Pregunta 1
Pregunta
What is likely to happen when the disc is rotated continuously?
Respuesta
-
The bulb will remain off all the time.
-
The bulb will remain on all the time.
-
The bulb will go on and off, but remain off for a longer time.
-
The bulb will go on and off, but remain on for a longer time.
Pregunta 2
Pregunta
Which type of pollution is this agricultural practice likely to cause?
Respuesta
-
air
-
soil
-
water
-
sound
-
city
Pregunta 3
Pregunta
There is a difference in the level of water because the pebbles [blank_start]takes up space[blank_end].
Pregunta 4
Pregunta
There are two liquids, A and B. When mixed, B splits into soild and liquid. Identify the two liquids and name the process involved in it.
Respuesta
-
vinegar and milk
-
Lemon juice and milk
-
Lime juice and butter
-
Vinegar and butter
-
Lactation
-
sublimation
-
Churning
-
Curdling
Pregunta 5
Pregunta
Identify a,b c and d
Respuesta
-
Stem, leaves,root ,root
-
Stem, leaves, root,stem
-
Stem, leaves, root, stem
-
root,leaves,root,stem
Pregunta 6
Pregunta
Flowers are brightly [blank_start]coloured[blank_end] and have sweet smell. It [blank_start]attract[blank_end] the insects. When insects sit on the flower the [blank_start]pollen[blank_end] gets stuck onto them. Insects [blank_start]rub off[blank_end] and drop the pollen when they sit. [blank_start]Pollination[blank_end] takes place.
Respuesta
-
coloured
-
dyed
-
repels
-
attract
-
buds
-
pollen
-
crawl
-
rub off
-
Pollination
-
reproduction
Pregunta 7
Pregunta
Given are the steps to prove that
Respuesta
-
soil has dissolved air
-
a lump of soil in water will form bubbles
-
terrestrial animals can breathe this air
-
animals that live inside the soil can breathe this air dissolved in the soil
-
soil does not have air inside in it.
Pregunta 8
Pregunta
Which other animal can be identified in a similar way based on the colour difference?
Respuesta
-
horse
-
rabbit
-
peacock
-
penguin
Pregunta 9
Pregunta
The picture here shows a man inside a large ball made of [blank_start]plastic[blank_end]. There is enough [blank_start]air[blank_end] inside for him to breathe, and he can float on the water and move around by making the ball roll. This activity is called 'Zorbing'. We are able to see the man inside the plastic ball because it lets [blank_start]light to pass through.[blank_end]
Respuesta
-
plastic
-
cloth
-
paper
-
air
-
water
-
vaccuum
-
air to pass through.
-
water to pass through
-
light to pass through
Pregunta 10
Pregunta
Shown below are some fans made of [blank_start]paper[blank_end]. When the fans are waved you can feel a [blank_start]breeze[blank_end]. The [blank_start]movement[blank_end] of the fans makes the air move.
Respuesta
-
paper
-
cloth
-
breeze
-
strong wind
-
wrapping
-
movement
-
rolling
Pregunta 11
Pregunta
The equation shows chemical change and [blank_start]irreversible change[blank_end]
Pregunta 12
Pregunta
Daniel saw the patch of sunlight I his balcony in the morning as shown below. What is he likely to observe about the patch of sunlight after 30 minutes?
Respuesta
-
It will be towards the right and will be narrower.
-
It will move towards the right and will be broader.
-
It will move towards the left and will be narrower.
-
It will move towards the left and will be broader.
Pregunta 13
Pregunta
[blank_start]Carbohydrates.[blank_end]
Pregunta 14
Pregunta
Shown here is a [blank_start]hot[blank_end] air balloon. It works on the principle that [blank_start]warm air[blank_end] rises in cooler air. A hot air balloon has three essential parts: the burner, which heats the air; the balloon envelope, which holds the air; and the basket, which carries the [blank_start]passengers[blank_end].
The balloon envelop is open from the bottom and the part marked as P is the bottom fabric of the envelope.The characteristic of the envelop should be [blank_start]fire-resistant[blank_end].
Pregunta 15
Pregunta
[blank_start]Honey[blank_end] is the liquid which fall slowly.