SECOND TERM EXAMINATION 2019 CLASS: PRIMARY 4                                                   SUBJECT: AGRICULTURAL SCIENCE NAME:…………………………………………………………………………………… 1.)   ___________ are ornamental plants  (a) bitter leaves (b) flowers (c) grasses (d) palm trees 2.)   The chemical used to kill weed is known as ___________ (a) insecticide (b) pesticide (c) herbicide (d) fungicides 3.)   Which of the following crop is propagated by seed (a) groundnut (b) cassava (c) onion (d) banana 4.)   The use of seed to grow new plant is known as _______ (a) asexual propagation (b) vegetative propagation (c) sexual propagation (d) nursery 5.)   Which of the following is an example of flowering plants (a) grasses (b) rose (c) fig (d) water leaf 6.)   There are ______ factors of production (a) 4 (b) 2 (c) 3 (d) 5 7.)   The reward of land as a free gift of nature is _______ (a) salary (b) interest (c) rent (d) wages 8.)   ____________ is the act of trimming the vegetative plant parts to have good shape (a) pruning (b) mulching (c) weeding (d) staking 9.)   A _____________ is a person that grows flower (a) farmer (b) gardener (c) florist (d) potter 10.)    Which of the following is done before planting ornamental plants (a) watering (b) land clearing (c) weeding (d) sowing seed 11.)    __________ are organisms that is capable of causing economic damage to plant (a) pests (b) weeds (c) farm animals (d) winds 12.)    Which of the following is not an example of pest on the farm (a) birds (b) insects (c) lion (d) rodents 13.)    The final person whom the finished goods are distributed to is referred to as _________ (a) producers (b) retailers (c) consumers (d) manufacturer 14.)    All the following are processes used in vegetative propagation except _____  (a) grafting (b) cutting (c) budding (d) zygote formation 15.)    _______ are natural or synthetic chemical substances produced in form of powders or mixture used to enrich soil so as to promote plant growth (a) farmyard (b) green manure (c) fertilizer (d) 16.)    ___________ is the transformation of raw materials into finished goods (a) production (b) division of labour (c) distribution (d) 17.)    N.P.K means _______________ (a) calcium ammonium nitrate (b) nitrogen phosphorus potassium (c) single super phosphate (d) magnesium phosphate   18.)    How many weeks does it take the materials to decay into a compost (a) four to six weeks          (b) two to three weeks (c) seven to ten weeks (d) one to two weeks     19.)    Salary or wages is the reward for ____________ in the factors of production (a) labour (b) land (c) capital (d) entrepreneur 20.)    Which of the following is used to turn the soil over (a) cutlass (b) spade (c) axe (d) digger   Theory 1.)   What are ornamental plants _____________________________________________________ ___________________________________________________________________________ b.) Mention four examples of ornamental plants   (a) ________________________________            (b) ________________________________ (c) ________________________________            (d) ________________________________   2.)   Define crop propagation? ______________________________________________________ ___________________________________________________________________________ b.) Give three examples of crops propagated Sexually                                                        Asexually  (i) ________________________________ (i) ________________________________ (ii) _______________________________  (ii) ________________________________ (iii) _______________________________ (iii) _______________________________   3.)   What is production ___________________________________________________________ ___________________________________________________________________________ b.) List four factors of productions (a) ________________________________            (b) ________________________________ (c) ________________________________            (d) ________________________________   4.)   Compost manure are __________________________________________________________ ___________________________________________________________________________ b.) State two method of preparing compost    (a) ________________________________            (b) ________________________________   5.)   What are pesticides? _________________________________________________________ ___________________________________________________________________________ b.) Give three examples of crop pests    (a) ________________________________            (b) ________________________________ (c) ________________________________               
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