7th Class Science Transportation in Animals and Plants Question Bank

done Transportation in Plants and Animals Total Questions - 20

• question_answer1)
  The parts of human excretory system are given below.                           

  (i) Bladder

  (ii) Kidney

  (iii) Ureter

  (iv) Urethra

  In which order does urine pass through these structures?
  A)
  (ii)\[\to \](iii)\[\to \](i)\[\to \](iv)                   done clear
  B)
  (i)\[\to \](iii)\[\to \](iv)\[\to \](ii)                    done clear
  C)
  (ii)\[\to \](iv)\[\to \](i)\[\to \](iii)                   done clear
  D)
  (iv)\[\to \](iii)\[\to \](i)\[\to \](ii)                  done clear
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• question_answer2)
  Read the following statements.          

  (i) ___tissue is involved in transportation of food in plants.

  (ii) Transpiration produces a__ pull in the plant that causes the water to move upwards.

  (iii) __ is the loss of water from leaves and other aerial parts of a plant.     '

  (iv) __ are known as soldiers of the body.

  Select the option that correctly fills up the blanks in any two of the statements.    
  A)
  (i)-Phloem; (iii)-Transpiration        done clear
  B)
   (ii)-Suction; (iv)-Platelets             done clear
  C)
   (i)-Xylem; (iv)-Leucocytes           done clear
  D)
   (iii) Transpiration; (iv) Plasma        done clear
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• question_answer3)
  Refer to the given figure. Identify the part which carries oxygenated blood.                
  A)
   P, Q, R and S      done clear
  B)
   P and T        done clear
  C)
   P and S         done clear
  D)
   R and T             done clear
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• question_answer4)

  Tanmay took a potted, well watered plant and set-up an experiment as shown in figure.

  Then, he put it in the sunlight for few hours. Which of the following options is correct regarding his observation?

     
  A)
  Water droplets are visible in polythene X as transpiration takes place through leaves. done clear
  B)
  Water droplets are visible in polythene Y as transpiration takes place through stems. done clear
  C)
  Water droplets are visible in polythene X as photosynthesis occurs in leaves. done clear
  D)
  Water droplets are visible in polythene Vas photosynthesis occurs in stem. done clear
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• question_answer5)
  The cells shown in the figure can be found in the blood. Which of the following statements is/are correct regarding these cells?

  (i) They do not have nucleus.

  (ii) They help the body to fight against infections.

  (iii) They help the blood to clot.

  (iv) They help to transport oxygen.

                   
  A)
   (ii) only                                 done clear
  B)
   (i) and (ii) only                       done clear
  C)
   (i), (ii) and (iii) only                   done clear
  D)
   (i), (iii) and (iv) only                      done clear
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• question_answer6)
  Select the incorrect match.            

  (i) Ammonotelism- Sponges, Hydra, Cartilaginous fish, Leech, Crocodile

  (ii) Ureotelism- Frogs, Toads, Bony fish, Turtles, Man

  (iii) Uricotelism- Cockroach, Pigeon, Beetle, Lizard, Snake

  A)
   (i) and (ii) only done clear
  B)
   (ii) and (iii) only done clear
  C)
                          (iii) only             done clear
  D)
                       (i), (ii) and (iii)                           done clear
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• question_answer7)

  Pulmonary ____ carries _____ rich blood from the heart to the lungs and pulmonary ____ carries ____ rich blood from the lungs to the heart.

  Select the option that correctly fills up the blank spaces in the above passage.

   
  A)
  Vein, Carbon dioxide, Artery, Oxygen done clear
  B)
  Vein, Oxygen, Artery, Carbon dioxide done clear
  C)
  Artery, Carbon dioxide, Vein, Oxygen done clear
  D)
  Artery, Oxygen, Vein, Carbon dioxide done clear
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• question_answer8)

  Nikita took a twig of Petunia plant and dipped it in a beaker containing dissolved coloured dye safranin. She left it for 1-2 hours. Now she prepared a section of this twig and observed it under the microscope.

  Which of the following is correctly represent the T.S of stem? (Note: The dark area is the place where the red colour is present.)

   
  A)
                     done clear
  B)
           done clear
  C)
         done clear
  D)
  done clear
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• question_answer9)
  The given bar chart shows the concentration of oxygen in blood samples from four places in the circulatory system of a man. Which sample was taken from the pulmonary artery?
  A)
   P     done clear
  B)
   Q                    done clear
  C)
          R                     done clear
  D)
          S done clear
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• question_answer10)
  Read the following statements and select the correct option.

  Statement 1: Doctors use the urine test to diagnose some diseases in the body.

  Statement 2: An examination of urine tells a lot about whether various organs in the body are functioning normally or not.

  A)
   Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. done clear
  B)
   Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. done clear
  C)
   Statement 1 is true but statement 2 is false. done clear
  D)
   Both statements 1 and 2 are false. done clear
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• question_answer11)
  The given figure shows a setup at the start of an experiment (X) and after a few days (V). The change observed in setup Y is due to
  A)
   Upward movement of food getting blocked done clear
  B)
   Downward movement of food getting blocked done clear
  C)
   Upward movement of water getting blocked done clear
  D)
   Downward movement of water getting blocked. done clear
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• question_answer12)

  Refer the following experimental setup prepared by a group of students.

  What will happen to the water level in the beaker after a week?

       
  A)
  Water level will go up. done clear
  B)
  Water level will go down. done clear
  C)
  Water level will remain same. done clear
  D)
  Cannot be predicted done clear
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• question_answer13)
  Consider the following statements. Select the option which correctly identifies true (T) and false (F) ones.

  (i) The valve between left and right atrium allow the blood to flow only in one direction.

  (ii) The contents of phloem can move only in the upward direction whereas water in xylem moves both in the upward and downward directions.

  (iii) A healthy adult man excretes an; average of 1.5 litres of urine every day.

  (iv) Red blood cells are the biconcave, disc shaped structures filled with haemoglobin.

  A)

  (i)	(ii)	(iii)	(iv)
  F	F	T	T

    done clear
  B)

  (i)	(ii)	(iii)	(iv)
  T	F	T	T

    done clear
  C)

  (i)	(ii)	(iii)	(iv)
  F	T	T	F

    done clear
  D)

  (i)	(ii)	(iii)	(iv)
  F	F	T	F

    done clear
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• question_answer14)
  The part labelled X in the given diagram helps plants to ___.

  (i) take in oxygen

  (ii) take in water vapour

  (iii) Give out oxygen

  (iv) give out water vapour

  A)
   (i) and (ii) only done clear
  B)
   (i) and (iii) only done clear
  C)
   (ii) and (iii) only done clear
  D)
   (i), (iii) and (iv) only done clear
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• question_answer15)
  Select the incorrect statement.
  A)
   Phloem tubes are only found in the leaves of plants as this is where the sugars are made. done clear
  B)
   Volume of blood in an average human adult is 10 litres. done clear
  C)
   Blood contains many more white blood cells than red blood cells. done clear
  D)
   All of these done clear
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• question_answer16)
  Study the given flow chart carefully and select the option which is a correct match of xylem and phloem?            
  A)

  Xylem	Phloem
  P	R

              done clear
  B)

  Xylem	Phloem
  R	S

              done clear
  C)

  Xylem	Phloem
  S	R

              done clear
  D)

  Xylem	Phloem
  Q	R

  done clear
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• question_answer17)
  Read the given differences between X, Y and Z.         

  S. No	X	Y	Z
  (i)	They are thin walled vessels with a small lumen,	They are thick walled vessels with narrow lumen,	They are thin walled vessels with wide lumen.
  (ii)	They deliver blood to the body cells.	They carry blood away from the heart.	They bring blood towards the heart.
  (iii)	They are placed very deep.	They are situated in the deeper regions of the body.	They are superficially situated.
  (iv)	They carry both oxygenated and deoxygenated blood	They carry oxygenated blood, except one.	They carry deoxygenated blood, except one.

  Select the correct statement regarding X, Y and Z.      
  A)
   X is permeable to gases and other substances while Y and Z are impermeable. done clear
  B)
   X and Y are permeable to gases and other substances while Z is impermeable.         done clear
  C)
   X and Z are permeable to gases and other substances while Y is impermeable.         done clear
  D)
   Y is permeable to gases and other substances while X and Z are impermeable. done clear
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• question_answer18)
  Refer to the given figures of blood cells and select the correct statements regarding X, Y and Z.         

  (i)  X plays a key role in transporting waste carbon dioxide from the tissues to the lungs.

  (ii) The pigment present in Z absorbs oxygen and transports it to the cells all over the body.

  (iji) X is able to move on their own.

  (iv) Y helps the blood to clot whenever there is a wound on the body.

  (v) V is important part of our immune system.

  (vi) Z produces special protein substances, i.e., antibodies that protect us from infection.

  A)
   (i), (ii), (iii), (iv) and (vi) only done clear
  B)
   (ii), (iii) and (iv) only done clear
  C)
   (iii), (iv) and (v) only done clear
  D)
   (i), (ii), (iii) and (iv) only done clear
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• question_answer19)
  Mukta conducted an experiment in which two potato tubers X and Y (of equal size) were peeled and a cavity was made in each of them. X was boiled while Y was not. The cavities in the both tubers were filled with sugar solution and they were then placed in beakers containing distilled water. Select the correct statement regarding the result of this experiment.
  A)
   Level of sugar solution increased in both potato tubers X and Y due to osmosis. done clear
  B)
   Level of sugar solution decreased in both potato tubers X and Y due to osmosis. done clear
  C)
   Level of sugar solution increased in only potato tuber X due to osmosis. done clear
  D)
   Level of sugar solution increased in only potato tuber Y due to osmosis. done clear
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• question_answer20)
  Refer to the given figure of a sectional view of a blood vessel having a valve. Select the correct statement regarding it.     
  A)
   Blood flows from X to Y. done clear
  B)
   Muscles in the wall relax and close the valve, preventing backflow. done clear
  C)
   The elastic wall causes the valve to close between heart beats. done clear
  D)
   The valve is forced open when the blood pressure at Y is greater than at X. done clear
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