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DIRECTIONS:
A passage is given with 5 questions following it. Read the passage carefully and choose the best answer to each question out of the four alternatives.
PASSAGE
Genetic variation is the cornerstone of evolution, without which there can be no natural selection, and so a low genetic diversity decreases the ability of a species to survive and reproduce, explains lead author Yoshan Moodley, Professor at the Department of Zoology, University of Venda in South Africa.
Two centuries ago, the black rhinoceros – which roamed much of sub Saharan Africa – had 64 different genetic lineages; but today only 20 of these lineages remain, says the paper. The species is now restricted to five countries, South Africa, Namibia, Kenya, Zimbabwe and Tanzania. Genetically unique populations that once existed in Nigeria, Cameroon, Chad, Eritrea, Ethiopia, Somalia, Mozambique, Malawi and Angola have disappeared. The origins of the 'genetic erosion' coincided with colonial rule in Africa and the popularity of big game hunting. From the second half of the 20th century, however, poaching for horns has dramatically depleted their population and genetic diversity, especially in Kenya and Tanzania.
The following question based on reading comprehension topic of general english mcq
(a) 20
(b) 30
(c) 64
(d) 44
The correct answers to the above question in:
Answer: (d)
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Read more reading comprehension Based General English Questions and Answers
Question : 1
Genetically unique black rhinoceros has been lost in all of the following countries, except?
a) Nigeria
b) Malawi
c) Tanzania
d) Chad
Answer »Answer: (c)
Question : 2
From the second half of the 20th century what has caused a dramatic fall in black rhinoceros population?
a) colonial rule
b) fall in genetic diversity
c) poaching
d) big game hunting
Answer »Answer: (c)
Question : 3
Genetic diversity is proportional to _____________________.
a) the ability of a species to survive and reproduce
b) extinction
c) species population
d) inbreedivng
Answer »Answer: (a)
Question : 4
What is important for evolution?
a) Large population
b) Survival of the fittest
c) Genetic variation
d) Mixing of species
Answer »Answer: (c)
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