IGNOU OPENDET Exam Question Paper

Question 1. Tulsidas lived during the reign of
(1) Babar
(2) Akbar
(3) Aurangzeb
(4) None of the above

Question 2. Mohenjodaro is located in
(1) Punjab
(2) Sind
(3) Gujarat
(4) Uttar Pradesh

Question 3. If the length of a lever is increased to infinity, we may even lift
(1) Water
(2) Earth
(3) Air
(4) Solar system

Question 4. The phenomenon of radioactivity is due to
(1) stable nuclei
(2) unstable nuclei
(3) stable electronic configuration
(4) unstable electronic configuration

Question 5. Domestic electrical wiring is basically a
(1) combination of series and parallel connection
(2) parallel connection
(3) series connection
(4) series connection in each room and parallel elsewhere

Question 6. The dam of a water reservoir is thick at the bottom because
(1) water pressure remains unchanged with depth
(2) water pressure increases with depth
(3) water pressure decreases with depth
(4) None of the above

Question 7. Two thin blankets are warmer than a single one of the same thickness because
(1) air layer is trapped in between the blankets
(2) the distance of heat transmission is increased.
(3) the total mass of the blankets will be more
(4) None of the above

Question 8. When an air bubble rises in water, what happens to its potential energy ?
(1) Increases
(2) Decreases
(3) Remains same
(4) None of the above

Question 9. If the speed of a car is increased three times the distance needed to stop with the same braking effect will be
(1) 3 times less
(2) one-third
(3) 3 times more
(4) some other number

Question 10. The energy of a particle moving at 5 m/sec is 125 J. Its mass is
(1) 10 kg
(2) 4 kg
(3) 6 kg
(4) 25 kg

Question 11. Two bodies A and B, of masses 1 kg and 4 kg respectively, have equal linear momentum.The ratio of their kinetic energies is
(1) 1:4
(2) 4:1
(3) 1:2
(4) 1:16

Question 12. Construction of a submarine is based on
(1) Pascal's Law
(2) Newton's Laws of Motion
(3) Archimedes's Principle
(4) Hooke's Law

Question 13. Theodolite is an instrument used by
(1) Surveyors
(2) Cartographers
(3) Navigators
(4) Pilots

Question 14. "Speed of light is the same no matter how it is measured" was first contemplated by
(1) A.A. Michelson
(2) Jean Foucault
(3) Armand Fizeau
(4) Albert Einstein

Question 15. Which among the following is the smallest unit of length ?
(1) Micron
(2) mm
(3) Angstrom
(4) Nanometre

Question 16. 0'006 +x = 0'6. Find 'x'
1. 0.01
2. 0.001
3. 0.1
4. 1.0

Question 17. The L.C.M. of 26,56, 104 and 182 is
1. 546
2. 728
3. 1274
4. 784

Question 18. The average of first five multiples of 3 is
(1) 3
(2) 9
(3) 12
(4) 15

Question 19. Four-fifth of a certain number is 64. Half of that number is
(1) 16
(2) 32
(3) 40
(4) 80

Question 20. If 15 toys cost Rs. 234, what do 35 toys cost ?
(1) Rs. 564
(2) Rs. 546
(3) Rs. 654
(4) Rs. 465

Question 21. A scooterist covers a certain distance at 36 kmph. How many meters does he cover in 2 minutes ?
1. 1200 m
2. 1020 m
3. 1000 m
4. 1002 m

Question 22. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is known as
(1) Critical temperature
(2) Boyle's temperature
(3) Inversion temperature
(4) Reduced temperature

Question 23. n-bond is formed
(1) by the overlapping of atomic orbitals on the axis of nuclei
(2) by mutual sharing of pi electrons
(3) by sidewise overlapping of half-filled p-orbitals
(4) by overlapping of s-orbitals with p-orbitals

Question 24. Two atoms with electro negativities of 1.2 and 3.0 respectively, would form
(1) ionic bond
(2) covalent bond
(3) co-ordinate bond
(4) metallic bond

Question 25. Ease of formation of the anion is favored by
(1) lower value of ionisation potential
(2) lower value of electron affinity
(3) higher value of electron affinity
(4) lower value of electronegativity

Question 26. 2p orbital has
( 1 ) n = 1 , l = 2
( 2 ) n = l , l = 0
( 3 ) n = 2 , l = l
( 4 ) n = 2 , l = 0

Question 27. Which of the following is a compound ?
(1) Caustic soda
(2) Gunpowder
(3) Lead
(4) None of the above

Question 28. Which of the following is a mixture ?
(1) Air (2) Water
(3) Alum (4) Glucose

Question 29. The sequential filling of electrons in atomic orbitals is governed by
(1) Pauli's Exclusion Principle
(2) Hund's Rule
(3) Aufbau Principle
(4) Uncertainty Principle

Question 30. The Uncertainty Principle was enunciated by
(1) Einstein
(2) Heisenberg
(3) Rutherford
(4) Pauli

Question 31. The principal quantum number is related to
(1) size of orbital
(2) angular momentum of orbital
(3) angular momentum of spin
(4) configuration of orbital in space

Question 32. The average of first six multiples of 3 is
(1) 12
(2) 10.5
(3) 13
(4) 15.5

Question 33. 0.02 = x%, the value of 'x' is
(1) 20
(2) 2
(3) 0.02
(4) .2

Question 34. One-third of a number is equal to 27. The number is
(1) 9
(2) 3
(3) 27
(4) 81

Keep visiting IGNOU4U Blog for IGNOU Assignments and IGNOU Courses . IGNOU4U Blog is Leading Blog Providing best information about IGNOU Admission.