CBSE Class 7 Science Question 9 of 10

Life Processes in Animals — Question 11

Back to all questions
11
Question
Yadu conducted an experiment to test his idea. He took two test tubes, A and B, and added a pinch of rich flour to the test tubes half-filled with water and stirred them properly. To test tube B, he added a few drops of saliva. He left the two test tubes for 35-45 min. After that, he added iodine solution into both the test tubes. Experimental results are as shown in Fig. 9.15. What do you think he wants to test? Fig. Experimental results
Answer

Yadu wants to test the presence of starch in both test tubes.


Source: This question is from Life Processes in Animals, Science — Class 7, CBSE Board.

Key Concepts Covered

This question tests your understanding of the following concepts from the chapter Life Processes in Animals: Yadu, Conducted, Experiment, Test, Idea, Took. These are fundamental topics in Science that students are expected to master as part of the CBSE Class 7 curriculum.

A thorough understanding of these concepts will help you answer similar questions confidently in your CBSE examinations. These topics are frequently tested in both objective and subjective sections of Science papers. We recommend revising the relevant section of your textbook alongside practising these solved examples to build a strong foundation.

How to Approach This Question

Read the question carefully and identify what is being asked. Break down complex questions into smaller parts. Use the terminology and concepts discussed in this chapter. Structure your answer logically — begin with a definition or key statement, then provide supporting details. Review your answer to ensure it addresses all parts of the question completely.

Key Points to Remember

  • Read the question carefully and identify all parts before answering.
  • Use the terminology specific to this subject and chapter.
  • Review the textbook content for this chapter before attempting questions.
  • Practice writing concise, well-structured answers within time limits.

Practice more questions from Life Processes in Animals — Science, Class 7 CBSE