Exams


Q:

Which half reaction correctly represents reduction?

A) Fe2+ + e- ---> Fe3+ B) Au3+ + 3e– ---> Au
C) Ag ---> Ag+ + e- D) All of the above
 
Answer & Explanation Answer: B) Au3+ + 3e– ---> Au

Explanation:

A half reaction is either the oxidation or reduction reaction component of a redox reaction. A half reaction is obtained by considering the change in oxidation states of individual substances involved in the redox reaction.

Report Error

View Answer Report Error Discuss

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

0 4041
Q:

Which forests are called "Lungs of the Earth"?

A) Tongass B) Congo
C) Nile D) Amazon
 
Answer & Explanation Answer: D) Amazon

Explanation:

The world’s largest tropical rainforest Amazon rain forests are called "Lungs of the Earth". It is so called because it produces 20% of the Earth's oxygen, and is also a vast carbon sink, absorbs more than 1 billion tons of atmospheric carbon which is emitted by the burning of fossil fuels annually.

Report Error

View Answer Report Error Discuss

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

9 4041
Q:

Compressions and Rarefactions are characteristic of

A) Longitudinal waves B) Transverse waves
C) Both A & B D) Neither of A & B
 
Answer & Explanation Answer: A) Longitudinal waves

Explanation:

Compressions and Rarefactions are characteristic of Longitudinal waves.

The direction of vibration of the particles is in the same plane as in which the wave is propagating. The particles vibrate back and forth, about their mean positions.

Report Error

View Answer Report Error Discuss

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

2 4039
Q:

The series of differences between consecutive prime numbers is represented as Cp1, Cp2, Cp3, .... Cpn , Whare Cp1 is the difference between the second and the first prime number. Find the sum of series when n = 23, given that the 23rd prime number is 83 ? 

A) 87 B) 81
C) 83 D) 85
 
Answer & Explanation Answer: A) 87

Explanation:

Cp1 = p2 - p1 ,
Cp2 = p3 - p2
..
..
..
Cp23 = p24 - p23
Sum of series = (p2-p1) + (p3-p2) + .....(p23-p22) + (p24-p23)
All terms get cancelled, except p1 = 2 and p24 = 89
So Sum = -p1 + p24
Sum of series = -2 + 89 = 87

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

4 4038
Q:

Study of fishes is called

A) Amphiology B) Phylumology
C) Zoology D) Ichthyology
 
Answer & Explanation Answer: D) Ichthyology

Explanation:

Ichthyology is the branch of biology devoted to the study of fish.

 

It is also known as Fish science which includes bony fishes (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha).

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

7 4037
Q:

Foam brightens like the dogwood now is an example of

A) a metaphor B) consonance
C) a simile D) alliteration
 
Answer & Explanation Answer: C) a simile

Explanation:

A simile is a figure of speech in which two different things are compared using like or as words.

 

Here in the given sentence, Foam brightens like the dogwood foam's brightness is compared to dogwood. Hence, it is a simile.

Report Error

View Answer Report Error Discuss

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

8 4037
Q:

How are ip addresses available to the internet classified?

A) Static B) Public
C) Private D) None of the above
 
Answer & Explanation Answer: B) Public

Explanation:

An IP address (internet protocol address) is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are 32-bits long. This allows for a maximum of 4,294,967,296 (2^32) unique addresses. Addresses in IPv6 are 128-bits, which allows for 3.4 x 1038 (2^128) unique addresses.

 

IP addresses available to the internet are classified as Public.

Report Error

View Answer Report Error Discuss

2 4036
Q:

Read the given question and decide which of the following arguments is / are strong.

 

Question : Are the best things in life free?

Argument 1: Life gives us so many opportunities for free and yet most of us waste it.

Argument 2: Smile, friends, family, good talk, good sleep and happy memories are all free.

 

A) Only argument 2 is strong B) Both arguments 1 and 2 are strong
C) Neither argument 1 nor 2 is strong D) Only argument 1 is strong
 
Answer & Explanation Answer: B) Both arguments 1 and 2 are strong

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Statement and Arguments
Exam Prep: Bank Exams

0 4036