1st Year Biology Chapter No:01 Mcqs


The study of microorganisms is called:

Ans: Microbiology   

Study of fossils is called:

Ans: Paleontology   

Biology does not deal with:

Ans: Meaning of Life 

Behavior and communal life of a human are studied in:

Ans: Social Biology  

Virus, Bacteria, and Tapeworm can be collectively studied in:

Ans: Parasitology

Oxygen, carbon, and nitrogen constitute ………. % of a man:

Ans:86 

The living component of a cell is called:

Ans: protoplasm    

      A large regional community which is largely determined by its climate is called as:

Ans:  biome      

%age of magnesium in humans is:

Ans:0.05%

The organ level organization is less defined in ……… than in animals:

Ans: Plants      

The total number of rats in a rice field is an example of:

 Ans: population     

The number of bio elements is:

Ans:16    

The percentage of sodium in a cell is:

Ans:0.15

The bio element with the highest percentage in the human body is:

Ans: oxygen      

The stomach has secretory:

Ans: Epithelium     

The part of earth inhabited by living organisms is called:

Ans: biosphere    

In plants, long term regulation is brought about by:

Ans: hormones   

The biomes are named on the basis of:

Ans: major plants

The total number of species which have been discovered till now is:

Ans: 2.5 million

Vascular plants have …… % of total organisms:

Ans: 17.6%

A hypothesis is a tentative explanation of:

Ans: Observation

An organized form of observations is called as:

Ans: Hypothesis

……………… is systematized knowledge:

Ans: Science

Plants having foreign DNA are called:

Ans: Transgenic plants

Cloning is a technique to achieve:

Ans: Eugenic aims

AIDS is caused by:

Ans: HIV

The first vaccine was developed against:

Ans: Viral disease

The exhaust of automobiles is adding …. to the atmosphere:

Ans: Lead

Which technique is used to treat cancer?

Ans: Radiotherapy & chemotherapy

Which disease has been totally eradicated from the world?

Ans: Smallpox

Pasteurization technique was developed by:

Ans: Louis Pasture

The technique by which the mineral requirement of a plant can be checked is called as:

Ans: Hydroponic culture technique

First living organism evolved …… years ago:

Ans: 3000 M

Microscopic study of tissues is called as:

Ans: Histology

……… provides division of labor within a cell:

Ans: Organelles

We are living in a --------- era

Ans: Cenozoic

The study of living organisms present in lakes, rivers, etc. is called:

Ans: Freshwater biology

The highest level of biological organization is:

Ans: Biosphere

Life started in which era:

Ans: Proterozoic

First vaccination technique was developed by:

Ans: Edward Jenner

The technique used to preserve milk and milk products is called:

Ans: Pasteurization

Percentage of hydrogen in the human body is:

Ans: 10%

 

Note: You can also give us your answers in the comments section.