Respiration and Transportation in Organisms
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Aerobic and Anaerobic Respiration
SubtopicAerobic and Anaerobic Respiration under Respiration and Transportation in Organisms for Grade 7 CBSE.
Preview questions (no answers)
- 1.
During which of these activities is the energy requirement of the body the highest?
A.Sitting
B.Reading
C.Heavy weightlifting
D.Watching TV
- 2.
What is the meaning of the word 'anaerobic'?
A.With air
B.Without air
C.With water
D.With light
- 3.
Even when we are sleeping, our body needs energy to:
A.Keep the heart beating
B.Perform physical exercise
C.Digest large amounts of food
D.Run fast
Download the worksheet for Respiration and Transportation in Organisms - Aerobic and Anaerobic Respiration to practice offline. It includes additional chapter-level practice questions.
Mechanism of Breathing in Humans
SubtopicMechanism of Breathing in Humans under Respiration and Transportation in Organisms for Grade 7 CBSE.
Preview questions (no answers)
- 1.
Which gas is primarily used by the body to break down food for energy during respiration?
A.Carbon dioxide
B.Oxygen
C.Nitrogen
D.Helium
- 2.
When we inhale, the movement of the diaphragm ______ the space in the chest cavity.
A.Decreases
B.Increases
C.Does not change
D.Eliminates
- 3.
What forms the floor of the chest cavity?
A.The ribs
B.The diaphragm
C.The stomach
D.The lungs
Download the worksheet for Respiration and Transportation in Organisms - Mechanism of Breathing in Humans to practice offline. It includes additional chapter-level practice questions.
Human Circulatory System: Blood, Vessels, and Heart
SubtopicHuman Circulatory System: Blood, Vessels, and Heart under Respiration and Transportation in Organisms for Grade 7 CBSE.
Preview questions (no answers)
- 1.
Which chamber of the heart has the thickest muscular wall?
A.Right Atrium
B.Left Atrium
C.Right Ventricle
D.Left Ventricle
- 2.
The heart acts as a 'double pump'. Which two circuits does it handle?
A.Digestive and Respiratory
B.Pulmonary and Systemic
C.Nervous and Muscular
D.Excretory and Skeletal
- 3.
Which of the following is responsible for the defense mechanism of the body?
A.Plasma
B.Red Blood Cells
C.White Blood Cells
D.Platelets
Download the worksheet for Respiration and Transportation in Organisms - Human Circulatory System: Blood, Vessels, and Heart to practice offline. It includes additional chapter-level practice questions.
Excretion in Animals and the Human Urinary System
SubtopicExcretion in Animals and the Human Urinary System under Respiration and Transportation in Organisms for Grade 7 CBSE.
Preview questions (no answers)
- 1.
Urine consists of water, urea, and what is the remaining ?
A.Oxygen
B.Sugar
C.Other waste products
D.Blood
- 2.
In the human body, sweat is produced by glands located in the:
A.Kidneys
B.Skin
C.Lungs
D.Liver
- 3.
The process of dialysis is performed when:
A.The heart stops beating
B.The lungs are congested
C.The kidneys fail to function
D.The stomach cannot digest food
Download the worksheet for Respiration and Transportation in Organisms - Excretion in Animals and the Human Urinary System to practice offline. It includes additional chapter-level practice questions.
Transportation of Water and Minerals in Plants
SubtopicTransportation of Water and Minerals in Plants under Respiration and Transportation in Organisms for Grade 7 CBSE.
Preview questions (no answers)
- 1.
The upward movement of water in plants is primarily driven by:
A.Root pressure and transpiration pull
B.Gravity
C.Wind energy
D.Animal activity
- 2.
Xylem tissue consists of tubes that are ______.
A.Blocked
B.Hollow
C.Solid
D.Full of food
- 3.
Which part of the plant is responsible for picking up water from the soil?
A.Branches
B.Roots
C.Leaves
D.Flowers
Download the worksheet for Respiration and Transportation in Organisms - Transportation of Water and Minerals in Plants to practice offline. It includes additional chapter-level practice questions.