Questions

Q:

Which type of bond is found in sodium bromide?

A) Ionic B) Covalent
C) Polar covalent D) None of the above
 
Answer & Explanation Answer: A) Ionic

Explanation:
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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

We set out for the gallows. Two warders marched on either side of the prisoner, with their rifles at the slope; two others marched close against him, gripping him by his arm and shoulder, as though, at once pushing and supporting him. The rest of us, magistrates and the like, followed behind. Suddenly, when we had gone ten yards, the procession stopped short without any order or warning. A dreadful thing had happened ­ a dog, come goodness knows whence, had appeared in the yard. It came bounding among us with a loud volley of barks, and leapt round us wagging its whole body, wild with glee at finding so many human beings together. It was a large woolly dog, half Airedale, half Pariah. For a moment, it pranced round us, and then, before anyone could stop it, it had made a dash for the prisoner, and jumping up tried to lick his face. Everyone stood aghast, too taken aback even to grab at the dog.

What was the emotion displayed by the dog?

A) Fear B) Joy
C) Anger D) Alarm
 
Answer & Explanation Answer: B) Joy

Explanation:
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Q:

Name the two main types of Fermentation?

Answer

Fermentation is the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.


 


The two most common types of fermentation are


(1) alcoholic fermentation (and) 


(2) lactic acid fermentation.


 


(1) Alcoholic fermentation : the type of fermentation in which ethyl alcohol is the main end product .This is very common in yeast (unicellular fungus) and also seen in some bacteria. Yeast cells release enzymes called zymase complex which bring about the fermentation. The reactions are similar to anaerobic respiration.


 


(2) Lactic acid fermentation : The type of fermentation in which lactic acid is the end product.


It is carried out by some bacteria (e.g. lactic acid bacteria), and also by animals (muscle glycolysis in animals, under oxygen deficiency, results in the formation of lactic acid this is whay we experience in muscle cramps, or "Charley horse").

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Q:

Which state has become the first state to deploy specially-trained dogs to check smuggling of liquor?

A) Bihar B) Uttar Pradesh
C) Telangana D) Maharashtra
 
Answer & Explanation Answer: A) Bihar

Explanation:
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Q:

Select the related letters from the given alternatives.

HIJ : OPQ :: STU : ?

A) BCD B) ZAB
C) XYZ D) CBA
 
Answer & Explanation Answer: B) ZAB

Explanation:
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Q:

Metastasis is the process by which _________

A) Cell divide rapidly under the influence of drugs B) Cancer cell spread through the blood or lymphatic system to other site or organs
C) The Chromosome in cell nuclei are attached to the soindle before moving to the anaphase poles D) Cancer cells are successfully inhibited to divide any further
 
Answer & Explanation Answer: B) Cancer cell spread through the blood or lymphatic system to other site or organs

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Q:

Which of the following is present in a prokaryotic cell?

A) Ribosomes B) Chloroplast
C) Mitochondria D) None
 
Answer & Explanation Answer: A) Ribosomes

Explanation:

Ribosomes are present in prokaryotic cells. These are organelles which consist of two subunits. They are present in both Eukaryotic and Prokaryotic cells. They are made up of RNA and proteins and present in the cytoplasm and on the membranes and are involved in protein synthesis.

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Q:

Increasing the Alveolar ventilation rate will

A) Increase the rate of carbon dioxide diffusion from the blood to the alveoli B) Decrease the partial pressure of oxygen in the alveoli
C) Increase the partial pressure of carbon dioxide in the alveoli D) Have no effect on either partial pressure or diffusion rate of gases
 
Answer & Explanation Answer: A) Increase the rate of carbon dioxide diffusion from the blood to the alveoli

Explanation:

Increasing the Alveolar ventilation rate will increase the rate of carbon dioxide diffusion from the blood to the alveoli.

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