Q:

Which of the following defines a genome?

A) Every human cell	B) the complete set of an organism's genes and other DNA sequences
C) the complete set of an organism's polypeptides	D) a karyotype

Answer & Explanation Answer: B) the complete set of an organism's genes and other DNA sequences

Explanation:

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Q:

Which of the following is a feature of ghrelin?

A) It stimulates appetite and energy storage	B) It is released in high amounts from adipocytes during periods of excess energy intake
C) The blood level in the fasting state correlates directly with body weight	D) It is a metabolic antagonist of leptin

Answer & Explanation Answer: A) It stimulates appetite and energy storage

Explanation:

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Q:

The passage of an electric current through a conducting liquid causes ___________.

A) Galvanisation	B) Evaporation
C) Physical Reaction	D) Chemical Reaction

Answer & Explanation Answer: D) Chemical Reaction

Explanation:

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Q:

In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells

A) there is breakdown of these regulatory mechanisms leading to formation of benign and malignant tumors	B) controlled cell divisionand over-production of genetic material occur
C) RNA is mutated and produced in less amount	D) DNA is mutated and produced in less amount

Answer & Explanation Answer: A) there is breakdown of these regulatory mechanisms leading to formation of benign and malignant tumors

Explanation:

In cancer cells, there is breakdown of these regulatory mechanisms. Normal cells show a property called contact inhibition by virtue of which contact with other cells inhibits their uncontrolled growth. Cancer cells appears to have lost this property. As a result of this, cancerous cells just continue to divide giving rise to masses of cells called tumors. Tumors are of two types: benign and malignant.

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Q:

What is the Busiest Metro Network in the world?

Answer

The Moscow Metro in Russia carries 8-9 million passengers each day. By comparison, the New york City Subway, USA carries 4.5 million people each day and the London underground , UK, carries just over 3 million.

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Q:

Which is the world's most valuable company?

A) Apple	B) Amazon
C) Microsoft	D) Google

Answer & Explanation Answer: A) Apple

Explanation:

The world's most valuable company is Apple followed by Amazon and Microsoft.

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Q:

'Agronomy' is the practice of raising ______________

A) Plants and Animals	B) Crop plants
C) Agriculture	D) Fruit plants only

Answer & Explanation Answer: A) Plants and Animals

Explanation:

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Q:

In Paramecium, the food is moved to a specific spot by the movement of ______ which cover the entire surface of the cell.

A) cilia	B) villi
C) pseudopodia	D) vacuole

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