Which of the following is the largest lizard?

• (a) Chamaeleon zeylanicus
• (b) Heloderma suspectum
• (c) Varanus komodoensis
• (d) Varanus monitor

The largest lizard among the options provided is Varanus komodoensis, commonly known as the Komodo dragon. This impressive reptile can grow up to 10 feet long and weigh over 150 pounds.

Comparison of the Options

• Chamaeleon zeylanicus: Also known as the Sri Lankan chameleon, it is much smaller, typically around 2 feet in length.
• Heloderma suspectum: Known as the Gila monster, this lizard is about 2 feet long and is one of the few venomous lizards.
• Varanus monitor: This refers to a group of monitor lizards, which can vary in size, but none reach the size of the Komodo dragon.

In summary, the Komodo dragon stands out as the largest lizard, making it a fascinating creature in the animal kingdom.