Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their fucntions and draw labelled diagrams of both.

which organelle is surrounded by two membranes?

Which of the following is double membrane bounded cell organelle.

which Eukaryotic cells have organelles which may bound by a double membrane

which Eukaryotic cells have organelles which may bound by a single membrane

Answer the following questions What happens when a ray of light is incident normal to the interface between two media ? Draw the corresponding neat and labelled diagram.

Answer the following questions A ray of light is incident thobliquely at a boundary separating two media . What is its behaviour if the refractive index of the first medium is greater than that of the second medium ? Draw the corresponding neat and labelled diagrams.

Answer the following questions: What is an aritifical satellite?Name any two types of artifical satellite and state their functions.

Eukaryotic cells have organelles which may (a) not be bound by a membrane (b) bound by a single membrane (c) bound by a double membrane Group the various subcellular organelles into these three categories.

Answer the following Draw neat and labelled diagram of Marchantia and mention any two characteristics.