Intro to Biology 🧫

Question 1

What is the ph of pepsin ?

Answer 1

1.4 - 2

Question 2

Branches Of Biology

Answer 2

NTS 2018 – Palaeontology — study of fossils

Molecular biology — study of structure and function of molecules

Microbiology — study of microorganisms

Parasitology — study of parasites

Environmental biology – study of environment

Marine biology— organisms inhabiting the sea and ocean

Freshwater biology — dwelling in fresh water bodies

Human biology — study of biological aspects

Social biology — social interaction with in population

Biotechnology — study of data and techniques of engineering and technology

Question 3

Pasteurization technique is used to :

Answer 3

Preserve milk

Question 4

Vaccine against small pox was given by :

Answer 4

Edward jenner

Question 5

Life emerges on the level of :

Answer 5

Cell ( smallest unit )

Question 6

Cells of similar types form ?

Answer 6

Tissues

Question 7

Organelles are ?

Answer 7

Structure with In a cell that form a specific function

Question 8

Different tissues form :

Answer 8

Organ

Question 9

Several organs which collectively perform a single function are termed as ;

Answer 9

Organ system

Question 10

Biological control function?

Answer 10

They control pest 🦟 population

Question 11

First antibiotics discovered was

Answer 11

Penicillin – derived from fungus penicillium notatum

Question 12

Which were the three scientist who received noble prize ?

Answer 12

Fleming , Florey and Chain ( 1945 )

Question 13

Substances which in low concentration inhibit the growth of microorganisms ?

Answer 13

Antibiotics ( chemotherapeutic agents )

Question 14

Science of growing terrestrial plants in an aerated solution is called ?

Answer 14

Hydroponics / soil less / water culture

Question 15

Genetically isolated unit is called

Answer 15

Deme

Question 16

What is Niche ?

Answer 16

Functional role of a specie that it plays in a population

Question 17

Similar and potentially interbreeding organisms

Answer 17

Species

Question 18

Members of the one species inhabiting the same area

Answer 18

Population

Question 19

A community together with it’s non living environment ?

Answer 19

Ecosystem

Question 20

Two or more population living and interacting in the same area

Answer 20

Community

Question 21

Part of earth 🌎 inhabited by living and non living components is :

Answer 21

Biosphere

Question 22

Phyletic lineage

Answer 22

Ancestors to descendants ( link )

Question 23

What is Cloning ?

Answer 23

Production of duplicate copies
E.g
Identical twins , triplets in humans , asexual reproduction in plants and animals , regeneration and development of tumors and cancers .

Question 24

The first successful clone was ?

Answer 24

Dolly the sheep 🐑 ( 1997 )

Question 25

Nts ( 2018 ) The branch which deals with classification is ?

Answer 25

Taxonomy

Question 26

Nums 2014
Who experimented with disected leg of frog 🐸

Answer 26

Galvani

Question 27

Practice of growing diff crops on the same ground is called

Answer 27

Crop rotation — helps to eradicate diseases

Question 28

Imp charts 📉

Answer 28

Observation (facts)
|
Hypothesis
{ Logical/ tentative statement }
|
Reasoning
|
Experiment
|
Conclusion
|
Theory
|
Law

Inductive : specific == general { isolated facts —- general idea }

Deductive : general == specific { if / then }

                Species 
                       |
               Population 
                       |
              Community
                        | 
               Ecosystem 
                        |
                Biosphere