(A) Producing toxic substances in plants (X)
(B) Destroying green pigment of plant (X)
(C) feeding on flowers and fruits (X)
(D) Absorption of nutrients from plant tissues ()

Answers: Fungi damage our crops by Absorption of nutrients from plant tissues.

(A) Fungi (X)
(B) Nematodes ()
(C) Virus (X)
(D) Bacteria (X)

Answers: Root knot disease is caused by Nematodes.

(A) Fungi which cause disease (X)
(B) Any bacteria which causes disease (X)
(C) Any virus which causes disease (X)
(D) Any organism which causes disease ()

Answers: Pathogen is  Any organism which causes disease.

(A) Trachea ()
(B) Spines (X)
(C) Secretion (X)
(D) Nervous system (X)

Answers: The entrance point for air in insects are known as  Trachea.

(A) 1-2 nymphs/leaf ()
(B) 2-3 nymphs/leaf (X)
(C) 3-4 nymphs/leaf (X)
(D) 1 nymphs/leaf (X)

Answers: The economic injury level for white fly is  1-2 nymphs/leaf.

(A) Dust (X)
(B) EC (X)
(C) Granular (X)
(D) Fungiments ()

Answers: Formulation or insecticides is Fungiments.