Questions

Q:

Which of the following is used to preserve specimens in the biology laboratory?

A) Phenol B) Benzaldehyde
C) Formaldehyde D) Acetic acid
 
Answer & Explanation Answer: C) Formaldehyde

Explanation:

A 40% solution of Formaldehyde known as Formalin is used in the preservation of biological specimens because of its hardening action on proteins. 

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Filed Under: Chemistry

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Q:

Dogs are herbivores. True or false

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

Yes, Dogs are not Herbivores. They are omnivores as they eat both plants and meat.


 


Hence, the given statement that Dogs are herbivores is FALSE.

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Subject: Animals and Birds
Exam Prep: AIEEE , Bank Exams
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Q:

Whose trademark is the operating system unix?

A) Ashton Tate B) Microsoft
C) INTEL D) BELL Laboratories
 
Answer & Explanation Answer: D) BELL Laboratories

Explanation:

BELL Laboratories trademark is the operating system unix.

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Filed Under: Computer
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Q:

Who is the author of the book A Journey ?

A) Tony Blair B) Bikram seth
C) Janardhan takur D) harisen
 
Answer & Explanation Answer: A) Tony Blair

Explanation:

Author of the book A journey  is Tony Blair

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Filed Under: Books and Authors

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Q:

Who is the author of the book 'Chronicles of Corpse Bearer' ?

A) Victor Hugo B) John Milton
C) Cyrus Mistry D) None of the above
 
Answer & Explanation Answer: C) Cyrus Mistry

Explanation:
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Filed Under: Books and Authors

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Q:

You are scheduled to leave at 6 pm. Your replacement worker doesn't show up. What would you do?

Answer

If he was unable to make his shift, I would find a replacement, and stay until the replacement came in.

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Q:

Indian-American girl won 2017 Young Scientist Challenge for water contamination detection device. What is her name ?

A) Kavita Kumari B) Gitanjali Rao
C) Hetal Rao D) Savita Sharma
 
Answer & Explanation Answer: B) Gitanjali Rao

Explanation:

Gitanjali Rao, an 11-year-old Indian-American schoolgirl, was named as "America’s top young scientist" for inventing a cost-effective, quick lead-contamination detector in water. The seventh-grade student was inspired by the large-scale lead contamination in water in Flint, Michigan, that came to light recently.

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Filed Under: Famous Personalities
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Q:

What is the chemical name for vitamin A?

A) Retinol B) Riboflavin
C) Thiamine D) Niacin
 
Answer & Explanation Answer: A) Retinol

Explanation:

Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids.

IUPAC Name :: (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol

 

Vitamin Name - Chemical Name

Vitamin A   -     Retinol

Vitamin B1  -    Thiamine

Vitamin B2  -    Riboflavin

Vitamin B3  -    Niacin

Vitamin B5  -    Pantothenic acid

Vitamin B6  -    Pyridoxin

Vitamin B7  -    Biotin

Vitamin B9  -    Folic acid

Vitamin B12  -   Cyanocobalamin

Vitamin C     -   Ascorbic acid

Vitamin D     -   Calciferol

Vitamin E      -   Tocoferol

Vitamin K      -   Phylloquinone and Menaquinones

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Filed Under: General Science
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