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WorksheetsClass 7 Respiration + Wastewater
Total questions: 20
Worksheet time: 9mins
when is the world water day celebrated ?
13 september
2 october
22 march
The Process of Break down of food with the help of Oxygen and releases energy is called as _____________
Breathing
Respiration
Inhalation
During ___________ the Diaphragm is pushed / moved down.
Exhalation
Inhalation
The process of taking in air rich in oxygen is called ___________
Inhalation
exhalation
The Partial break down of Glucose in our body produces __________ which leads to muscle cramps.
Alcohol
Lactic acid
water
Which of the following is/are products of wastewater treatment?
Biogas
Sludge
Both biogas and sludge
Aerator
Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?
Cholera
Typhoid
Asthma
Dysentery
We should not throw cooking oil and paint down the drain because
they break the pipe
they harden and clog the pipe
they flow through the drain freely
None of these
Which of the following is a good practice be followed?
Cooking oil and paint should not be thrown down a drain.
Used tea leaves, solid food and cotton should not be thrown in the drain.
Chemicals like insecticides should not throw in the drain.
All of the above
Dried _____ is used as manure
slury
sewage
sand
sludge
Which substance is used in a sewage treatment system to kill harmful bacteria?
ammonia
chlorine
sand
soap
Exchange of gases takes place in the ___________ part of the lungs
Bronchi
Bronchiole
Alveoli
During exhalation the diaphragm moves up and the volume of air decreases in the lungs.
True
False
Respiration is the
Intake of oxygen and release of carbon dioxide over a membrane
Mechanical movement to inhale and exhale air
Release of energy from food inside cells
Feature that enable an animal to survive in its habitat
What type of respiration requires oxygen?
Aerobic
Anaerobic
What are the products of aerobic respiration?
Glucose and oxygen
Lactic acid
Carbon dioxide and water
Carbon monoxide
What is the chemical equation for cellular respiration?
Glucose + Oxygen -> Carbon dioxide + Water + Energy
Oxygen + Carbon dioxide + Energy -> Glucose + Water
Carbon dioxide + Glucose -> Oxygen + Water + Energy
Water + Carbon dioxide + Energy -> Oxygen + Glucose
The ___________ is the dome shaped muscle below the lungs
diaphragm
rib
alveoli
trachea
