Which photoreceptor cells in the eye are responsible for vision in dim light and cannot distinguish colours?

Which scientist is known as the father of modern genetics for his work on pea plant inheritance?

Which everyday device uses a small magnifying lens system to examine tiny objects not visible to the naked eye?

Which simple machine uses a grooved wheel and rope to lift heavy objects with reduced effort?

Which vitamin deficiency commonly causes night blindness in humans?

Which part of the human respiratory system is primarily responsible for warming and filtering incoming air?