Science
Life Processes
Practice questions
Why should excretion be considered as important as obtaining energy?Why will blockage of xylem indirectly affect photosynthesis?Why can root growth be affected if phloem is damaged?Why is it not enough to remember digestion respiration and transport separately?If the transport system works but excretion stops which problem will become serious first?In life processes the internal balance of the body is best maintained by which combined action?Release of oxygen in photosynthesis indicates what?How should the relation between bile and fat digesting enzyme in fat digestion be understood?Why is it incomplete to call filtration in nephron only waste removal?Why is it more scientific to treat life processes as an interconnected chain?What is the most mature conclusion about life processes?If a plant has enough light but guard cells of the leaf remain flaccid continuously what is the most logical effect on photosynthesis?A leaf has chlorophyll and water but carbon dioxide is unavailable. Why will starch formation not occur?Why is it considered necessary to keep a plant in darkness first in a photosynthesis experiment?If only one part of a leaf receives light and the rest remains covered what conclusion is correct in the iodine test?In which situation will a plant try to protect itself by closing stomata and this will negatively affect food formation?In human digestion saliva acts on starch but why may this action stop in the stomach?If mucus is not produced in the stomach what problem can the presence of acid and enzymes cause?What is the correct sequence of roles of bile and pancreatic juice in fat digestion?If bile does not reach the small intestine but pancreatic juice does why will fat digestion still be weak?