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Q:

The process of bones increasing in width is known as

A) appositional growth B) concentric growth
C) closing of the epiphyseal plate D) long bones reaching adult length and width
 
Answer & Explanation Answer: A) appositional growth

Explanation:
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Q:

Which of these best describes genetic drift?

A) Random fluctuations in the gene frequencies within a population Eliminate B) The combining of alleles to create more genetic variations within a population
C) The movement of alleles between population D) A planned method to reduce the number of inferior genes in a population
 
Answer & Explanation Answer: A) Random fluctuations in the gene frequencies within a population Eliminate

Explanation:

Random fluctuations in the gene frequencies within a population Eliminate is the one which best describes genetic drift.

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Q:

What is the outcome when a cell undergoes meiosis?

A) Two haploid cells B) Four haploid cells
C) Two diploid cells D) Four diploid cells
 
Answer & Explanation Answer: B) Four haploid cells

Explanation:

When a cell undergoes meiosis process, it produces 4 haploid cells as a result.

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Q:

Stress is a factor that contributes to heart disease risk.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, poorly controlled stress and anger can lead to heart attacks and strokes.

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Subject: Biology
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Q:

Which of these is not a union territory of India?

A) Goa B) Puducherry
C) Delhi D) Andaman & Nicobar
 
Answer & Explanation Answer: A) Goa

Explanation:

A Union territory is a type of administrative division in India. Unlike the other states which have their own state governments, union territories are ruled by the central government. There are 7 union territories in India. They are ::



    • National Capital Territory of Delhi – Delhi.

 

    • Chandigarh – Chandigarh.

 

    • Daman and Diu – Daman.

 

    • Dadra and Nagar Haveli – Silvassa.

 

    • Pondicherry – Puducherry.

 

    • Andaman and Nicobar Islands – Port Blair.

 

    • Lakshadweep – Kavaratti.

 

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Q:

Which equation represents a neutralization reaction?

A) 2Al(OH)3(s) ---> Al2O3(s) + 3H2O(l) B) H2SO4(aq) + 2NaOH(aq) ---> Na2SO4(aq) + 2H2O(l)
C) 2H2(g) + O2(g) ---> 2H2O(l) D) H2CO3(aq) ---> CO2(g) + H2O(l)
 
Answer & Explanation Answer: B) H2SO4(aq) + 2NaOH(aq) ---> Na2SO4(aq) + 2H2O(l)

Explanation:

Here in the option B) H2SO4 - Sulfuric acid is reacting with sodium hydroxide (NaOH), a base to produce a salt (Sodium Sulfate), and water (H2O). This is characteristic of of acid-base neutralization reactions.

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Q:

For an object, the state of rest is considered to be the state of ______ speed.

A) increasing B)
C) inverse D) zero
 
Answer & Explanation Answer: D) zero

Explanation:
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Q:

Which is an example of an expressed power congress holds?

A) declaring war B) maintaining an army
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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