Explore topic-wise MCQs in General Knowledge.

This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

17301.

Steel sleepers are ..... shaped in section.?

A. oval
B. rectangular
C. trough
D. semi-spherical
Answer» D. semi-spherical
17302.

The extra rails provided over bridge to prevent damage and danger in case of derailment on the bridge are known as:

A. Stock rails
B. Guard rails
C. Check rails
D. wing rails
Answer» C. Check rails
17303.

In India generally the sleeper density of sleepers per rail length used is:

A. 18
B. 30
C. 12
D. 24
Answer» B. 30
17304.

Most significant which imposes limitations in raising the high speeds is:

A. adhesion of wheels
B. air or wind resistance
C. flange resistance
D. resistance due to oscillations
Answer» B. air or wind resistance
17305.

The correct sequence of plants in a hydrosere is ?

A. Oak → Lantana → Scirpus → Pistia → Hydrilla → Volvox
B. Oak → Lantana → Volvox → Hydrilla → Pistia → Scirpus
C. Pistia → Volvox → Scirpus → Hydrilla → Oak → Lantana
D. Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak
Answer» E.
17306.

Gauge is the distance measured in place of the between which faces of two parallel rails in a track?

A. inner faces
B. centre line of one rail to inner face of other rail
C. centre lines
D. outer faces
Answer» B. centre line of one rail to inner face of other rail
17307.

Bone shaped section of fish plate is commonly used for connecting:

A. double headed rails
B. bull headed rails
C. flat footed rails
D. All of the above
Answer» D. All of the above
17308.

The rate of formation of new organic matter by rabbit in a grassland, is called ?

A. Net productivity
B. Net primary productivity
C. Secondary productivity
D. Gross primary productivity
Answer» D. Gross primary productivity
17309.

The sand is grainy but concrete is smooth

A. transverse
B. electromagnetic
C. longitudinal
D. polarised
Answer» D. polarised
17310.

The members laid transversely under the rails for supporting and fixing them at the gauge distance apart are known as:

A. fastenings
B. sleepers
C. ballest
D. fish plate
Answer» C. ballest
17311.

Niche is defined as the ?

A. Position of species in a community in relation to other species
B. Place where organism lives and performs its duty
C. Place where organism lives
D. Place where population perform their duties
Answer» C. Place where organism lives
17312.

Assertion (A): True xerophytes store water in the form of mucilage which helps to withstand prolonged period of drought.Reason (R): Vascular and mechanical tissues are well developed in true xerophytes.The correct answer is ?

A. Both A and R are true, but R is not the correct explanation of A
B. Both A and R are true and R is the correct explanation of A
C. A is false, but R is true
D. A is true, but R is false
Answer» D. A is true, but R is false
17313.

Of the following properties of a wave, the one that is independent of the other is its ?

A. frequency
B. wavelength
C. velocity
D. amplitude
Answer» E.
17314.

The granular material spread on the formation of a railway track for the sleepers to rest upon is known as:

A. anchors
B. ballest
C. subgrade
D. chairs
Answer» C. subgrade
17315.

The recommended depth of ballast cushion on a curved portion of a track is provided under the ........ edge of the sleeper.

A. upper
B. middle
C. inner
D. outer
Answer» D. outer
17316.

An outward slope provided on the tread of the wheel is:

A. 1 in 5
B. 1 in 10
C. 1 in13
D. 1 in 20
Answer» E.
17317.

The gradual or tapered widening of the flangeway which is formed by bending and splaying the end of check rail or wing rail away from the gauge line is known as:

A. flare
B. toe
C. heel
D. loop
Answer» B. toe
17318.

Plant species having a wide range of genetical distribution evolve into a local population known as ?

A. Biome
B. Ecotype
C. Ecosystem
D. Population
Answer» C. Ecosystem
17319.

The minimum height of embankment above the highest flood mark in the area should be:

A. 0 cm
B. 30 cm
C. 100 cm
D. 60 cm
Answer» E.
17320.

Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?

A. Gross production (GP)
B. Tertiary production
C. Secondary production
D. Net production (NP)
Answer» B. Tertiary production
17321.

Generally the life of wooden sleepers is taken as:

A. 2-3 years
B. 12-15 years
C. 35-45 years
D. 5-8 years
Answer» C. 35-45 years
17322.

Which one of the following is commonly found in temperate coniferous forest?

A. Dipterocarpus
B. Shorea robusta
C. Quercus
D. Pinus wallichiana
Answer» E.
17323.

Deserts, grasslands, forests and tundra are the examples of ?

A. Biomes
B. Ecosystems
C. Biogeographical regions
D. Biospheres
Answer» B. Ecosystems
17324.

Suitable impurities are added to a semiconductor depending on its use. This is done in order to ?

A. increase its electrical resistivity
B. increase its electrical conductivity
C. increase its life
D. enable it to withstand higher voltages
Answer» C. increase its life
17325.

The good quality wood for sleeper is:

A. deodar
B. sheesham
C. teek
D. sal
Answer» D. sal
17326.

The point up to which the new railway track laid, at any time is called:

A. terminal
B. station
C. rail-head
D. base
Answer» D. base
17327.

The bent-up length of rail used in front of nose of crossing which help in channelising the train wheels in their proper routes are known as:

A. lead rail
B. point rail
C. wing rail
D. splice rail
Answer» D. splice rail
17328.

Which of the following is primary consumer ?

A. Carnivore
B. Producer
C. Top carnivore
D. Herbivore
Answer» E.
17329.

Actively moving organism in aquatic ecosystem ?

A. Phytoplankton
B. Benthos
C. Nekton
D. Zoo plankton
Answer» D. Zoo plankton
17330.

Which one of the following correctly represents an organism and its ecological niche?

A. Desert locust (Schistocerca) and desert
B. Vallisneria and pond
C. Plant lice (aphids) and leaf
D. Vultures and dense forest
Answer» D. Vultures and dense forest
17331.

In a lake, phytoplankton grow in abundance in ?

A. Limnetic zone
B. Littoral zone
C. Benthic region
D. Profundal zone
Answer» B. Littoral zone
17332.

Littoral zone is located along the ?

A. Sea
B. Rivers
C. High mountains
D. Desert
Answer» B. Rivers
17333.

Assertion (A): The type of inflorescence in Sphaeranthus is cyathium.Reason (R): In cyathium type of inflorescence, the flowers are achlamydeous.The correct answer is ?

A. Assertion is false, but Reason is true
B. Both Assertion and Reason are true butReason is not the correct explanations ofAssertion
C. Both Assertion and Reason are true andReason is the correct explanation of theAssertion
D. Assertion is true, but Reason is false
Answer» B. Both Assertion and Reason are true butReason is not the correct explanations ofAssertion
17334.

Rainbow is due to ?

A. diffusion of sunlight through water droplets
B. refraction and reflection of sunlight by water droplets
C. absorption of sunlight in minute water droplets
D. ionisation of water deposits
Answer» C. absorption of sunlight in minute water droplets
17335.

Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in ?

A. 42 years
B. 4.2 seconds
C. 42 seconds
D. 4.24 years
Answer» E.
17336.

Mach number is used in connection with the speed of ?

A. ships
B. aircraft
C. sound
D. spacecraft
Answer» C. sound
17337.

How many Billion tones of ice has been reported to lose by Greenland?

A. 100
B. 200
C. 300
D. 400
Answer» B. 200
17338.

The Champions Trophy Final was played between?

A. India and England
B. India and Sri lanka
C. India and Pakistan
D. India and Australia
Answer» B. India and Sri lanka
17339.

The Union Government of India on 17 December 2012 lowered down the growth projection for the current financial year 2012-13 from 7.6 percent that was estimated earlier to 5.7-5.9 percent. The projection was showcased in the Mid-Year Economic Analysis. Where was this Mid-Year Economic Analysis tabled?

A. Lok Sabha
B. Rajya Sabha
C. Indian Parliament
D. None
Answer» D. None
17340.

Assertion: In syconus type of fruit, the achenes formed are fewer than the total number of flowers in the inflorescence from which it is formed.Reason: Upper and middle flowers cannot develop into fruits.The correct answer is ?

A. Both Assertion and Reason are true andReason is the correct explanation of theAssertion
B. Assertion is true, but Reason is false
C. Both Assertion and Reason are true butReason is not the correct explanations ofAssertion
D. Assertion is false, but Reason is true
Answer» B. Assertion is true, but Reason is false
17341.

Assertion: Ginger has a prostrate growing rhizome.Reason: Shoot growth is not effected by gravity.The correct answer is ?

A. Both Assertion and Reason are true butReason is not the correct explanations ofAssertion
B. Both Assertion and Reason are true andReason is the correct explanation of theAssertion
C. Assertion is true, but Reason is false
D. Both Assertion and Reason are false
Answer» B. Both Assertion and Reason are true andReason is the correct explanation of theAssertion
17342.

Assertion: Epidermis in the dicot root is composed of cutinized cells.Reason: The exodermis in the root offers protection to the inner parts in the absence of epidermis.The correct answer is ?

A. Both Assertion and Reason are true but theReason is not the correct explanations ofAssertion
B. Assertion is true, but Reason is false
C. Both Assertion and Reason are true andReason is the correct explanation of theAssertion
D. Assertion is false, but Reason is true
Answer» E.
17343.

According to Budget 2013, Increase the duty from on raw silk from 5 percent to which %?

A. 11
B. 16
C. 10
D. 15
Answer» E.
17344.

Identify the characters of gynoecium found in members of Asteraceae Fabaceae, Liliaceae and Solanaceae, respectively(1) Tricarpellary syncarpous, ovary superior and trilocular(II) Bicarpellary syncarpous, ovary superior and usually bilocular(III) Bicarpellary syncarpous, ovary inferior and unilocular(IV) Monocarpellary, ovary half inferior and unilocularThe correct sequence is?

A. III, IV, I, II
B. II, I, III, IV
C. IV, III, II, I
D. I, II, IV, III
Answer» B. II, I, III, IV
17345.

When did Rail Budget 2013 passsed?

A. 29 february
B. 25 february
C. 27 february
D. 26 february
Answer» E.
17346.

Identify a pair of the following plants which show modification of axillary buds into tendrils and hooks respectively:I. HugoniaII. DurantaIII. PassifloraIV. DioscoreaThe correct pair is?

A. I, II
B. III, I
C. II, III
D. IV, I
Answer» C. II, III
17347.

According to Budget 2013, On set top boxes the duty has increase from 5 percent to?

A. 12%
B. 11%
C. 10%
D. 15%
Answer» D. 15%
17348.

Match List I with List II and select the correct option given below. List – I List – IIA. Lactuca I. Next to HeteromeraeB. Physalis II. Before CalycifloraeC. Althea III. Next to DiscifloraeD. Derris IV. Between Calyciflorae and Heteromerae V. Between Thalamiflorae and Calyciflorae

A. A – IV, B – II, C – I, D – V
B. A – IV, B – I, C – II, D – III
C. A – V, B – IV, C – III, D – I
D. A – II, B – III, C – I, D – IV
Answer» C. A – V, B – IV, C – III, D – I
17349.

Why is vivipary an undesirable character for annual crop plants?

A. It adversely affects the fertility of theplant
B. It reduces the vigour of the plant
C. The seeds exhibit long dormancy
D. The seeds cannot be stored under normalconditions for the next season.
Answer» E.
17350.

When did Kumbha Mela started in 2013?

A. 13 january
B. 14 january
C. 14 febraury
D. 13 february
Answer» C. 14 febraury