odesk answers for search engine optimization. 100% ok post no 1

So here we are..... we are giving you the solutions regarding the SEO test of the odesk.
we are giving you 5 MCQs in each post....

Q-1  _________use both crawlers and directories to generate relevant results. 

a. Crawler- based Search Engines
b. Human Powered Directories
c. Hybrid Search Engines
d. Meta Search Engines

Q-2  Google gives priority to themed in-bound links.

a. True
b. False

Q-3  Why is it a bad idea from the SEO perspective to host free articles and write ups that are very common on the internet.

a. Because they will not lead to fresh traffic
b. Because you could get penalized by search engines for using duplicate content
c. Because you will not get the benefits of proper keyword targeting
d. Because people could turn up claiming copy right infringement

Q-4  If a website's search engine saturation with respect to a particular search engine is 20%, what does it mean? 

a. 20% of the WebPages of the website have been indexed by the search engine
b. Only 20% of the pages of the website will be indexed by the search engine 

c. 20% of the websites pages will never be indexed
d. The website ranks in the first 20% of all websites indexed by the search engine for its most Important search terms

Q-5  Which of the following is an ethical SEO Technique?

a. Creating a subdomain with the hottest keyword and creating duplicate copies of existing pages on it
b. Filling your pages with keywords, whether relevant to the page content or not
c. Creating a page which serves a different content to the search engine bots and different to human users
d. None of the above