Science and Technology - General Knowledge Questions

A)
less the 0.03%
B)
less the 0.05%
C)
between 0.05 to 3%
D)
between 3 to 5%

Correct Answer :   less the 0.05%

Fresh water has a salinity of 0.5 ppt or less. Estuaries can have varying salinity levels throughout their length and can range from 0.5-30 ppt depending on their proximity to river inflows or the ocean. The average salinity of ocean water is 35 ppt.

A)
John Snow
B)
Ian McHarg
C)
Jack Dangermond
D)
Roger Tomlinson

Correct Answer :   Roger Tomlinson

Roger F. Tomlinson who first coined the term geographic information system (GIS). He created the first computerized geographic information system in the 1960s while working for the Canadian government—a geographic database still used today by municipalities across Canada for land planning.

A)
Brain Fever
B)
Tuberculosis
C)
Leprosy
D)
Measles

Correct Answer :   Leprosy

Since its development as an anti-leprosy vaccine during 1990s, Mycobacterium indicus pranii (MIP) has been evaluated successfully as prophylactic as well as therapeutic vaccine against TB in animal models and in clinical set-ups.

A)
380-760 nm
B)
300-390 nm
C)
1200-1500 nm
D)
790-800 nm

Correct Answer :   380-760 nm

More simply, this range of wavelengths is called visible light. Typically, the human eye can detect wavelengths from 380 to 700 nanometers.

A)
Mixture of minerals
B)
Native elements
C)
Compounds of minerals
D)
None of the above

Correct Answer :   Native elements

An element is made up of one type of atom only and cannot be split further. A compound has the combined properties of the elements from which it is made.

A)
Red & White
B)
Blue & Red
C)
Yellow & Blue
D)
Yellow & Red

Correct Answer :   Yellow & Blue

Starting at the very beginning, you can make a basic green color by mixing yellow and blue. If you are very new to color mixing, a color mixing chart can be helpful. When you combine the colors opposite each other on the wheel, you will create the color between them.

A)
Universal solvent
B)
High polarity
C)
High specific heat
D)
All of the above

Correct Answer :   All of the above

Yes, we know that water is a universal solvent.
 
Water can moderate temperature because of the two properties: high-specific heat and the high heat of vaporization.
 
Water is a polar molecule that has a high level of polarity and attraction to ions and other polar molecules.
 
Hence, all the above given options are the properties of water.

A)
the unconscious motivations for human functioning
B)
how the mind helped people adapt to the world
C)
the basic building blocks of consciousness
D)
the overall patterns of perceptions and thoughts

Correct Answer :   the overall patterns of perceptions and thoughts

A)
Kingdom
B)
Species
C)
Family
D)
Phylum

Correct Answer :   Kingdom

Kingdom is the smallest level of classification.
 
The level of classification from largest to smallest is :
 
* Domain
* Kingdom
* Phylum
* Class
* Order
* Family
* Genus
* Species

A)
the process of revealing intimate aspects of ourselves to others
B)
how people explain others' behavior
C)
the loss of self-awareness that occurs in group situations
D)
social facilitation and social loafing

Correct Answer :   how people explain others' behavior

Attribution theory was designed to account for how people explain others' behavior. It is a theory in psychology states that the attributions people make about events and behavior can be classed as either internal or external. In an internal, or dispositional, attribution, people infer that an event or a person's behavior is due to personal factors such as traits, abilities, or feelings.