1. What did one tectonic plate say when he bumped into the other?

Sorry! My fault.

2. What did the biologist wear to impress his date?

Designer genes

3. What did the stamen say to the pistil?

I like your style!

4. What type of fish is made out of 2 sodium atoms?

2 Na (tuna)

5. What do you call an accountant for the biology department?

A buy-ologist.

6. What is the quickest way to determine the sex of a chromosome?

Pull down its genes.

7. What kind of tree can be placed into your hand?

A palm tree

8. What do rich clouds do? 

They make it rain!

9. Why are chemists excellent for solving problems?

They have all the solutions.

10. What did the volcano say to his beautiful wife?

I lava you