Questions

Q:

Select the correct statement about the Evolution of Animals.

A) The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old. B) No animal fossils are found in strata formed before the Cambrian explosion.
C) Approximately half the phyla of living organisms are found in Cambrian sediments. D) All the above
 
Answer & Explanation Answer: A) The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.

Explanation:

The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.

Report Error

View Answer Report Error Discuss

Filed Under: Animals and Birds
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO

17 3629
Q:

Nucleus of Hydrogen atom consists of

A) 2 protons only B) 2 neutrons only
C) 1 proton only D) 1 electron only
 
Answer & Explanation Answer: C) 1 proton only

Explanation:

The nucleus of hydrogen consists of only a single proton.

Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom.

The electron is bound to the nucleus by the Coulomb force.

Report Error

View Answer Report Error Discuss

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

4 3626
Q:

The rate of heartbeat is accelerated by the harmone

A) adrenaline B) acetylcholine
C) thyroxine D) pituitrin
 
Answer & Explanation Answer: A) adrenaline

Explanation:

The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

10 3626
Q:

Answer the Following Puzzle.

Number Puzzles Questions and Answers

A) 16 B) 13
C) 97 D) 56
 
Answer & Explanation Answer: B) 13

Explanation:

In each circle, starting at the  top left segment ,numbers increase, as you move clockwise,by 2 for the upper left circle,3 for the upper right, 4 for the lower right and 5 for the lower left

Report Error

View Answer Report Error Discuss

Filed Under: Number Puzzles

8 3625
Q:

What cannot be performed from the windows task manager?

A) Open a program B) Check recent CPU usage
C) Delete a program from the hard drive D) View what applications are running in the background
 
Answer & Explanation Answer: C) Delete a program from the hard drive

Explanation:

The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.

 


Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

 

Report Error

View Answer Report Error Discuss

6 3622
Q:

Which is the second most abundant metal in the earth's crust

A) Iron B) Aluminum
C) Copper D) Zinc
 
Answer & Explanation Answer: B) Aluminum

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: World Geography

1 3621
Q:

Niagara Falls are in

A) Australia B) South Africa
C) U.S.A D) U.K.
 
Answer & Explanation Answer: C) U.S.A

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Famous Places

5 3620
Q:

How do you display current date and time in MS Excel ?

A) Time () B) Now ()
C) Date () D) Today ()
 
Answer & Explanation Answer: B) Now ()

Explanation:

To display current date and time in MS Excel, we use Now() method. 

Report Error

View Answer Report Error Discuss

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

15 3620