Digestive System
Which juice is produced by the liver?
Bile
Infrasound has frequency less than
20 Hz
Light travels in a ________ line
Straight
State the full form of CNG
Compressed Natural Gas
Which organ breaks down food using hydrochloric (gastric) acid?
Stomach
Which animal can produce ultrasound?
Bat
Light bounces back when it strikes a surface. This is called ________ of light
Reflection
Ore
What is the length of the large intestine?
1.5 m
Sound is produced because of
A vibrating object
Light spreads in all directions when it hits small particles like dust. This is called ________ of light
Scattering
Which are the three fossil fuels?
Coal, Crude Oil, Natural Gas
Which organ produces the enzymes trypsin, lypase and amylase?
Pancreas
Sound travels fastest in
Solids
The lighter part of an object's shadow is called
Penumbra
Which gas is mainly present in Natural Gas?
Methane
Food moves through oesophagus through muscle contractions. This is called
Peristalsis
Sound wave travels in the form of C_______ and R________
Compressions and Rarefactions
Retina of the eye retains the image of an object for _______seconds
1/16
State the full form of LPG
Liquified Petroleum Gas