Home
Class 9
BIOLOGY
Why should e dry the raisins with blotti...

Why should e dry the raisins with blotting paper gently after taking them out of water ?

Text Solution

Verified by Experts

Any extra water present on the outer surface of the raisins will increase the final weight and give an incorrect result.
Promotional Banner

Topper's Solved these Questions

  • PRACTICALS

    BHARATI BHAWAN (ENGLISH)|Exercise Exercise (Multiple Choice Questions)|129 Videos
  • HEALTH AND DISEASE

    BHARATI BHAWAN (ENGLISH)|Exercise Long Answer Questions|11 Videos
  • TISSUES

    BHARATI BHAWAN (ENGLISH)|Exercise F. Diagrammatic Questions|5 Videos

Similar Questions

Explore conceptually related problems

Why should we save paper?

Why cann't a fish survive out of water ?

5 dry raisins were placed in each of the two beakers containing 50 mL of water. After four hours, the raisins were taken out and wiped. For calculating the percentage of water absorbed by raisins, the raisins should have been weighed:

It is not advised to wash fruits and vegetables after cutting them. Why?

A charged rod attracts bits of dry paper, which after touching the rod often jucp away from it rapidly, Expalin

Study following statements regarding the preparation of herbarium sheets. (i) Plant shouold be collected in flowering stage. (ii) Every detail regarding the plant such sa locality, ecological conditions, vegetative and floral characters, etc. should be noted. (iii) Plants are evenly pressed by unfolding all the plant parts between blotting papers (or newspapers) with the help of plant pressers. (iv) Blotting papers need not be changed until the plant gets dried. (v) After drying, the plant specimen is carefully mounted/pasted on the herbarium sheets. (vi) The herbarium sheet is labelled on the lower right hand corner representing the number of plant specimen, data of collection, etc. Which of the above statements is/are not correct ?

BHARATI BHAWAN (ENGLISH)-PRACTICALS-Exercise (Multiple Choice Questions)
  1. Why should e dry the raisins with blotting paper gently after taking t...

    Text Solution

    |

  2. What type of cells will you observe in an onion peel examined under a ...

    Text Solution

    |

  3. On adding a drop of iodine solution to an onion peel ,

    Text Solution

    |

  4. Why do we cover the onion peel placed on a glass slide with a coversli...

    Text Solution

    |

  5. Which type of cells are there in the onion peel ?

    Text Solution

    |

  6. An onion is a modified

    Text Solution

    |

  7. When you observe the onion peel under the high magnificaton of the mic...

    Text Solution

    |

  8. Why do we keep the onion peel on a drop of water ?

    Text Solution

    |

  9. What kind of cells are the human cheek cells ?

    Text Solution

    |

  10. Why is the flat end of a sterile toothpick used to scrape the inside s...

    Text Solution

    |

  11. If the cheek cells are placed on a dirty slide , what do we observe un...

    Text Solution

    |

  12. The oval dense structure present in the centre of a cheek cell is

    Text Solution

    |

  13. The region between the nucleus and cell membrane in a cheek cell is oc...

    Text Solution

    |

  14. Which of the following is not found in cheek cells ?

    Text Solution

    |

  15. Which of the following features makes plant cells autotrophic ?

    Text Solution

    |

  16. Compared to the onion peel cells, cheek cells are more irregular in sh...

    Text Solution

    |

  17. Which of the following is not a example of simple tisse in plants ?

    Text Solution

    |

  18. Which of the following plant tissues generally have oval or spherical ...

    Text Solution

    |

  19. Which of the following simple permanent tissues does not have closely ...

    Text Solution

    |

  20. Intercellular spaces are usually found between

    Text Solution

    |

  21. What is the main function of parenchyma ?

    Text Solution

    |