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General Awareness

Biology Questions for Competitive Exams

Dear readers, following are some important biology questions for competitive exams like SSC, CTET, UPTET etc. Practice them for your preparations.

Q 1. Who discovered bacteria?

  1. Robert Hook
  2. Robert Brown
  3. Robert Koch
  4. Anton van Leeuwenhoek

Q 2. The branch of biology dealing with the study of cells is known as ?

  1. Cytology
  2. Histology
  3. Psychology
  4. Physiology

Q 3. The basic structural and functional unit of living organisms is

  1. Cell
  2. Tissue
  3. Organ
  4. systems

Q 4. Which among the following is the smallest living cell?

  1. Virus
  2. Yeast
  3. Bacterium
  4. Mycoplasma

Q 5. Which  one of the following is called as the digestive bag in the cell

  1. Lysosome
  2. Mitochondria
  3. Ribosome
  4. Golgi body

Read – विलोम शब्द Vilom Shabd for Competitive Exams

Q 6. A warm blooded animal is?

  1. Snake
  2. Bat
  3. shark
  4. ascorbic

Q 7. Maximum number of ribs are present in

  1. Whale
  2. Rabbit
  3. Snake
  4. cockroach

Q 8. Which of the following has no skeleton at all?

  1. Star Fish
  2. Sponge
  3. Silver Fish
  4. Jelly Fish

Q 9. Cellulose  is the chief constituent of

  1. Cell wall
  2. Cell Membrane
  3. Body wall of insects
  4. Secondary wall of Xylem

Q 10. The element which is the most abundant in the human body is

  1. Oxygen
  2. Carbon
  3. Iron
  4. Nitrogen

Q 11. The enzyme that is present in the saliva of man is

  1. Pepsin
  2. Rennin
  3. Amylase
  4. Trypsin

Q 12. Iodine solution is used to test the presence of

  1. Sugar
  2. Fats
  3. Protein
  4. Starch

Q 13. Which one of the following elements is associated with  teeth disorder?

  1. Chlorine
  2. Fluorine
  3. Bromine
  4. Iodine

Read – पर्यायवाची शब्द – Paryayvachi Shabd for Competitive Exams

Q 14. The study of Visceral organs is

  1. Angiology
  2. Arthrology
  3. Anthrology
  4. Splanchnology

Q 15. Normal fasting blood sugar level per100 mL of blood in man is

  1. 30-50 mg
  2. 50-70 mg
  3. 80-100 mg
  4. 120-140 mg

Q 16. The longest bone in the human body is

  1. Femur
  2. Tibia
  3. Humerus
  4. Ulna

Q 17. Which of the following is correlated with blood pressure?

  1. Liver
  2. Testis
  3. Pancreas
  4. Adrenal

Q 18. The medical term used for the sleeplessness

  1. Insomnia
  2. Somnambulism
  3. Hallicunation
  4. Nyctinuria

Q 19. Pituitary gland is situated in at the

  1. base of the heart
  2. base of the brain
  3. neck
  4. abdomen

Q 20. The study of extinct animals is called

  1. Herpetology
  2. Ornithology
  3. Geology
  4. Palaeontology

Q 21. Study of fossils is called

  1. Autecology
  2. Entomology
  3. Palaeontology
  4. Anthropology

Q 22. The viral disease is

  1. Amoebiasis
  2. Smallpox
  3. Malaria
  4. diptheria

Q 23. The pair of diseases caused by virus is

  1. Rabies and mumps
  2. Typhoid and tetanus
  3. AIDS and syphills
  4. Cholera and tuberculosis

Q 24. One of these is not a viral disease

  1. Leprosy
  2. Polio
  3. Chickenpox
  4. rabies

Q 25. Vaccine for tuberculosis is

  1. PAS Vaccine
  2. OPV
  3. DPT
  4. BCG Vaccine

Q 26. Ringworm is a …….. disease

  1. Viral
  2. Protozoan
  3. Fungal
  4. Bacteria

Q 27. Which of the following diseases usually spread through milk

  1. Cholera
  2. Diphtheria
  3. Jaundice
  4. Tuberculosis

Q 28. Which was the first antibiotic?

  1. Terramycin
  2. Neomycin
  3. Penicillin
  4. streptomycin

Q 29. Widal test is carried out  to test

  1. Malaria
  2. HIV/AIDS
  3. Diabetes mellitus
  4. Typhoid fever

Q 30. Which of the following functions is performed by the kidneys in the human body

  1. Excretion
  2. Respiration
  3. Digestion
  4. transportation

Q 31. Which of the following  carries oxygen to various parts of human body?

  1. White blood cells
  2. Red blood cells
  3. Plasma
  4. nerves

Q 32. Which vitamin is obtained from sun-rays

  1. Vitamin A
  2. Vitamin C
  3. Vitamin D
  4. Vitamin K

Q 33. Polio is caused by

  1. Bacteria
  2. Virus
  3. Protozoan
  4. Fungus

Q 34. Which of the digestive organs  contain acid?

  1. Stomach
  2. Small intestine
  3. Appendix
  4. Colon

Q 35. Molybdenum deficiency affects the activity of

  1. Nitrogenase
  2. Nitrate reductase
  3. Chlorate reductase
  4. All of the above

Q 36. AIDS virus destroys

  1. Monocytes
  2. Neutrophils
  3. Basophils
  4. Lymphocytes

Q 37. Antibodies are mainly  synthesized from

  1. Megakaryocyte
  2. Monocyte
  3. Lymphocyte
  4. histicoyte

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Computer

Computer related Abbreviations and their Full Form

Abbreviation Full Form
ACE Access Control Entry
AI Artificial Intelligence
ALU Arithmetic Logic Unit
ASCII American Standard Code For Information Interchange
BASIC Beginner`s All Purpose Symbolic Instruction Code
BCD Binary Coded Decimal
BIOS Basic Input Output System
BMP Bitmap
BPS Bytes Per Seconds
CAD Computer Aided Design
CD Compact Disc
CD-RW Compact Disc ReWritable
CDROM Compact Disc Read Only Memory
COBOL Common Business Oriented Language
CPU Central Processing Unit
DBMS Data Base Management System
DHTML Dynamics Hyper Text Markup Language
DOS Disk Operating System
DRAM Dynamic Random Access Memory
DVD Digital Versatile Disc
EAROM Electrically Alterable Read Only Memory
EEPROM Electrically Erasable Programmable Read Only Memory
ENIAC Electronics Numerical Integrator And Calculator
EPROM Erasable Programmable Read Only Memory
EROM Erasable Read Only Memory
FDD Floppy Disk Drive
FIFO First In First Out
FORTRAN Formula Translation
FTP File Transfer Protocol
GB Giga Bytes
GIF Graphic Interchange Format
GUI Graphical User Interface
HDD Hard Disk Drive
HTML Hyper Text Markup Language
HTTP Hyper Text Transfer Protocol
IO Input Output
IBM International Business Machines
IC Integrated Circuit
IE Internet Explorer
IP Internet Protocol
ISO International Standard Organization
ISP Internet Service Provider
IT Information Technology

Also read – How to Check Divisibility by 8, 9, 10, 11, 12, 15 and 16

Abbreviation Full Form
JPEG Joint Photographic Experts Group
KB Kilo Bytes
KBPS Kilo Bytes Per Second
LAN Local Area Network
LIFO Last In First Out
MAN Metropolitan Area Network
MB Mega Bytes
MBPS Mega Bytes Per Second
MICR MagneticInk Characters Reader
MODEM Modulator And Demodulator
MP3 Motion Pictures Experts Group Layer 3
MPEG Motion Pictures Experts Group
MS Microsoft
MSDN Microsoft Developer Network
MSIIS Microsoft Internet Information Server
MSN Microsoft Network
NCP Network Control Protocol
NIIT National Institute Of Information Technology
OCR Optical Character Readers
OMR Optical Mark Reader
OS Operating System
PC Personal Computer
PCI Peripheral Component Interconnect
PDA Personal Digital Assistant
PDF Portable Document Format
PDL Page Description Language
PILOT Programmed Inquiry Learning Or Teaching
PNG Portable Network Graphics
PNP Plug And Play
PROM Programmable Read Only Memory
RAM Random Access Memory
ROM Read Only Memory
SAP Systems Applications Products
SQL Structured Query Language
TB Tera Bytes
TCP Transmission Control Protocol
TCPIP Transmission Control Protocol Internet Protocol
UI User Interface
URL Universal Resource Locator
USB Universal Serial Bus
VAN Virtual Area Network
VB Visual Basic
VC++ Visual C++
VCD Video Compact Disc
VLSI Very Large Scale Integrated Circuits
VS Visual Studio
WAN Wide Area Network
WAP Wireless Application Protocol
WORM Write Once Read Many
WWW World Wide Web

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General Awareness

Sports – General Awareness

image source pexel.com

It has been seen that 1 or 2 questions are generally asked from topic sports under General Awareness in most competitive exams including SSC and various TETs. In this post important information is given from topic ‘sports’ under General Awareness.

Important Games and their Origin Countries

GameCountry / Place
VolleyballAmerica
KabaddiIndia
GolfScotland
BoxingGreece
BasketballAmerica
FootballEngland
CricketEngland
ArcheryPoland
OlympicAthens, Greece
Commonwealth GamesHamilton, Canada
Asian GamesIndia
South Asian GamesNepal
BilliardsNorthern Europe
ChessLondon
GymnasticsBelgium
Shooting America
SwimmingUSA
TennisEngland
Indian Olympic (National Games)Punjab, India
AFRO-Asian GamesHyderabad, India

Number of players in different sports

Also read – Important Antonyms for Competitive Exams (विपरीतार्थक शब्द)

SportsNumber of Players (in a team)
Polo4
Cricket11
Baseball9
Kabaddi7
Hockey11
Ice Hockey6
Basketball5
Rugby Football15
Volleyball6
Badminton 1 or 2
Khokho 9
Squash1 or 2
Football11
Tennis1 or 2

Terminologies in Some Major Sports

  • Chess: Checkmate, Gambit, Stalemate, Move, Resign etc.
  • Boxing: Knock-out, Foot work, Upper-cut, Card, Break, Buckle, Canvas, Accidental Butt, Punch, Bout, Bleeder, Bolo etc.
  • Cricket: Run-out, Hat-trick, Maiden, Follow-on, LBW, Stumped, No ball, Mid off, Bouncer, Googly, Full toss, Cut, Pull, Hook, Flick etc.
  • Football: Attacker, Back heel, Ball carrier, Back pass, Kick, Bicycle kick, Corner flat, Corner kick etc.
  • Badminton: Alley, Backcourt, Centre line, Baseline, Service, Shuttlecock, Smash, Woodshot etc.
  • Hockey: Centre, Defender, Forward, Bully, Penalty stroke, Goal, Penalty corner, Push-in , Free-hit etc.

Famous Sports Stadiums of World

Also read – How to Check Divisibility by 8, 9, 10, 11, 12, 15 and 16

StadiumPlaceSports
Eden GardenKolkata, IndiaCricket
Shivaji Stadium Mumbai, IndiaCricket
Sendy LodgeScotlandGolf
FlemingtonMelbourne, AustraliaHorse Racing
Ambedkar StadiumDelhi, IndiaFootball
Jawaharlal Nehru StadiumDelhi, India Athletics
Indraprastha StadiumDelhi, IndiaIndoor Games
WimbledonLondon, UKLawn Tennis
BrooklandEnglandFootball
White CityEngland, UKDog Race
national StadiumMumbai, IndiaHockey
Forest HillUSATennis
Yankeee StadiumNew York, USABoxing
BrooklynNew York, USABaseball

Important Cups and Trophies – International

Cups/ TrophiesSports
World CupCricket, Football, Hockey
US MastersGolf
UEFA Champion LeagueFootball
Tata OpenLawn Tennis
FIFA World CupFootball
French OpenLawn Tennis
Heineken CupLawn Tennis
Hopman Cup Lawn Tennis
League ChampionshipFootball
Liners OpenGolf
Premier League TrophyFootball
Scottish CupFootball
UEFA Champions LeagueFootball
US OpenLawn Tennis
Augusta MastersGolf
Azian CupHockey
DerbyHorse Racing
Colombo CupFootball
Australian OpenLawn Tennis
British OpenGolf
Champions TrophyHockey
Davis CupTennis

Indian National Cups & Trophies

Also read – भारत की बोले जाने वाली 22 भाषाएँ Bharat ki Boliyan in Hindi

Cup/TrophySports
IFA ShieldFootball
Dhyanchand TrophyHockey
Bombay Gold CupHockey
Aga Khan CupHockey
DCM TrpphyCricket
Burdwan TrophyWeight Lifting
B C Roy TrophyFootball
Durand CupFootball
Lady Ratan Tata TrophyHockey
Moinuddaula Gold CupCricket
Ezra CupPolo
Rangeshwari CupHockey
Nehru TrophyHockey
Subrato Mukherjee CupFootball
Santosh TrophyFootball
Rovers CupFootball
Radha Mohan CupPolo
Scindia Gold CupHockey
Wellington TrophyRowing
Ranji TrophyCricket
Beighton CupHockey

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Computer

Classification of Computer for Competitive Exams

Computer Classification
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Dear Readers, In this post Classification of Computer is given. Basically Computer is an electronic machine that accepts data (input) from the user, processes the data by performing calculations and operations on it and then generates the desired results (output) to the user.

Computers are mainly classified on the basis of Size, Work and Purpose as following:

Computer Classification on the basis of Size

On the basis of size, computers are classified as (i) Micro Computer, (ii) Mini Computer, (iii) Mainframe Computer and (iv) Super Computer as below:

(i) Micro Computer

Micro computers are the most widely used computers. They are also called portable computers, though they are the least powerful. Types of Micro computers are following:

  • Personal Computer (PC)
  • Laptop
  • Tablet
  • Handheld Computers
  • Personal Digital Assistant (PDA)
(ii) Mini Computer

Mini computers are more powerful and costly than Micro computes. They were designed initially for CAD (Computer Aided Design) related works but now they are used as central computer. E.g. IBM-17, HP-9000 etc.

(iii) Mainframe Computer

Mainframe computers are larger, faster and cost higher than Mini computers. They have large internal memory, computing and storage. They also have comprehensive range of softwares. E.g. IBM S/390/, UNIVAC 110 etc.

(iv) Super Computer

Super computers are fastest and the most expensive type of computers. They have very high processing speed. Their speed measurement unit is FLOPS (Floating point operations per second). E.g. CRAY-1, PARAM etc.

Also read Mobile Phone Security Tips मोबाइल फोन सिक्योरटी टिप्स

Computer Classification on the basis of Work

Computers are also classified on the basis of the work as (i) Analog Computer, (ii) Digital Computer and (iii) Hybrid Computer as mentioned below:

(i) Analog Computer

Analog computers are job oriented computers. They can perform several mathematical operations simultaneously. E.g. seismograph, speedometers etc.

(ii) Digital Computer

Digital computers work on the binary digits. They also perform mathematical calculations and produce desired results (graphics, sounds). E.g. Desktop (PC), Laptop etc.

(iii) Hybrid Computer

Hybrid computers are the combination of analog and digital computers. Several machines used in hospitals like DIALYSIS and ECG are the commonly used hybrid computers.

Also read भारत में नदियों के किनारे बसे शहर/ Nadiyon ke Kinare base Sahar

Computer Classification on the basis of Purpose

On the basis of purpose, computers can be classified as (i) General Purpose Computer and (ii) Special Purpose Computer as below:

(i) General Purpose Computer

The main use of General Purpose computers are to solve various types of problems bu using various types of programs, applications, software etc. E.g. to make small database, calculations, accounting etc.

(ii) Special Purpose Computer

The use of Special purpose computers are to solve a single particular type of problems. E.g. Automatic Aircraft Landing etc.

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Maths

Basic Formulas of Area and Perimeter

In most of the competitive examinations, questions have been asked from Area and Perimeter. Basic formulas for calculation of Area and Perimeter of 2-Dimensional and 3-Dimensional figures have been given in this post.

FigurePerimeterAreaNomenclature
Trianglea+b+c(bh)/2b= base
h= altitude
a,b,c= side of triangles
Parallelogram2(a+b)aha= side
b= side adjacent to a
h= distance between the parallel sides
Rectangle2(a+b)aba= length
b= breadth
Square4aa2
d2/2		a= side
d= diagonal
Rhombus4a(d1d2)/2 a= side
d1 and d2= Diagonals
Trapeziumsum of 4 sidesh(a+b)/2a,b= parallel sides
h= distance between parallel sides
Circle2πr πr2 r= radius of circle
π= 22/7 or 3.1416
Semicircleπr+2r(πr2)/2 r= radius of circle
π= 22/7 or 3.1416

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