Chapter 1 Basic Biology: The Cell

Question 1

cell

Answer 1

A cell is the basic structural and functional unit of all living beings.

Question 2

Cell

Answer 2

A cell is the basic structural and functional unit of all living thing

Question 3

Study of cell is called?

Answer 3

CYTOLOGY

Question 4

Cell was discovered by?

Answer 4

Robert Hooke

Question 5

name the 3 scientists and there year of observation.

cell theory

Answer 5

M.J Schleiden in 1838
Theodar Schwann in 1839
Rudolf Virchow in 1856

Question 6

points of the cell theory

Answer 6

• Cell is the basic structural and functional unit of a living organism. Vital functions occor within teh cell
• All living organisms are made up of one or more cells
• New cells arise from pre existing cells
• All cells contain hereditry info

Question 7

Unicellular organisms

Answer 7

Made up of only one cell

eg. Yeast, Ameoba, Bacteria, etc

Question 8

Multicellular organisms

Answer 8

Made up of severalcells

eg. Animals ,Plants ,etc

Question 9

Unit of cell measurment and conversion

Answer 9

• Micron
• 1 micron = 1/1000millimeter

Question 10

Diameter of the smallest cells of bacteria

Answer 10

0.1 to 0.15 micron in diameter

Question 11

Nerve cell of an elephant

Answer 11

Can be as long as 3 meter

Question 12

Measurment of a hens and ostrichis egg {yolk part}

Answer 12

• Hens Yolk measures upto 3 cm
• ostrich yolk can measure upto 8 cm

Question 13

Shape of human WBC

Answer 13

Amoeboid shape

Question 14

Shape of

Nerve cell

Answer 14

long

Question 15

Shape of

Muscle cell

Answer 15

Long and contractile . They can also be cylindrical or spindle shaped

Question 16

Shape of

RBC

Answer 16

Biconcave shape