (HACCP) plan is NOT correct?

Urease enzyme catalyzes the conversion of urea into ammonia and carbon dioxide. Which one of the following organisms expresses urease enzyme?

A landfill sample was analyzed by dilution and plating techniques for viable bacterial count. When one gram of the landfill sample was diluted \(1 \times 10^{-4}\) (w/v), it yielded 400 CFU. The viable bacterial count (in millions, rounded off to the nearest integer) in one gram of the landfill sample is ___.

Which of the following cocci is/are examples of division in one plane

Identify the CORRECT combination(s) between the enzymes in Group 1 and the reactions in Group 2 they catalyze.

Group 1		Group 2
(P)	Cinnamate-4-hydroxylase	(i)	L-phenylalanine → Cinnamic acid
(Q)	Glycerate kinase	(ii)	Glyceraldehyde 3-phosphate → dihydroxyacetone phosphate
(R)	PEP carboxylase	(iii)	Glycolate + O\(_2\) → Glyoxylate + H\(_2\)O\(_2\)
(S)	Nitrate reductase	(iv)	NO\(_3^-\) + NAD(P)H + H\(^+\) → NO\(_2^-\) + NAD(P)\(^+\) + H\(_2\)O

Identify the CORRECT combination(s) of plant natural products and the categories they belong to.

Match the plant products in Group 1 with the plant species in Group 2 that produce them and the respective plant parts in Group 3 where they accumulate the most.

Group 1		Group 2
(P)	Net primary productivity	(i)	Total amount of produced by autotrophs energy
(Q)	Gross primary productivity	(ii)	A type of mutualism where one species is  benefitted more than the other
(R)	Net productivity	(iii)	Amount of energy stored by autotrophs after respiration
(S)	Secondary productivity	(iv)	Unused amount of energy after consumption by heterotrophs

Match the plant products in Group 1 with the plant species in Group 2 that produce them and the respective plant parts in Group 3 where they accumulate the most.

Group 1		Group 2		Group 3
(P)	Liquorice	(i)	Cinchona calisaya	(a)	Leaf
(Q)	Quinine	(ii)	Lawsonia inermis	(b)	Root
(R)	Henna	(iii)	Glycyrriza glabra	(c)	Flower
(S)	Saffron	(iv)	Papaver somniferum	(d)	Bark
		(v)	Crocus sativus	(e)	Seed