Questions

Q:

Plant cell walls consist mainly of

A) Chitin B) peptidoglycan
C) cellulose D) chlorophyll
 
Answer & Explanation Answer: C) cellulose

Explanation:

Plant cell walls are mostly made up of the molecule cellulose. Cellulose is a polysaccharide, a complex sugar made of long chains of glucose.

 

The cell wall must be made of thick and strong material as it provides the structural shape of the plant and protection from insects and microorganisms.

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Q:

Rayon is chemically

A) Glucose B) Amylase
C) Cellulose D) Pectin
 
Answer & Explanation Answer: C) Cellulose

Explanation:

Rayon is a versatile fiber. Rayon is chemically Cellulose. It is widely claimed to have the same comfort properties as natural fibers, although the drape and slipperiness of rayon textiles are often more like nylon. It can imitate the feel and texture of silk, wool, cotton and linen. The fibers are easily dyed in a wide range of colors.

Rayon_is_chemically1561456278.jpg image

 

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Q:

The part of the Himalayas between Tista and Dihang rivers is known as _________ Himalayas.

A) Nepal B) Kashmir
C) Assam D) Jammu
 
Answer & Explanation Answer: C) Assam

Explanation:
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Q:

What help ensure that the XIV Systems cache does not become a bottleneck?

A) central cache locking mechanism B) use of industry standard chip technology
C) each module is responsible for caching the data in that module D) having all modules understand what is held cache at all times
 
Answer & Explanation Answer: C) each module is responsible for caching the data in that module

Explanation:
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Q:

Who has been conferred the Ashoka Chakra for year 2019?

A) Syam Prasad B) Ahmed Sunani
C) Nazir Ahmad Wani D) Vishnu wagh
 
Answer & Explanation Answer: C) Nazir Ahmad Wani

Explanation:
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Q:

Which nutrient provides maximum energy?

A) Fats B) Carbohydrates
C) Proteins D) None of the above
 
Answer & Explanation Answer: A) Fats

Explanation:

The nutrient which provides the maximum energy is Fat. It provides the energy of 9 calories/gram.

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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.


Namita is from the state of Kerala. She has come to Dubai to serve as a governess for the only child of the Nairs. The Nairs are nice and gentle and Namita has no cause to complain. One day she overhears something that makes her jittery. Mr. Nair is not employed in an American company as she has been told. The nature of his business is illegal. She is shocked and wants to go back to her home town to her own people.

Gopal is from a very poor family. His family owns a very small piece of land that can hardly meet their food requirement. One day, Gopal gets a nice offer to work in the Emirates with a construction contractor. In order to meet the expenses on travelling, the family decides to sell their own land and send Gopal to the foreign country, to make money. On arrival, the contractor confiscates Gopal's passport and gives him a small place to live in with ten others like him. Gopal has little idea what he must do.


What does the phrase, 'makes her jittery' imply?

A) Sadness B) Anger
C) Trauma D) Anxiety
 
Answer & Explanation Answer: D) Anxiety

Explanation:
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Q:

What is a property of most metals?

A) Conductivity B) Malleability
C) Luster D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

We know that most of the metals are goof conductors of electricity and heat. Metals are very strong but they are malleable i.e, they can be bent into a shape. These are shiny when they are cut or polished. 

 

Hence, metals are malleable, conductors and luster. All the above are properties of the metals.

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