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- Approximately what percentage of humans have blood of the type Rh +?
Question 1:
Approximately what percentage of humans have blood of the type Rh +?
A. 33 %
B. 35 %
C. 85 %
D. 74 %
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Trivial Practice Quiz science-technology - Test 46 | Englishfreetest.com
- 30 minutes
- 15 questions
Some questions from the same exam
- The members of which profession used to be called leechers†because of the methods they used in the past?
- Barbers traditionally have red and white poles in front of their stores because in the Middle Ages they did the blood letting.
- Approximately what percentage of humans have blood of the type Rh +?
- What percentage of humans have type O blood?
- Which blood type is called the universal recipient?
- Which fictional character had T-Negative blood type?
- Which type of blood cells can be stored the longest?
- Healthy people over 17 can donate what part of their blood every two weeks?
- Who was the first physician to demonstrate that arteries carry blood throughout the body?
- Which of these people is the Austrian biologist and physician who first identified the four basic blood types?
- In 1658 he became the first person to describe and observe red blood cells (erythrocytes).
- In 1924 who was the German mathematician who developed a proof showing that blood types were genetic?
- This person developed the first system to produce donatable blood plasma and was the first director of a Red Cross Blood Bank in the USA.
- Which of these statements about Petroleum, sometimes called ‘black gold’, is not true?
- In 1863 this entrepreneur and his partners founded Standard Oil, a company which dominated oil production in the USA for decades.
Some other questions you may be interested in
- Read the passage and answer the following questions:
The process of developmental planning in India is greatly dominated by the experts and the technocrats. But it was not always so. Among the initial stalwarts in the Indian planning process there were only a handful of economists. It was their political conviction and their preconceived political pattern of creating an economy and a society which gave them the specific stability in the path of development. Under the leadership of Indira Gandhi there was some change in the scenario and the reflection of electoral manifesto of the Congress Party was continually enhanced in the plans. - After the independence, our leaders understood the need for framing development oriented planning and made their desired participation.
- Initially, the Indian planning was free of the influence of ideology of the ruling party.
- If an economic system is to be enriched then it must be given shape only by the politicians because they understand the thoughts and aspirations of the people.
- Five year plans in India were not great successes because they were not framed by the economics.
- Read the passage and answer the following questions:
There is a clear link between degraded forests and poverty. It is estimated that one billion of the world's poorest people in about 30 heavily deforested countries would be alleviated from poverty if they are given government support for managing neighbouring public forest land and sharing benefits with in their communities.
The forests face even shakier future with the global population expected to grow by 50 percent in the next 50 years. To accommodate a growing population's need of more land for food production we should be making better use of the degraded land through 'Evergreen Revolution'.
The growth of population is positively linked with growth of forests.