Questions

The credit of inventing the television goes to Philo Farnsworth. Electronic television was first successfully demonstrated in San Francisco on Sept. 7, 1927.

While plant cells have chloroplasts to photosynthesize, they also require ATP for cellular functions, and do use oxygen to break down some of the sugar they produce in order to generate that ATP. Cellular respiration takes place in the mitochondria. They need mitochondria for this reason.
Hence with this logic, we can say that Plants cells have mitochondria.

The maximum number of characters allowed is 1024 characters.

Activation of the receptors by stimuli is called Sensation.

We know that, 

Earth is known as Watery planet.

Neptune is known as Blue planet.