8th Class Science Cell - Structure and Functions Question Bank

done Self Test-6 Total Questions - 9

• question_answer1)
  There are some organisms, which take in the entire food molecule inside their body by the process of ingestion, and then digest the food molecule. This process of nutrition is called ______.
  A)
  (a) Saprophytic done clear
  B)
  (b) Parasitic done clear
  C)
  (c) Holozoic done clear
  D)
  (d) Autotrophic done clear
  E)
  (e) None of these done clear
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• question_answer2)
  Identify the reaction given below \[6C{{O}_{2}}+6{{H}_{2}}O+Light\,energy\,\to {{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\]
  A)
  (a) Combination reaction done clear
  B)
  (b) Reduction reaction done clear
  C)
  (c) Respiration reaction done clear
  D)
  (d) Photosynthesis done clear
  E)
  (e) None of these done clear
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• question_answer3)
  David takes a potted plant and places it in dark for 48 hours. He experiments photosynthesis with the help of iodine solution, and finds that there is no change in colour. Which one of the following has not formed on the leaf that resulted in no change of colour?
  A)
  (a) Protein done clear
  B)
  (b) Carbohydrate done clear
  C)
  (c) Starch done clear
  D)
  (d) Fats done clear
  E)
  (e) None of these done clear
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• question_answer4)
  Excretion is the integral part of the life process. Excretion takes place in both plants and animals. Which one of the following methods given below is not the method of excretions in plants?
  A)
  (a) Transpiration done clear
  B)
  (b) Gums done clear
  C)
  (c) Resins done clear
  D)
  (d) Sweating done clear
  E)
  (e) None of these done clear
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• question_answer5)
  Which energy molecules is synthesized during cellular respiration to release energy in the organisms?
  A)
  (a) ADP done clear
  B)
  (b) ATP done clear
  C)
  (c) NADP done clear
  D)
  (d) NADPH done clear
  E)
  (e) None of these done clear
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• question_answer6)
  The main parts of our digestive system where digestion takes place are stomach, small intestine and large intestine. Digestion starts in mouth itself and continues till large intestine. The last part of large intestine where undigested food is stored for some time is called:
  A)
  (a) Rectum done clear
  B)
  (b) Colon done clear
  C)
  (c) Jejunum done clear
  D)
  (d) Duodenum done clear
  E)
  (e) None of these done clear
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• question_answer7)
  We breathe in or out air with the help of windpipe called trachea. The trachea does not collapse during the breathing process, because it is made up of ring of soft bones called:
  A)
  (a) Ribs done clear
  B)
  (b) Cardiac muscles done clear
  C)
  (c) Cartilage done clear
  D)
  (d) Ligaments done clear
  E)
  (e) None of these done clear
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• question_answer8)
  Blood is red in colour due to the presence of pigments called hemoglobin. It helps in transportation of oxygen form one part of the body to another. The component of blood which helps in transportation of materials from one part of the body to the another part is:
  A)
  (a) RBC done clear
  B)
  (b) WBC done clear
  C)
  (c) Platelets done clear
  D)
  (d) Plasma done clear
  E)
  (e) None of these done clear
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• question_answer9)
  The circulatory system consists of lungs, auricle, ventricle and veins. It carries blood and other materials form one part of the body to the other parts. Which one of the following carries deoxygenated blood from body to right atrium?
  A)
  (a) Artery done clear
  B)
  (b) Capillary tube done clear
  C)
  (c) Veins done clear
  D)
  (d) Vessels done clear
  E)
  (e) None of these done clear
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