68
Q:

The gases used in different types of welding would include

A) oxygen and hydrogen B) oxygen and acetylene
C) oxygen, acetylene and argon D) oxygen, hydrogen, acetylene and nitrogen

Answer:   B) oxygen and acetylene



Explanation:
Subject: General Science
Q:

In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.

A) Xylem fibres B) Xylem parenchyma
C) Exarch D) Endarch
 
Answer & Explanation Answer: D) Endarch

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Q:

In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.

A) Ecosystem B) Mountain range
C) Forest D) Atmosphere
 
Answer & Explanation Answer: A) Ecosystem

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Q:

Thermal electricity is generated by using which of these ?

A) Coal only B) Coal and Natural Gas only
C) Coal, Natural Gas and Petroleum D) None of these
 
Answer & Explanation Answer: C) Coal, Natural Gas and Petroleum

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Q:

The large collection of stars, dust and gas held together by gravitational attraction between components is known as

A) Cluster B) Atmosphere
C) Galaxy D) Sun Family
 
Answer & Explanation Answer: C) Galaxy

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Q:

Gustation refers to the sense of which of the following ?

A) Smell B) Hearing
C) Tactile D) Taste
 
Answer & Explanation Answer: D) Taste

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Q:

The core of the earth is also known as ______

A) Lithosphere B) Mesosphere
C) Barysphere D) Centrosphere
 
Answer & Explanation Answer: C) Barysphere

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Q:

Growing agricultural crops between rows of planted trees is known as

A) Social forestry B) Jhum
C) Taungya system D) Agro forestry
 
Answer & Explanation Answer: C) Taungya system

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Q:

The material carried by the glacier such as rocks big and small, sand and silt gets deposited, which are called glacial ________.

A) moraines B) deltas
C) plateaus D) grooves
 
Answer & Explanation Answer: A) moraines

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