Questions

Rearrange the parts of the sentence in correct order.

P: This discipline is characterized by several concepts and approaches that are used by psychologists in understanding human behavior.
Q: The field of psychology can be described as a discipline that focuses on the study of mind and behavior.
R: Some of the most common psychological concepts that are used to modify or change an individual’s behavior include operant conditioning, positive and negative punishment, and positive and negative reinforcement.
S: Since psychology is a broad field, psychologists not only use these concepts and approaches but also conduct scientific research that enables them to understand
human behavior.

Rearrange the parts of the sentence in correct order

The pesticides

P-are more harmful than
Q-those used in many other parts of the world
R-used in India

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Elections are likely to be held

P-­in 2017 once law and order
Q-­time frame has been set
R-­is restored though no

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The first and decisive step

P : in the expansion of

Q : conquest of the Atlantic ocean

R : Europe overseas was the

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They are even poorer
P-failure will deprive
Q-them of jobs altogether
R-than farmers; and crop

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One year after its official launch,

P­ - while expectations
Q­ - has largely escaped political scrutiny
R­ - have been scaled down, the rhetoric

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The architecture

P-was designed to promote
Q-of the Internet
R-connectivity, not security

Read the passage carefully and choose the best answer to each question out of the four alternatives.

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.

Genetic diversity is proportional to _____________________.