Category: Biology

QUESTION The table lists some organelles and functions. Only one pair is correctly matched. Organelle Function Lysosome Stores water and waste materials Vacuole Breaks down sugars Mitochondrion Breaks down waste materials and debris Ribosome Produces proteins for the cell Which organelle in the table is correctly matched with its function? A) Lysosome B) Vacuole C) […]

QUESTION Which statement best distinguishes the light-dependent (L-D) reactions from the light-independent (L-IND) reactions? A) The L-D reactions occur in the thylakoid membrane, and the L-IND reactions occur in the stroma. B) The L-D reactions occur in the cytoplasm, and the L-IND reactions occur in the chloroplast. C) The L-D reactions occur in the chloroplast, […]

QUESTION Which of the following best describes energy transformations in ecosystems? A) Most energy in a lower trophic level is passed to higher trophic levels. B)Heat is not a significant waste product as energy passes between trophic levels. C) Most of the energy collected by an organism is not passed on to other organisms. D) […]

QUESTION Energy must be transformed in ecosystems because _______. A) energy cannot be created or destroyed B) an organism’s energy must go somewhere C) an organism’s energy must come from somewhere D) all of the above ANSWER The correct option is D) all of the above.