Questions

Q:

The Great Barrier Reef is located in which country? 

A) Australia B) China
C) Taiwan D) South Africa
 
Answer & Explanation Answer: A) Australia

Explanation:
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Q:

What is the percentage of India's population to the world population

A) 6% B) 26%
C) 16% D) 36%
 
Answer & Explanation Answer: C) 16%

Explanation:
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Q:

Human body main organ of balance is located in

A) Brain B) Eyes
C) Ears D) Nose
 
Answer & Explanation Answer: C) Ears

Explanation:

Labyrinth which is part of the ear is the main organ of balance in the human body.

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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.


Dyslexia is a perceptual disorder often occurring in persons of normal, or even above average intelligence. The reader is unable to perceive correctly what is on a page. Letters and numbers often appear reversed: "b" seems to be "d","quite" is "quiet" and "from" is "form". The reader tends to leave out letters or words or insert words or letters that are not there. Vowel and consonant sounds may be confused. Many dyslexics are left­handed or able to write with either hand. They often confuse left and right. Learning to speak may also be delayed beyond infancy. The condition seems to be inherited. It may persist into adulthood. However, with early recognition and specialized approaches to teaching reading, most dyslexics can learn to read.

Some researchers believe that latent dyslexia may be aggravated by the way reading is taught. The modern whole­word, or look­and­say, method seems to be more of a hindrance to learning for dyslexics than it is for ordinary pupils. The phonetic method of teaching students to learn letters and sound them out appears to achieve better reading results. The problem of words that cannot be sounded out ­ such as rough, laugh or through ­ is not solved by phonetics. These words must simply be memorized. However, for children with dyslexia the problem can be compounded by the failure of parents or teachers to recognize the condition. This can easily lead to emotional problems for dyslexic children, who cannot understand their failure to keep up with their classmates.


The problem of perception can be compounded by the failure of parents and teachers to

A) provide treatment B) recognize the condition
C) correct the child at infancy D) understand the child
 
Answer & Explanation Answer: B) recognize the condition

Explanation:
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Q:

three_resistors_are_arranged_in_a_circuit_as_shown_above1559105724.PNG image

Three resistors are arranged in a circuit as shown above. The battery has an unknown but constant emf ε and a negligible internal resistance.

Now, determine the equivalent resistance of the three resistors.

A) 12 Ω B) 10 Ω
C) 16 Ω D) 15 Ω
 
Answer & Explanation Answer: A) 12 Ω

Explanation:

From the given circuit,

three_resistors_are_arranged_in_a_circuit_as_shown_above1559105964.PNG image

The resistors R1 and R2 are in parallel connection and R3 is in series with R1 & R2

The equivalent resistance of R1 and R2 is

Req = (12 × 4)/(12 + 4) = 3 Ω.

Adding R3 in series with the pair gives

R = Req + 9

R = 3 + 9

R = 12 Ω.

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Q:

A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is:

A) 150 J B) 100 J
C) 50 J D) 75 J
 
Answer & Explanation Answer: A) 150 J

Explanation:
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Filed Under: Physics
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Q:

In a spreadsheet program how is data organized?

A) Rows and columns B) Layers and planes
C) Lines and spaces D) All of the above
 
Answer & Explanation Answer: A) Rows and columns

Explanation:
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Q:

What are the end products of cellular respiration?

A) ATP, Glucose B) Glucose, Oxygen
C) Oxygen, Water D) ATP, Water
 
Answer & Explanation Answer: D) ATP, Water

Explanation:

Cellular respiration is the three-step process by which cells make ATP using glucose and oxygen.

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP, waste products include carbon dioxide and water.

 

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Filed Under: Chemistry
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