(a) Draw a well labelled diagram of the water cycle (b) Mention two deficiency symptoms...

AGRICULTUREWAEC 2017

(a) Draw a well labelled diagram of the water cycle

(b) Mention two deficiency symptoms of phosphorus in crops

(c) Using the table below, classify the follow-ing insect-pests according to their modes of feeding (i) weevil (ii) locust (iii) scale insect (iv) armyworm (v) earworm (vi) cotton stainer (vii) green spidermites (viii) thrips (ix) capsids (x) yam beetle

Explanation

(a) Diagram of the water cycle

a

(b) Deficiency symptoms of Phosphorus in crops

- Stunted growth - Poor root development

- Purple coloration of leaves from tip backwards

- Inhibition of flowering and seed formation

(c) Classification of insect-pests according to their modes of feeding

Siting and chewing insect pests 1 mk

Piercing and sucking insect pests 1 mk

Boring insect pests 1 mk

LocustScale insect

Weevil

Army wormCotton stainer

Earworm

Caosids

yam beetle

Thrips
Green spider mites
Back to WAEC 2017 QuestionsPrevious QuestionNext Question


Post an Explanation Or Report an Error

If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly.

Your email address will not be published. Required fields are marked *

Don't want to keep filling in name and email whenever you make a contribution? Register or login to make contributing easier.