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Science (086) — AI-generated practice question

AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.

Q1. [1] straightforward initial-understanding
Which of the following correctly pairs a life process with the waste product it primarily removes from the human body? (a) Respiration — urea; Excretion — CO₂ (b) Respiration — CO₂; Excretion — urea (c) Nutrition — CO₂; Transportation — urea (d) Respiration — water; Excretion — oxygen
  1. a Respiration — urea; Excretion — CO₂
  2. b Respiration — CO₂; Excretion — urea
  3. c Nutrition — CO₂; Transportation — urea
  4. d Respiration — water; Excretion — oxygen
Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.