Cell - The Unit of Life PYQ — Page 5

Identify the components labelled A, B, C and D in the diagram below from the list 1 to 8 given along with  1. Cristae of mitochondria 2. Inner membrane of mitochondria 3. Cytoplasm 4. Smooth endoplasmic reticulum 5. Rough endoplasmic reticulum 6. Mitochondrial matrix 7. Cell vacuole 8. Nucleus 

Middle lamella is mainly composed of

Plasmodesmata are

Cytoskeleton is made up of

Cytoskeleton is made up of :

Keeping in view the 'fluid mosaic model' for the structure of cell membrane, which one of the following statements is correct w.r.t. the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?

Polysome is formed by

Vacuole in a plant cell

In germinating seeds fatty acids are degraded exclusively in the

Cellulose is the major component of cell walls of

The two sub-units of ribosome remain united at a critical ion level of

Vacuole in a plant cell

Keeping in view the 'fluid mosaic model' for the structure of cell membrane, which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?

Select the wrong statement from the following.

Which one of the following is not a constituent of cell membrane'?

A major breakthrough in the studies of cells came with the development of electron microscope. This is because:

Which of the following statements regarding cilia is not correct?

According to widely accepted "fluid mosaic model" cell membranes are semifluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements is incorrect?

The main organelle involved in modification and routing of newly synthesized proteins to their destinations is:

A student wishes to study the cell structure under a light microscope having $10 \mathrm{X}$ eyepiece and $45 \mathrm{X}$ objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution?

Chlorophyll in chloroplasts is located in:

Flagella of prokaryotic and eukaryotic cells differ in:

What used to be described as Nissl granules in a nerve cell are now identified as:

Ribosomes are produced in: