Annie was eating cabbage , spinach and carrot. Which parts of the plant was she eating?
stem
root
leaves
all of the above
Polar bears and walruses look very different, but both can survive in extreme cold. A polar bear has a thick coat of fur that keeps it warm. The walrus has no fur. What does the walrus have that helps it keep warm?
fat layers or blubber
tusks
flippers
whiskers
good insulation helps in maintaining warm body temperature in cold water
The leafy sea dragon, an animal that is native to Southern Australia, looks very much like sea weeds. This is an example of .
Animals X, Y and Z are found in completely different habitats. Animal X is nocturnal and has developed many characters to conserve lose excrete transpire( conserve, lose, excrete, transpire ) as much water as possible in the body. Animal Y has furry body with thick skin. It is large in size and has padded webbed jointed large( padded, webbed, jointed, large ) feet. Animal Z is adapted to live on trees, sticky pads on its feet helps it to climb run on hop on swing on( climb, run on, hop on, swing on ) trees.
Observe the given diagram carefully and fill in the blanks. P represents , Q represents , R represents , S represents and T represents .
Rotation of the Earth on its axis is an example of motion and motion.
We can recycle water by
Reusing the water from washing clothes to cook.
Discharging factory waste into canals and seas.
Discharging sewage and waste materials into ocean.
Reusing the water from washing clothes to flush in the toilets.
The joint which exists between our skull and neck is pivot joint hinge joint ball and socket joint gliding joint( pivot joint, hinge joint, ball and socket joint, gliding joint ).
A worker built a sidewalk and pressed some large salt particles into the concrete while it was still wet. When the concrete was dry, the worker washed the sidewalk with water. The picture shows the sidewalk after it was washed. What most likely happened to the salt?
it evaporated into gas.
it turned into concrete.
it dissolved in the water.
it turned into solid.
Dry ice is used in fire extinguishers. Dry ice is stored in a cylinder in a solid form. When sprayed on fire it quickly changes into a gas known as carbon dioxide. What is this change of state called? Another substance which sublimes like dry ice is
sublimation
evaporation
distillation
condensation
camphor
When filtered through a funnel into a flask , a mixture of substances X, Y and Z get separated as below.
X stays in the filter. Y and Z enters through the filter and collect in the flask.
X could be mustard seeds oil water( mustard seeds, oil, water ), Y could be water sand chalk powder( water, sand, chalk powder ) and Z could be salt tea leaves pepper powder( salt, tea leaves, pepper powder ).
A ball is floating in a vessel of water as shown in the picture. Where will the ball be if it is put in a deeper vessel with more water in it?
What adaptation does the given organism show?
strong hind leg muscles
webbed feet
hollow bones
Loosely packed soil is important for plant growth because they
allow roots to grow deeper to absorb water and nutrients.
help to keep the root of the plant warm.
provide a source of oxygen for the plant to use.
prevents worms from eating the roots of the plant.
The graph below shows the numbers of a species of fish in a small pond. What kind of animal has been added at the point as shown in the graph.
one that eats the fish.
one that eats what the fish eats.
one that the fishes eat.
the same species of fish.
Indu weighed brinjal and tomato. She then baked them in a hot oven for about 15 minutes and weighed them after that. How would their weight have changed and why?
increased because they absorb heat during baking.
increased because they absorb water from the oven.
decreased because they lose water during baking.
decreased because a part of then burnt.
Which of the following objects shine as a result of reflected light?
moon
planets
comets
stars
A reflex action is an voluntary involuntary forced( voluntary, involuntary, forced ) movement caused in our bodies as a response to certain sudden changes in the internal and external environment. One of eyes blinking children playing people clapping( eyes blinking, children playing, people clapping ) is an example of a reflex action
The concept that matches the definition ' the amount of matter in a substance' is
weight
mass
kilogram
gravitational force
The diagram shows a simple electric circuit. What energy conversions occur when the switch is closed?
chemical energy to energy to energy.
Oil produced from the under the tails of ducks help in
to catch prey.
to make their feathers waterproof.
to swim on the surface of the water.
to maintain body temperature in cold water.
prevents the feathers from getting waterlogged
When solid candle wax is heated, it becomes liquid. The molecules
absorb heat and move apart.
absorb heat and come closer.
release heat and move apart.
release heat and come together.
A grassland food web is shown below: The owl most directly obtains energy from which organism?
vole
insects
deer
grass
Rita wanted to see whether some liquids get heated faster than others. Here are the steps of her experiment. Take a fixed amount of water in a vessel. Heat the vessel for a fixed period of time. Measure the temperature of the liquid. She knows that she has to use two experimental arrangement to compare the results. Which of the following should she use for this experiment ?
Process in which energy is released by combination of glucose and oxygen is known as .
The difference between evaporation and boiling is that evaporation, unlike boiling, occurs at all temperatures changes the volume of the liquid there is no state change , they are same( occurs at all temperatures, changes the volume of the liquid, there is no state change , they are same ).
Which of these are living things?
mango seedling
ant
rice husk
The graph shows Ashok's heartbeat during the period 10:02 am to 10:20 am. This is how his heartbeat changed between 10:10 and 10:16 it decreased at a uniform pace it increased at a uniform pace it increased and then decreased it stayed constant( it decreased at a uniform pace, it increased at a uniform pace, it increased and then decreased, it stayed constant ).
When we breathe in, we can feel the rib cage expand. It returns to the normal shape as we breathe out. One of the reasons why the shape of the rib cage can change is because
the ribs are attached to the sternum
the ribs are long curved bones
flexible cartilage allows movement of ribs
lungs have elastic walls
Saroja took two papers P and Q, of the same size and crumpled one of them. She then dropped both the papers from the same height and recorded the time taken by each to reach the ground. Which of the following times recorded could be P - 3 seconds Q - 3 seconds P - 1 second Q - 1 second P - 1 second Q - 3 seconds P - 3 seconds Q - 1 second( P - 3 seconds Q - 3 seconds, P - 1 second Q - 1 second, P - 1 second Q - 3 seconds, P - 3 seconds Q - 1 second )
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