Scientist 🥼 🔭 And Their Discoveries

Question 1

Bacteria ( microorganisms )

Answer 1

Antony wen Leeuwenhoek ( 1673 )

Discover bacteria 🦠 in rain water 💦

Called these small creatures “ Animalcules “

Question 2

Germ theory of disease 🦟

Answer 2

Robert Koch

Question 3

Louis pasteur

Answer 3

Vaccine against rabies ( hydrophobia ) / anthrax / fowl cholera

Question 4

Who used the term vaccine for the first time ?

Answer 4

Louis pasteur

Question 5

TMV were called as filterable virus by :

Answer 5

Iwanosky ( 1892 )

Question 6

Who crystallized TMV ( infectious particle )

Answer 6

Stanley ( 1935 )

Question 7

Modern system of naming species dates from ?

Answer 7

Linnaeus

Question 8

In homosapiens , first name is the ?

Answer 8

Generic name

2nd name — specie

Question 9

Five kingdom system was given by ?

Answer 9

American biologist ( Robert H.whittaker )

Question 10

Bacteriophage are ??

Answer 10

Tadpole shaped
DNA ( genome)

Question 11

Herpes virus are of shape ?

Answer 11

Icosahedral ( with 20 faeces )

Question 12

Rhabdo virus are of shape ?

Answer 12

Bullet 🚅 shaped

Question 13

Retro virus are ?

Answer 13

Spherical shaped

Question 14

Paramyxovirus are ?

Answer 14

Button 🔘 shaped virus

Question 15

Size of electron microscope 🔬

Answer 15

10000000 mU ( millimicron )

Question 16

Whittaker classification was based on ?

Answer 16

2 _ criteria

∆ Cellular organization ( 3-levels)

• prokaryote
• Eukaryotes
  # Unicellular
  # Multicellular

∆ Mode of nutrition
-Heterotroph
-Autotroph
#ingestive
#absorptive

Question 17

The inner core of virus is made up of :

Answer 17

Nucleic acid ( DNA / RNA )
Various protein ( enzyme)

Question 18

The coat or outer covering of virus is made up of ?

Answer 18

🌟Capsid ✔️ ( compulsory in all )
🌟Envelope ✉️ ( not in all )

Question 19

What are capsomeres

Answer 19

Repetition of protein subunits of capsid

Question 20

Define Envelope?

Answer 20

Additional covering made up of host cell ( phospholipid)

Question 21

How many capsomeres are present in :
@polio virus
@ herpes virus
@Adenovirus

Answer 21

Polio V : 32 capsomeres

Herpes V : 162 capsomere

Adeno V : 252 capsomeres