Q: An X-ray can be deflected :
(a)by a magnetic field.
(b)by an electric field.
(c)by both electric and magnetic field.
(d)neither by electric field nor by magnetic field.
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CDS General Science Questions
28 previous year questions
Sub-topics
Physics - Electricity (5)Chemistry - Acids & Bases (5)Chemistry - Basics (5)Physics - Mechanics (4)Chemistry - Metals (2)Physics - Heat (2)Biology - Plant Biology (1)Biology - Human Biology (1)Physics - Light (1)Biology - Cell Biology (1)General (1)
Q: Van de Graaff generator generates :
(a)electrostatic charge
(b)magnetic field
(c)high voltage low alternating current
(d)high voltage low direct current
Q: निम्नलिखित में से किसका उपयोग मृद पेय (soft drinks) बनाने में किया जाता है ?
(a)NH₃
(b)PH₃
(c)COCl₂
(d)CO₂
Q: Which one of the following is a metalloid?
(a)Germanium
(b)Coke
(c)Iodine
(d)Sugar
Q: Which one of the following contains all Lewis acids?
(a)AlCl3, Co3+, BF3
(b)BCl3, NH3, OH⁻
(c)Mg2+, H2O, F⁻
(d)BF3, NH3, H2O
Q: Number of electrons present in the species H2+, He, H2 and O2+ respectively are:
(a)1, 2, 2, 15
(b)1, 2, 1, 14
(c)2, 2, 2, 16
(d)0, 2, 1, 14
Q: Sponges belong to which one among the following phylum?
(a)Porifera
(b)Platyhelminthes
(c)Cnidaria
(d)Annelida
Q: Which one among the following is not a part of vascular bundle in plants?
(a)Phloem
(b)Xylem
(c)Cambium
(d)Endodermis
Q: Microbodies found to be present in plant and animal cells contain
(a)broken down membranes
(b)enzymes
(c)acidic fluids
(d)waste metabolites
Q: In the decoration of Stupas, what does the term ‘Kinjalikini’ refer to?
(a)Creepers showing ornaments and textiles
(b)Scarves and saris
(c)Mango shaped pendants
(d)A garland of thousand lotus flowers
Q: Eratosthenes, a Greek philosopher, measured the Earth's circumference based on the angle of Sun rays at two different points. Which cities were they?
(a)Alexandria and Syene
(b)Syene and Troy
(c)Alexandria and Troy
(d)Alexandria and Thebes
Q: The correct order of atomic radius of Li, Na, Be and O is
(a)Na > Li > Be > O
(b)Na > Be > Li > O
(c)Be > Li > Na > O
(d)O > Be > Li > Na
Q: Consider a journey by a car represented by the graph given below in three parts A, B and C. The speed of the car in these parts is va, vb and vc respectively : Which one of the following is correct in this case ?
(a)va < vb < vc
(b)vb > va > vc
(c)va = vb = vc
(d)va > vb ; va > vc
Q: Consider the following statements on 'Fog': 1. Fog is simply a cloud that forms close to the ground. 2. Radiation fog is associated with radiation cooling of the land at night. 3. Advection fog forms when moisture is blown over a cold surface and is chilled by contact. Which of the statements given above are correct?
(a)1 and 2 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3
Q: Which one of the following is essential for thyroid gland to make thyroxin?
(a)NaCl
(b)KCl
(c)Cholesterol
(d)Iodine
Q: Which of the following groups of planets is termed as ‘gas planets’ as they are composed primarily of lighter ices, liquids and gases?
(a)Mars, Jupiter, Neptune, Uranus
(b)Jupiter, Uranus, Neptune, Saturn
(c)Saturn, Mars, Jupiter, Neptune
(d)Neptune, Saturn, Mars, Uranus
Q: A boy completes one round of a circular track of diameter 200 m in 30 s. What will be the displacement at the end of 3 minutes and 45 seconds?
(a)50 m
(b)100 m
(c)200 m
(d)236 m
Q: In plant cells
(a)Nucleus does not need a membrane but chloroplasts are surrounded by their own membrane.
(b)Nucleus and chloroplasts are surrounded separately by their own membrane.
(c)Nucleus is surrounded by membrane but chloroplasts do not need membrane.
(d)Both nucleus and chloroplasts are not surrounded by any membrane.
Q: Which one of the following terms denotes the inputs in terms of tools, machines, buildings, raw materials and money in hand required at any stage of production ?
(a)Fixed capital
(b)Working capital
(c)Physical capital
(d)Human capital
Q: Which one of the following inputs is required in less quantity in case of non-farming activities?
(a)Land
(b)Labour
(c)Capital
(d)Raw material
Q: A patient’s abdomen (alimentary canal) can be examined by X-ray after administering which one of the following metal salts in the patient’s meal?
(a)Barium sulphate
(b)Barium chloride
(c)Strontium sulphate
(d)Magnesium chloride
Q: An athlete completes one round of a circular track of diameter 100 m in 20 s. What will be the displacements after 1 minute and 10 s, respectively ?
(a)0 m, 50 m
(b)300 m, 100 m
(c)300 m, 50 m
(d)0 m, 100 m
Q: Which one of the following metals has both malleability and ductility properties?
(a)Na
(b)Au
(c)Ce
(d)Hg
Q: Which one of the following sodium compounds is used for softening hard water?
(a)Na2CO3
(b)NaHCO3
(c)NaOH
(d)Na2SO4
Q: The elements of which of the following pairs are isobars?
(a)1¹H and 1³H
(b)1¹H and 1²H
(c)12⁶C and 14⁶C
(d)40¹⁸Ar and 40²⁰Ca
Q: निम्नलिखित में से किस प्राणी का हृदय द्विकक्षीय होता है?
(a)स्कोलिओडन (Dog-fish)
(b)सैलामैंडर
(c)कछुआ
(d)मानव
Q: The valency of phosphorus is
(a)2, 3
(b)3, 4
(c)4, 5
(d)3, 5
Q: Lead nitrate on heating gives
(a)PbO2 and NO2
(b)PbO and NO2
(c)PbO and NO
(d)PbO2 and NO
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