Practice mode / Biology Diagnostic Which of the following is the empirical formula of chlorophyll b? A Option A: C55H70O5N4Mg B Option B: C55H72O6N4Mg C Option C: C55H70O6N4Mg D Option D: C55H72O5N4Mg Correct answer C. C55H70O6N4Mg Show answer Report a problem How we write and check questions
Question 01 / Biology Animals with the greatest number of similarities are grouped together in which category? A Option A: Genus B Option B: Family C Option C: Phylum D Option D: Order Correct answer A. Genus Show answer Open question
Question 02 / Biology Which of these relationships is NOT an example of symbiosis? A Option A: Algae and fungi in a lichen B Option B: Mycorrhizal fungi and tree roots C Option C: Rhizobium and leguminous plants D Option D: Marchantia sporophyte and gametophyte Correct answer D. Marchantia sporophyte and gametophyte Show answer Open question
Question 03 / Biology In most ecosystems, through which group does the greatest amount of energy flow? A Option A: Decomposers B Option B: Herbivores C Option C: Secondary consumers D Option D: Carnivores Correct answer B. Herbivores Show answer Open question
Question 04 / Biology In humans, which structure is formed or modified from the embryonic gill pouches? A Option A: Gills B Option B: Lungs C Option C: Middle ear D Option D: Eustachian tube Correct answer D. Eustachian tube Show answer Open question
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