What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Count the number of triangles in the below picture?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

Which is the smallest number that you can write using all the vowels exactly once?