CDS General Knowledge Exam Paper – 23 October 2016

Combined Defense Services (CDS) General Knowledge solved exam paper conducted by UPSC on 23 October 2016 available here. UPSC organizes CDS Exam twice in a year. This is a second CDS exam paper of year 2016. CDS exam will consist of three papers – English, General Knowledge and Elementary Mathematics.

Exam Paper :— (CDS) General Knowledge
Exam Organizer :— Union Public Service Commission (UPSC)
Exam Date :— 23 October 2016

(See other paper of this exam – English Paper)
[ This exam paper also available in Hindi language. ]

CDS (General Knowledge) solved exam paper (2^nd) 2016

1. Which one of the following gases is released mostly from landfills in urban areas ?
A. Nitrogen
B. Hydrogen
C. Methane
D. Oxygen

2. Which one of the following is most sensitive to environmental change ?
A. amphibian
B. Reptile
C. Mammal
D. Insect

3. Which one of the following is the largest source of electricity in india ?
A. hydropower plants
B. Nuclear power plants
C. Thermal power plants
D. Wind energy

4. The HIV virus weakens the immunity of a person because it destroys-
A. mast cells
B. Platelets
C. Erythrocytes
D. Lymphocytes

5. Which one of the following air pollutants combines with the haemoglobin of human blood and reduces its oxygen-carrying capacity, leading to suffocation and may cause even death ?
A. chlorofluorocarbon
B. Fly ash
C. Carbon monoxide
D. Sulphur dioxide

6. An irregular mode of reproduction resulting in the development of an embryo without fertilization is called ?
1. parthenogenesis
2. Apogamy
3. Sporophytic budding
Select the correct answer using the code given below :
A. 1 only
B. 2 only
C. 2 and 3 only
D. 1, 2 and 3

7. Which one of the following is not an allotrope of carbon ?
A. coal
B. diamond
C. graphite
D. graphene

8. In paper manufacturing, degumming of the raw material is done using –
A. sulphuric acid
B. bleaching powder
C. caustic soda
D. nitric acid

9. Dolomite powder is applied in some agriculture lands, the purpose of applying it is to –
A. increase the pH the soil
B. lower the pH of the soil
C. increase the phosphorus content of the soil
D. increase the nitrogen content of the soil

10. Deficiency of fluoride leads to which one of the following health problems ?
A. tooth caries
B. mottling of tooth
C. bending of bones
D. stiffening of joints

11. Excessive use of which of the following fertilizers may be responsible for the presence to a toxic substance in ground water ?
A. nitrogen
B. phosphate only
C. potassium only
D. phosphate and potassium

12. Which one of the following elements does not form solid hydrogen carbonate ?
A. sodium
B. potassium
C. caesium
D. lithium

13. According to census 2011, which one of the following is the correct sequence of states in decreasing order of their total size of population ?
A. kerala, jharkhand, assam, punjab
B. jharkhand, kerala, assam, punjab
C. kerala, jharkhand, punjab, assam
D. jharkhand, kerala, punjab, assam

14. With reference to earthquakes, which of the following statements are correct ?
1. Earthquakes largely occur along the converging plate boundaries.
2. Point of origin of earthquake in lithosphere is known as focus/hypocentre.
3. Intensity of earthquake decreases with distance from the epicentre.
4. Epicentre of earthquake always remains over continents only.
Select the correct answer using the code given below :
A. 1 and 2 only
B. 1, 2 and 3
C. 2 and 3 only
D. 1 and 4

15. Which of the following pairs of indian state and tribal population are correct ?
1. Madhya pradesh : largest tribal population
2. Mizoram : highest percentage of tribal population out of the total population of the state
3. Chattisgarh : second largest tribal population after Madhya pradesh
4. Arunachal pradesh : second highest percentage of tribal population out of the total population of the state after mizoram
Select the correct answer using the code given below :
A. 1 and 2 only
B. 2 and 4 only
C. 1, 2 and 3
D. 2, 3 and 4

16. The spring constant of a spring depends on its –
A. Length only
B. Material only
C. Length and its diameter
D. Thickness, its diameter and its material

17. Is the gamma decay of a nucleus –
A. the mass number of the nucleus changes whereas its atomic number does not change
B. the mass number of the nucleus does not change whereas its atomic number change
C. both the mass number and the atomic number of the nucleus change
D. neither the mass number nor the atomic number of the nucleus change

18. In a bipolar junction transistor-
A. all the three regions (the emitter, the base and the collector) have equal concentrations of impurity
B. the emitter has least concentration of impurity
C. the collector has the least concentration of impurity
D. the base has the least concentration of impurity

19. The pressure exerted by a 760 mm column of mercury at 0. C is known as –
A. 1 pascal
B. 1 atmosphere
C. 1 bar
D. 1 poise

20. Which one of the following physical quantities has the same dimensions as that of planck’s constant h ?
A. linear momentum
B. angular momentum
C. force
D. potential energy

21. Which one of the following statements is not correct ?
A. the response of the ear to sound of increasing intensity is approximately logarithmic.
B. the sensitivity of the human ear does not vary with the frequency of the sound.
C. when two are more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave.
D. longitudinal waves can travel in all media – solids, liquids and gases.

22. Which one of the following hormones is essential for the uptake of glucose by cells in the human body ?
A. GH
B. TSH
C. insulin
D. cortisol

23. Which of the following cells do not contain nucleus ?
1. Roots hair cells
2. Red blood cells
3. platelets
4. monocytes
Select the correct answer using the code given below.
A. 1 only
B. 2 and 3 only
C. 1, 2 and 4
D. 2, 3 and 4

24. Biological catalysts are protein molecules which
1. speed up a chemical reaction
2. Remain unchanged after reaction
3. Function optimally at 37. C
4. Do not have an enzymatic activity
Select the correct answer using the code given below :
A. 1 only
B. 1, 2 and 3
C. 2 and 3 only
D. 1, 3 and 4

25. ‘Altitude sickness’ is caused at high altitude due to –
A. high partial pressure of oxygen
B. low partial pressure of oxygen
C. low level of haemoglobin
D. high partial pressure of carbon dioxide

26. Match list-I with list-II and select the correct answer using the code given below the lists –
list-I (element) – list-II (property/use)
a. Mg                1. Gives red colour to flame
b. Ca                2. Sulphate compound used in medicine to examine the alimentary canal of a patient
c. Sr                 3. Traps the energy of sunlight in photo – syntheisis
d. Ba                4. Control of muscle contraction
Code :
.    a b c d
A. 2 4 1 3
B. 2 1 4 3
C. 3 4 1 2
D. 3 1 4 2

27. Which one of the following statements is correct ?
A. the oxidation number for hydrogen is always zero.
B. the oxidation number for hydrogen is always +1.
C. the oxidation number for hydrogen is always -1.
D. hydrogen can have more than one oxidation number

28. In case of a standard hydrogen electrode –
A. absolute electrode potential is not zero
B. absolute electrode potential is zero
C. both absolute and standard electrode potential values are zero
D. electrode potential is zero only at 25. C

29. The elemental composition of an adult human body by mass is –

A. C > O > H > N
B. O > C > H > N
C. N > C > H > O
D. N > C > O > H

30. With regard to water transportation in india, which of the following statements are correct ?
1. Headquarters of central inland water transport corporation is located at delhi.
2. Headquarters of inland waterways authority of india is located at noida.
3. National inland navigation institute is located at kolkata.
4. First national inland waterway was between haldia and allahabad.
Select the correct answer using the code given below.
A. 1 and 2 only
B. 2 and 3
C. 2 and 4 only

D. 1, 2 and 4

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