Cell Structure and function – Online MCQs Test – Biology MCAT

1. Endoplasmic reticulum is in continuation with

Golgi body

Nuclear wall

Cell wall

Mitochondria

2. All of the following are correct mitochondria EXCEPT

They are the site of photosynthesis

They contain their own DNA

They are the site of cellular respiration

They can self-replicate

3. Which one of the following pigments does not occur in the chloroplast?

Chlorophyll b

Carotene

Anthocyanin

Xanthophyll

4. High energy phosphate bond is present in

ADP

Adenosine

Cyclic AMP

AMP

5. Which of the following statements is incorrect with reference to lysosomes”

They may be autophagic.

They are monomorphic and uniform in structure and function

They can digest proteins, nuclei acids.

They are filled acid hydrolase enzymes.

6. Unit membrane is made of

Phospholipids

Lipoproteins

Cellulose

Phosphoproteins

7. Which is the latest model that was proposed to explain the structure of plasma membrane?

Unit membrane model

Molecular model

None of the above

Fluid mosaic model

8. Which one of the following pairs is not correctly matched?

Cristae — The “Shelves” formed by the folding of the inner membrane of the Mitochondrion

Middle lamella — Layer between adjacent cell walls in plants derived from cell plate

Grana — Membrane bound discs in chloroplasts that contain chlorophylls and carotenoids

Plasmodesmata — the membrane surrounding the vacuole in plants

9. Fusiform muscle cells are found in:

Smooth muscles

Striated muscles

Skeletal muscles

Cardiac muscles

10. The storage diseases are caused by:

Storage of certain lysosomal enzymes

Storage of certain compound due to deficiency of lysosomal enzymes

None of the above

Storage of lysosomes in the body

11. Middle lamella is made up of

Cellulose

Suberin

Lignin

Calcium and magnesium pectate

12. Centrosome is found in

Nucleus

Nucleolus

Cytoplasm

Chromosomes

13. Cytoplasm of one cell is connected with other through

Apoplas

Plasmodesmata

Pit membrane

Cytoplasmic strands

14. Highly Structured Protoplasm is

Living substance

All of them

Non-living substance

General substance

15. The functional unit in the synthesis of protean is

Polysomes

Peroxisome

Lysosome

Dictyosomes

16. Basal bodies of cilia and flagella are derived from

Genes

Lysosomes

Centrioles

Plasma membrane

17. L-shaped chromosomes are called

Telocentric

Sex chromosomes

Acrocentric

Sub-metacentric

18. Ribosomes are made up of

DNA and protein

RNA and protein

DNA alone

RNA and DNA

19. The genes for hair color and eye color are:

Linked with X-chromosomes

Jumping genes

Linked with each other

Linked with Y-chromosomes

20. Glyoxysomes occur in

Animal cells only

All types of cells

Plant cell only

Both plant and animal cells

Cell Structure and function-Medical College Admission Test Preparation Notes