Q:

The Black Box is a device used in an aircraft to

A) control the speed	B) detect any flaw in the engines
C) Record the flight data	D) maintain contact with the ground

Answer & Explanation Answer: C) Record the flight data

Explanation:

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Filed Under: General Awareness

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Q:

In electro - magnetic radiation, which of the following has greater wave - length than visible light

A) Ultra -violet rays	B) Infra - red rays
C) Cosmic rays	D) x-rays

Answer & Explanation Answer: B) Infra - red rays

Explanation:

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Filed Under: Biology

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Q:

Which of the following harmone is called the emergency harmone ?

A) Insulin	B) Adrenaline
C) Estrogen	D) Oxytocin

Answer & Explanation Answer: B) Adrenaline

Explanation:

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Filed Under: Biology

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Q:

Which of the following equations represents Photosynthesis?

A) 6CO2 + 6H2O -----> C6H12O6 + 6O2	B) C6H12O6 + 6O2 -----> CO2 + 6H2O
C) CO2 + H2O -----> C6H12O6 + 6O2	D) 6O2 + 6H2O -----> C6H12O6 + 6CO2

Answer & Explanation Answer: A) 6CO2 + 6H2O -----> C6H12O6 + 6O2

Explanation:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities.

Photosynthesis can be represented using a chemical equation.

The overall balanced equation is

$6 {CO}_{2} + 6 H_{2} O \overset{Sunlight}{\to} C_{6} H_{12} O_{6} + 6 O_{2} (S o u r c e o f C a r b o n & O x y g e n) + (S o u r c e o f E l e c t r o n s & H y d r o g e n) + E n e r g y t h a t d r i v e s P h o t o s y n t h e s i s - - - - > S u g a r + G a s p r o d u c e d b y s p l i t t i n g w a t e r .$

Where

CO2 = carbon dioxide

H2O = water

C6H12O6 = glucose

O2 = oxygen.

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Filed Under: Chemistry
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Q:

What is a product in a chemical reaction?

Answer

In chemistry, a product is a substance that is formed as the result of a chemical reaction. In a reaction, starting materials called reactants and the ending materials are called products.

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Q:

When more than 20% of the body weight is due to fat, the person is suffering from

A) Marasmus	B) Kwashiorkor
C) Scurvy	D) Obesity

Answer & Explanation Answer: D) Obesity

Explanation:

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Filed Under: Biology

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Q:

What is the opposite of opposite?

A) Identical	B) Not alike
C) Not same	D) Contrast

Answer & Explanation Answer: A) Identical

Explanation:

Opposite means not identical, not same, not alike, contrast...

Here in the question, the opposite of the word opposite is asked and is opposite of not same , not identical or not alike is same, like, identical,...

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Filed Under: English
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Q:

How long does a basketball game last?

A) 35 min	B) 55 min
C) 1 hr 15 min	D) 48 min

Answer & Explanation Answer: D) 48 min

Explanation:

A basketball game last for a total of 48 minutes which has 4 quarters of 12 minutes each excluding all timeouts, 15 min half time, fouls,...

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Filed Under: Sports
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