Questions

Q:

What is a Real-Time System?

Answer

A real time process is a process that must respond to the eventswithin a certain time period. A real time operating system is an operating system that can run realtime processes successfully.

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Q:

Which statement correctly describes the role of chance in evolution?

A) An allele that increases evolutionary fitness cannot be lost from a population by chance events. B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
C) Evolutionary change proceeds by an accumulation of changes that occur by chance. D) None of the above
 
Answer & Explanation Answer: B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA

Explanation:
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Filed Under: Biology
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Q:

A genus can best be defined as

A) a taxon composed of one or more species and a classification level lying below family B) a taxon composed of families
C) the most specific taxon D) a taxon comprised of classes
 
Answer & Explanation Answer: A) a taxon composed of one or more species and a classification level lying below family

Explanation:

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

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Q:

You can have me but cannot hold me; Gain me and quickly lose me. If treated with care I can be great, And if betrayed I will break.

What am I?

Answer

TRUST.

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Q:

Plants are photoautotrophs. What does this mean?

Answer

Photoautotrophs are those organisms that can make their own food using sun light with the help of the process of photosynthesis.


Plants can prepare their own food using sunlight. Hence they are Photoautotrophs.

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Q:

Capital of Belarus -

A) Praia B) Minsk
C) Cairo D) Vienna
 
Answer & Explanation Answer: B) Minsk

Explanation:

Belarus is a European country whose capital city is Minsk.

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Q:

Very small insoluble particles in a liquid may be separated from it by using

A) crystallization B) fractional distillation
C) centrifugation D) decantation
 
Answer & Explanation Answer: C) centrifugation

Explanation:

Sometimes the solid particles in a liquid are very small and can pass through a filter paper. For such particles, the filtration technique cannot be used for separation. Such mixtures are separated by centrifugation.

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Q:

The ratio of gross cropped area to the net sown area is called

A) cropping intensity B) intensity of crop rotation
C) crop productivity D) cropping diversity
 
Answer & Explanation Answer: A) cropping intensity

Explanation:
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