Science and Technology - General Knowledge Questions

A)
Crookes Glass
B)
Soda Glass
C)
Pyrex Glass
D)
Jena Glass

Correct Answer :   Crookes Glass

Crooked Glass is a special kind of glass which contain cerium oxide and this is able to cutt off ub rays of sun and are thus used to make sunglasses.

A)
35 dB
B)
60 dB
C)
80 dB
D)
100 dB

Correct Answer :   80 dB

A)
Simple Mail Transfer Protocol
B)
Uniform Resource Locator
C)
JavaScript
D)
Wide Area Network

Correct Answer :   Wide Area Network

A)
Pedology
B)
Pedagogy
C)
Ecology
D)
Pomology

Correct Answer :   Pedology

According to the Oxford English Dictionary, pedology is 'the scientific study of soil, especially its formation, nature, and classification. ... Soil, the focus of pedology, is 'the uppermost unconsolidated part of the Earth.

A)
low level of haemoglobin
B)
low partial pressure of oxygen
C)
high partial pressure of carbon dioxide
D)
high partial pressure of oxygen

Correct Answer :   low partial pressure of oxygen

Higher altitudes have lower levels of oxygen and decreased air pressure. When you travel in a plane, drive or hike up a mountain, or go skiing, your body may not have enough time to adjust. This can result in acute mountain sickness.

A)
Loss due to plant diseases
B)
Decrease in food production
C)
Loss due to insect pests
D)
Deficiencies of micronutrients and vitamins

Correct Answer :   Deficiencies of micronutrients and vitamins

A)
Rock dam
B)
Mulching
C)
Terrace farming
D)
Contour barriers

Correct Answer :   Rock dam

Rock dam: Rocks are piled up to slow down the flow of water. This prevents gullies and further soil loss.

A)
Yellow and white
B)
Green and blue
C)
Black and yellow
D)
Red and green

Correct Answer :   Red and green

There are two major types of color blindness: Red-green color blindness: difficulty distinguishing between red and green. Blue-yellow color blindness: difficulty distinguishing between blue and yellow.

A)
Peepal
B)
Mango
C)
Eucalyptus
D)
Gulmohar

Correct Answer :   Eucalyptus

Eucalyptus, Acacia, Polar, etc are some of the most commonly used tree species in social forestry. This is because Eucalyptus helps meet increasing wood demands from dwindling natural forests, supplying local communities and industry alike.

A)
Pineapple
B)
Banyan
C)
Tulsi
D)
Babul

Correct Answer :   Banyan

Ficus benghalensis, commonly known as the banyan, banyan fig and Indian banyan, is a tree native to the Indian Subcontinent. Specimens in India are among the largest trees in the world by canopy coverage.