GATE XL discipline:life-sciences PYQs & Answers — Page 49

Questions 481–490 of 1235. Imported answers require independent review unless marked reviewed.

Extrusion cooking is accomplished in four different stages, which are indicated as I, II, III and IV in the figure given below. Choose the correct option representing the name of each stage.

Your answerChoose one option.

I – Feeding, II – Cooking, III – Kneading, IV – Expansion

I – Kneading, II – Feeding, III – Cooking, IV – Expansion

I – Feeding, II – Kneading, III – Cooking, IV – Expansion

I – Cooking, II – Kneading, III – Feeding, IV – Expansion

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the method/ value used for measuring lipid characteristics in Column I with the corresponding properties indicated by them, in Column II.

Column I Column II P. Thiobarbituric acid test 1. Induction time Q. Rancimat method 2. Degree of unsaturation R. Peroxide value 3. Carbonyl content S. Iodine value 4. Hydroperoxide content

Your answerChoose one option.

P-3, Q-1, R-4, S-2

P-1, Q-3, R-4, S-2

P-3, Q-1, R-2, S-4

P-3, Q-4, R-1, S-2

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the peeling technique in Column I with the vegetable, for which it is used in industry, given in Column II.

Column I Column II P. Knife peeling 1. Brinjal Q. Abrasion peeling 2. Tomato R. Flame peeling 3. Potato S. Flash peeling 4. Cucumber

Your answerChoose one option.

P-3, Q-4, R-1, S-2

P-4, Q-1, R-3, S-2

P-4, Q-3, R-2, S-1

P-4, Q-3, R-1, S-2

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the process in Column I with the related food component in Column II.

Column I Column II P. Caramelization 1. Lipid Q. Denaturation 2. Sugar R. Oxidation 3. Pigment S. Bleaching 4. Enzyme

Your answerChoose one option.

P-2, Q-4, R-1, S-3

P-2, Q-1, R-4, S-3

P-1, Q-3, R-2, S-4

P-2, Q-1, R-3, S-4

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Identify the correct statement(s) related to grain polysaccharides among the followings.

Your answerSelect all correct options. You can choose more than one.

Dextrin are a group of low molecular weight polysaccharides produced by dry hydrolysis of starch.

Amylose is a linear polymer of D-glucose units joined by α (1→6) glycoside linkages.

Amylopectin is a branched chain polymer of D-galactose monomer units.

Retrogradation is a process of reassociation of amylose and formation of crystalline structure by gelatinized starch upon cooling.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A sample of glucose isomerase enzyme converts 15 μmoles of substrate glucose into product fructose min⁻¹ mL⁻¹ under standard assay conditions. The enzyme activity of the glucose isomerase in International Unit (IU) is ________ (in integer).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

If D₁₀ for Salmonella in egg yolk is 0.75 kGy, calculate the radiation dose in kGy (rounded off to 2 decimal places) required for reducing the Salmonella count in egg yolk by 8 log cycles.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The average moisture binding energy of a textured protein product (TP) at 8% moisture content (dry basis) is 3200 cal.mol⁻¹. If the water activity of the TP at the above moisture content is 0.30 at 30 °C, the water activity of the sample at 45 °C is __________ (rounded off to 2 decimal places). The value of Gas constant R = 1.987 cal.mol⁻¹.K⁻¹.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The movie was funny and I ________.

Your answerChoose one option.

could help laugh

couldn’t help laughed

couldn’t help laughing

could helped laughed

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

. What is the value of

Your answerChoose one option.

0.75

1.25

2.25

3.25

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE XL discipline:life-sciences PYQs

Question 115

Question 116

Question 117

Question 118

Question 119

Question 120

Question 121

Question 122

Question 1

Question 2