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Q:

Select the correct statement about the process of scientific inquiry.

A) The goal of scientific research is to prove the stated hypothesis. B) It is possible to test hypotheses, such as those involving historical events, without conducting experiments.
C) If the results of an experiment do not support the hypothesis that is tested, the experiment is badly designed. D) All of the above

Answer:   B) It is possible to test hypotheses, such as those involving historical events, without conducting experiments.



Explanation:

The correct statement among the given options about the process of scientific inquiry is "It is possible to test hypotheses, such as those involving historical events, without conducting experiments."

 

Although it is not possible to carry out experiments to test hypotheses about evolutionary relationships between living groups or about the timing of the origin of major evolutionary innovations, such hypotheses can be evaluated by making predictions about the expected findings that would result from these hypotheses. Data can then be collected to test whether these predictions are correct.

Subject: General Science
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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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