Cell Structure and function – Online MCQs Test – Biology MCAT

1. Peroxisomes are rich in

Oxidative enzymes

Catalytic enzymes

DNA

RNA

2. The division of the plant kingdom into Prokaryota and Eukaryota is based on the characters of

All of these

Chromosomes only

Cell organelies only

Nucleus only

3. Which of the following is the correct pair?

Suicidal — Dictyosomes

Protein synthesis — Smooth E.R

DNA synthesis — Ribosomes

Aerobic respiration — cristae

4. All of the following are correct mitochondria EXCEPT

They can self-replicate

They contain their own DNA

They are the site of cellular respiration

They are the site of photosynthesis

5. Ribosomes are made up of

RNA and DNA

DNA and protein

DNA alone

RNA and protein

6. Which of the following pairs is correct”

Dictyosomes — Suicidal sacs

Svedberg unit — Bia-membranes

Polyribosomes — RN?

Cisternae — Mitochondria

7. The cell theory states that

All cells have nuclei

Cells are the basic structural units of living beings.

AU cells are totipotent.

Cells reproduce by mitosis.

8. Glyoxysomes occur in

Plant cell only

Animal cells only

Both plant and animal cells

All types of cells

9. Which of the following cell organelles is having single-layered unit membrane?

Lysosome

Centrosome

Nucleus

Mesosome

10. Factory for synthesis of sugars is in autotrophic eukaryotes

Mitochondrion

Chloroplast

Endoplasmic reticulum

Ribosome

11. Nucleoli are rich in

DNA, RNA and Proteins

RNA

DNA and RNA

DNA

12. A chromosome in which the centromere is situated near one end is known as

Sub-metacentric

Acrocentric

Telocentric

Metacentric

13. Highly Structured Protoplasm is

General substance

All of them

Living substance

Non-living substance

14. All are membrane-bound cell organelles expect one that lacks unit membrane?

Lysososmes

Mitochondria

Ribosomes

golgi bodies

15. The fluid part of cell called cell sap is the

Living contents of a cell

Non-living contents of a cell

Living contents of the vacuoles of cell

Non-living contents of the vacuoles of cell

16. Microtubules

From the cleavage furrow in a dividing cell

Are hollow tubes that make up cilia and flagella

Are made of actin and help support the shape of a cell

Enable an amoeba to sand out a pseudopod

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

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

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

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

Plasmodesmata — the membrane surrounding the vacuole in plants

18. Which cell contain 8 chromosome?

Fruit fly

Onion

Frog

Garden pea

19. When a plant cell is treated by cellulose and pectinate enzymes, which of the following is formed?

None of these

Chloroplast

Leucoplast

Protoplast

20. ATP is formed in

Nucleolus

Nucleus

Ribosomes

Mitochondria

Cell Structure and function-Medical College Admission Test Preparation Notes