Solution:

CAT

Explanation:
1. LOCATE
2. EDUCATE
3. CATER
4. CATTLE

Solution:

Watermelon

Explanation:
Green outside.
A small white layer inside green.
Its pulp is red.
Lots of seed in that pulp.

Solution:

They are all anagrams of time-related words.

1. CHARM: MARCH
2. DYNAMO: MONDAY
3. YAM: MAY
4. REAY: YEAR
5. EAR: ERA
6. ONE: EON
7. TOADY: TODAY

Solution:

EAT

Explanation:
EAT becomes ATE simply my moving letter 'E' at the end

Solution:

Notable
Not-able, &
No-table.

Complete Sentence:
A notable Surgeon was not able to perform surgery on a lady as there was no table.

Solution:

I am letter 'E'

Solution:

I Am stone.

Explanation:
Stone is 5 letter word. if remove word one(not 1 letter) we will get st.

Solution:

Experiance

Explanation:
I => Human being
when 4 legs ( a baby), no experiance.
when 2 legs, no experiance.
when die, just experince.

Solution:

I am word "Introvert"

Solution:

Were you able to do it under two minutes? The words that will be formed are as below:
Friend
Society
Alien
Stymie
Shriek