An electromagnet behaves as a magnet when current is
Stopped from flowing through it
Allowed to flow through
Not allowed to flow through
None of these
[blank_start]Carbohydrates[blank_end] are synthesized by plants through the process of photosynthesis. These are made up of Carbon ,Hydrogen and [blank_start]Oxygen[blank_end] . These are used to Synthesis other components of food such as proteins and fats.
Some bases along with their sources are given below . Which of them correctly match?
Calcium hydroxide -Lime water
Ammonium hydroxide-Window Cleaners
Potassium Hydroxide- Soap
Which of the following statements is /are incorrect?
The level of expansion of mercury is used to measure the temperature of a substance using a thermometer
The clinical thermometer measures more accurately than laboratory thermometer
The normal temperature of a human is the average body temperature of large number of healthy person
A carnivore with stripes on its body moves very fast while catching its prey. Where does it is more likely to found?
Tropical Rain forests
complete the following sentence.
The solution which do not change the colour of either red or blue litmus are known as [blank_start]Neutral solution[blank_end]
None of these
Sita and Gita are two sisters staying in different cities . both were gifted an iron statue by their brother .Sita has to take a lot of care to maintain the shine of the statue , however , Gita does not need to make such efforts . This is because
Sita stays in Bombay
Gita stays in Bombay
The humid weather of Bombay makes the statue prone to rusting.
Gita stays in Jaipur
Which of the following Statements is / are incorrect?
Phloem tubes are only found in the leaves of the plants as this is where the sugars are made
The volume of blood in an average human adult is 10 liters
Blood contains many more white blood cells than red blood cells
All the following are incorrect.
while cooking , closing the cooking pan with the lid allows the food to cook faster, because the lid reduces the loss of heat through [blank_start]convection[blank_end] to the surrounding.
In a cricket stadium when the flood lights were switched on at 7:00 p:m , multiple shadows of the stumps appeared. It was found that the length of the shadows of the stump remained the same throughout the match.Why did that happen?
Because the stumps were too far away from the floodlights
Because the floodlights and the stumps were fixed and not moving
Because the length of the shadows do not change when there are multiple shadows
Because the length of the shadows change only when there is single light source
Which of the following statement is about periodic motion?
1) Halley's comet is visible on earth every 75 years
2) Planet Jupiter completes an orbit around the sun every 11.86 years
3) The daily flight between Chennai and Delhi takes 3 hours to complete
Which of the following had to happen before Uranus, Neptune could be discovered?
a) Discovery of craters on the moon
b) Development of technology to land on the moon
c) Copernicus proposing a sun centered solar system
d) Development of technology to make high quality telescope
Which of the following is incorrect?
Early in the morning we can see liquid droplets on the leaves. Some drops are due to the water absorbed from the ground appearing on the leaves.The other reason for this to appear is
a) Condensation of moisture in the air
b) Condensation of all gases in the air
c) Evaporation of moisture from the leaves
d) Evaporation of many gases from the leaves
Ever cell in our body requires oxygen.[blank_start]Respiratory and Circulatory[blank_end] are the two body systems work together to transport oxygen to the cells
Respiratory and Circulatory
Digestive and respiratory
respiratory and excretory
skeletal & respiratory
Among the 8 planets of the solar system [blank_start]Mercury[blank_end] has a least gravity because it has least mass among all the planets
Swathi has some rubber soled shoes and some tipped high heeled shoes.She would like her shoes to last long and also to protect the marble floor of her office from scratches.What should she do?
1) Wear rubber soled shoes on the road as well as in the office
2) Wear steel tipped high heeled shoes on the road as well as in the office
3) Wear rubber soled shoes in the office and steel tipped high heeled shoes on the road
4) Wear steel tipped high heeled shoes in the office and rubber soled shoes on the road
[blank_start]Snake slithering in a garden[blank_end] is a example of the animal moving without the help of the skeleton
Snake slithering in a garden
Fish swimming in water
Cockroach walking on a wall
Dog walking on the road
The distance between earth and moon is greater than the distance between India & America.Light from the moon reaches the earth naturally but light from India cannot reach America in the same way because light normally travels in a [blank_start]straight line[blank_end]
Which of these is false about seeds?
They are living things
They can grow without air
Sunlight causes harm to them
They can grow even in the absence of water
Rahul brought a new pair of shoes, but was finding them quite slippery.What can he do to make them less slippery
1) Apply polish evenly across the sole
2) Stick a thin sheet of metal under the sole
3) Cut a part of heel to reduce its height
4) Attach a sheet of rubber to the bottom of the sole
A vacuum cleaner when switched on sucks in a mixture of air and lot of dust along with other substances.The air passes through a porous paper or cloth bag and then comes out.The air that comes out would have less of [blank_start]dust[blank_end] as compared to the air sucked in
which of the following diseases are in right group?