Neco Model Questions Vol1 2019 Biology Question 20

Practice objective / multiple choice question 20 from the 2019 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2019 Biology Objective / Multiple Choice Easy Difficulty

Question 20 NECO_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective

A typical animal cell contains about 2 000 mitochondria. Each mitochondrion can synthesize approximately \(2.5 \times 10^{-9}\) J of ATP per second. Estimate the total amount of ATP‑derived energy (in joules) produced by the cell each second. Express your answer in scientific notation to two significant figures.

Answer Options

Correct Answer A. 5.0 × 10⁻⁶ J s⁻¹

B. 5.0 × 10⁻⁵ J s⁻¹

C. 2.5 × 10⁻⁶ J s⁻¹

D. 1.0 × 10⁻⁵ J s⁻¹

Correct Answer

Correct Option:

5.0 × 10⁻⁶ J s⁻¹

About This Question

This is Neco Model Questions Vol1 2019 Biology Question 20. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Biology examination.

Difficulty level: Easy .

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