Microsoft Excel Shortcut Keys
Microsoft Excel Shortcut Keys
Microsoft Excel Shortcut Keys
F2: Edit the selected cell.
F5: Go to a specific cell. For example, C6
Ctrl+Shift+;: Enter the current time
Ctrl+:: Enter...
Microsoft Powerpoint Short Cut Keys
Microsoft Powerpoint Short Cut Keys
Microsoft Powerpoint Short Cut Keys
Shortcut while preparing PowerPoint presentation
Ctrl+N: Create a new presentation
Ctrl+K: Insert hyperlink
F7: Check the spelling
CTRL+M: Insert new...
Abbreviations Related to Computer Science
Abbreviations Related to Computer Science
Abbreviations Related to Computer Science
A.B.C. –– Atana Soff Berry Computer
A.I. –– Artificial Intelligence
A.L.U. –– Arithmetic Logical Unit
ASCC–– Automatic Sequence Controlled...
Branches of Science
Branches of Science
Branches of Science
Branch Concerned Field
Angiology–– Study of blood vascular system.
Anthropology–– Study of apes and man.
Araneology–– Study of spiders.
Batracology–– Study of frogs.
Biochemistry––...
Scientific Laws Principles and Theories
Scientific Laws Principles and Theories
Scientific Laws Principles and Theories
Archimedes Principle
When an object (wholly or partially) is immersed in a liquid, it experiences a buoyant...
List of Some Scientific Instruments
List of Some Scientific Instruments
List of Some Scientific Instruments
Altimeter––It measures the altitude used in aircraft.
Ammeter––It measures the strength of electric current (in amperes)
Anemometer––It measures...
Fathers of Some Branches of Science
Fathers of Some Branches of Science
Fathers of Some Branches of Science
Aristotle––Father of Nature’s History, Father of Biology, Father of Zoology.
Addison––Father of Endocrinology
Edward Jenner––Father of...
Common Numerical Values in Science
Common Numerical Values in Science
Common Numerical Values in Science
1. ð= 3.1416 memrizing aid:
2. Velocity of light= 3108 m/s
3. Magnitude of universal gravitational constant =...
Atomic Number
Atomic Number
Atomic Number
Element –– Symbol –– Atomic Number
Hydrogen ––– H ––– 1
Helium ––– He ––– 2
Lithium ––– Li ––– 3
Beryllium ––– Be ––– 4
Boron ––– B...
Some Important Alloys
Some Important Alloys
Some Important Alloys
Name ––– Composition ––– Use
Brass ––– Cu ((60 to 80%), Zn (40 to 20%) ––– For making household utensils
Broze ––– Cu...
Chemical Names of Common Compounds
Chemical Names of Common Compounds
Chemical Names of Common Compounds
Comp.Name –– Chemical Name –– Chemical Formulae
Dry Ice ––– Solid Carbon dioxide ––– Co2
Slaked Lime ––– Calcium...
Common Bodily Disorder
Common Bodily Disorder
Common Bodily Disorder
Allergy: A special reaction to a certain substance such as pollen or certain foods (causing sneezing, skin rashes, etc). Allergy...
Human Diseases and Affected Body Parts
Human Diseases and Affected Body Parts
Human Diseases and Affected Body Parts
Disease –––Affected body part
AIDS––Immune System of the body
Arthritis––Joints
Asthma––Bronchial muscles
Cataract––Eyes
Diabetes ––Pancreas and blood
Dermatitis––Skin
Diptheria ––Throat
Eczema––Skin
Glaucoma––Eyes
Goitre––Thyroid
Hepatitis––Liver
Jaundice ––Liver
Malaria ––Spleen
Meningitis––Spinal...
Common Drugs and Their Uses
Common Drugs and Their Uses
Common Drugs and Their Uses
Anaesthetics: Drugs that block sensory nerves and make the patient fully unconscious to prevent him from feeling...
Scientific Invention
Scientific Invention
Scientific Invention
Invention ––Inventor–––Year
Adding Machine––Blaise Pascal––1642
Aeroplane––Wright Brothers ––1903
Air Conditioning ––Willies Carrier––1911
Antiseptic ––Dr. Joseph Lister––1867
Aspirin ––Dr. Felix Hoffman––1899
Atom Bomb––Julius Robert Oppenheimer––1945
Automobile ––Karl Benz––1855
Automobile (steam)––Nicolas Cugnot––1769
Ballon––Jacques...
Scientific Discoveries
Scientific Discoveries
Discovery––– Discoverer––Year
San Salvador (Watling Island)––C. Columbus––1492
The Bahamas, Cuba and Haiti, Mainland ––Columbus––1498 Magellan Strait––Ferdinand Magellan ––1519-22
Canada––Jacques Cartier ––1534-36
Australia ––William Janszoon––1606
Bacteria––Anton Von Leeuwenhoek––1683
Sailed around...
MCQs on Environmental Science 2
MCQs on Environmental Science 2
MCQs on Environmental Science 2
Q. Choose the correct option from the alternatives given below each question.
101. Environmental science is...