XL Life Science- 2014 GATE Paper (Practice Test) - GATE MCQ
30 Questions MCQ Test - XL Life Science- 2014 GATE Paper (Practice Test)
Q. 1 – Q. 5 carry one mark each.
Q.
Choose the most appropriate word from the options given below to complete the following
sentence.
A person suffering from Alzheimer’s disease ____________ short-term memory loss.
sentence.
A person suffering from Alzheimer’s disease ____________ short-term memory loss.
Choose the most appropriate word from the options given below to complete the following
sentence.
____________ is the key to their happiness; they are satisfied with what they have.
sentence.
____________ is the key to their happiness; they are satisfied with what they have.
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Which of the following options is the closest in meaning to the sentence below?
“As a woman, I have no country.”
“As a woman, I have no country.”
In any given year, the probability of an earthquake greater than Magnitude 6 occurring in the
Garhwal Himalayas is 0.04. The average time between successive occurrences of such earthquakes
is ____ years.
(Important : you should answer only the numeric value)
The population of a new city is 5 million and is growing at 20% annually. How many years would
it take to double at this growth rate?
Q. 6 – Q. 10 carry two marks each.
Q.
In a group of four children, Som is younger to Riaz. Shiv is elder to Ansu. Ansu is youngest in the
group. Which of the following statements is/are required to find the eldest child in the group?
Statements
1. Shiv is younger to Riaz.
2. Shiv is elder to Som.
Moving into a world of big data will require us to change our thinking about the merits of
exactitude. To apply the conventional mindset of measurement to the digital, connected world of
the twenty-first century is to miss a crucial point. As mentioned earlier, the obsession with
exactness is an artefact of the information-deprived analog era. When data was sparse, every data
point was critical, and thus great care was taken to avoid letting any point bias the analysis.
From “BIG DATA” Viktor Mayer-Schonberger and Kenneth Cukier
The main point of the paragraph is:
The total exports and revenues from the exports of a country are given in the two pie charts below.
The pie chart for exports shows the quantity of each item as a percentage of the total quantity of
exports. The pie chart for the revenues shows the percentage of the total revenue generated through
export of each item. The total quantity of exports of all the items is 5 lakh tonnes and the total
revenues are 250 crore rupees. What is the ratio of the revenue generated through export of Item 1
per kilogram to the revenue generated through export of Item 4 per kilogram?
X is 1 km northeast of Y. Y is 1 km southeast of Z. W is 1 km west of Z. P is 1 km south of W. Q is
1 km east of P. What is the distance between X and Q in km?
10% of the population in a town is HIV+. A new diagnostic kit for HIV detection is available; this
kit correctly identifies HIV+ individuals 95% of the time, and HIV− individuals 89% of the time. A
particular patient is tested using this kit and is found to be positive. The probability that the
individual is actually positive is _______
Q. 11 – Q. 15 carry one mark each.
Q.
Hybridizations of nitrogen in 
respectively are
Potassium metal crystallizes in the body-centered cubic structure. The number of atoms per unit
cell is equal to
Assuming ideal condition, the solution that has the highest freezing point is
The major product formed in the following reaction is
The acid that undergoes decarboxylation most readily upon heating is
Q. 16 – Q. 25 carry two marks each.
Q.
A ball of mass 330 g is moving with a constant speed, and its associated de Broglie wavelength is
1 × 10−33 m. The speed of the ball is _________ m s–1. (h = 6.6 × 10−34 J s)
Diphosphonic acid (H4P2O5) has no P ? P bond. This acid is
The magnetic moment of an octahedral Co(II) complex is approximately 4.0 μB (atomic number of
Co is 27). The CFSE for this complex, in Δo units, is _______
(Important : you should answer only the numeric value)
The complex ion [Cr(H2O)6]3+ (atomic number of Cr is 24) exhibits
Assuming ideal behavior, the density of fluorine gas at 20 °C and 0.3 atm is ____ g L–1.
(Molecular weight of F2 = 38 g mol–1, R = 0.082 L atm mol–1 K–1)
For a first order reaction, the time required for 50% completion is 20 minutes. The time required for
99.9% completion of the reaction is ______ minutes
At 298 K, the bond dissociation energies of C–H, C–C and C=C are 415, 344 and 615 kJ mol–1,
respectively. The enthalpy of atomization of carbon is 717 kJ mol–1 and that of hydrogen is
218 kJ mol–1. The heat of formation of naphthalene at 298 K is ______ kJ mol–1.
The Fisher projection that represents (2R,3S)-2,3-dihydroxybutanoic acid is
A hydrocarbon that undergoes ozonolysis (reaction with ozone followed by reduction with Me2S)
to form formaldehyde and glyoxal is
The order of acidity of the following acids is
Q. 26 – Q. 35 carry one mark each.
Q.
During an enzyme catalyzed reaction, the equilibrium constant
A mixture of Arginine, Phenylalanine and Histidine was fractionated using cation exchange
chromatography at neutral pH. The amino acids were eluted with an increasing salt gradient. Identify
the correct order of elution.
Which one of the following proteases does NOT cleave on the carboxyl side of any Arginine
residue in a protein?
The receptor for epinephrine is a
Choose the option with two reducing sugars
Important Questions for XL Life Science- 2014 GATE Paper (Practice Test)
XL Life Science- 2014 GATE Paper (Practice Test) MCQs with Answers
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