Cell Structure and function – Online MCQs Test – Biology MCAT

1. 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

2. Which cell contain 8 chromosome?

Frog

Garden pea

Fruit fly

Onion

3. Which process requires energy?

Water flowing into a paramecium in a lake

Passive diffusion

A contractile vacuole removing water from an amoeba

Facilitated diffusion of calcium through a channel

4. Bulk drinking of fluid by cells is termed as

Pinocytosis

Phagocytosis

Osmosis

Cyclosis

5. Centrosome is found in

Nucleolus

Chromosomes

Cytoplasm

Nucleus

6. Lysosome along with the food content is called

Cytosome

Primary lysosome

Secondary lysosome

Residual bodies

7. The function of nucleolus is to store

DNA

r-RNA

m-RNA

t-RNI

8. The storage diseases are caused by:

Storage of lysosomes in the body

Storage of certain compound due to deficiency of lysosomal enzymes

None of the above

Storage of certain lysosomal enzymes

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

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

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

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

Plasmodesmata — the membrane surrounding the vacuole in plants

10. Centromere is concerned with

Formation of spindle fibres

Movement of chromosomes to poles

Duplication of DNA

Splitting of chromosomes

11. In plant cells, the number of golgi bodies increases during

Translocation

Food synthesis

Cell division

Respiration

12. Endoplasmic reticulum is in continuation with

Mitochondria

Golgi body

Cell wall

Nuclear wall

13. There is a possibility of breakage of incomplete linkage during:

Fertilization

Gametogenesis

Independent assortment

Oogenesis

14. The smallest known cell is

Nostoc

Acetabularia

Chlamydomnas

Mycoplasma pneumoniae

15. Middle lamella is made up of

Cellulose

Lignin

Calcium and magnesium pectate

Suberin

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

They can digest proteins, nuclei acids.

They are monomorphic and uniform in structure and function

They are filled acid hydrolase enzymes.

They may be autophagic.

17. ATP is formed in

Nucleolus

Nucleus

Mitochondria

Ribosomes

18. Highly Structured Protoplasm is

All of them

Non-living substance

General substance

Living substance

19. DNA is present in

Ribosomes

E.R

Mitochondria and chloroplast

Lysosome

20. The non-membranous organelles are

Centriole

All of the above

Ribosomes

Nucleolus

Cell Structure and function-Medical College Admission Test Preparation Notes