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WorksheetsPT2 Revision Science by Adon
Total questions: 40
Worksheet time: 7mins
1st stage of Waste water management
Adding Chlorine
Treating the water
Filtering
Screening
What is this Organ
Large Intestine
Gall Bladder
Stomach
Small Intestine
What will be difficult to digest for a person whose liver is not functioning properly
Fats
Carbohydrates
C
Minerls
Vitamins
Is there any alternative method for sewage disposal
Yes
No
Which of these is a alternative method for sewage disposal
Sewage Systems
Screening
septic tank
Anaerobic bacteria
The use of plastic bags are banned in some countries. Why
For plastic not to be mixed with water
To Create awareness
To reduce greenhouse gas
To Save the Ozone Layer
Define Proton
No Charge
Positively charged particle
Negatively charged particle
Electron
No Charge
Positively charged particle
Negatively charged particle
Neutron
No Charge
Positively charged particle
Negatively charged particle
Which is not a Reason for scarcity of water
Increasing Population
Rapid growth of industries
Precipitation
Farming
How groundwater is recharged
sublimation
Infiltration
precipitation
transpiration
The process of recharging ground water using rain water is called
drip irrigation
Infiltration
Bawri
water harvesting
Only _______ % of water on earth is available for our use.
10
70
30
1
Which of the following devices is used for measurement of temperature of human body?
Clinical thermometer
Stethoscope
Laboratory thermometer
The normal temperature of human body is
35°C
37°C
39°C
NONE of these
Mercury is generally used in thermometer because it has a
high fluidity
high conductivity
high specific heat
high density
Seema is in a hurry and wants her noodles to cool down faster. She should put it on a plate made of
wood
paper
plastic
metal
On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. Why?
On heating glass expands and lid contracts
Lid expands more than the neck and thus slides easily
Neck becomes slippery on heating
Lids of the bottles cannot bear the heat
When we inhale, we breathe in air into the lungs. What do we breathe out when we exhale?
Only oxygen gas.
Only hydrogen gas.
Air that has more oxygen than inhaled air.
Air that has more carbon dioxide than inhaled air.
What is the function of the hair in the nose?
To secrete mucus.
To trap dust particles.
To protect the mucus
To prevent germs from entering the lungs.
What is the end product of glucose in the absence of oxygen in muscle cells?
Carbon dioxide
Water
Lactic Acid
Ethanol
Lime water turns milky due to the presence of which of the following gases?
Carbon monoxide
Carbon dioxide
Nitrogen
Oxygen
From which of the following is the natural indicator litmus extracted?
Mycorrhiza
Lichens
Mucor
Mycelia
What is injected into the skin when an ant bites?
Acid
Base
Salt
Which of the following statements is correct
Acids turn blue litmus red.
Water changes the colour of a litmus.
Bases turn blue litmus red.
What change does colorless phenolphthalein undergo in acidic and neutral solutions?
Turns green
Turns red
Turns pink
Remains colourless
How does colourless phenolphthalein change in the presence of bases?
Becomes green
Remains colourless
Becomes pink
Becomes red
The periodic table is the table that lists
matter
rocks
Elements
Chemistry
Biology
If the atomic number of an element is 6 and its mass number is 14. How many neutron particles are there in the nucleus?
1
7
6
8
Symbol of Pottasium
K
ko
k
Po
Symbol of Carbon
C
c
ca
Ca
Valency of Oxygen
1
2
3
4
The process in which faucal matter is removed through the anus.
Ingestion
Absorption
Digestion
Egestion
In which part of the human digestive system digestion doesn't take place.
Stomach
Small Intestine
Oesophagus
Large Intestine
Bile juice is secreted by which part of digestive system.
Pancreas
Stomach
Gall Bladder
Liver
Which of the following is insectivorous
Mushroom
Nepenthes
Mucor
Cuscuta
What is the role of the bacteria in leguminous plants?
Convert soil nitrates into gaseous nitrogen.
Convert oxides of nitrogen into soil nitrates.
Convert plant proteins into ammonia.
Convert atmospheric nitrogen gas into soil nitrates
Which of the following is true about parasitic plants?
(i) They absorb food from their host.
(ii) They compete with the host for sunlight.
(iii) They kill the host plant eventually.
(i) and (ii) only
(i) and (iii) only
(ii) and (iii) only
(i), (ii) and (iii)
In human beings the food is taken in by which of the following parts?
Mouth
Tongue
Teeth
All of these
What is Sewage
Sewage is the Water that is used for watering plants
Sewage is wastewater released by homes, industries, hospitals, offices, and other users.
Sewage is the pipe waste water flows through
Sewage is wastewater released by homes, industries hospitals, offices, and also waste of animals
