GATE BT format:nat PYQs & Answers — Page 11

Questions 101–110 of 201. Imported answers require independent review unless marked reviewed.

Topic practice 201 questionsPage 11 of 21

Decimal reduction time of a bacterial strain is

. Specific death rate constant in

(rounded off to two decimal places) is ________.

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The value of

(rounded off to two decimal places) is ________.

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A system consists of two reactors, connected by a valve. The first reactor (

) contains an ideal gas

of volume

and the second reactor (

) has an ideal gas

of volume

. Initially, the valve is closed and pressure

and

are

and

, respectively. Later, when the valve is open, the system reaches equilibrium. If the temperature

of both the reactors is maintained constant, the final equilibrium pressure in

of the system is ________.

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The enzyme

-amylase used in starch hydrolysis has an affinity constant (

) value of

. To achieve one-fourth of the maximum rate of hydrolysis, the required starch concentration in

(rounded off to two decimal places) is ________.

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In a Mendel’s dihybrid experiment, a homozygous pea plant with round yellow seeds was crossed with a homozygous plant with wrinkled green seeds. F₁ intercross produced 560 F₂ progeny. The number of F₂ progeny having both dominant traits (round and yellow) is _____.

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A 0.1 mL aliquot of a bacteriophage stock having a concentration of 4×10⁹ phages mL⁻¹ is added to 0.5 mL of E. coli culture having a concentration of 2×10⁸ cells mL⁻¹. The multiplicity of infection is _____.

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If the area of a triangle with the vertices

and

is 2 square units, the value of k is _____.

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In a chemostat with a dilution rate of 0.8 h⁻¹, the steady state biomass concentration and the specific product formation rate are 8 mol m⁻³ and 0.2 (mol product)(mol biomass)⁻¹ h⁻¹, respectively. The steady state product concentration in mol m⁻³ is _____.

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If the values of two random variables

are (121, 360), (242, 364) and (363, 362), the value of correlation coefficient between X and Y (rounded off to one decimal place) is _____.

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The determinant of matrix

is _____.

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GATE BT format:nat PYQs

Question 22

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Question 24

Question 25

Question 39

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Question 41

Question 42

Question 43

Question 44