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Widal test is done to diagnose.
(1) Tuberculosis
(2) Typhoid
(3) Malaria
(4) Dengue

The pathogens responsible for causing elephantiasis are transmitted to a healthy person through:
(1) Droplet
(2) Female mosquito vector
(3) Contaminated food and water
(4) Sexual contact

Which of the following is used in the production of the recombinant Hepatitis B vaccine?
(1) Yeast
(2) Microsporum
(3) E coll
(4) Streptococcus

The cells of the malignant tumors exhibit:
(1) Metastasis
(2) Contact inhibition
(3) High differentiation
(4) Slow proliferation

Steroid abuse in males is associated with all the following except:
(1) Acne
(2) Increased aggressiveness
(3) Mood swings
(4) Enlargement of testicles

What does RCH stand for?
(1) Reproductive and Complete Health
(2) Regional and Central Healthcare
(3) Reproductive and Child Healthcare
(4) Reproductive and Cumulative Health

According to 2001 census report, the population growth rate of India was around _%, a rate at which our population could double in years.
(1) 1.7;33
(2) 2.1;30
(3) 1.4;50
(4) 2.0;32

The ideal contraceptive for females who want to delay pregnancy andlor space children is:
(1) Barrier contraceptive
(2) Periodic abstinence
(3) IUD
(4) Hormonal pills

Which of the following STIs is not caused by a virus?
(1) Genital herpes
(2) Genital warts
(3) HIV
(4) Syphilis

The diameter of the largest sphere that fits the void at the centre of a cube edge of a BCC crystal of lattice parameter 'a' is 
(1) 0.293a
(2) 0.414a
(3) 0.134a
(4) 0.336a

If 'A' atoms are present at all corners and 'B' atoms are present at all face centre of a cubic unit cell, then determine the formula of the compound
1) AB₂
2) AB₃
3)A₂B₃
4) None of these

Initially a metal is in BCC crystalline form. On heating, the same metal is in FCC crystalline form. Calculate the ratio of density of metal (before heating) to density of metal (after heating).
(1) 0.5
(2) 0.92
(3) 0.75
(4) None of the above
 

Three crystalline structures have same edge length. The crystalline structures are Simple Cubic Cell (SC), BCC & FCC. Arrange the radius of atom, R, in each case in increasing order? 
1) R_BCC < R_FCC < R_SC
2) R_SC < R_BCC < R_FCC
3) R_FCC < R_SC < R_BCC
4) None of the above

In a hexagonal unit cell, height of unit cell is 400 pm. Find the radius of the atom. 
1)  100 √(1.5) 
2)  200 √(1.5)
3)  100 √(0.67) 
4)  200 √(0.67)

Which voltmeter will give zero reading for a circuit as given below? Inductive reactance, capacitive reactance and resistor resistance are 10 Ω.

1) V₁

2) V₂
3) V₃
4) V₄

A virtual current of 4A and 50Hz flows in an A.C. circuit containing a coil. Power consumed in the coil is 240 W. If the virtual voltage across the coil is 100 V. Calculate the value of L?
(1) H
(2) H
(3) H
(4) H

110 V is applied across a series circuit having resistance 11 Ω and impedance 22 Ω. The average power consumed is
(1) 275 W
(2) 1100 W
(3) 550 W
(4) None of these

A group of electric lamps having a total power rating of 1000 W is supplied by an A.C. Voltage E = 200 sin(310t + 60), then r.m.s. value of current is
(1) 10 A
(2) 20 A
(3) 5√2 A
(4) 10√2 A

When an alternating voltage of 220 V is applied across a device P, a current of 0.25 A flows through the circuit and it leads V by π/2. When same voltage source is connected across another device Q, the same current is observed in the circuit but in phase with V. What is the I when same source is connected across a series combination of P and Q.
(1) 1/4√2 A lagging in phase by π/4 with V
(2)1/4√2 A leading in phase by π/4 with V
(3)1/√2 A leading in phase by π/4 with V
(4)1/√2 A leading in phase by π/6 with V