Home
Class 7
BIOLOGY
In the experiment for testing proteins t...

In the experiment for testing proteins the violet colour of the mixture turns…………that indicates presence of proteins.

A

Violet

B

Blue

C

Yellow

D

Purple

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Food Components

    NCERT TELUGU|Exercise Exercise |37 Videos

  • Animal Fibre

    NCERT TELUGU|Exercise IMPROVE YOUR LEARNING|15 Videos

  • Forest : Our Life

    NCERT TELUGU|Exercise Exercise |28 Videos

Similar Questions

Explore conceptually related problems

The chemicals used in testing proteins

Explain how to test the presence of proteins in food.

In this experiment the colour of water turns as follows

In the Proteins test we use

At room temperature the following equilibrium mixture is blue but when cooled in a freezing mixture, the colour of mixture turns pink. What is the nature of reaction. [Co(H_2O)_6]_(aq)^(2+)+ 4Cl^(-) leftrightarrow [CoCl_4]_(aq)^(2-)+6H_2O(l) Pink Blue

Lassaigne's test gives a violet colouration with sodium nitroprusside, it indicates

Change of colour to violet or purple confirms presence of

Write whole activity done by you to prove that presence of proteins in our diet.

ONE WORD ANSWER QUESTION Write the names of solution used to test the presence of proteins.

How can you prepare reagents for testing proteins ? What are the reagents and write their concentrations. (OR) Srikanth performed a test and found that proteins are present in the sambar provided in the Midday meals in his school. What are the material required for the test ? How can be prepare them ?

NCERT TELUGU-Food Components -Exercise
  1. These are required in minute quantities.

    Text Solution

    |

  2. The diet including in your mid day meal

    Text Solution

    |

  3. In the experiment for testing proteins the violet colour of the mixtur...

    Text Solution

    |

  4. While rubbing the groundnut seed on the white paper, it turns transluc...

    Text Solution

    |

  5. If our food is not balanced with proper nutrients we may…………..

    Text Solution

    |

  6. Which of the following are very less amount in our food?

    Text Solution

    |

  7. This would be the better thing,.

    Text Solution

    |

  8. Oil, ghee, butter are the sources of……………….

    Text Solution

    |

  9. Read the passage and answer the questions: Our food consists of carbo...

    Text Solution

    |

  10. Read the passage and answer the questions: Our food consists of carbo...

    Text Solution

    |

  11. Read the passage and answer the questions: Our food consists of carbo...

    Text Solution

    |

  12. Read the passage and answer the questions: Our food consists of carbo...

    Text Solution

    |

  13. Make a list of food items eaten during lunch by you. Try to mention th...

    Text Solution

    |

  14. Read the table and answer the questions: Name the energy rich compon...

    Text Solution

    |

  15. Observe the diagram and answer the questions: What experiment is pro...

    Text Solution

    |

  16. Observe the diagram and answer the questions: Mention the material u...

    Text Solution

    |

  17. "Balanced diet" is good for health. Comment.

    Text Solution

    |

  18. What will happen if we don.t include roughages in our diet?

    Text Solution

    |

  19. What does food give us? Why is it necessary when we sleep?

    Text Solution

    |

  20. Mention the food item according to given components.carbohydrates, pro...

    Text Solution

    |