WAEC Biology 2024 Theory — Question 2
Question 2 of 19 from the West African Examinations Council (WAEC) Biology 2024 Theory paper, with the correct answer and a full explanation.
Advertisement
2. Complete the table below by stating the structure for excretion and the form in which waste is excreted for each organism: Flatworm, Earthworm, Cockroach, Human, (Green) Plant. (The Amoeba/Paramecium row is given as an example: Contractile vacuole; Gaseous/Liquid.)
Model answer
Flatworm — Flame cell — Liquid. Earthworm — Nephridium/Nephridia — Liquid. Cockroach — Malpighian tubule — Solid. Human — Skin/Kidney/lung — Liquid. (Green) Plant — Stomata pore — Gaseous/gas.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.