WorksheetsHALF YEARLY REVISION 1
Total questions: 14
Worksheet time: 17mins
What Would Happen, If A Goat Eats Away All The Leaves Of A Small Plant
Plant will die
Remaining leaves and branches will help to sustain the plant.
The plant survived on the food stored in the stem and roots.
Soil nutrients will help to survive the plant .
How Does Cactus (Desert Plants) Carry Out Photosynthesis?
Roots
Spines
Stems
Green leaves
Which part of the plant is called its food factory ?
Fruits
Leaves
Seeds
Flower
What is the ultimate source of energy for all living organisms?
Chemical Energy
Solar Energy
Tidal Energy
Hydro Energy
The Food Synthesised By The Plants Is Stored As
Starch
Protein
Water
Dietary Fibre
Selective Breeding Is A Process Of
Selecting the offspring with desired properties.
Selecting the parents with desired properties.
Selecting an area for breeding.
Selecting fine hair for good quality wool.
Which Of The Following Breeds Of Sheep Is Or Are Found Only In Uttar Pradesh And Himachal Pradesh?
Patanwadi
Marwari
Bakharwal
Rampur Bushair
Reeling Of Silk Is
A process of making silk reels
Spinning of silk fibres
Weaving of silk cloth
The process of taking silk threads from cocoon
A Beggar Wrapped Himself With A Few Layers Of Newspaper On A Cold Winter Night. This Helped Him To Keep Himself Warm Because
Friction between the layers of newspaper produces heat.
Air trapped between the layers of newspaper is a bad conductor of heat.
Newspaper is a conductor of heat.
Newspaper is at a higher temperature then the temperature of the surroundings.
One Litre Of Water At 30 Degree Celsius Is Mixed With One Litre Of Water At 50 Degree Celsius. The Temperature Of The Mixture Will Be
80 degree Celsius
More than 50 degree Celsius but less than 80 degree Celsius
20 degree Celsius
Between 30 degree Celsius and 50 degree Celsius
A small amount of hydrochloric acid is always produced in the stomach. Is it useful or harmful for us? If excess of acid is produced in the stomach, what should we do?
Explain two neutralisation reactions related to daily life situations.
Magnesium ribbon bums in air and changes to white substance, i.e. magnesium oxide. When magnesium oxide dissolves in water, what type of change take place? Give reason in support of your answer. Express the change in the form of equation.
Explain the detailed process of respiration in humans.
