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Q:

In which of the following animals is respiration done by skin?

A) Flying fish B) Sea horse
C) Frog D) Chemeleon
 
Answer & Explanation Answer: C) Frog

Explanation:
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Filed Under: Animals and Birds

Q:

In which of the following kinds of organism is the phenomenon found wherein the female kills the male after copulation

A) Dragonfly B) Honeybee
C) Spider D) Pit viper
 
Answer & Explanation Answer: B) Honeybee

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Filed Under: Animals and Birds

Q:

For which one of the following snakes is the deit mainly composed of other snakes?

A) Krait B) Russel's viper
C) Rattlesnake D) King cobra
 
Answer & Explanation Answer: D) King cobra

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Filed Under: Animals and Birds

Q:

Among the following animals , the figures of which are found in the state emblem of india?

A) Bull, deer and eagle B) Deer and elephant
C) Elephant, Tiger and Bull D) Horse and Bull
 
Answer & Explanation Answer: D) Horse and Bull

Explanation:

Refer National symbols

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Filed Under: Animals and Birds

Q:

A contractor undertakes to do a piece of work in 40 days. He engages 100 men at the begining and 100 more  after 35 days and completes the work in stipulated time. If he had not  engaged  the additional men, how many days  behind schedule would it be finished?

A) 3 B) 5
C) 6 D) 9
 
Answer & Explanation Answer: B) 5

Explanation:

[(100 x 35) + (200 x 5)]men can finish the work in 1 day 

Therefore, 4500 men can finish the work in 1 day. 100 men can finish it in  4500/100= 45 days.

This is 5 days behind Schedule

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Filed Under: Chain Rule

Q:

Which one of the following types of laser is used in laser printers?

A) Semiconductor laser B) Dye laser
C) Gas laser D) Excimer laser
 
Answer & Explanation Answer: A) Semiconductor laser

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Filed Under: General Science

Q:

'Pencillin' which is used as an antibiotic is obtained from 

A) Bacteria B) Fungi
C) Algae D) Lichens
 
Answer & Explanation Answer: B) Fungi

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Filed Under: General Science

Q:

Special 3-D photographs which have been taken with laser beams (and which make the objects look real) are called what?

A) Holograms B) 3D special effects
C) Portraits D) DVD
 
Answer & Explanation Answer: A) Holograms

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Filed Under: General Science