CDS Exam (I)- 2017 - General Knowledge Defence Question Paper

CDS Previous Year Question Papers Question Papers
CDS Exam (I)- 2017 - General Knowledge

CDS Exam (I)- 2017 - General Knowledge Defence Questions

21.
The ratio of gross cropped area to the net sown area is called
A.
cropping intensity
B.
intensity of crop rotation
C.
crop productivity
D.
cropping diversity
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ANSWER :
A. cropping intensity
22.
Which one of the following is the correct sequence of occurrences of rivers from Chennai to Kolkata when travelled by road (shortest distance)?
A.
Krishna, Kaveri, Godavari, Mahanadi, Subarnarekha
B.
Krishna, Periyar, Godavari, Mahanadi, Subarnarekha
C.
Penneru, Krishna, Godavari, Mahanadi, Subarnarekha
D.
Penneru, Mahanadi, Subarnarekha, Godavari, Krishna
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ANSWER :
C. Penneru, Krishna, Godavari, Mahanadi, Subarnarekha
23.
Which one of the following statements with regard to volcanoes is not correct?
A.
Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.
B.
The surrounding areas can remain highlands, lava ridges or mesas.
C.
Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.
D.
The system of streams on a dissected volcano cone is not a radial drainage pattern.
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ANSWER :
D. The system of streams on a dissected volcano cone is not a radial drainage pattern.
24.
Kwashiorkor disease in children is caused by
A.
sufficient carbohydrates but less fats in diet
B.
sufficient carbohydrates and fats but deficient proteins in diet
C.
sufficient vitamins but deficient fats in diet
D.
sufficient fats but deficient vitamins in diet
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ANSWER :
B. sufficient carbohydrates and fats but deficient proteins in diet
25.
The mammalian heart is myogenic and it is regulated by nerves. The heartbeat originates from
A.
sinoatrial node
B.
QRS wave
C.
T wave
D.
hepatic portal system
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ANSWER :
A. sinoatrial node
26.
The plant growth regulators are small, simple molecules of diverse chemical composition. They are
A.
carbohydrates, fats and proteins
B.
indole compounds, adenine derivatives, carotenoids and terpenes
C.
fatty acids, glucose and vitamins
D.
vitamin C, vitamin D and glucose
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ANSWER :
B. indole compounds, adenine derivatives, carotenoids and terpenes
27.
Consider the electromagnetic radiations having wavelengths 200 nm, 500 nm and 1000 nm. Which wavelength(s) of the following can make visual sensation to a human eye?
A.
200 nm and 500 nm
B.
500 nm and 1000 nm
C.
500 nm only
D.
200 nm and 1000 nm
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ANSWER :
C. 500 nm only
28.
A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be
A.
5R
B.
2R
C.
\( \frac{4}{5}R \)
D.
\( \frac{R}{5} \)
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ANSWER :
D. \( \frac{R}{5} \)
29.
A parallel-plate capacitor of capacitance \( C_{g} \) is made using two gold plates. Another parallel-plate capacitor of capacitance \( C_{a} \) is made using two aluminium plates with same plate separation, and all the four plates are of same area. If \( \rho_{g} \) and \( \rho_{a} \) are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct?
A.
\( C_{g} > C_{a} \)
B.
\( C_{a} > C_{g} \)
C.
\( C_{g}\rho_{a} = C_{a}\rho_{g} \)
D.
\( C_{g} = C_{a} \)
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ANSWER :
D. \( C_{g} = C_{a} \)
30.
A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct?
A.
The wavelength of X-ray photon is less than the wavelength of visible radiation photon.
B.
Both the photons have different energies.
C.
The speeds of both the photons in vacuum are different.
D.
The frequency of X-ray photon is higher than the frequency of visible radiation photon.
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ANSWER :
C. The speeds of both the photons in vacuum are different.
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