Frage 1
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Annie was eating cabbage , spinach and carrot. Which parts of the plant was she eating?
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stem
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root
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leaves
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all of the above
Frage 2
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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?
Frage 3
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The leafy sea dragon, an animal that is native to Southern Australia, looks very much like sea weeds. This is an example of [blank_start]camouflage[blank_end].
Frage 4
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Animals X, Y and Z are found in completely different habitats. Animal X is nocturnal and has developed many characters to [blank_start]conserve[blank_end] as much water as possible in the body. Animal Y has furry body with thick skin. It is large in size and has [blank_start]padded[blank_end] feet. Animal Z is adapted to live on trees, sticky pads on its feet helps it to [blank_start]climb[blank_end] trees.
Antworten
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conserve
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lose
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excrete
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transpire
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padded
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webbed
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jointed
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large
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climb
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run on
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hop on
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swing on
Frage 5
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Observe the given diagram carefully and fill in the blanks.
P represents [blank_start]melting[blank_end], Q represents [blank_start]boiling[blank_end], R represents [blank_start]condensation[blank_end], S represents [blank_start]freezing[blank_end] and T represents [blank_start]evaporation[blank_end].
Antworten
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melting
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boiling
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condensation
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freezing
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evaporation
Frage 6
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Rotation of the Earth on its axis is an example of [blank_start]rotational[blank_end] motion and [blank_start]periodic[blank_end] motion.
Frage 7
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We can recycle water by
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Reusing the water from washing clothes to cook.
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Discharging factory waste into canals and seas.
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Discharging sewage and waste materials into ocean.
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Reusing the water from washing clothes to flush in the toilets.
Frage 8
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The joint which exists between our skull and neck is [blank_start]pivot joint[blank_end].
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pivot joint
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hinge joint
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ball and socket joint
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gliding joint
Frage 9
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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?
Frage 10
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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
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sublimation
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evaporation
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distillation
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condensation
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camphor
Frage 11
Frage
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 [blank_start]mustard seeds[blank_end], Y could be [blank_start]water[blank_end] and Z could be [blank_start]salt[blank_end].
Antworten
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mustard seeds
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oil
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water
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water
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sand
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chalk powder
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salt
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tea leaves
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pepper powder
Frage 12
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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?
Frage 13
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What adaptation does the given organism show?
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strong hind leg muscles
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webbed feet
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hollow bones
Frage 14
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Loosely packed soil is important for plant growth because they
Antworten
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allow roots to grow deeper to absorb water and nutrients.
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help to keep the root of the plant warm.
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provide a source of oxygen for the plant to use.
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prevents worms from eating the roots of the plant.
Frage 15
Frage
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.
Frage 16
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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?
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increased because they absorb heat during baking.
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increased because they absorb water from the oven.
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decreased because they lose water during baking.
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decreased because a part of then burnt.
Frage 17
Frage
Which of the following objects shine as a result of reflected light?
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moon
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planets
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comets
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stars
Frage 18
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A reflex action is an [blank_start]involuntary[blank_end] movement caused in our bodies as a response to certain sudden changes in the internal and external environment. One of [blank_start]these[blank_end] is an example of a reflex action
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voluntary
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involuntary
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forced
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eyes blinking
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children playing
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people clapping
Frage 19
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The concept that matches the definition ' the amount of matter in a substance' is
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weight
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mass
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kilogram
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gravitational force
Frage 20
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The diagram shows a simple electric circuit. What energy conversions occur when the switch is closed?
chemical energy to [blank_start]electrical[blank_end] energy to [blank_start]light[blank_end] energy.
Frage 21
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Oil produced from the under the tails of ducks help in
Antworten
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to catch prey.
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to make their feathers waterproof.
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to swim on the surface of the water.
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to maintain body temperature in cold water.
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prevents the feathers from getting waterlogged
Frage 22
Frage
When solid candle wax is heated, it becomes liquid. The molecules
Antworten
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absorb heat and move apart.
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absorb heat and come closer.
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release heat and move apart.
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release heat and come together.
Frage 23
Frage
A grassland food web is shown below:
The owl most directly obtains energy from which organism?
Frage 24
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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 ?
Frage 25
Frage
Process in which energy is released by combination of glucose and oxygen is known as [blank_start]respiration[blank_end].
Frage 26
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The difference between evaporation and boiling is that evaporation, unlike boiling, [blank_start]occurs at all temperatures[blank_end].
Antworten
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occurs at all temperatures
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changes the volume of the liquid
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there is no state change , they are same
Frage 27
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Which of these are living things?
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mango seedling
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grass
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ant
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rice husk
Frage 28
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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 [blank_start]it decreased at a uniform pace[blank_end].
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it decreased at a uniform pace
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it increased at a uniform pace
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it increased and then decreased
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it stayed constant
Frage 29
Frage
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
Antworten
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the ribs are attached to the sternum
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the ribs are long curved bones
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flexible cartilage allows movement of ribs
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lungs have elastic walls
Frage 30
Frage
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 [blank_start]correct[blank_end]
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P - 3 seconds Q - 3 seconds
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P - 1 second Q - 1 second
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P - 1 second Q - 3 seconds
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P - 3 seconds Q - 1 second