Introduction of Biology (Lesson 1)

Question 1

Basic unit of life

Answer 1

Cell

Question 2

Fertilized egg from egg cell and sperm cell

Answer 2

Zygote

Question 3

Levels of organization

Answer 3

Cells > Tissues > Organs > Organ system > Organisms

Question 4

Inventor of the first optical microscope (1580)

Answer 4

HANS AND ZACHARIAS JANSSEN

Question 5

Coined the term ‘cell’; experimented on a piece of cork

Answer 5

Robert Hooke (1665)

Question 6

Discovered bacteria and he called it as “animalcules”

Answer 6

Anton Van Leeuwenhoek (1674)

Question 7

Old term for microscopic organisms that included bacteria, protozoans, and very small animals

Answer 7

Animalcule

Question 8

Discovered that a PLANTS are made of cell

Answer 8

Matthias Schleiden (1838)

Question 9

Discovered that all ANIMALS are made of cell

Answer 9

Theodore Schwann (1839)

Question 10

Discovered that all cells come from pre-existing cells; “omnis cellula e cellula”

Answer 10

Rudolf Virchow (1855)

Question 11

means that ‘All cells come from cells. Every cell is born of a previous cell, which was born of a previous cell.’

Answer 11

Omnis cellula e cellula

Question 12

Disproved the Theory of Spontaneous Generation or Abiogenesis which states that living organisms originated from non-living matters

Answer 12

Francesco Redi

Question 13

Performed experiments on soup in sealed containers and proved the microorganisms that spoil the soup were AIRBORNE

Answer 13

Lazzaro Spallanzani

Question 14

Renowned for discoveries of the principles of vaccination, microbial fermentation, and pasteurization

Answer 14

Louis Pasteur

Question 15

Cell Theory

Answer 15

*All living organisms are composed of one or more cells.
*The cell is the basic structural and functional unit of life.
*All cells arise from pre-existing cell through cell division.