Class 7 Science Chapter 11 MCQ

Class 7 Science Chapter 11 MCQ (Multiple Choice Questions) of Transportation in Animals and Plants updated for session 2021-2022 CBSE and State board students. All the questions are taken form NCERT Textbook with answers and explanation are given with the questions.

Practice with these MCQs to clear your doubts and learn more about the chapter 11 of class 7 science. All the MCQ objective questions are important for examination point of view.

Class 7 Science Chapter 11 MCQ for 2021-2022

Class: 7Science
Chapter: 11Transportation in Animals and Plants
Contents: MCQ Objective with Explanaiton

MCQ Tests with Answers for Class 7 Science Chapter 11

Q1

Which of the following statement is or are correct?

[A]. All the living organisms need a transport system to supply them and to carry away the harmful waste materials produced in their bodies.
[B]. Transport is a life process in which a material absorbed or made in one part of the body of an organism, is carried to other parts in its body.
[C]. In most of the animals, the blood that circulates in their body transports or carries food water and oxygen to cell in all the parts of their body.
[D]. All the above
Q2

Water absorption through roots can be increased by keeping the potted plants:

[A]. In the shade
[B]. In dim light
[C]. Under the fan
[D]. Covered with a polythene bag
Q3

Consider the following statements and choose the correct one:

[A]. Blood is a red colored liquid which flows in blood vessels and circulates in our body.
[B]. Blood is red because it contains a red pigment called haemoglobin.
[C]. Blood consists of four components as plasma, red blood cells, white blood cells and platelets.
[D]. All the above
Q4

Juhi is writing some statements, choose the incorrect statement and help her:

[A]. The liquid part of blood is called plasma.
[B]. Plasma is a mixture of 60% water and 40% of common salt.
[C]. Red blood cells, white blood cells and platelets are immersed in this liquid called plasma.
[D]. None of the above
Q5

Anjali is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Anjali wants to take help from you:

[A]. Red blood cells are red in colour due to presence of a red pigment called hemoglobin inside them.
[B]. Red blood cells carry oxygen from the lungs to all the cells of the body.
[C]. If there is deficiency of haemoglobin in the blood of a person, it becomes difficult to provide oxygen efficiency to all the cells of his body.
[D]. Pulmonary goitre, is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body’s tissues




Q6

Sopan appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. White blood cells fight infection and protect us from disease.
[B]. White blood cells can eat up the germs like bacteria which cause disease.
[C]. White blood cells main chemicals known as antigens to fight against infection.
[D]. None of the above.
Q7

Consider the following statements and choose the correct one:

[A]. Platelets are the tiny fragments of special cells formed in the bone marrow.
[B]. Platelets help in the clotting of blood in a cut or wound.
[C]. If there were no platelets in the blood, then bleeding caused by a cut from an injury would not stop.
[D]. All the above.
Q8

Blood is pumped from the heart to the entire body by the:

[A]. Lungs
[B]. Ventricles
[C]. Atria
[D]. Nerves
Q9

Neelu is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:

[A]. The blood carrying oxygen in it is called oxygenated blood
[B]. The blood having no oxygen in it is called deoxygenated blood
[C]. The deoxygenated blood however, carries carbon dioxide in it which is produced during respiration in the body cells.
[D]. None of the above
Q10

Read the following sentences carefully, and choose the incorrect one(s):

[A]. The heart is an organ which pumps blood to all the parts of our body
[B]. The heart lies between the two lungs and above the diaphragm.
[C]. The heart is made of special muscle called cardiac muscle but it is not solid muscle.
[D]. We have a heart which acts as single pump.



Q11

Read the following sentences carefully, and choose the correct one:

[A]. Blood vessels are a kind of tube or pipes which carry blood throughout the body.
[B]. The left side of heart has oxygen rich blood or oxygenated blood whereas the right side of heart has carbon dioxide rich blood or deoxygenated blood.
[C]. It is necessary to keep the oxygen rich blood separate so that it may supply good amount of oxygen to the body cells for respiration and release of energy.
[D]. All the above.
Q12

The blood leaving the tissues become richer in:

[A]. Carbon dioxide
[B]. Water
[C]. Haemoglobin
[D]. Oxygen
Q13

Bholi is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:

[A]. The arteries are the blood vessels which carry blood from the heart to all the parts of the body.
[B]. The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs.
[C]. The arteries lie just below our skin and hence they are easily seen.
[D]. None of the above
Q14

In a quiz competition, you are asked a question where you have to choose the statement which is/ are correct?

[A]. Arteries normally carry oxygenated blood or rich in oxygen from the heart.
[B]. Pulmonary artery carries deoxygenated blood or rich in carbon dioxide from the heart to the lungs.
[C]. Veins are the blood vessels which carry blood from all the parts of the body back to the heart
[D]. All the above.
Q15

Aquatic animals like fish excrete their wastes in gaseous form as:

[A]. Oxygen
[B]. Hydrogen
[C]. Ammonia
[D]. Nitrogen



Q16

What prevents the backflow of blood inside the heart during contraction?

[A]. Thick muscular walls of ventricles
[B]. Valves
[C]. Thin walls of atria
[D]. All of the above
Q17

In a science quiz competition, Payel are asked a question where she had to choose the statement which was/were incorrect?

[A]. Veins normally carry deoxygenated blood or rich in carbon dioxide from the body organs.
[B]. Capillaries are the extremely thin blood vessels which connects arteries to veins.
[C]. Pulmonary vein carries oxygenated blood or rich in oxygen from the lungs to the heart.
[D]. None of the above
Q18

Which blood vessel does not carry any carbon dioxide?

[A]. Pulmonary artery
[B]. Vena cava
[C]. Hepatic vein
[D]. Pulmonary vein
Q19

Consider the following statements and choose the incorrect one:

[A]. One complete contraction and relaxation of heart is called a heartbeat.
[B]. The average heartbeat of an adult person while resting is 70 to 80 times per minute.
[C]. The number of heart beats increased too much during and after a physical exercise or when a person is excited.
[D]. A doctor listens to our heart beats with the help of an instrument called periscope.
Q20

Which of the following statement is or are correct?

[A]. The removal of waste material produced in the cells of the living organisms is called excretion.
[B]. Carbon dioxide is removed from our body by the lungs during exhalation.
[C]. Urea is a major waste product, produced in our body which is removed from the body by kidneys.
[D]. All the above.




Q21

In which of the following is the largest amount of nitrogen excreted from a mammalian body?

[A]. Breath
[B]. Sweat
[C]. Faeces
[D]. Urine
Q22

Varun is writing some statements, choose the correct statement and help him:

[A]. Aquatic animals excrete cell waste in gaseous forms ammonia which directly dissolved in water.
[B]. A tissue is a group of similar cells which work together to perform a particular function.
[C]. Those tissues which transport water, minerals and food to different parts of plant, are called vascular tissue.
[D]. All the above.
Q23

Ankur appeared in class test but he confused to know the correct statement. Would you help him to know that?

[A]. The transport system in plants consists of long tubes or vessels called xylem and phloem.
[B]. The vascular tissue called “xylem” carries water and minerals dissolved in it from the roots upwards through the stem and branches up to the leaves.
[C]. The vascular tissue called “phloem” carries the food from the leaves to the all-other parts of the plant including roots.
[D]. All the above.
Q24

The blood vessels which carry, oxygenated blood from the lungs to the heart is:

[A]. Main artery
[B]. Pulmonary artery
[C]. Main vein
[D]. Pulmonary vein
Q25

The filtering unit in the human excretory system is called:

[A]. Nephron
[B]. Neuron
[C]. Nephridia
[D]. Kidneyon

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