R Programming Mock Test 2 - Online MCQ Exam

Which of the following possess the same set of instructions?

1 Mark(s)

Your Answer:

8088 and 80286 8088 and 80286
8086 and 80286 8086 and 80286
8051 and 8088 8051 and 8088
8051 and 8086 8051 and 8086

The hydrogen content of steel in equilibrium with hydrogen gas at 1 bar pressure is 28 ppm at some temperature. Hydrogen content in the metal at the same temperature gets reduced at 1 ppm, when the equilibrium PH2 changes to . . . . . . . . bar.

1 Mark(s)

Your Answer:

28 28
$$\frac{1}{{28}}$$ $$\frac{1}{{28}}$$
$${\left( {\frac{1}{{28}}} \right)^{1.5}}$$
$${\left( {\frac{1}{{28}}} \right)^2}$$ $${\left( {\frac{1}{{28}}} \right)^2}$$

“Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________?

1 Mark(s)

Your Answer:

Aufbau principle Aufbau principle
Pauli exclusion principle Pauli exclusion principle
Hund’s rule Hund’s rule
Periodic law Periodic law

Computer instructions written with the use of English words instead of binary machine code is called:

1 Mark(s)

Your Answer:

mnemonics mnemonics
symbolic code symbolic code
gray codes gray codes
opcode opcode

Which one of the following is commonly used to define the overall design of the database?

1 Mark(s)

Your Answer:

Application program Application program
Data definition language Data definition language
Schema Schema
Source code Source code

A temporary rigid structure having platforms to enable masons to work at different stages of a building, is known as

1 Mark(s)

Your Answer:

Scaffolding Scaffolding
Dead shore Dead shore
Raking shore Raking shore
Under pinning Under pinning

What is the smallest and largest font size available in Font Size tool on formatting toolbar?

1 Mark(s)

Your Answer:

6 and 72 6 and 72
6 and 68 6 and 68
8 and 72 8 and 72
7 and 72 7 and 72

Belgium, Britain, Canada, Denmark, France, Iceland, Italy, Luxembourg, Netherlands, Norway, Portugal and US were original signatories of NATO. Germany joined NATO in 1955 and Spain in 1982. The country admitted to the alliance in 1952 was:

1 Mark(s)

Your Answer:

Greece Greece
Turkey Turkey
Both of them Both of them
None of them None of them

Which cells are most appropriate to study lysosomes?

1 Mark(s)

Your Answer:

White blood cells White blood cells
Nerve cells Nerve cells
muscle fibres muscle fibres
Leaf mesophyll Leaf mesophyll

The Phillips curve shows the relationship between inflation and what ?

1 Mark(s)

Your Answer:

The balance of trade The balance of trade
The rate of growth in an economy The rate of growth in an economy
The rate of price increase The rate of price increase
Unemployment Unemployment

Main source of energy in Pakistan is:

1 Mark(s)

Your Answer:

Hydro-electricity Hydro-electricity
Atomic energy Atomic energy
Coal energy Coal energy
None of these None of these

Which is not covered under the scope of managerial economics?

1 Mark(s)

Your Answer:

Profit management Profit management
Accounting theory Accounting theory
Pricing policies Pricing policies
Production analysis Production analysis

: What is the primary use of post-order traversal in binary trees?

1 Mark(s)

Your Answer:

To create a sorted list To create a sorted list
To evaluate expressions To evaluate expressions
To copy the tree To copy the tree
To delete nodes To delete nodes

The antibody that is first formed after infection is:

1 Mark(s)

Your Answer:

IgG IgG
IgM IgM
IgD IgD
IgE IgE

With respect to ease of spoilage, foods are classified into how many categories?

1 Mark(s)

Your Answer:

Two Two
Three Three
Four Four
Five Five

Which of the following pairs in the given sequence represents the initial as well as the final step incurred in the T&D program?

1 Mark(s)

Your Answer:

Evaluating T&D program followed by implementing it.
Determining the need for the T&D program and then evaluating the T&D program.
Determining the need for the T&D program followed by designing the T&D program itself.
Designing the T&D program and then implementing it.

Who first discovered how blood circulates in the human body?

1 Mark(s)

Your Answer:

Edward Jenner Edward Jenner
Joseph Lister Joseph Lister
William Harvey William Harvey
Gregor Mendel Gregor Mendel

Which of these is not an example of an organisation's general environment?

1 Mark(s)

Your Answer:

Economic conditions Economic conditions
Political conditions Political conditions
Social conditions Social conditions
Organisational culture Organisational culture

The copy which is made of the market leader’s product but differentiates its pricing and distribution strategies is classified as _____________?

1 Mark(s)

Your Answer:

counterfeiter counterfeiter
cloner cloner
imitator imitator
adapter adapter

In which of the following reactions does H2PO4– act as an acid?

1 Mark(s)

Your Answer:

H3PO4 + H2O → H3O+ + H2PO4– H3PO4 + H2O → H3O+ + H2PO4–
H2PO4– + H2O → HPO42– + H3O+ H2PO4– + H2O → HPO42– + H3O+
H2PO4– + OH–→ H3PO4 + O2- H2PO4– + OH–→ H3PO4 + O2-
H3O+ + OH–→ 2H2O H3O+ + OH–→ 2H2O

The value of coefficient of discharge in comparison to cofficient of velocity is found to be ____________________?

1 Mark(s)

Your Answer:

Lesser Lesser
More More
Equal Equal
Zero Zero

What is European equity?

1 Mark(s)

Your Answer:

A stock or share A stock or share
A bond denominated in a currency that is alien to a substantial proportion of the underwrites through whom it is distributed and sold
A share issued simultaneously in different stock markets
A financial contract that derives its value from an underlying asset

Afghanistan gained its independence in 1921 under the leadership of:

1 Mark(s)

Your Answer:

Jamal u din Afghani Jamal u din Afghani
Nadir Shah Nadir Shah
Aman ul Allah Aman ul Allah
None of these None of these

Under Section 2(xvi), ‘electoral area’ means:_______________?

1 Mark(s)

Your Answer:

a village or a census block a village or a census block
a ward or a census block a ward or a census block
None of these None of these
Both of these options Both of these options

Mass communication research involves . . . . . . . . studies.

1 Mark(s)

Your Answer:

professional professional
journalism journalism
communication communication
doctoral doctoral

Which of the following describes a Hamiltonian graph's characteristics?

1 Mark(s)

Your Answer:

They can never have cycles They can never have cycles
They can have disconnected components They can have disconnected components
They must have cycles They must have cycles
They always contain Eulerian cycles They always contain Eulerian cycles

Mujtaba wants to record his monthly expenses on the computer. Which software should he use?

1 Mark(s)

Your Answer:

MS Excel MS Excel
MS Word MS Word
MS PowerPoint MS PowerPoint
None of these None of these

The excess pressure inside a spherical soap bubble of radius $R$ is:

1 Mark(s)

Your Answer:

$2T/R$ $2T/R$
$T/R$ $T/R$
$4T/R$ $4T/R$
$3T/R$ $3T/R$

A technique used by codes to convert an analog signal into a digital bit stream is known as

1 Mark(s)

Your Answer:

Digital Signal Generator Digital Signal Generator
Pulse Code Modulation Pulse Code Modulation
Pulse Signal Modulation Pulse Signal Modulation
None of these None of these

Use of Borom and Zink can improve ?

1 Mark(s)

Your Answer:

rice yield rice yield
sugar yield sugar yield
cotton yield cotton yield
sunflower yield sunflower yield

Kidney disease happens due to overdose of?

1 Mark(s)

Your Answer:

Vitamin A Vitamin A
Vitamin B Vitamin B
Vitamin C Vitamin C
Proteins Proteins

The largest producers of coffee in the world is:

1 Mark(s)

Your Answer:

India India
Brazil Brazil
China China
USA USA

It is an electrical resistance thermometer made from a semi-conductor having a large, negative temperature co-efficient useful to measure the rock temperature

1 Mark(s)

Your Answer:

calibrator calibrator
thermistor thermistor
micro-seismic monitor micro-seismic monitor
geophone geophone

What is the purpose of the url json?

1 Mark(s)

Your Answer:

Belongs to JSON object Belongs to JSON object
Reference JSON formatted data Reference JSON formatted data
Belongs to JSON Belongs to JSON
None of the mentioned None of the mentioned

BIOS stands for:

1 Mark(s)

Your Answer:

Basic Input Output System Basic Input Output System
Binary Input Output System Binary Input Output System
Basic Internal Output System Basic Internal Output System
Basic Input Operating System Basic Input Operating System

Which rock type is most likely to fail by brittle fracture?

1 Mark(s)

Your Answer:

Sandstone Sandstone
Shale Shale
Claystone Claystone
Gypsum Gypsum

Which one of the following models is not suitable for accommodating any change ?

1 Mark(s)

Your Answer:

Build & Fix Model Build & Fix Model
Prototyping Model Prototyping Model
RAD Model RAD Model
Waterfall Model Waterfall Model

What is the primary goal of dimensionality reduction techniques in data modeling?

1 Mark(s)

Your Answer:

To increase model complexity To increase model complexity
To improve model accuracy To improve model accuracy
To reduce dimensionality To reduce dimensionality
To calculate summary statistics To calculate summary statistics

Stemming Ration is given during last week of _____________________?

1 Mark(s)

Your Answer:

Conception Conception
Pregnancy Pregnancy
Parturition Parturition
None of above None of above

Carbon footprint can be reduced by:?

1 Mark(s)

Your Answer:

Commuting by public transport Commuting by public transport
Recycling waste material Recycling waste material
Using energy-efficient appliances Using energy-efficient appliances
All of these Answer All of these Answer

What is 3 × 3?

1 Mark(s)

Your Answer:

9 9
6 6
12 12
15 15

Which one metal belongs to Alkaline earth metal?

1 Mark(s)

Your Answer:

B B
Bi Bi
Br Br
Ba Ba

A first-order ordinary differential equation in the form: M(x,y)∂x+N(x,y)∂y is:

1 Mark(s)

Your Answer:

Homogeneous ODE Homogeneous ODE
Non homogeneous ODE Non homogeneous ODE
Partial ODE Partial ODE
nonlinear ODE nonlinear ODE

3, 8, 13, 18, 23, 28, 33, ... choose which pair of numbers comes next?

1 Mark(s)

Your Answer:

39, 44 39, 44
38, 44 38, 44
38, 43 38, 43
37, 42 37, 42
33, 38 33, 38

Which character is used to represent a comment in C code?

1 Mark(s)

Your Answer:

# #
// //
/* /*
; ;

The specific heat of a gas in an isothermal process is:

1 Mark(s)

Your Answer:

Infinite Infinite
Zero Zero
Negative Negative
Constant Constant

Which of the following is essential for success, when formal methods are used for the first time ?

1 Mark(s)

Your Answer:

Expert training Expert training
Consulting Consulting
Prerequisite knowledge Prerequisite knowledge
Both Expert training and Consulting Both Expert training and Consulting

REHEARSAL : PERFORMANCE :: PRACTICE : ?

1 Mark(s)

Your Answer:

Training Training
Sport Sport
Competition Competition
Exercise Exercise

In a typical medium speed, 4-stroke cycle diesel engine

1 Mark(s)

Your Answer:

Fuel injection starts at 10° before top dead center and ends at 20° after top dead center
Fuel injection starts at top dead center and ends at 20° after top dead center
Fuel injection starts at just before top dead center and ends just after top dead center
May start and end anywhere May start and end anywhere

When a salt is mixed with water it forms a:

1 Mark(s)

Your Answer:

solution solution
medicines medicines
food additive food additive
preserver preserver

Fifth wife of Hazrat Muhammad (SAW) was _______.

1 Mark(s)

Your Answer:

Hazrat Salma (RA) Hazrat Salma (RA)
Hazrat Sauda (RA) Hazrat Sauda (RA)
Hazrat Zainab binte Khazeema (RA) Hazrat Zainab binte Khazeema (RA)
Hazrat Hafsa (RA) Hazrat Hafsa (RA)

Its how we describe the things we see, smell and touch ______________of tacts?

1 Mark(s)

Your Answer:

examples examples
acting acting
both both
none of these none of these

A formis regarded as

1 Mark(s)

Your Answer:

Universal Universal
Particular Particular
General General
Rare Rare

Complete drug elimination occurs after how many hours, if t½ is 4 hrs______________?

1 Mark(s)

Your Answer:

12 hrs 12 hrs
20 hrs 20 hrs
25 hrs 25 hrs
30 hrs 30 hrs

Of the Population Jerusalem, the Palestinians are:

1 Mark(s)

Your Answer:

20% 20%
30% 30%
40% 40%
50% 50%

Complete: B, D, G, K, P, ?

1 Mark(s)

Your Answer:

V V
U U
W W
T T

Match the following in the term of Theories and Bases. List I (Theories) List II (Bases) a. Cultural feminism 1. Gender oppression b. Socialist feminism 2. Gender inequality c. Liberal feminism 3. Gender difference d. Radical feminism 4. Structural oppression

1 Mark(s)

Your Answer:

a-3, b-4, c-2, d-1 a-3, b-4, c-2, d-1
a-2, b-3, c-1, d-4 a-2, b-3, c-1, d-4
a-1, b-2, c-3, d-4 a-1, b-2, c-3, d-4
a-3, b-2, c-1, d-4 a-3, b-2, c-1, d-4

Decision making process has been proposed by _______ in _______?

1 Mark(s)

Your Answer:

Henry Mintzberg, 1973 Henry Mintzberg, 1973
Herbert Simon, 1960 Herbert Simon, 1960
Blake Lves, 1955 Blake Lves, 1955
Michael Hammer, 1975 Michael Hammer, 1975

Fallacy of presumption is committed only when we make unnecessary dogmatic presumptions

1 Mark(s)

Your Answer:

True True
False False

How many amino acids are synthesized by our bodies?

1 Mark(s)

Your Answer:

10 10
20 20
30 30
40 40

A transformer core is laminated to

1 Mark(s)

Your Answer:

reduce hysteresis loss reduce hysteresis loss
reduce eddy current losses reduce eddy current losses
reduce copper losses reduce copper losses
reduce all above losses reduce all above losses

Dividend irrelevance argument of MM model is based on

1 Mark(s)

Your Answer:

Hedging Hedging
Issue of debentures Issue of debentures
Liquidity Liquidity
Arbitrage Arbitrage

Celestial body that affects tides of Ocean is?

1 Mark(s)

Your Answer:

Sun Sun
Moon Moon
Galaxy Galaxy
Meteorites Meteorites

The strongest bone in human body is?

1 Mark(s)

Your Answer:

Femur Femur
Tibia Tibia
Ulna Ulna
Wrist bone Wrist bone

Which one of the following is the most suitable type of impeller for mixing high viscosity (viscosity > 105 cP) fluids?

1 Mark(s)

Your Answer:

Propeller Propeller
Helical ribbon Helical ribbon
Paddle Paddle
Flat blade turbine Flat blade turbine

The Third session of the Khilafat Conference was held in Bombay on __________?

1 Mark(s)

Your Answer:

January 1920 January 1920
February 1920 February 1920
November 1919 November 1919
None of These None of These

What happens if constructor of class A is made private?

1 Mark(s)

Your Answer:

Any class can instantiate objects of class A
Objects of class A can be instantiated only within the class where it is declared
Inherited class can instantiate objects of class A
classes within the same package as class A can instantiate objects of class A

Evaluating Your Answers

R Programming Mock Test 2 : Question 1 of 67