Cell Structure and function – Online MCQs Test – Biology MCAT

1. The storage diseases are caused by:

Storage of certain compound due to deficiency of lysosomal enzymes

Storage of lysosomes in the body

None of the above

Storage of certain lysosomal enzymes

2. A mature plant cell has

Cell wall and protoplasm

Vacuole and cell wall

Protoplasm, cell wall and vacuole

Protoplasm and vacuole

3. High energy phosphate bond is present in

AMP

ADP

Adenosine

Cyclic AMP

4. If a biochemical analysis of mitochondria is to be done, the best procedure would be

Grind the cell, filter out the mixture and take the debris

Select cells which have a large number of mitochondria

Plasmolyse the cell, filter it and take the debris

Subject the cells to cell differentiation (centrifuge) and obtain mitochondria

5. Lysosome along with the food content is called

Primary lysosome

Cytosome

Secondary lysosome

Residual bodies

6. The plant cell wall is made up of cellulose. This is believed to be

An amino acid

A liquid

A protein

A polysaccharide

7. GoIgi body originated from

Cell membrane

Lysosome

Endoplasmic reticulum

Mitochondria

8. The filaments associated with cilia an flagella are constituted by

Microvilli

Microtubules

Microfilaments

Microfibrus

9. Which of the following processes take place in endoplasmic reticulum?

All of the above

Lipid synthesis

Steroid synthesis

Channeling of biosynthetic processes

10. What did Robert Hooke discover in the thin section of the cork?

Nuclei

Cell wall

Cellulose

Protoplasm

11. Polyribosomes are aggregation of

Peroxisome

Only rRNA

Ribosomes and rRNA

Several ribosomes held together by a string of mRNA

12. The non-membranous organelles are

Nucleolus

Centriole

All of the above

Ribosomes

13. The word cytoplasm means:

Living gel of the cell

Living matter of the cell

Living substance of the cell

Living fluid of the cell

14. The main difference between the living and non-living is

In the presence of protoplasm

In the growth

In the movement

In the size

15. Fluid mosaic model of plasma membrane differs from the unit membrane model in the

Number of lipid layers

Arrangement of proteins

Arrangement of lipid layers

Absence of protein in Singer and Nicholson’s model

16. Homogenisation is

Separation of different cellular components

Crushing tissue to separate cells from intercellular substances

Breaking of cells and suspending them in 0.25 sucrose solution

Breaking a tissue into cells

17. Which of the following layer is present nearest to plasma membrane in a plant cell?

Secondary wall

Middle lamella

Tonoplast

Primary wall

18. Which of the following is responsible for mechanical support, enzyme transport and protein synthesis ?

Mitochondria

Cell membrane

Endoplasmic reticulum

Dictyosomes

19. L-shaped chromosomes are called

Telocentric

Sex chromosomes

Sub-metacentric

Acrocentric

20. Resolution means:

How much its two points are apart

How much light an eye or microscope

How much size of an object have

How much an object become larger with microscope

Cell Structure and function-Medical College Admission Test Preparation Notes