Waec Model Questions Vol1 2019 Biology Question 1

Practice objective / multiple choice question 1 from the 2019 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2019 Biology Objective / Multiple Choice Medium Difficulty
Question 1 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective

Fossil species A, which lived 5 million years ago, had an average molar length of 12 mm. Its descendant species B, living today, has an average molar length of 18 mm. Assuming a linear increase in size, (a) calculate the average increase in molar length per million years, and (b) if another lineage C shows an increase of 0.8 mm per million years, how many million years would be required for lineage C to achieve the same total increase observed from A to B?

Answer Options

Correct Answer A. 7.5
B. 6.0
C. 10.0
D. 8.0
Correct Answer
A
Correct Option:
7.5

About This Question

This is Waec Model Questions Vol1 2019 Biology Question 1. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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