JAMB UTME - Biology - 1986 | Green Bridge CBT

If a woman who is a carrier of sickle cell trait (AS) married a man who is a sickler (SS) and they had four children, how many of them would be normal?

Three

Two

One

None Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Heredity (JAMB)

Heredity

Duba Amsa

Tambaya 38 Rahoto

An instrument that can be used to demonstrate phototropism and geotropism in plants is the

auxanometer

potometer

klinostat Amsar da ta dace

photometer

Bayanin Amsa

Karanta bayanin darasi akan Respiration (JAMB)

Karanta bayanin darasi akan Co-ordination And Control (JAMB)

Respiration

Co-ordination And Control

Duba Amsa

Tambaya 39 Rahoto

The equation that can be used to summarize the process of anaerobic breakdown of sugar is

C2H12O6 2C2H5OH + 2CO2

6Co2 + 6H2O C6H12O6 + 6O2

C6H12O6 + 6O2 6CO2 + 6H2O + enegy

C6H12O6 2C2H5OH + 2CO2 + energy Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

Duba Amsa

Tambaya 40 Rahoto

Which of the following has cones?

Angiosperms

Gymnosperms Amsar da ta dace

Pteridophyte

Bryophyte

Bayanin Amsa

Karanta bayanin darasi akan Forms In Which Living Cells Exist (WAEC)

Karanta bayanin darasi akan Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Forms In Which Living Cells Exist

Morphology Of Monocotyledonous And Dicotyledonous Plants

Duba Amsa

Tambaya 41 Rahoto

For effective functioning of a bird's quill feather, hooks fit on the ridge of the

Vane

rachis

barbules Amsar da ta dace

barbs

Bayanin Amsa

Duba Amsa

Tambaya 42 Rahoto

Viruses are regarded as non-living because they

can niether reproduce asexually nor sexually

cannot survive in their respective enviroments

do not possess characteristics that can be transmitted from one generation to the next

can neither respire nor excrete Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Cell Structure (WAEC)

Cell Structure

Duba Amsa

Tambaya 43 Rahoto

The hormones which regulates the amount of glucose in the blood is called

adrenalin

auxin

insulin Amsar da ta dace

thyroxine

Bayanin Amsa

Karanta bayanin darasi akan Hormonal Coordination (WAEC)

Hormonal Coordination

Duba Amsa

Tambaya 44 Rahoto

Nastic movement is

response to light stimulus

non-directional Amsar da ta dace

directional

response to internal stimulus

Bayanin Amsa

Karanta bayanin darasi akan Protein Synthesis (WAEC)

Karanta bayanin darasi akan Movement (WAEC)

Protein Synthesis

Movement

Duba Amsa

Tambaya 45 Rahoto

A larger percentage of tropical soils tends to be acidic because they

contain large quantities of potash

contain large quantities of lime

lose a high proportion of their organic matter to running water

lose lime and potash from the top soil through rain action Amsar da ta dace

Bayanin Amsa

Duba Amsa

Tambaya 46 Rahoto

Sample of different soil types are packed in glass tubes whose lower ends are plugged with cotton wool, if these tubes are suspended in a trough of water, water will rise highest after a few hours in

sand Amsar da ta dace

loamy

clay

humus

Bayanin Amsa

Karanta bayanin darasi akan Transport (WAEC)

Karanta bayanin darasi akan Animal Nutrition (WAEC)

Karanta bayanin darasi akan Soil (WAEC)

Transport

Animal Nutrition

Soil

Duba Amsa