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RRB Group D Test 4

‘Alps Mountains’
Young Fold Mountains
highest and most extensive mountain range in Europe.


 Pilibhit Tiger Reserve
Uttar Pradesh

 Lakhimpur Kheri and Bahraich districts of Uttar Pradesh.



For correcting Astigmatism
Cylindrical lens


Ohm's law was given by ________.
George Simon Ohm
V∝I
V=IR


------------------------------------

“Growth with justice” _main objectives of which Five-Year Plan?
Ninth


book named "India at Risk"?
Jaswant Singh



Who invented first working laser?
T. H. Maiman



 B. C. Roy Award
Medical




The term “Back hand” is associated to which sport?
Badminton


Connecting link between animal and plant is called _________.
Euglena 

Euglena _chlorophyll like plants_does not have a cell wall like animals.



The Revolt of 1857 was described as 'A National Rising' by ________.
Benjamin Disraeli






Current Affairs

Golden Lion Award { highest prize given to a film at the Venice Film Festival}
film "Joker



goodwill ambassador for indigenous peoples by UNESCO
Yalitza Aparicio



rank of India_annual glob…

AFCAT Mock Test 1

1. INS Vikramaditya is associated with ________.
Aircraft carrier



2.author of Kiratarjuniya?
Bharavi


>Dandin wrote Dasakumaracharitra

>Mahendravarman I (Pallava empire) wrote 'Mattavilasaprahasan'



_________________________________________________________________________


3. folk dance Oyilattam associated with
Tamil Nadu

Kerala~ Kanniyar Kali

*Andhra Pradesh~ Lambadi





 4. Colombia
 Capital~ Bogota

 Currency~ Colombian Peso




5. author of 'My Favorite Nature Stories'?
Ruskin Bond



6. first air-to-air missile developed by India?
Astra




7. Who_record-breaking 7th win at 2019 Canadian Grand Prix?.
​Lewis Hamilton



8. Prime Minister of Thailand
Prayuth Chan-ocha


Railway Group D - Mock Test 1

# Atal Innovation Mission is set up under the
NITI Aayog



1. Main constituent of Biogas after Methane?
Carbon dioxide



*2. Rainbow_natural phenomenon of ___ of light.
Dispersion

>Dispersion is the phenomenon by which white light splits into its 7 constituent colours




3. Cold blooded animal?
Shark

>Fishes, amphibians, & reptiles are cold-blooded animals.




4. process of amendment_in which part of Indian Constitution?

Part 20

>Article 368 in part 20

{Part XXI~ Temporary, Transitional and Special Provisions}




5. Which is not a connective tissue?
[Skin] is an example of epithelial tissue.


{Cartilage, Bone, and Blood tissues are examples of connective tissues.}





**6. Idea of the Concurrent List has been taken from constitution of __.
Australia

Also [The joint sitting of two Houses of Parliament.]




7. Process of waste water treatment is commonly known?
Sewage treatment




8. Which of following is hardest metal?
1st~Diamond
2nd~[Tungsten]


>Platinum is one of the softest metal. That's why it is used in Jewel…

Vitamins, Human Body, Diseases

Vitamins:

B1Thiamine

B2Riboflavin

B3Niacin or Nicotinic acid


B12Cyanocobalamin


KPhylloquinone or Naphthoquinone




Common Human Diseases and Affected Body Part:

AsthmaBronchial muscles

BronchitisLungs

CystitisBladder

GlaucomaEye

HepatitisLiver

MalariaSpleen

RhinitisNose

TrachomaEye

OtitisEar

MyelitisSpinal cord





Important Facts About Human Body

Number of Cells in the body:75 trillion

Other name of Red Blood Cell (R.B.C.):Erythrocytes

Largest White Blood Cells:Monocytes

Smallest White Blood Cells:Lymphocyte


Haemoglobin (Hb):
1. In male: 14-15 gm/100 c.c. of blood
2. In female: 11-14 gm/100 c.c. of blood



Universal blood recipient:AB


Breathing Rate at rest:12-16/minute


Number of Spinal Nerves:31 pairs


Largest Endocrine Gland:Thyroid gland

Largest Gland:Liver

Largest Muscle in the body:Gluteus Maximus

Smallest Muscle in the body:Stapedius

Largest Artery:Aorta

Largest Vein:Vena Cava


Largest and longest Nerve:Sciatic Nerve

Longest Cell:Neurons (nerve cells)


Thinnest Skin:-Eyelids

Weight of Heart:200-300 gm

Diseases caused by Virus, Bacteria, Protozoa

Disease caused by Viruses:

Chicken pox - Varicella-zoster virus.

Small Pox - Variola virus.

 Common Cold -Rhinovirus.

Dengue fever
Measles 
Viral encephalitis - It is an inflammation of the brain




Disease caused by Bacteria:
 Whooping Cough~ Bordetella pertussis.
Diphtheria
Cholera
 Leprosy
Pneumonia
Tetanus
Typhoid ~Salmonella typhi.
Tuberculosis~ Mycobacterium tuberculosis.
Plague 




Disease caused by Protozoans:
Malaria ~spread by Anopheles mosquitoes.

Amoebic dysentery

Sleeping sickness

Kala azar - Leishmania donovani.

Ores and Alloys

   Ores

Antimony (Sb)~Stibnite

Iron (Fe)~Hematite, Magnetite

Lead (Pb)Galena

Magnesium (Mg)~Magnesite

Tin (Sn)~Cassiterite

nickel (Ni)~  pentlandite 


Copper (Cu)Malachite, Chalcocite, Chalcopyrite, Cuprite

Calcium (Ca)~Chalk, Quicklime, Calcite, Dolomite, Gypsum

Barium (Ba)Barite

Common Names of Chemical Compounds

Common Names

Blue Vitriol~Copper Sulphate

Green Vitriol~  Ferrous Sulphate

Bleaching Powder~ Calcium Oxychloride

Chalk (Marble)~   Calcium Carbonate

Caustic Soda~   Sodium Hydroxide

Washing Soda~   Sodium Carbonate

Gypsum~    Calcium Sulphate

Slaked Lime~    Calcium Hydroxide

Quick Lime~Calcium Oxide

Potash Alum~Potassium Aluminium Sulphate

Mohr's Salt~Ammonium Ferrous Sulphate

Magnesia~Magnesium Oxide

T.N.T.~Trinitrotoluene