LPUNEST Sample Question Paper

Contents

0.1 Chemistry
0.2 Physics
0.3 Mathematics
0.4 Biology

1 LPU NEST
- 1.1 LPUNEST Sample Question Paper – Overview

Lovely Professional University National Eligibility and Scholarship Test (LPUNEST) Sample Question Paper

Chemistry

Question 1:
The density (in g mL-1) of a 3.60 M sulphuric acid solution that is 29% H2 SO4 (Molar mass =98g mol-1) by mass will be
A) 1.40
B) 1.50
C) 1.88
D) 1.22

Question 2:
In the cell reaction Cu (s) +2 Ag+ (aq)→ cu2++ (aq)+2 Ag (s),E0cell = 0.46 V. By doubling the concentration of Cu2+, E0cell is
A) doubled
B) Does not changed
C) increased but less than double
D) decreased by a small fraction

Question 3:
Before introducing FeO in blast furnace, it is converted to Fe2 O3 by roasting so that
A) it may not be removed as slag with silica
B) it may not evaporate in the furnace
C) Presence of it may increase the m.p of charge
D) It may not form iron carbide with coke.

Question 4:
Which of the following statements is incorrect?
A) Cr2+ is strongly reducing while Mn3+ is strongly oxidizing.
B) Co2+ is stable in aqueous solution but in the presence of complexing reagents it is easily oxidised.
C) [Cu(CN)4 ]2- is more stable than [Cu(NH3)4 ]2+
D) [Ti F6]2- is highly unstable while [Ti Cl6]2- is stable.Question

Question 5.
Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is generally known as
A) an enamine
B) a Schiff’s base
C) an amine
D) an imine

Physics

Question 1
An electron moving towards the east enters a magnetic field directed towards the north. The force on the electron will be directed.

A) vertically upward
B) vertically downward
C) towards the west
D) towards the south.

Question 2.
In a LCR series circuit, at resonant frequency
A) the impedance and the current are maximum
B) the impedance is maximum
C) the current and voltage are out of phase
D) the current is maximum

Question 3:
The saturation current I of a photocell varies with distance from the source (d) is
A) I ∞ d
B) I ∞ d2
C) I ∞ I/d
D) I ∞ I/d2

Question 4:
A radioactive element X with half life 2 hrs decays giving a stable element Y. After a time t,ratio of X to Y atoms is 1:16 time t is
A) 6 hrs
B) 4 hrs
C) 8 hrs
D) 16 hrs

Question 5:
If no external voltage is applied across p-n junction, there would be
A) no electric field pointing across the junction .
B) an electric field pointing from n- type to p- type side across the junction.
C) an electric field pointing from p- type to n- type side across the junction.
D) a temporary electric field during formation of p-n junction that would subsequently disappear.

Mathematics

Question 1:
The sum of three consecutive terms in a geometric progression is 14. If 1 is added to the first and the second terms and 1 is subtracted from the third, the resulting new terms are in arithmetic progression. Then the lowest of the original term is

(A) 1
(B) 2
(C) 4
(D) 8

Question 2:
In the polynomial ( x – 1)( x – 2)( x – 3)………..( x – 100) the coefficient of x99 is
(A) 5050
(B) – 5050
(C) 100
(D) 99

Question 3:
India plays two matches each with West Indies and Australia. In any match the probabilities of India getting points 0, 1 and 2 are 0.45, 0.05 and 0.50 respectively. Assuming that the outcomes are independent, the probability of India getting at least 7 points, is:
(A) 0.8750
(B) 0.0875
(C) 0.0625
(D) 0.0250

Question 4:
An unbiased coin is tossed. If the result is a head, a pair of unbiased dice is rolled and the number obtained by adding the numbers on the two faces is noted. If the result is a tail, a card from a well shufﬂed pack of eleven cards numbered 2, 3, 4,…….,12 is picked and the number on the card is noted. The probability that the noted number is either 7 or 8, is
(A) 0.24
(B) 0.244
(C) 0.024
(D) None of these

Question 5:
There exists a function f(x) satisfying f(0) = f(1), f’(0)= – 1 , f(x)>0 for all x ,and
(A) f’’(x)>0 for all x
(B) – 1 < f’’(x)<0 for all x
(C) – 2 < f’’(x)≤-1 for all x
(D) f’’(x) <-2 for all x

Biology

Question 1:
Maximum life span of dog is:

(A) 5 years
(B) 10 years
(C) 15 years
(D) 20 years

Question 2:
The most abundant element present in plants is:
(A) Manganese
(B) Iron
(C) Carbon
(D) Nitrogen

Question 3:
Hunger center in human is present in
(A) Medulla oblongata
(B) Hypothalamus
(C) Pons varolii
(D) Mitochondria

Question 4:
Energy ﬂow and energy transformations of a living system follow:
(A) Law of limiting factor
(B) Law of thermodynamics
(C) Liebig’s law of minimum
(D) Biogenetic law

Question 5:
The statement correct about enzymes is:
(A) they are amino acids
(B) they are most active at a temperature of 00C
(C) they are all proteins
(D) they are most active at pH 6.9

LPU NEST

The purpose of this exam is to be admitted to Lovely Professional University (LPU) in B.Tech., M.Tech., B.Tech. [Lateral Entry], MBA, Specialized MBA, BBA, Integrated BBA – MBA, Ph.D., B.Sc. (Hotel Management), BHMCT, B.A. LL.B., BBA LL.B., LL.B., LL.M., B.Design, B.Sc.(Design), M.Design, M.Sc. (Design), UG and PG courses in Medical Laboratory Sciences, B.Sc. (Hons.) Ag, M.Sc. Ag. Programmes, B.Pharm., M.Pharm., M.Pharm. (Ayurveda), B.Pharm. [Lateral Entry], B.Sc. (Film and TV Production), M.Sc. (Film and TV Production), B.Sc., Bachelor of Physiotherapy (BPT), MPT, M.Sc., B.Com., B.Sc. (Hons.) Economics, BCA, B.Sc. Computer Science, MCA, B.A..

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