Q: You are presented with the quiz "What can you ride to get good exercise and avoid producing harmful gases?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "riding a bike does not cause pollution" and "bikes are good for exercise and produce no pollution". So, what's the best answer to the question?

OPTIONS:
- cows
- bike
- stairmaster
- cycles
- bus
- trolley
- Lift
- goats

A: bike

Q: You are presented with the quiz "What is an example of a tetrapod vertebrate that produces amniotic eggs." But you don't know the answer, so you turn to your teacher to ask for hints. He says that "reptiles are a class of tetrapod vertebrates that produce amniotic eggs" and "all lizards are reptiles". So, what's the best answer to the question?

OPTIONS:
- animals
- tortoises
- crocodiles
- barnacles
- insects
- parasites
- Lizards
- a fish

A: Lizards

Q: You are presented with the quiz "Which gender carries the eggs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fertilization takes place inside the female organism" and "fertilized eggs carried on female". So, what's the best answer to the question?

OPTIONS:
- male
- animals
- transexual
- ducks
- humans
- female
- transgender
- chickens

A: female

Q: You are presented with the quiz "What is it called when people get pesticides on or in the body?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "eating food that contains pesticides can have a negative impact on humans" and "for humans, a pesticide exposure means getting pesticides in or on the body". So, what's the best answer to the question?

OPTIONS:
- Insecticide
- Herbicide
- hyperthyroidism
- major threat to health
- direct damage to the lungs
- massive damage
- Insect killer exposure
- Pesticide exposure

A:
Pesticide exposure