Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

I have branches, but no fruit, trunk or leaves. What am I?

How is a fly different from a mosquito?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

What jumps when it walks and sits when it stands?

What is the longest word in the dictionary?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

What has many teeth, but cannot bite?