Q:

Which of the following occurred in the presence of tetrodotoxin?

A) The number of action potentials decreased.	B) The size of the action potential increased.
C) The number of action potentials increased.	D) The size of the action potential decreased.

Answer & Explanation Answer: A) The number of action potentials decreased.

Explanation:

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Filed Under: Biology
Exam Prep: AIEEE

6 5206

Q:

The Simple interest accrued on an amount of Rs. 2,500 at the end of six years is Rs.1875. What would be the simple interest accrued on an amount of Rs. 6875 at the same rate and Same period?

A) Rs. 4,556.5	B) Rs. 5,025.25
C) Rs.5,245.5	D) None of these

Answer & Explanation Answer: D) None of these

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

22 5205

Q:

Tides are primarily a result of the ____ ?

A) Attraction of the Moon	B) Farrel's law
C) Ocean Currents	D) Earth's pressure system

Answer & Explanation Answer: A) Attraction of the Moon

Explanation:

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

25 5203

Q:

Which of the following is Not an Operating System?

A) UNIX	B) Windows NT
C) C++	D) DOS

Answer & Explanation Answer: C) C++

Explanation:

C++ is not an Operating System.

An Operating System is a collection of system programs that manages all the other programs application programs in a computer as well as the allocation and use of hardware resources such as the CPU, Memory and the Hard Disk Drive.

It acts as an interface between the hardware and the user level program.

It controls and facilitates the overall operation of a computer.

Here

UNIX : UNIX is a popular multi-user, multitasking operating system (OS) developed at Bell Labs.

Windows NT : Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

DOS : DOS is Disk Operating System. The term DOS can refer to any operating system.

C++ : C++ is a programming language and computing platform.

Hence, C++ is not an Operating System.

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Filed Under: Operating Systems
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer , Network Engineer , Project Manager , Software Architect

7 5196

Q:

If an empty cylinder is half filled with a liquid, its center of gravity is

A) shifted upwards	B) shifted downwards
C) shifed neither upward nor downward	D) shifted upward or downward depending on the density of the liquid

Answer & Explanation Answer: B) shifted downwards

Explanation:

Effect of adding liquid is to make the cylinder more bottom heavy which is a more stable position

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Filed Under: Physics

28 5192

Q:

Trichloroacetaldehyde was subject to Cannizzaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :

A) Chloroform	B) 2, 2, 2-Trichloroethanol
C) Trichloromethanol	D) 2, 2, 2-Trichloropropanol

Answer & Explanation Answer: B) 2, 2, 2-Trichloroethanol

Explanation:

$\begin{matrix} C l \\ | \\ C l & - & C & - & C H O \\ | \\ C l \end{matrix}$ $\to_{C a n n i z z a r o' s R e a c t i o n}^{N a O H}$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C O O N a \\ | \\ C l \end{matrix}$ $+$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C H_{2} \\ | 2 & 1 \\ C l \end{matrix}$ $- O H$

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Filed Under: Chemistry
Exam Prep: AIEEE

7 5185

Q:

A Roman walks into a bar. He holds up two fingers and says 'five beers, please'.

How it is possible?

Answer

The shape of two fingers shown up will be in 'V' and it represents in Roman letters, a number 5.

he shape of two fingers shown up will be in V.jpg image

Workspace

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Subject: Logic Puzzles Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

14 5185

Q:

__________ networks are connected by telephones, underwater cables and satellites.

A) Typewriter	B) DVD
C) Computers	D) Washing Machine

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