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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
Haemoglobin is to oxygen transport in humans as ________ is to water transport in plants — it provides the medium/mechanism for movement. Which of the following correctly fills the blank? (a) Phloem sieve tubes (b) Xylem vessels (c) Guard cells (d) Companion cells
  1. a Phloem sieve tubes
  2. b Xylem vessels
  3. c Guard cells
  4. d Companion cells
Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.