Biology - Comprehensive Mock Test 147

Question 1461 Medium

Anaerobic photosynthetic bacteria appeared on the earth about ______?

A) 500 million years ago B) 1500 million years ago C) 2500 million years ago D) 3500 million years ago

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Question 1462 Medium

The first formed organism (riboorganism) used only ................. for catalyzing reactions?

A) DNA B) amino acids C) fatty acids D) RNA

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Question 1463 Hard

The experiment to show the production of mice in 21 days from a dirty shirt placed in contact with kernels of wheat was carried out by ______?

A) Francesco Redi B) Jean Baptiste Van Helmont C) Aristotle D) Louis Pasteur

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Question 1464 Easy

The earth like other planets formed from ______?

A) aggregates of uranium B) cloud of gas and dust C) division of pre-exiting planets D) collisions of meteorites

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Question 1465 Easy

The surface temperature of the sun is ______?

A) 6000o C B) 9000o C C) 1000o C D) 10,000o C

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Question 1466 Medium

Which of the following are the most distantly related to one another?

A) Sunfish and dolphins. B) Tree frogs and snakes. C) Vampire bats and birds. D) Bears and whales.

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Question 1467 Medium

Why is similarity misleading when it comes to inferring evolutionary relationships?

A) Organisms that look alike may be very distantly related to one another. B) Similarities between two species may be due to common descent, without indicating how closely the two are related to one another. C) A and B only. D) The presence of a shared derived character state is often misleading when it comes to inferring relationships between species .

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Question 1468 Medium

Which of the following must increase over geological time according to evolutionary biologists?

A) Size . B) Complexity . C) Speed of evolutionary processes such as mutation. D) All of the above.

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Question 1469 Easy

Which of the following are kingdoms?

A) Monera . B) Protist1⃣ C) Animalae. D) All of the above.

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Question 1470 Medium

Which of the following is not an example of a monophyletic taxon?

A) The first fish species and every living organism that looks like a fish . B) The first mammal species and all its descendants. C) The first bird species and all its descendants. D) All of the above

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