During interphase the chromosomes become gradually visible under the ligth microscope-

To observe the asexual reproduction method-Budding in yeast. Apparatus : Test tube, conical flask, cotton plug, cover slip, glass slide, microscope, dropper. Materials : Water, sugar, dry yeast granules. Procedure : rarr Take 100mL of water in conical flask, Add 10g sugar and dissolve it to prepare sugar solution. rarr Take 20mL of sugar solution in glass test tube. Add little amount of dry yeast granules. Shake the mixture and close the test tube tightly with cotton plug. rarr Keep the test tube in warm place for 1 to 2 hours. rarr Take one or two drops of yeast solution on the glass slide with the help of dropper. rarr Now put a cover slip over it and observe under the microscope. What is seen under the microscope?

Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or dicot stem? Give reasons.

Cut a transverse section of young stem of a plant from your school garden and abserve it under the microscope. How would ascertain wheater it is a monocot stem or a dicot stem ? Give reasons.

Ribosomes are the granular structures first observed under the electron microscope as dense particles by:

During_____stage bivalent chromosomes clearly appear as a tetrad.