The economic injury level for white fly is________________? April 25, 2025 by admin A. 1-2 nymphs/leaf B. 2-3 nymphs/leaf C. 3-4 nymphs/leaf D. 1 nymphs/leaf
The entrance point for air in insects are known as _________________? April 25, 2025 by admin A. Trachea B. Spines C. Secretion D. Nervous system
Pathogen is_________________? April 25, 2025 by admin A. Fungi which cause disease B. Any bacteria which causes disease C. Any virus which causes disease D. Any organism which causes disease
Root knot disease is caused by___________________? April 25, 2025 by admin A. Fungi B. Nematodes C. Virus D. Bacteria
Fungi damage our crops by_________________? April 25, 2025 by admin A. Producing toxic substances in plants B. Destroying green pigment of plant C. feeding on flowers and fruits D. Absorption of nutrients from plant tissues
Which one of the following is disease of wheat_________________? April 25, 2025 by admin A. Leaf rust B. Strip rust C. Loose rust D. All the above
The whole body of fungus is known as________________? April 25, 2025 by admin A. Thallus B. Hyphae C. Mycellium D. SeptaleUpdated by: Dr. Jamil Shafi
A plant virus must have: __________? April 25, 2025 by admin A. RNA B. DNA C. Either DNA or RNA D. Both RNA and DNA
