Chapter 4

Cells and tissues

Exercise solved Mcqs

 

1.      Which of these clues would tell you whether a cell is prokaryotic or eukaryotic

a)      The presence or absence of a cell wall

b)      Whether or not the cell is partitioned by internal membrane

c)      The presence or absence of ribosomes

d)     Whether or not the cell contains DNAs

2.      There are _________ micrometers is one milimeter (mm).

a)      10

b)      100

c)      1000

d)     1/1000

3.      The plasma membrane dose all of these except_____________.

 

a)Contains the hereditary material

b) Acts as a boundary or border for the cytoplasm

c) Regulates the passage of material in and out of the cell

d) Functions in the recognition of cell

4. Which  of these materials is not a component of the plasma membrane?

a)      Lipids

b)      Carbohydrates

c)      Proteins

d)     DNA

5. Cells walls are found in these organisms, except for

a)      Plants

b)      Animals

c)      Bacteria

d)     fungi

6. The ___________is a major component of plant cell walls.

a)      Chitin

b)      Peptidoglycan

c)      Cellulose

d)     Cholesterol

7. Plants cell have _____ and _____, which are not present in animal cells.

a)      Mitochondria, chloroplast

b)      Cell membranes, cell walls

c)      Chloroplast, nucleus

d)     Chloroplast, cell wall

8. The _________is the membrane encloses structure in eukaryotic cells that contain the DNA of the cell

a)      Mitochondria

b)      Chloroplast

c)      Nucleolus

d)     Nucleus

9.    9.   Ribosomes are constructed in the_______.

a)      Endoplasmic reticulum

b)      Nucleoid

c)      Nucleolus

d)     Nuclear pore

1.      10. Rough endoplasmic reticulum is the area in a cell where _______ are synthesized.

a)      Polysaccharides

b)      Protein

c)      lipids

d)     DNA

2.      11Smooth endoplasmic reticulum is the area in a cell where _______ are synthesized

a)      Polysaccharides

b)      Protein

c)      Lipids

d)     DNA

3.      12. The mitochondrion function in __________.

a)      Lipid storage

b)      Protein synthesis

c)      Photosynthesis

d)     Cellular respiration

4.   13.    The thin extension of the inn mitochondrial membrane are know as __________.

a)      Cristae

b)      Matrix

c)      Thylakoid

d)     Stroma

5.   14.    The chloroplast function in______.

a)      ATP synthesis

b)      Protein synthesis

c)      Photosynthesis

d)     DNA replication

6.      15Which of these cellular organelles have their own DNA?

a)      Chloroplast

b)      Nucleus

c)      Mitochondria

d)     All of these

 

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