List of top Horticulture Questions on Microscopic Techniques

Arrange the following steps involved in Gram staining technique in correct sequence:
A. Preparation of smear and fixation,
B. Decolourization with alcohol,
C. Addition of iodine,
D. Counter staining, E. Differential feature becomes apparent. Choose the correct answer from the options given below:

Given below are two statements:
Assertion (A): During fixation, the microorganisms are killed and attached firmly to the microscope slide.
Reason (R): A thin film of material containing microorganisms adequately preserves overall morphology including structures within the cells.

A microscope that uses visible light to observe specimens:

Choose the basic dye among the following:

A most widely employed microscopic staining method in bacteriology:

For the examination of microbial cells we require the use of?

Which of the fixatives is NOT used for sample preparation in TEM?

Negative staining method is used for examining very small objects. It is generally used in \(\underline{\hspace{2cm}}\)