Science and Technology - General Knowledge Questions

A)
Tropics
B)
Africa
C)
Mediterranean
D)
Western Europe

Correct Answer :   Tropics

The Canada  Scientists have discovered a large hole in ozone gas layer, which envelops the Earth and protects it from the Sun's harmful ultraviolet rays. The hole is located in the lower stratosphere and is seven times bigger than the one over Antarctica.
 
The newly-discovered all-season hole sits over the tropics and has been there for more than 30 years, said Qing-Bin Lu, a scientist from the University of Waterloo in Ontario, Canada, who made the discovery..

Source : NDTV

A)
SEBI
B)
DRDO
C)
APEDA
D)
NITI Aayog

Correct Answer :   NITI Aayog

NITI Aayog recently released a handbook to guide state governments and local bodies to frame policies and norms towards setting up charging networks for electric vehicles (EV). The objective is to enhance charging infrastructure and facilitate a rapid transition to electric mobility in the country.

A)
Sunita Verma
B)
Sarla Thukral
C)
Lovlina Borgohain
D)
Vandana Thakaria

Correct Answer :   Sarla Thukral

Sarla Thukral was the first Indian woman to pilot an aircraft. She was honoured by Google with a unique doodle on August 8, 2021 to mark her 107th birth anniversary. She was an Indian pilot, designer and entrepreneur, who was best known for being the first woman from India to pilot an aircraft. 

A)
Rs 10.80 crore
B)
Rs 20.80 crore
C)
Rs 30.80 crore
D)
Rs 40.80 crore

Correct Answer :   Rs 30.80 crore

Prime Minister Narendra Modi’s monthly radio programme ‘Mann Ki Baat’ has fetched over Rs 30.80 crore as revenue since it began in 2014. The ‘Mann Ki Baat’ programme is broadcast through various channels of the All India Radio and Doordarshan.

A)
Delhi
B)
Punjab
C)
Haryana
D)
Jammu Kashmir

Correct Answer :   Punjab

To manage hearing loss in newborn and young children, the Punjab government launched an automated auditory brainstem response system (AABR) under the universal newborn hearing screening programme. By doing so, Punjab has become the first state in the country to introduce the system.

A)
high physiological age
B)
high blood pressure
C)
prevention of weight gain
D)
increase in healthy eating habits

Correct Answer :   high physiological age

The benefit of lifelong physical activity is prevention of weight gain. Being physically active for a lifelong period usually also makes it gaining weight much harder which in turn makes people leaner at an old age.

A)
Grapologist
B)
Wenologist
C)
Wineologist
D)
Oenologist

Correct Answer :   Oenologist

Oenology is the science and study of wine and winemaking. It is distinct from viticulture, which is concerned with the cultivation and harvest of grapes. The English word oenology derives from the word oinos, "wine" (οἶνος) and the suffix –logia, "study of" (-λογία) from the Ancient Greek language. An oenologist is an expert in the field of oenology. Oenology and viticulture are commonly taught together, thus covering all outdoor and indoor aspects of wine and winemaking.

A)
The radius of the earth
B)
The radius of the sun
C)
The depth of the ocean
D)
The distance between the sun and earth

Correct Answer :   The radius of the earth

You could simply lie down on a beach, watch the sun set once, and could quickly stand up once the last bit goes down, to see it go down again. In fact, if you carefully calculate the time difference between these 2 sunsets using a stopwatch, and take the length of your body into account, you could actually calculate (estimate) the radius of the earth.

A)
Genes found on cytoplasm
B)
Genes found on ribosomes
C)
Genes found on chromosomes
D)
All of the above

Correct Answer :   Genes found on chromosomes

Genetic alteration probably refers to altering Genes found on chromosomes. Genetic alteration refers to altering DNA sequence. Gene alteration forms genetically modified products that modifies the gene sequence.

Genetic engineering, also called genetic modification or genetic manipulation, is the direct manipulation of an organism's genes using biotechnology.

A)
Cholesterol
B)
Carbohydrate
C)
Protein
D)
Fat

Correct Answer :   Carbohydrate

The iodine test is used to test for the presence of starch i.e, Carbohydrate.