Observing cells - class-VI
Description: observing cells | |
Number of Questions: 18 | |
Created by: Gauri Chanda | |
Tags: caskets of life cell-the basic unit of life cell its structure and functions organisation of the organism cell - the structural and functional unit of life structural and functional unit of our body - the cell biology life's mysteries in little chambers cell - the structure and functions unit of living - cell cell and cell organelles |
Peel should not be allowed to dry while observing under microscope beacuse
Where do we generally mount the material on the slide?
Which of the following is the main difference between onion peel cells and human cheek cells?
Which material did you use in the laboratory to observe vacuoles?
Which of the following is not present in onion cell?
Which is useful for the study of a typical plant cell?
.......... is used as a colouring agent to colour the slide which is to be observed under the microscope.
Onion cells and cheek cells are the examples of prokaryotic cell.
When a student observed a stomatal epidermal peel under the microscope, it appeared pinkish red.
The stain used was :
How is a bacterial cell different from an onion peel cell?
Temporary mount of a peel is made in :
Temporary mount of a peel is made in :
A well stained leaf peel preparation when focussed under high power of the microscope would
show :
Given below are the steps in the preparation of a temporary mount of a stained leaf peel.
(i) Cover the material with the cover slip
(ii) Transfer the stained peel to a clean glass slide and add a drop of glycerine
(iii) Remove the peel from lower surface of leaf
(iv) Drop it in water in Petri dish and add a drop of safranin stain.
The correct sequence of the experiment steps is
Which one of the following organisms is correctly matched with its three characteristics?
To distinguish microscopically between cheek cell and onion cell mount, one should look for the presence or absence of
Geeta was asked to prepare a temporary mount of onion peel and list the steps. While writing, she wrote the following steps, which may not be in proper sequence. The correct sequence would be
(i) Add a few drops of safranin stain and transfer to a slide.
(ii) Cover it with a coverslip.
(iii) Add a drop of glycerine.
(iv) Take out onion peel.
(v) Keep the peel in water in a petri dish.
Why is glycerine used for preparing a temporary mount?