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Q:

Which best summarizes the concept of natural selection?

A) the fittest organisms survive and reproduce B) an organism will always adapt to its environment
C) an organism will always mutate to survive D) a mutation always makes a species fitter
 
Answer & Explanation Answer: A) the fittest organisms survive and reproduce

Explanation:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

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Filed Under: Biology
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Q:

What is a AngularJS?

Answer

AngularJS is a framework to build the large scale and high performance web application while keeping them as easy-to-maintain. These are the features of AngularJS framework.


AngularJS is a powerful Script based on JavaScript development framework to Implement RICH Internet Application (RIA).


AngularJS is a developers options to write client side application (using JavaScript) in a clean MVC (Model View Controller) side.


Application are written in AngularJS is also cross-browser compliant. AngularJS automatically handles JavaScript code suitable for any browser.


AngularJS is an open source, completely free, and used by large number of developers around the world. It is licensed under the Apache License version 2.0.

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Subject: Web Technology
Job Role: Software Architect

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Q:

What is the Lithosphere made of?

A) Soil B) Rocks
C) Dirt D) Water
 
Answer & Explanation Answer: B) Rocks

Explanation:

Lithoshpere are composed of rocks in the crust and upper mantle that behave as brittle solids. The lithosphere is Earth's outermost layer.

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Q:

The length and the breadth of rectangular field are in the ratio of 8 : 7. If charges of the painting the boundary of rectangle is at Rs. 10 per meter is Rs. 3000. What is the area of rectangular plot?

A) 5600 sq.m B) 1400 sq. m
C) 4400 sq.m D) 3600 sq.m
 
Answer & Explanation Answer: A) 5600 sq.m

Explanation:

Perimeter of the rectangle is given by 3000/10 = 300 mts

But we know,

The Perimeter of the rectangle = 2(l + b)

Now,

2(8x + 7x) = 300

30x = 300

x = 10

Required, Area of rectangle = 8x x 7x = 56 x 100 = 5600 sq. mts.

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Filed Under: Area
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Q:

You are the administrator of a SQL Server 2000 computer. Your company uses the server to store service contract information for its customers. You are also the administrator of an Oracle relational database management system (RDBMS) server. This server is used to store your company's financial information. The financial information is updated frequently throughout the day.You need to create a series of reports that combine the service contract information and the financial information. These reports will be updated several times a day.You want to create these reports on the SQL Server computer by using the minimum amount of disk space. What should you do?

A) Set up SQL Server replication to replicate the data from the Oracle server to the SQL Server computer. B) Set up the Oracle server as a linked server. Create a view that joins the service contract information and the financial information.
C) Set up a Microsoft ActiveX script that connects to the Oracle server and imports the financial information into a SQL Server temporary table. Create a view that joins the service contract information and the temporary table. D) Set up a Data Transformation Services (DTS) package that imports and transforms the data from the Oracle server to the SQL Server computer. Use SQL Server Agent to execute the DTS package throughout the day as needed.
 
Answer & Explanation Answer: B) Set up the Oracle server as a linked server. Create a view that joins the service contract information and the financial information.

Explanation:

SQL Server 2000 permits the creation of links to OLE DB data sources called linked servers. After linking to an OLE DB data source, it is possible to reference rowsets from the OLE DB data sources as tables in Transact-SQL statements and to pass commands to the OLE DB data sources and include the resulting rowsets as tables in Transact-SQL statements. Each distributed query can reference multiple linked servers and can perform either update or read operations against each individual linked server. A single distributed query can perform read operations against some linked servers and update operations against other linked servers. The Microsoft OLE DB Provider for Oracle allows distributed queries to query data in Oracle databases.

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Filed Under: MCSE-Microsoft Certified Solutions Expert

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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:

What is the name given to the Indegeneously - developed multi - barrel rocket system?

A) Trishul B) Agni
C) Pinaka D) Arjun
 
Answer & Explanation Answer: C) Pinaka

Explanation:
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Q:

Cactus Spines are Modified 

A) Stems B) Branches
C) Leaves D) Roots
 
Answer & Explanation Answer: C) Leaves

Explanation:
    • Cactus spines are also known as modified bud scales, which are also called modified leaves.

 

    • Cactus spines occur in clusters in the axil of leaves.

 

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