All these Agriculture MCQs are specially framed to strengthen the conceptual understanding of different agriculture topics. Solved MCQs of agriculture with answers covers multiple concepts such as General Agriculture MCQs, Basic Agriculture MCQs, Nutrition MCQs, Veterinary MCQs, Agriculture of Pakistan, horticulture in Pakistan, Agricultural Economics,  Animal Husbandry,  Food Technology, Plant Breeding and Genetics,  Soil Science,  Plant Pathology,  Horticulture, Agronomy MCQs,  Entomology, Seed Science – and much more. All these topics are chosen from trusted and best reference books on agriculture. These agriculture MCQs with answers are also helpful for the preparation of various interviews, entrance examinations, other competitive examinations like nts, fpsc,ppsc, ots, kppsc, ztbl, etc. for all Experienced, Freshers and Students. Also, check MCQs on Statistics here.

441. Death of an insect from a single dose is called__________________?

A. Defoliant
B. Bait
C. Chronic poisoning
D. Acute poisoning

442. Chemical added to pesticide to increase its activity is called________________?

A. Activator
B. Agitation
C. Adjuvant
D. Synergism

443. A substance used in a pesticide, it helps the spray material to adhere to the sprayed surface is called_________________?

A. Adhesive
B. Adjuvant
C. Activator
D. Agitation

444. A poison produced by a plant, animal or organisms is called____________________?

A. Toxin
B. Toxicant
C. Neurotoxin
D. None of the Above

445. A substance that destructive to nerve tissue is called____________________?

A. Toxicant
B. Neurotoxin
C. Drift
D. Swath

446. Toxic refers to a________________?

A. Poison
B. Poisonous material
C. None of the Above
D. Both of them

447. A dose of a toxicant that kills 50% of the exposed organism is called_________________?

A. LC₅₀
B. LD₅₀
C. None of the Above
D. LD₇₅

448. Against sucking and chewing insect pest we apply___________________?

A. Monocrotophos, Diazinon, Profenophos
B. Endosulfan, Deltamethrin, Dimethoate
C. Cypermethrin, Permethrin,Malathion
D. All the above

449. Against Lepidopterous larvae we apply_________________?

A. Lefenuron, Chlorfluazuron, Flufenoxum
B. Formothion
C. Methamidohpos
D. All the above

450. What is DDT__________________?

A. Dichloro-diphenyl,trichloro,ethane
B. Dimethory diphenyl,trichloro,ethane
C. Dichloro diphenyl teracholoride
D. None of the Above