Worksheetsclass 9 rocks
Total questions: 20
Worksheet time: 7mins
THROUGH A WOODEN BLOCK ELECTRIC CURRENT IS PASSESED WHAT WOULD HAPPEN TO BLOCK
BLOCK WILL GAIN MAGNITISM
BLOCK WILL GET HEATED
BOTH A AND B
NONE OF THE ABOVE
Alveoli is present in
heart
lungs
kidney
All of the above
The chlorophyll in photosynthesis is used for
Absorbing light
Breaking down water molecule
Reduction of CO2
No function
Proteins after digestion are converted into
Small globules
Amino acids
Carbohydrates
starch
Main site of photosynthesis
Stem
Leaf
Chloroplast
Guard cells
Bile juice is secreted by
Stomach
Small intestine
Pancreas
Liver
The small pores present of leaf’s surface are called
Stomata
Chlorophyll
Guard cells
None of these
Which one of the following is acidic?
MILK
LEMON JUICE
SODA
ALL OF THE ABOVE
Lime water is
CaO
Ca(OH)2
CaCO3
CaCI2
Which one of the following will turn red litmus blue?
Vinegar
MILK
SUGAR
BAKING SODA SOLUTION
NAME ANY NATURAL ACID BASE INDICATOR
(a)
What is that instrument which can detect the presence of electric current in a circuit?
motor
electrometer
galvanometer
none
A body of mass 1kg is attracted by the earth with a force which is equal to
9.8N
1 N
9.8m/s
6.67x 1011
Which of the following is a component of bio-gas?
CNG
Methane
Hydrogen sulphide
LPG
Which energy source is the largest source used in India?
CNG
Coal
LPG
Bio Gas
In which of the following kinetic energy is converted into electrical energy?
Tidal energy
Hydro energy
Wind energy
All of these
Which of the following is the odd one out?
Petroleum
Hydro electricity
Coal
CNG
Which of the following produces energy because of temperature difference at various levels in ocean.
Tidal energy
Wave energy
Solar energy
Ocean thermal energy
Blood consist of what fluid medium?
Lymph
Platelets
Plasma
All of these
Carbohydrates in the plants are stored in the form of
Glycogen
Starch
Maltose
Glucose
