Systematics of Living Organisms — Biology STD 11 Science — Question

A mix bacterial culture was given to different teams of students and was asked to write their observation regarding the shapes of bacterial cells they observed under microscope. Students discussed the characteristics among their respective teams and mentioned major types of shapes they observed.
1. Which types of bacterial shapes were observed by the students?
2. Mention why they were named in a specific manner with respect to their shapes?

Give the difference between diploblastic and triploblastic animals?

Sketch and label the phase of cell division in which synaptonemal complex is formed?

Can metabolic reactions demonstrated in a test tube (called ‘in vitro’ tests) be called living?

Explain prophase I in your own words.

How glycolysis is regulated?

How are the cells in a multicellular organism classified?

Distinguish between grana and stroma.

Dhruvi met with an accident and has temporarily lost her ability to perceive external auditory stimuli. Which tissue must be affected?

What are Hornworts? Give one example.