Exams


Q:

Which statement describes decomposers?

A) Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems. B) Decomposers can produce their own source of energy and can sometimes act as primary producers.
C) Decomposers are those organisms that recycle matter in the ecosystem.. D) All the above
 
Answer & Explanation Answer: C) Decomposers are those organisms that recycle matter in the ecosystem..

Explanation:

Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.

 

The statement "Decomposers are those organisms that recycle matter in the ecosystem" describes decomposers.

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Filed Under: Biology
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Q:

Which of the following polysaccharides contains a modified monosaccharide?

A) starch B) chitin
C) glycogen D) cellulose
 
Answer & Explanation Answer: B) chitin

Explanation:

Many carbohydrates contain one or more modified monosaccharide units that have had one or more groups replaced or removed.

 

Chitin is one of many naturally occurring polymers. It is one of the most abundant natural materials in the world. Over time it is bio-degradable in the natural environment. Its breakdown may be catalyzed by enzymes called chitinases, secreted by microorganisms such as bacteria and fungi, and produced by some plants.

 

Chitin is composed of repeating units of N-acetylglucosamine, a nitrogen-containing form of glucose.

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Filed Under: Chemistry
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Q:

What are the three parts of the Nucleotide?

Answer

Nucleotides are the building blocks of the DNA and RNA used as genetic material. Nucleotides also are used for cell signaling and to transport energy throughout cells.


Both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are made up of nucleotides which consist of three parts::


1. Nitrogenous Base
2. Pentose Sugar
3. Phosphate Group.

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Subject: Biology Exam Prep: AIEEE , Bank Exams
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Q:

Where does protein synthesis take place in a cell?

A) Ribosomes B) Mitochondria
C) Cytoplasm D) Nucleus
 
Answer & Explanation Answer: A) Ribosomes

Explanation:

The protein synthesis take place in a cell outside the nucleus in the structures called ribosomes. Ribosomes link amino acids together in the order specified by messenger RNA molecules.

Where_does_protein_synthesis_take_place_in_a_cell1563603813.png image

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Filed Under: Biology
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Q:

The value of 1+22+23+24+...+29 is

A) 255 B) 511
C) 1021 D) 2047
 
Answer & Explanation Answer: C) 1021

Explanation:
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Filed Under: Numbers
Exam Prep: Bank Exams , CAT

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Q:

What is the main component of biogas and natural gas?

A) Carbon dioxide B) Butane
C) Hydrogen Sulphide D) Methane
 
Answer & Explanation Answer: D) Methane

Explanation:

Methane is the main component of biogas and natural gas.

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Filed Under: General Science
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Q:

Which one of the following cities was not included in the list of smart cities in India?

A) Silvassa B) Jorhat
C) Itanagar D) Kavaratti
 
Answer & Explanation Answer: B) Jorhat

Explanation:

Silvassa is in Dadra and Nagar Haveli.Kavarati is capital of Lakshadweep. Itanagar is capital of Arunachal PradeshThese three were originally included in smart city list.Assam government has sent a proposal for Jorhat to be included in smart city list. But it has not yet been included.

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Filed Under: Indian Geography
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Q:

Closely stacked flattened sacs (plants only)

A) Vacuoles B) Lysosomes
C) Golgi apparatus D) None of the above
 
Answer & Explanation Answer: C) Golgi apparatus

Explanation:
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Filed Under: Biology
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