Life Sciences
GATE XL kind:question PYQs
Build your understanding with focused practice from past exam papers.
Questions 241–250 of 1235. Imported answers require independent review unless marked reviewed.
Question 119
Open questionXL-UMSQ2 marksNeeds review
Which of the following is/are inhibitor(s) of enzymic browning in peeled potatoes?
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Open questionXL-UMSQ2 marksNeeds review
Match the following enzymes in Column I with their applications in Column II.
Column I: P — β-Glucanase; Q — α- and β-Amylases; R — Pectinase; S — Papain.
Column II: 1 — Fruit juice clarification; 2 — Bread making; 3 — Meat tenderization; 4 — Brew
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 121
Open questionXL-UNAT2 marksNeeds review
The F₁₂₁ value of a known microorganism with Z value of 11 °C is 2.4 min for 99.999% inactivation. For a 12D inactivation of the said microorganism at 143 °C, the F value (in min) is _____. (rounded off to 3 decimal places)
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Open questionXL-UNAT2 marksNeeds review
In a typical grinding operation, 80% of the feed material passes through a sieve opening of 4.75 mm; whereas, 80% of the ground product passes through 0.5 mm opening. If the power required to grind 2 tonnes/h of the feed material is 3.8 kW, the work index of the material is ______ (rounded off to 2 decimal places)
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionGAMCQ1 markNeeds review
If ‘→’ denotes increasing order of intensity, then the meaning of the words [walk → jog → sprint] is analogous to [bothered → ________ → daunted]. Which one of the given options is appropriate to fill the blank?
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Open questionGAMCQ1 markNeeds review
Two wizards try to create a spell using all the four elements, water, air, fire, and earth. For this, they decide to mix all these elements in all possible orders. They also decide to work independently. After trying all possible combination of elements, they conclude that the spell does not work.
How many attempts does each wizard make before coming to this conclusion, independently?
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Open questionGAMCQ1 markNeeds review
In an engineering college of 10,000 students, 1,500 like neither their core branches nor other branches. The number of students who like their core branches is 1/4ᵗʰ of the number of students who like other branches. The number of students who like both their core and other branches is 500.
The number of students who like their core branches is
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Open questionGAMCQ1 markNeeds review
For positive non-zero real variables x and y, if
then, the value of
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Open questionGAMCQ1 markNeeds review
In the sequence 6, 9, 14, x, 30, 41, a possible value of
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Open questionGAMCQ2 marksNeeds review
Sequence the following sentences in a coherent passage.
P: This fortuitous geological event generated a colossal amount of energy and heat that resulted in the rocks rising to an average height of 4 km across the contact zone.
Q: Thus, the geophysicists tend to think of the Himalayas as an active geological event rather than as a static geological feature.
R: The natural process of the cooling of this massive edifice absorbed large quantities of atmospheric carbon dioxide, altering the earth’s atmosphere and making it better suited for life.
S: Many millennia ago, a breakaway chunk of bedrock from the Antarctic Plate collided with the massive Eurasian Plate.
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