Questions

Q:

Physical data models describe the details of how data is stored in the computers

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

Explanation:

They describe the details of how data is stored in the computers

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Subject: Database
Job Role: Database Administration

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Q:

Select the correct statement contrasting gametophytes and sporophytes.

A) Sporophytes are diploid, whereas gametophytes are haploid. B) Sporophytes are vascular, whereas gametophytes are nonvascular.
C) Sporophytes are larger than gametophytes. D) All of the above
 
Answer & Explanation Answer: A) Sporophytes are diploid, whereas gametophytes are haploid.

Explanation:

Sexual reproduction results in gametes that combine two cells from different individuals. Meiosis also produces gametes. Haploids contain one set of chromosomes in each of their cells. Diploids cells contain two chromosome sets. For plants, haploid and diploid cells divide via mitosis. The plants’ haploid phase is called the gametophyte, and the diploid phase is called the sporophyte.

 

Sporophytes are diploid plants that use meiosis to produce spores. These spores are haploid cells that grow into haploid gametophytes. Megaspores grow into female gametophytes, and microspores grow into male gametophytes.

 

Gametophytes are haploid plants that use mitosis to make haploid gametes. These gametes are female in the form of an ovum (egg) or male in the form of sperm.

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Filed Under: Biology
Exam Prep: AIEEE

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Q:

Calcium absorption is facilitated by the presence of

A) Vitamin D B) Vitamin C
C) Vitamin A D) Vitamin K
 
Answer & Explanation Answer: A) Vitamin D

Explanation:

The presence of vitamin D in the body enhances the absorption of calcium by the intestine.

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Filed Under: General Science
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Q:

Energy stored in the nucleus of an atom is called

A) Nuclear energy B) Atomic energy
C) Potential energy D) Kinetic energy
 
Answer & Explanation Answer: A) Nuclear energy

Explanation:
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Filed Under: Physics
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Q:

Who among the following noble prize winners experimented his first experiment in Secunderababd ?

A) Ronald Ross B) Robert Coach
C) Alexander Fleming D) Hans Adolf Jets
 
Answer & Explanation Answer: A) Ronald Ross

Explanation:
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Filed Under: General Awareness

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Q:

Foods that allow micro organisms to grow are called Parasites.

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

Explanation:

No, the given statement is False.


Parasites are organisms that feed on other organisms causing harm to them.


Foods that allow micro organisms to grow are called Growth Mediums.

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Subject: Biology
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Q:

Settled agriculture was first seen in China around

A) 6000 BC B) 8000 BC
C) 3000 BC D) 15000 BC
 
Answer & Explanation Answer: A) 6000 BC

Explanation:

Settled agriculture was first seen in China around 6000 BC. The crops grown at this time were rice and millet.

Beginning in about 618 BC with classical millet agriculture, China's development of farming over the course of its history has played a key role in supporting the growth of what is now the largest population in the world.

 

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Filed Under: World Geography
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Q:

Which non metal is liquid at room temperature?

A) Mercury B) Caesium
C) Bromine D) Rubidium
 
Answer & Explanation Answer: C) Bromine

Explanation:

Mercury and Bromine both will be in liquid state at room temperature. But mercury is metal. Hence, bromine is the only non metal which is in liquid state at room temperature.

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Filed Under: Chemistry
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