Different soils have different water holding capacities. 50 ml of water was added to equal amounts of clay and humus as shown in the experiment. What can you conclude from this activity?
Both clay and humus hold water equally.
Clay holds less water than humus.
Water drains off completely from both clay and humus
Clay hold more water than humus
Translucent objects are those that allow a little light to pass through them. Which of these objects is an example of these?
magnifying lens
mirror
tracing paper
glass of water
This picture shows you the different layers on the Earth's crust.On which of these layers do we live?
inner core
outer mantle
inner mantle
crust
If a man walks from P to Q. What will be the MINIMUM number of regions he will have to cross (including the ones containing P and Q to reach his destination?
7
5
4
6
From which part of the plant does the FRUIT develop?
leaf
root
stem
flower
25th June was a full moon day. From the calendar of June and July identify the date of the Next full moon?
30th June
1st July
9th July
24th July
The handle and frame of a magnifying glass was removed and the magnifying glass was viewed from its side.How would the glass look like?
A
B
C
D
Which of the following does the root absorb from the soil?
oxygen and nitrogen
water and minerals
seeds and insects
sunlight and air
Which of the following are NOT SAFE things to do ,as we might get an electric shock? (Note: An immersion heater is shaped like a rod and is dipped in water to heat it, like a geyser,it uses electricity to heat water.
Only 1
Both 1 and 2
Both 3 and 4
All 2,3 and 4
Bindu's teacher asked a few students to perform an experiment described in the text book.However ,Bindu found that her results were different from what was described in the book.What should Bindu do?
The main reason electric wires are covered with plastic is:
Plastic is available in different colours
Plastics is a good conductor of electricity
Plastic is a poor conductor of electricity
Plastic does not melt easily when heated
Which of these statement is true about the SHADOW of any object?
Suhani observed that wet roads dried up due to heat. She kept a bucket full of water out in the Sun to study the effects of heat on water. Around how long will it take for the water to completely dry off from the bucket?
1 hour
3 hours
half a day
several days
From where do fish in the sea get oxygen to breathe?
What makes it easier to transport water in "Q-drum" than in a pot that is carried on the head?
its size
its shape
its weight
its colour
What should Neetu do to avoid tooth decay?
Brush her teeth regularly.
Wear braces on her teeth.
Have less sweets and carbonated drinks.
Eat more white coloured sweets.
Who all are incorrect?
Pam: They are seeds because new plants can grow from them.
Pratibha: They are roots because they are brown in colour
Puja: They are roots because they grow underground.
Pranoti: They are seeds because they can be eaten
Which of the following will weigh LESS than 1 kilogram?
Which of the following could cause the extinction of animals?
hunting
pollution
destruction of forests
none of the above
Amit is going on a school picnic.Which bottles should he not choose to carry fruit juice, so that the fruit juice stays cold for the LONGEST time?
P
Q
R
S
Butterflies have a long,thin tube- like mouth called proboscis trunk pipe( proboscis, trunk, pipe )_ . They use it to suck honey nectar water( honey, nectar, water ) from flowers.
Some liquids such as glycerin ,alcohol and milk can dissolve in water. Such liquids that mix with each other are calledimmiscible liquids miscible liquids( immiscible liquids, miscible liquids ).
Molecules in gases are freely loosely tightly( freely, loosely, tightly ) packed with lots of space between them. The force of attraction between molecules are very strong weak( strong, weak ).
The layers of soil are collectively known as soil profile. The uppermost layer of soil is called topsoil subsoil( topsoil, subsoil ). The middle layer known as subsoil bedrock( subsoil, bedrock ) The bottom layer is made up of unweathered rock calledtop soil bedrock( top soil, bedrock ).
pumice metamorphic granite( pumice, metamorphic, granite )rocks are formed from igneous or sedimentary rocks. When these two types of rocks are subjected to intense heat and pressure inside the earth.
A type of waste that can be decomposed by other living organisms
The method of changing a liquid into its vapours and then condensing the vapours to get the pure form of that liquid is called .
Water boils at
Air is a mixture of gases. It contains about % of nitrogen.
These muscles of our body are not under our control.They are also called muscles.
Sania saw that one of the vegetables she bought at the market had thin roots on it.Which one?
brinjal
radish
tomato
cucumber
Michelle made a lemon drink by mixing some lemon juice,sugar,water and salt in a glass.She added six ice cubes to it. She took a few sips and kept the glass on the table. After 30 minutes she drank the remaining drink.What is she likely to find about the taste of the drink after 30 minutes compared to the first sips she took?
It will be more salty.
It will be more sour.
It will be less sweet.
There will be no difference in the taste after 30 minutes.
Some examples of plant stems that we eat are potato,ginger and _________.
bean
carrot
sugarcane
Ramesh was applying paint on the wall during which some of the paint fell on his hands. Instead of using water,Ramesh used kerosene oil to wash his hands. Which of the following options explains Ramesh's decision?
Kerosene is softer than water.
Kerosene smells better than water.
Kerosene is more easily available than water.
Paints dissolve in kerosene and not in water.
Which of them will decay the fastest?
an iron nail
a peeled apple
a woolen carpet
a wooden bench