Q:

Production costs to an economist

A) reflect opportunity costs	B) consist only of explicit costs
C) always reflect monetary outlays	D) never reflect monetary outlays

Answer & Explanation Answer: A) reflect opportunity costs

Explanation:

Production costs to an economist reflect opportunity costs.

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Filed Under: Indian Economy
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Q:

Which equation is an example of a synthesis reaction?

A) 2H2 + O2 → 2H2O	B) Na + Cl → NaCl
C) HA + BOH → H2O + BA	D) NaCl + AgNO3 → NaNO3 + AgCl

Answer & Explanation Answer: B) Na + Cl → NaCl

Explanation:

When two or more chemical species combine to form a single product, the reaction is said to be synthesis reaction. It is also called as Direct Combination reaction.

Here in the given options, Sodium (Na) combines with Chlorine (Cl) to form a more complex single product Sodium Chloride (NaCl).

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Q:

In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required.

Monu and Sonu attempted to make light their difficulties, but it was obvious that things were going badly for them.

i attempted to make their difficulties light

ii has attempted to make light their difficulties

iii attempted to make light of their difficulties

A) Only I	B) Only ii
C) Only iii	D) Both ii and iii

Answer & Explanation Answer: C) Only iii

Explanation:

The correct option is 3 because the correct phrase that should be used here is ‘make light of their difficulties.’ It means ‘trying to treat something as though it is not serious or important, when it in fact is.

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Filed Under: English

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Q:

Which best describes a gene?

A) a segment of chromosomal DNA	B) tightly coiled strands of DNA
C) different allele forms of a trait	D) None of the above

Answer & Explanation Answer: A) a segment of chromosomal DNA

Explanation:

Gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism.

In short it is a piece or segment of chromosome.

Genes undergo mutation when their DNA sequence changes.

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Q:

Limbs of frog, lizard, bird and human are example of ______ organs.

A) Homogenous	B) Heterogeneous
C) Analogous	D) Homologous

Answer & Explanation Answer: D) Homologous

Explanation:

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Filed Under: Biology

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Q:

From where do most producers get energy?

A) plants	B) sun
C) water	D) All of the above

Answer & Explanation Answer: B) sun

Explanation:

Most producers use sun light for making their energy in the process of photosynthesis. The energy they prepared is sugar and glucose.

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Q:

CM is about managing the different items in the product, and changes in them.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

Configuration Management is a support for software in managing the different items in the product, and changes in them.

Workspace

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Subject: Software Testing
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Q:

Tarsands containing large molecular hydrocarbons like crude oil are found in limited quantities in several parts of the world but the most important known occurrence is in:

A) U.S.A	B) Canada
C) Australia	D) Russia

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