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Which of the following can be logically inferred from the passage above ?
(A) coral snakes from different habitats also have different types of venom.
(B) All varieties of coral snakes have red, black and white bands.
(C) The protection that the less poisonous species of snake mentioned derives from the coral snake means that the less poisonous. Species of snake must be useful to the coral snake in some way.
(D) The less poisonous snake species mentioned produces the same venom that the coral snake does, but less of it.
(E) The differentiation among coral snakes into those with and those without red bands predates the corresponding differentiation among the less poisonous species of snake mentioned.
Questions 9 -12
In a biologist’s laboratory, there are seven unlabeled jars. The biologist knows that each of the jars contains dormant bacteria of one of the following types : T, U, V, W, X, Y, Z. She also knows that no two of the jars contain the same type of bacteria. She wishes to identify accurately the type of bacteria in each jar by placing samples of the bacteria into various growth mediums and observing their growth. She has only the following information to use in interpreting the results : When placed in a suitable medium, dormant bacteria will grow.
Types U and V each grow only in medium 1.
Type Y grows only in medium 2.
Type X grows only in medium 3.
Type W grows both in medium 1 and in medium 3 both in no other medium.
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If the biologist places samples of bacteria from one of the jars into mediums 1, 2 and 3 and finds that the bacteria grow only in medium 3. She can properly conclude which of the following.
(A) The bacteria are of either type W or type X, but which of the two they are cannot be determined without additional information.
(B) The bacteria are of type W, or type X, or type Z, but which of the three they are cannot be determined without additional information.
(C) They bacteria are of type X.
(D) The bacteria are of type T, or type X, or type Y, but which of the three they are cannot be determined without additional information.
(E) The bacteria are of type W.
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Index
Test 3
Section 1 : Verbal
Section
Section 2 : Quantitative
Section
Section 3 : Analytical
Section
Section 4 : Quantitative
Section
Section 5 : Verbal
Section
Section 6 : Analytical
Section
Section 7 : Quantitative
Section
Answer key to Test 3
Answer Explanation To Test 3
Section 1 : Verbal
Section
Section 2 : Quantitative
Section
Section 3 : Analytical
Section
Section 4 : Quantitative
Section
Section 5 : Verbal
Section
Section 6 : Analytical
Section
Section 7 : Quantitative
Section
Test 4
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