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Q:

Where is excess glucose stored?

A) Blood	B) Liver
C) Heart	D) Kidneys

Answer & Explanation Answer: B) Liver

Explanation:

Glucose is essential for energy in all the living organisms. When we have more glucose than needs in our bloodstream, then the excess glucose is stored as large compounds as Glycogen. This glycogen fills the cells of the liver and available for any quick shots of energy.

Hence, Liver is called as warehouse for the excess glucose.

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Filed Under: Biology
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Q:

Find the odd man out of the series?

128, 32, 14, 2.66, 0.88

A) 32	B) 14
C) 2.66	D) 0.88

Answer & Explanation Answer: B) 14

Explanation:

Here the given series is 128, 32, 14, 2.66, 0.88

128 / 4 = 32

32 / 3 = 10.666

10.666 / 4 = 2.666

2.666 / 3 = 0.888

Hence, the odd man in the given number series is 14.

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Q:

Find the next number in the given sequence?

11, 17, 39, 85, ?

A) 133	B) 143
C) 153	D) 163

Answer & Explanation Answer: D) 163

Explanation:

Her the given number series is 11, 17, 39, 85, ?

$11 11 + (3^{2} - 3) = 17 17 + (5^{2} - 3) = 39 39 + (7^{2} - 3) = 85 85 + (9^{2} - 3) = 163$

Hence, the next number in the given sequence is 163.

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Q:

Karthik is now 32 years old and his son is 7 years old. In how many years will Karthik be twice as old as the son?

A) 18	B) 25
C) 7	D) 15

Answer & Explanation Answer: A) 18

Explanation:

Given Karthik’s age = 32 years

Karthik’s son age = 7 years

Difference between their ages = K - S = 32 - 7 = 25 years ….(1)

Now, required K = 2S ……(2)

Put (2) in (1)

2S - S = 25

=> S = 25 years

Hence, at the age of 25 years of Karthik’s son, Karthik will be twice as his son’s age.

25 - 7 = 18 years

Therefore, after 18 years the father be twice as old as the son.

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Filed Under: Problems on Ages
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Q:

A card is drawn from a pack of 52 cards. What is the probability that either card is black or a king?

A) 15/52	B) 17/26
C) 13/17	D) 15/26

Answer & Explanation Answer: D) 15/26

Explanation:

Number of cards in a pack of cards = 52

Number of black cards = 26

Number of king cards = 4 (2 Red, 2 Black)

Required, the probability that if a card is drawn either card is black or a king =

$\frac{26}{52} + \frac{4}{52} = \frac{30}{52} = \frac{15}{26}$

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Q:

What is the role of NADP+ in photosynthesis?

Answer

NADP - Nicotinamide Adenine Dinucleotide Phosphate is one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules.

NADP+ is the molecule that accepts the electrons given by water. Its reduction by the protein FNR (Ferredoxin NADP+ reductase) gives NADPH,H+.

NADPH,H+ can be used in the Calvin Cycle to reduce 1,3-Biphosphoglycerate (1,3-BPG) into Glyceraldehyde-3-phosphate (G3P), a monosaccharide. It becomes NADP+ again and the cycle keeps repeating as long as the chloroplast receives sufficient and appropriate light.

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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.

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Filed Under: Chemistry
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Q:

Which of the following definitions describes a chemical hazard?

A) Microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness	B) These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks
C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job	D) The most commonly thought of hazards for construction

Answer & Explanation Answer: C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job

Explanation:

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Filed Under: Chemistry
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