Weeds compete with crops for​ _______, _________, and ________.

Q. Select the option which best suits the given descriptions for P, Q, R and S.
P - A simple tool used for removing weeds.
Q - A tool which is used for ploughing and is used with a tractor.
R - A tool which is used for sowing and removing weeds.
S - A simple tool used for cutting of crops.

Q.

(a) What are weeds ? Name any one weed found in a crop field.

(b) How do weeds affect the growth of crops ?

Q. Weeds compete with crops for

Q. We should remove the weeds before planting a crop.

Q. Assertion (A) : Weeds should not be allowed to grow along with the crops.
Reason (R) : Weeds leave no space for plants to grow.