Life Process MCQ Questions and Answers Quiz

21. Following is true for heterotrophs

  1. Heterotrophs survival depends directly or indirectly on autotrophs
  2. Heterotrophic organisms include animals and fungi
  3. In heterotrophs, complex substances have to be broken down into simpler ones
  4. All of the above

22. Following is true for plants

  1. Plants have low energy needs
  2. The xylem moves water and minerals obtained from the soil
  3. Phloem transports products of photosynthesis from the leaves to other parts of the plant
  4. All of the above

23. Following is true for tissue fluid or lymph

  1. It is similar to the plasma of blood
  2. It is colorless
  3. It contains less protein
  4. All of the above

24. Following used in photosynthesis is taken up from the soil by the roots in terrestrial plants

  1. water
  2. nitrogen
  3. magnesium
  4. all of the above

25. Gastric glands release ............, a protein digesting enzyme called pepsin, and mucus

  1. Sulphuric acid
  2. hydrochloric acid
  3. nitric acid
  4. none of the above

26. Glucose is a................carbon molecule

  1. Four
  2. five
  3. six
  4. seven

27. Haemoglobin is present in

  1. Red blood corpuscles
  2. White blood corpuscles
  3. Plasma
  4. None of the above

28. In human beings, the respiratory pigment is

  1. Hemoglobin
  2. insulin
  3. enzyme
  4. none of the above

29. Lactic acid is a...............carbon molecule

  1. Three
  2. four
  3. five
  4. six

30. ln order for the blood to flow from right ventricle to left ventricle in mammalian heart, it must flow through

  1. Right ventricle pulmonary arteries, lungs, pulmonary veins, left atrium
  2. Right ventricle, pulmonary veins, lungs, pulmonary arteries, left atrium
  3. Right ventricle, right atrium, lungs, pulmonary veins, left atrium.
  4. Right ventricle, systemic aorta, pulmonary veins, left atrium
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