What are the raw materials used during photosynthesis?

“All plants give out oxygen during day and carbon dioxide during night”. Do you agree with this statement? Give reason.

Where do the following processes take place?
$(i)$ Filtration of blood
$(ii)$ Reabsorption of glucose and water
$(iii)$ Secretion of salts to make final filtrate
$(iv)$ Collection of the final filtrate

In which of the following vertebrate group/groups,does the heart not pump oxygenated blood to different parts of the body?

Mention the site of photosynthesis. List basic requirements for this process to occur.

What are the common features of the respiratory organs in aquatic and terrestrial animals?