BASIC SCIENCE

All oF these are components of blood except

• platelets

• plasma

• leucocytes

• catalyst

Which of these helps in blood clotting?

• vitamin B

• vitamin D

• vitamin K

• vitamin A

The force which opposes motion between surfaces is called _______

• friction

• gravity

• pressure

• mass

What is the scientific symbol of Glucose?

• C₃H₂O₅

• C₆H₁₂O₆

• C₂H₄0₃

• CH₂O₇

The friction that exists betwen the layers of a liquid is known as _______

• density
• viscosity
• buoyancy
• surface tension

Which of these organs secretes bile from the digestion of lipids

• heart

• lungs

• liver

• pancreas

Which of these is a safety device used in connecting electric circuit

• gimlet

• filament

• periscope

• fuse

What shape does the human backbone or spinal cord have

• A

• K

• S

• D

The active part of air is _______________

• hydrogen

• oxygen

• carbon dioxide

• sodium

Which of these pigments give plants their characteristic green colour?

• buds

• sulphur

• epigeal

• chlorophyll