Stunted growth and reduced yield in cassava plant is as a result of a disease called

A. blight

B. leaf curl

C. leaf spot

D. mosaic

E. smut

Food wastage is caused by the following EXCEPT

A. attack of moulds on farm crops

B. lack of access roads

C. lack of transportation

D. poor harvesting methods

E. proper storage

Blood groups and tongue rolling are examples of

A. continuous variation

B. discontinuous variation

C. variation due to environment

D. adaptive variation

E. sex-linked variation

Mealy bugs are pests of

A. cassava

B. cotton

C. maize

D. rice

E. yarn

The end product of glycolysis is

A. acetic acid

B. citric acid

C. ketoglutaric acid

D. oxaloacetic acid

E. pyruvic acid

Reflex action is controlled by

A. cerebellum

B. cerebrum

C. medulla oblongata

D. olfactory lobe

E. pineal body

The tropical rainforest region is characterized by the following EXCEPT

A. abundant grasses

B. abundant rainfall

C. abundant trees and shrubs

D. high humidity

E. low temperature

The removal of undigested food substances from the body is called

A. assimilation

B. egestion

C. excretion

D. elimination

E. ingestion

The part of the skin which is excretory in function is the

A. adipose tissue

B. erector muscle

C. hair follicle

D. sebaceous gland

E. sweat gland

A typical lumbar vertebra does NOT have

A. centrum

B. neural arch

C. neural spine

D. neural canal

E. vertebrartenal canal