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 Biology Questions

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Q:

What are the three main parts of a Eukaryotic cell?

Answer

Eukaryotic cells are found in plants, animals and unicellular organisms.


 


The three main part of Eukaryotic cells are


1. Plasma membrane or membrane-bound organelles which carries out the cell functions.


2. Nucleus which contains the cell's DNA (and)


3. Cytoplasm which is a jelly like fluid interior of the cell.

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Subject: Biology Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO

4 1982
Q:

Which cell disorder in our body is responsible for colour blindness?

A) WBC B) Cone cell
C) Rod Cell D) Neuron
 
Answer & Explanation Answer: B) Cone cell

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

1 1981
Q:

The members of phaeophyceae are commonly called _________ algae.

A) Green B) Brown
C) Red D) Yellow
 
Answer & Explanation Answer: B) Brown

Explanation:
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Filed Under: Biology
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1 1979
Q:

REM behavior disorder results from

A) sleep B) walking
C) watching D) All of the above
 
Answer & Explanation Answer: A) sleep

Explanation:

REM (Rapid Eye Movement) Sleep Disorder results from the sleep. Too much alcohol consumption too near to the bed time cause this.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 1975
Q:

Cells use active transport proteins to

Answer

Cells use active transport proteins to create a concentration gradient across a cell membrane.

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Subject: Biology Exam Prep: AIEEE
Job Role: Analyst

4 1975
Q:

In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called ____________.

A) Xylem fibres B) Xylem parenchyma
C) Exarch D) Endarch
 
Answer & Explanation Answer: C) Exarch

Explanation:
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Filed Under: Biology
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2 1974
Q:

The members of chlorophyceae are commonly called _________ algae.

A) Green B) Brown
C) Red D) Yellow
 
Answer & Explanation Answer: A) Green

Explanation:
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Filed Under: Biology
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1 1974
Q:

Lysogeny can result in all of the following except

A) Acquisition of new characteristics by the host cell B) Transduction of specific genes
C) Immunity to reinfection by the same phage. D) Immunity to reinfection by any phage
 
Answer & Explanation Answer: D) Immunity to reinfection by any phage

Explanation:

Lysogeny can result in all of the following except Immunity to reinfection by any phage. Lysogeny means phage DNA is incorporated in Host cell DNA. 

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

2 1970