Diversity of organisms — A/L Biology

How do I practise Diversity of organisms?

1 question with a worked solution

1. Which of the following characteristics is unique to Kingdom Fungi and absent in Kingdom Plantae?
   1. A) Presence of multicellular hyphal structures
   2. B) Eukaryotic cell organization with membrane-bound nucleus
   3. C) Cell walls composed of chitin and absorptive heterotrophic nutrition
   4. D) Storage of excess carbohydrates as starch
   Check my answer

   Correct answer: C) Cell walls composed of chitin and absorptive heterotrophic nutrition

   Fungi possess cell walls made of chitin (a nitrogenous polysaccharide) and exhibit absorptive heterotrophy, whereas plants have cellulosic cell walls and are autotrophic.

   Show worked solution

   Step 1: Compare Fungi and Plantae cell walls: Fungi = Chitin; Plantae = Cellulose. Step 2: Compare nutrition: Fungi = Absorptive heterotrophs; Plantae = Photoautotrophs. Step 3: Storage carbohydrate: Fungi store glycogen; Plants store starch. Answer: Cell walls composed of chitin and absorptive heterotrophic nutrition.
   Modelled on: the A/L Biology examination pattern

Get this auto-marked

Next in the syllabus

Where does Diversity of organisms fit in the syllabus?

Year 1 · Term 3