Biology Questions

Q:

Companion cells are unique to

A) Bryophytes B)  Pteridophytes
C) Angiosperms D)  Gymnosperms
 
Answer & Explanation Answer: C) Angiosperms

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

0 1975
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 1971
Q:

The members of phaeophyceae are commonly called _________ algae.

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

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Filed Under: Biology
Exam Prep: Bank Exams

1 1971
Q:

The members of chlorophyceae are commonly called _________ algae.

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

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Filed Under: Biology
Exam Prep: Bank Exams

1 1971
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

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Filed Under: Biology
Exam Prep: Bank Exams

2 1970
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 1968
Q:

Which of the following is not a characteristic of Pisces?

A) Exoskeleton of scales B) Breathing through gills
C) Endoskeleton of bone/cartilage D) Presence of pseudocoelom
 
Answer & Explanation Answer: D) Presence of pseudocoelom

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Filed Under: Biology
Exam Prep: Bank Exams , AIEEE

1 1968
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

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Filed Under: Biology
Exam Prep: Bank Exams

1 1968