Transport in human and plant Mcqs – General Science

Class 7 General science chapter # 2 MCQs online with answers. 

Class 7 General science chapter # 2 MCQs online with answers. 

Also read: Class 7, General Science chapter # 1 MCQs

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  1. The transport system in human being is also called the                     
  • Digestive system
  • respiratory system             
  • excretory system
  • blood circulatory system
  1. Circulatory system consists of the…….. blood vessels and blood.
  • Lungs  
  • heart  
  • liver    
  • kidneys
  1.                in the vessels transport useful substances to different parts of the body where they are required.
  • Blood  
  • water 
  • sweat 
  • carbon dioxide
  1. Waste matter produced in the body is also transported by the           to excretory organs.
  • Digestive system   
  • circulatory system           
  • respiratory system             
  • excretory system
  1. The              is a muscular pump and is of the size of a human fist.
  • Lungs  
  • liver    
  • heart  
  • kidneys
  1. Heart is located in the chest cavity between the two                       
  • Lungs  
  • eyes    
  • ears    
  • kidneys
  1. The heart is protected by the ribs and covered by a tough walled membrane called the               
  • Arteries   
  • veins   
  • pulmonary          
  • pericardium       
  1. The heart consists of          chambers.
  • 3         
  • 4         
  • 5         
  • 8
  1.             are smaller in size than the ventricles 
  • atria   
  • left ventricle                      
  • right atrium       
  • left atrium           
  1. The right side of the heart receives                    blood from different parts of the body.
  • Oxygenated        
  • deoxygenated    
  • red      
  • white  
  1. The left side of the heart receives oxygenated blood from the             and pump it to the rest of the body.
  • heart  
  • liver    
  • kidneys
  • Lungs  
  1.             carry blood away and back into the heart.
  • Lungs  
  • blood vessels     
  • kidneys
  • liver
  1. How many types of blood vessels?
  • 2         
  • 3         
  • 4         
  • 5
  1.             are blood vessels, which carry blood away from the heart to other parts of the body.
  • Veins  
  • capillaries          
  • arteries   
  • all of these
  1. We can feel the pressure of blood in the artery through our              
  • nose   
  • eyes    
  • ears    
  • pulse
  1. The largest artery in the human body is called the           
  • Pulmonary          
  • aorta  
  • capillary             
  • vena cava           
  1. All arteries carry oxygenated blood to different parts of the body, except pulmonary                    .
  • Veins  
  • capillary  
  • artery 
  • vena cava
  1. Pulmonary artery carries             blood from the heart to the lung
  • Deoxygenated   
  • oxygenated        
  • red      
  • white
  1. Arteries are divide and re-divided to form narrow and thinner walled blood vessels called
  • Pulmonary  
  • pericardium 
  • vena cava 
  • Capillaries
  1. The capillaries provide blood carrying nutrients and oxygen to the
  • heart 
  • lung 
  • kidneys 
  • tissues and cells
  1. Capillaries take waste materials and carbon dioxide from the cells and tissue to the
  • Arteries 
  • veins 
  • Aorta
  • vena cava
  1. Exchange of materials between the blood and tissues occur through the walls of the
  • capillaries 
  • atrium 
  • ventricles 
  • heart
  1. The capillaries in the tissues connect the arteries to the
  • lungs 
  • heart 
  • kidneys 
  • veins
  1. blood carrying waste materials and carbon dioxide from the capillaries to the heart
  • Arteries 
  • veins 
  • Aorta  
  • pericardium
  1. The walls of veins are not as thick as those of the
  • Arteries 
  • lungs 
  • heart  
  • pericardium
  1. All veins carry deoxygenated blood to the heart except the
  • pulmonary arteries 
  • pulmonary veins 
  • lungs 
  • kidneys
  1. Pulmonary veins carries oxygenated blood from the lungs to the
  • body 
  • kidneys 
  • liver 
  • heart
  1. The human body on the average has approximately            litres of blood
  • 5 
  • 7
  1. Blood is a         of red blood cells, white blood cells and platelets suspended in a pale yellow liquid called
  • oxygen 
  • carbon dioxide 
  • yellow blood 
  • plasma
  1. The right atrium receives deoxygenated blood through the largest vein in the body called            
  • Aorta  
  • vena cava          
  • capillary             
  • liver
  1. The blood from the right ventricle is pushed into the lungs through the         
  • Vena cava          
  • aorta  
  • pulmonary vein  
  • pulmonary arteries
  1. Oxygenated blood comes back from the lungs into the left atrium through the                             
  • Vena cava          
  • aorta  
  • pulmonary vein 
  • pulmonary arteries
  1. The oxygenated blood from the left ventricle is pushed with full force into the largest arteries called         
  • aorta   
  • Vena cava          
  • pulmonary vein  
  • pulmonary arteries
  1.           is a diet affected disorder in which the amount of sugar level in the blood of a person becomes too high.
  • Diabetes
  • Thrombosis
  • Anaemia
  • Asthma
  1. The amount of sugar in the blood is controlled by a hormone called
  • Insulin
  • Pancreas
  • Liver
  • Lungs
  1. Insulin produced by a gland known as
  •  Pancreas
  • Liver
  • Lungs
  • Stomach
  1. The insulin converts excess glucose into glycogen and is stored in the
  •  Liver 
  • Kidneys 
  • Pancreas
  • Stomach
  1. The sugar level in the blood is increased, resulting in diabetes when …… produced insufficient or does not work properly
  • Insulin
  • Bile
  • Saliva
  • Gastric juice
  1. Asthma is a
  • Respiratory disease
  • Excretory disease
  • Heart disease
  • Kidneys disease
  1. Air passage bronchioles in the lungs are blocked or narrowed causing difficulty in
  • Breathing
  • Heart beating
  • Blood circulation
  • Digestion
  1.            may be due to genetic or environmental factors such as pollen, spores, cold and pollination
  • Asthma
  • Diabetes
  • Thrombosis
  • Anaemia
  1. ………..is necessary for the formation of red blood cells
  • Iron
  • Zinc
  • Vitamins
  • Calcium
  1.           carry oxygen to the tissue
  • Red blood cells
  • White blood cells
  • Plasma
  • Platelets
  1. Deficiency of iron in the body lowers the number of            in the blood and supply of oxygen to the tissue is also lowered is known as anaemia.
  • Red blood cells
  • White blood cells
  • Plasma
  • Platelets
  1. A fatty substance called cholesterol or a blood clot can block the narrow blood vessels, this blockage is called
  • Thrombosis
  • Anaemia
  • Asthma
  • Diabetes
  1. If the blockage is in the artery supplying blood to the heart, the heart stops beating which results in
  • Heart attack
  • Kidneys fail
  • Lungs cancer
  • Brain tumor
  1. The function of pace maker is to normalize the
  • Heart beat
  • Breathing
  • Blood
  • Water
  1. Water mineral salts and other substances move from one part of the plant to another through a system of tissue
  • Vascular tissue
  • Stomata
  • Transpiration
  • Translocation
  1. Vascular tissues are of two types:
  • Xylem and phloem
  • Stem and roots
  • Leaves and branches
  • Flowers and seeds
  1. Long tube which transports the absorbed water and mineral salts from the roots to the stem to the leaves.
  • Xylem
  • Phloem
  • Root hairs
  • Root tips
  1. Phloem are made up of long cells (tubes) having pores, known as
  • Seive tubes
  • Stem tubes
  • Root tube
  • Osmosis
  1. Transport the food prepared in the leaves, to the storage areas like roots, fruits, seeds and to the growing points of a plant
  • Seive tubes
  • Stem tubes
  • Root tube
  • Osmosis
  1. Water is absorbed by the          passes from cell to cell until it reaches to the xylem vessels and upper parts through it.
  • Root hairs
  • Phloem
  • Root tips
  • Xylem
  1. Water diffuses out of …… which are present in lower surface of the leaves
  • Stomata
  • Osmosis
  • Stem
  • Epidermis
  1.            of water from the leaves is the main force which moves the water through plant body
  • Evaporation
  • Condensation
  • Absorbed
  • Translocation
  1.              is the movement of water from a higher concentration region of the lower by permeable membrane
  • Osmosis
  •  Evaporation
  • Translocation
  • Stomata
  1. Food is prepared by the
  • Leaves
  • Stem
  • Fruit
  • Flowers
  1. Food transported to other parts of the plant by the
  • Phloem tissue
  • Xylem tissue
  • Root hairs
  • Root tips
  1. The movement of food in plants from leaves to storage areas and growing points is called
  • Translocation
  • Osmosis
  •  Evaporation
  • Stomata
  1. For the process of respiration, plants take in           and give out………
  • Oxygen carbon dioxide
  • carbon dioxide              oxygen
  • carbon dioxide              carbon dioxide 
  1. Oxygen enters the leaves through          diffuses into the cells of the leaves and it is used for respiration
  • Stomata
  • Translocation
  • Osmosis
  •  Evaporation
  1. Food prepared in photosynthesis is broken down in
  • Respiration 
  • Translocation
  • Osmosis
  •  Evaporation
  1. Food is broken down in respiration,           and water are formed and energy is released.
  • carbon dioxide
  • food
  • oxygen
  • fruit
  1. water and carbon dioxide diffuses out from the           of the leaves.
  • stomata
  • Translocation
  • Osmosis
  •  Evaporation
  1. The blood from the heart is transported to all parts of the body by the
  • Arteries
  • Veins
  • Capillaries
  • Villi
  1. Transport of water from roots in plants take place through
  • Xylem
  • Phloem
  • Epidermis
  • Stomata
  1. The evaporation of water from leaves is called
  • Transpiration
  • Photosynthesis
  • Respiration
  • Translocation
  1. The largest arteries is called
  • Aorta
  • Vertricale
  • Atrium
  • Pulmonary artery
  1. Synthesis of carbohydrates takes place in
  • Leaves
  • Roots
  • Stem
  • Fruit

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