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In the process of digestion… (Class 10 Science 2023, Q24)

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ScienceCBSE Class 10 · Board exam 2023, set 31/5/1 · 2 marks · Very short answer

CBSE Class 10 Science 2023: question 24

Set in the CBSE Class 10 board exam of 2023, paper 31/5/1, section B, question 24, for 2 marks. Try it first; the hints and our step-by-step solution are below.

Q24 · 2 marks · Very short answerLife Processes

In the process of digestion of food in human beings, two protein-digesting enzymes are secreted. Name the enzymes along with the glands that secrete them.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2023 board paper, set 31/5/1.

Hints

Open one hint at a time and try again before the next.

Hint 1

Protein digestion starts in the stomach and is completed in the small intestine.

Hint 2

Which enzyme do the stomach glands release, and which enzyme does pancreatic juice contain for proteins?

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. Enzyme 1: Pepsin, which digests proteins in the stomach.

    ½ mark

  2. It is secreted by the gastric glands in the wall of the stomach.

    ½ mark

  3. Enzyme 2: Trypsin, which digests proteins in the small intestine.

    ½ mark

  4. It is secreted by the pancreas as part of pancreatic juice.

    ½ mark

Answer: Pepsin – gastric glands; Trypsin – pancreas

Where the marks are

  • Names pepsin (½ mark)
  • Names gastric glands as its source (½ mark)
  • Names trypsin (½ mark)
  • Names pancreas as its source (½ mark)

Revise the chapter

  • Chapter: Life Processes (notes, formulas, where marks are lost and every past question)
Practise this chapterBoard-style questions from Life Processes, one at a time, marked against the answer key and marking points.Back to the full paper2023 board paper, set 31/5/1: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.