IELTS Reading Practice Test 01 - The Secrets of Nature

PASSAGE 1

IELTS Reading Practice Test 01 - The Secrets of Nature

Passage 1

READING PASSAGE 1: BACTERIAL BATTERIES

Scientists have discovered remarkable microbial electro-synthesis systems capable of generating sustainable electric current directly from organic sediment. Unlike traditional chemical batteries, these biological cells do not release toxic heavy metals into the surrounding environment.

Passage 1

Read the text and answer the questions below.

1 What generates electrical current in bacterial batteries?

2 What is the main environmental advantage of bio-batteries?

Traditional chemical batteries release harmful heavy metals into nature.

Biological batteries are currently being mass-produced by commercial electronics companies.

Bio-batteries generate sustainable electricity directly from organic .