Questions

Q:

Which one of the following elements cannot be detected by "Lassaigne's test"?

A) I B) Cl
C) S D) F
 
Answer & Explanation Answer: D) F

Explanation:

The sodium fusion test, or Lassaigne's test, is used in elemental analysis for the qualitative determination of the presence of foreign elements, namely halogens, nitrogen, and sulphur, in an organic compound. It was developed by J. L. Lassaigne.Silver fluoride is soluble in water and does not precipitate and thus this method cannot be used for detection of fluorine.

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Filed Under: Chemistry
Exam Prep: Bank Exams

2 3058
Q:

Which of the following tools can be used to identify inefficient SQL statements without executing them?

A) QMF B) Task Center
C) Visual Explain D) Development Center
 
Answer & Explanation Answer: C) Visual Explain

Explanation:
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Filed Under: IBM Certification

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Q:

Why is RNA necessary to act as a messenger?

Answer

Why_is_RNA_necessary_to_act_as_a_messenger1548936409.jpg image


RNA acts as a messenger in between the DNA and ribosome as it transforms the genetic information from the DNA and as DNA is big and can't fit into the nuclear pores. 

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Subject: Biology Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

1 3057
Q:

The primary agent of contact metamorphism is

A) Temperature B) Pressure
C) Weathering D) Flowing water
 
Answer & Explanation Answer: A) Temperature

Explanation:

The primary agent of contact metamorphism is heat or temperature.

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Filed Under: Physics
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Q:

What molecule makes the trunk of a tree sturdy?

A) Disaccharide B) Fructose
C) Cellulose D) Glucose
 
Answer & Explanation Answer: C) Cellulose

Explanation:

Cellulose is closely related to sugar and rated as a carbohydrate, which means that it is a compound of carbon, hydrogen and oxygen. The woody trunk of a tree is no more than dead cell walls.

tree1533617490.jpg image

Trunk of a tree refers to the main wooden axis of a tree that supports the branches and is supported by and directly attached to the roots. The molecule that makes it sturdy is cellulose.

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Filed Under: General Science
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Q:

CFS Scheme means

A) Concessional Financing Scheme B) Controversial Fylum Scheme
C) Country Federation Scheme D) None of the above
 
Answer & Explanation Answer: A) Concessional Financing Scheme

Explanation:

CFS Scheme means Concessional Financing Scheme. 

Under the CFS, the Govt. of India has been supporting Indian Entities bidding for strategically important infrastructure projects abroad since 2015-16.

 

The Union Cabinet has recently approved Extension of Concessional Financing Scheme (CFS) to support Indian Entities bidding for strategically important infrastructure projects abroad.

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Filed Under: General Awareness
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Q:

Which Arab scientist could be given the credit of christening the mathematical discipline of algorithm?

A) Al-Khwarizmi B) Ibn al -Haytham
C) Ibn Rushd D) Ibn Sina
 
Answer & Explanation Answer: A) Al-Khwarizmi

Explanation:

Muḥammad ibn Mūsā al-Khwārizmī, formerly Latinized as Algorithmi,was a Persianscholar who produced works in mathematics, astronomy, and geography under the patronage of the Caliph Al-Ma'mun of the Abbasid Caliphate.

He also developed the concept of the algorithm in mathematics, which is why some have called him the "grandfather of computer science".

His name gave rise to the terms algorism and algorithm.

 

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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

The book '100 Things to Know and Debate Before You Vote' is written by

Answer

Hindol Sengupta

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