In an angiosperm leaf, the xylem is

in separate bundles from the phloem

JAMB UTME - Biology - 1985 | Green Bridge CBT

Swali 1 Ripoti

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals

Morphology Of Monocotyledonous And Dicotyledonous Plants

Tazama Jibu

Swali 2 Ripoti

A group of similar cells performing the same function is

an organ

a system

a tissue Jibu sahihi

an organelle

an enzymes

Maelezo ya Majibu

Tazama Jibu

Swali 3 Ripoti

which of the following is NOT true of mucor? it

contains chlorophll Jibu sahihi

grows saprophytically

bears spores in sporangium

consist of hypae

reproduces by conjugation

Maelezo ya Majibu

Tazama Jibu

Swali 4 Ripoti

The origin of mineral particles in the soil is

humus

water

micro-organisms

weathered rock

organic matter Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Soil (JAMB)

Soma maelezo ya somo kwenye Soil (WAEC)

Soma maelezo ya somo kwenye Internal Structure Of A Flowering Plant (JAMB)

Soil

Internal Structure Of A Flowering Plant

Tazama Jibu

Swali 5 Ripoti

In which of the following groups of animals are flagella and cilia found?

Flatworms

Annelids

Coelenterates

protozoa Jibu sahihi

Nematodes

Maelezo ya Majibu

Soma maelezo ya somo kwenye Amoeba, Paramecium, And Euglena (WAEC)

Amoeba, Paramecium, And Euglena

Tazama Jibu

Swali 6 Ripoti

Tsetse fly is harmful to man because it is associated with the spread of

river blindness

malaria

sleeping sickness Jibu sahihi

leprosy

dysentry

Maelezo ya Majibu

Tazama Jibu

Swali 7 Ripoti

For pollen to be released in Crotalaria the insect must depress the

wing

keel Jibu sahihi

standard

antepetalous stamen

antesepalous stamen

Maelezo ya Majibu

Tazama Jibu

Swali 8 Ripoti

A food substance which produces red colouration with Sudan III contain

protein

sugar

starch

cellulose

fat Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nutrition (JAMB)

Soma maelezo ya somo kwenye Nucleic Acids (WAEC)

Nutrition

Nucleic Acids

Tazama Jibu

Swali 9 Ripoti

In spirogyra, the pyrenoid

excretes waste products

is suspended by cytoplasmic strands

is mainly used for respiration

usually contains starch Jibu sahihi

makes the plants slimy to touch

Maelezo ya Majibu

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Tazama Jibu

Swali 10 Ripoti

The hereditary material in a cell is known as

ADP

CNS

RNA

ATP

DNA Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Identification Of Organisms Using Biological Keys (WAEC)

Identification Of Organisms Using Biological Keys

Tazama Jibu

Swali 11 Ripoti

Blood platelets are important because they are

amoeboid and nucleated

produce antitoxins

produce antibodies

digest harmful bacteria

release thrombin for blood clothing Jibu sahihi

Maelezo ya Majibu

Tazama Jibu

Swali 12 Ripoti

Movements and positions of the head in man are detected by the

cochlea

malleus

utriculus

semicircular canals Jibu sahihi

outer ear

Maelezo ya Majibu

Soma maelezo ya somo kwenye Sense Organs (Nose, Tongue & Skin) (WAEC)

Soma maelezo ya somo kwenye Nervous Coordination (WAEC)

Sense Organs (Nose, Tongue & Skin)

Nervous Coordination

Tazama Jibu

Swali 13 Ripoti

The vein which returns blood from the head and arms to the heart is called

aorta

inferior vena cava

superior vena cava Jibu sahihi

pulmonary vein

pulmonary artery

Maelezo ya Majibu

Soma maelezo ya somo kwenye Ecological Management (WAEC)

Ecological Management

Tazama Jibu

Swali 14 Ripoti

Atmospheric nitrogen is directly replenished in nature through

the activities of denitrifying bacteria

the breakdown of ammonium salts in the soil

the activities of nitrifying bacteria

the activities of nitrogen-fixing bacteria in root nodules

egestion, death and decay Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nitrogen Cycle (WAEC)

Nitrogen Cycle

Tazama Jibu

Swali 15 Ripoti

Water retention is highest in soils which are rich in

sand, poor in humus and devoid of clay

clay and sand, but poor in humus

clay and humus, but poor in sand

clay, poor in humus and devoid of sand Jibu sahihi

sand and humus, but poor in clay

Maelezo ya Majibu

Soma maelezo ya somo kwenye Soil (JAMB)

Soma maelezo ya somo kwenye Soil (WAEC)

Soil

Tazama Jibu

Swali 16 Ripoti

In lower plants like mosses, the structure which performs the functions of roots of higher plants is called

root hairs

rootlets

hypae

rhizoids Jibu sahihi

thalli

Maelezo ya Majibu

Tazama Jibu

Swali 17 Ripoti

If calcium is deficient in food this may cause

anaemia

retarded growth Jibu sahihi

sterility

goitre

beri-beri

Maelezo ya Majibu

Calcium helps in the growth of bones and teeth.

Soma maelezo ya somo kwenye Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

Tazama Jibu

Swali 18 Ripoti

Each of the following is an anthropod EXCEPT the

crab

spider

snail

Jibu sahihi

milipede

cockroach

Maelezo ya Majibu

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Soma maelezo ya somo kwenye Microorganisms: Man And Health (WAEC)

Soma maelezo ya somo kwenye Theories Of Evolution (JAMB)

Forms In Which Living Cells Exist

Microorganisms: Man And Health

Theories Of Evolution

Tazama Jibu

Swali 19 Ripoti

The primary and secondary hosts respectively of bilharzia are

fish and man

man and dog

snail and man

man and snail Jibu sahihi

fish and snail

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nitrogen Cycle (WAEC)

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Nitrogen Cycle

Excretory Systems And Mechanisms; Types Of Excretory Systems

Tazama Jibu

Swali 20 Ripoti

If a flower is protandrous then it

must be unisexual

has an undeveloped androecium

has no androecium

must be insect-pollinated

can prevent self pollination Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nutrition (JAMB)

Nutrition

Tazama Jibu

Swali 21 Ripoti

Partially digested food ready to leave the stomach is referred to as

chyme Jibu sahihi

curd

glycogen

paste

roughage

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nutrition (JAMB)

Soma maelezo ya somo kwenye Growth (JAMB)

Nutrition

Growth

Tazama Jibu

Swali 22 Ripoti

The initial volume of water poured into 60g bag of dry soil was 50ml and the amount that drained through was 35ml. The percentage water content of the fully soaked soil is therefore

46.7

25.0

20.0

30.0

Jibu sahihi

58.3

Maelezo ya Majibu

Soma maelezo ya somo kwenye Soil (WAEC)

Soil

Tazama Jibu

Swali 23 Ripoti

In which of the following groups of animals are flagella and cilia found?

Flatworms

Annelids

Coelenterates

protozoa

Jibu sahihi

Nematodes

Maelezo ya Majibu

Flagella and cilia are found in protozoa. Flagella are slender thread-like structures, especially microscopic whip-like appendages which enables many protozoa, bacteria, spermatozoa, etc. to swim. Cilia are microscopic, hair-like structures that extend outwardfrom the surface of protozoan cells.

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Soma maelezo ya somo kwenye Amoeba, Paramecium, And Euglena (WAEC)

Forms In Which Living Cells Exist

Amoeba, Paramecium, And Euglena

Tazama Jibu

Swali 24 Ripoti

Which of the following food chains is in the correct sequence?

Weeds → Tadpole → Beetles → Fish → Man Jibu sahihi

Weeds → Tadpole → Fish → Beetles → Man

Tadpole → Beetles →Weeds → Man → Fish

Man → Fish → Beetles → Tadpole → Weeds

Fish → Beetles → Weeds → Man → Tadpoles

Maelezo ya Majibu

Soma maelezo ya somo kwenye Food Webs And Trophic Levels (WAEC)

Soma maelezo ya somo kwenye Ecosystem (WAEC)

Food Webs And Trophic Levels

Ecosystem

Tazama Jibu

Swali 25 Ripoti

The maize grain is a fruit and not a seed because it

has a large endosperm

is formed from an ovary Jibu sahihi

is a monocotyledon

has no plumule and radicle

has a hypogeal germination

Maelezo ya Majibu

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Soma maelezo ya somo kwenye Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

Tazama Jibu

Swali 26 Ripoti

Which of the following is seed bearing?

Mosses

Whistling pine Jibu sahihi

Algal filament

liverwort

Fern fronds

Maelezo ya Majibu

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Cell Structure

Tazama Jibu

Swali 27 Ripoti

Bowman's capsule is located in the part labeled

2 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Cell Structure

Tazama Jibu

Swali 28 Ripoti

Which of the following represents the sequence of protein hydrolysis? 1. polypeptides 2. Amino acides 3. Proteins 4. Peptones

3 → 1 → 2 → 4

3 → 2 →4 → 1

3 → 1 →2 → 4

3 → 4 → 1 → 2 Jibu sahihi

3 → 1 → 4 → 2

Maelezo ya Majibu

Soma maelezo ya somo kwenye Protein Synthesis (WAEC)

Protein Synthesis

Tazama Jibu

Swali 29 Ripoti

The appendicular skeleton is made up of the

limbs

skull and limbs

phalanges

ulna and radius

girdles and limbs Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Soma maelezo ya somo kwenye Tissues And Supporting Systems: (WAEC)

Organization Of Life

Tissues And Supporting Systems:

Tazama Jibu

Swali 30 Ripoti

Which of the following is common to a dicotyledonous stem and monocotyledonous root?

Medullary rays

Central pith Jibu sahihi

Wide cortex

Narrow cortex

Pericycle fibres

Maelezo ya Majibu

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Soma maelezo ya somo kwenye Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

Tazama Jibu

Swali 31 Ripoti

Bryophtes are different from flower because they

live in moist habita

are small plants

reproduce sexually and asexually

have small leaves

have no vascular tissue Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Soma maelezo ya somo kwenye Physiological Variations (WAEC)

Forms In Which Living Cells Exist

Physiological Variations

Tazama Jibu

Swali 32 Ripoti

A relationship between living organisms which is of mutual benefit is

parasitism

saprophtism

ecosystem

symbiosis Jibu sahihi

commensalism

Maelezo ya Majibu

Soma maelezo ya somo kwenye Symbiotic Interactions Of Plants And Animals (JAMB)

Symbiotic Interactions Of Plants And Animals

Tazama Jibu

Swali 33 Ripoti

Germination which results in the cotyledons being brought above ground is called

hypocotyl

epicotyl

epigeal Jibu sahihi

hypogeal

plumule

Maelezo ya Majibu

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Tazama Jibu

Swali 34 Ripoti

The function of lymph nodes is to

supply oxygen

filter out bacteria Jibu sahihi

form red blood cells

supply amino acids

supply simple sugars

Maelezo ya Majibu

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Soma maelezo ya somo kwenye Food Webs And Trophic Levels (WAEC)

Soma maelezo ya somo kwenye Natural Habitats (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Food Webs And Trophic Levels

Natural Habitats

Tazama Jibu

Swali 35 Ripoti

At what stage in the life history of a toad is its mode of breathing similar to that of fish?

Tadpole stage Jibu sahihi

External gill stage

Adult stage

Internal gill stage

Larval stage

Maelezo ya Majibu

Soma maelezo ya somo kwenye Classification (WAEC)

Soma maelezo ya somo kwenye Movement (WAEC)

Classification

Movement

Tazama Jibu

Swali 36 Ripoti

In mammals, the function of the sebaceous gland is to

produce sweat

secrete sodium choride

secrete water

produce an oily substance Jibu sahihi

manufacture vitamin D for the skin

Maelezo ya Majibu

Soma maelezo ya somo kwenye Structural Adaptation For Survival (WAEC)

Soma maelezo ya somo kwenye Irritability As A Basic Characteristic Of Protoplasm (WAEC)

Structural Adaptation For Survival

Irritability As A Basic Characteristic Of Protoplasm

Tazama Jibu

Swali 37 Ripoti

In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the

motor neurons

effector muscles

dendrites

sensory neurons Jibu sahihi

synapses

Maelezo ya Majibu

Soma maelezo ya somo kwenye Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Soma maelezo ya somo kwenye Properties And Functions Of The Living Cell (WAEC)

Soma maelezo ya somo kwenye Nucleic Acids (WAEC)

Soma maelezo ya somo kwenye Spirogyra And Rhizopus (WAEC)

Soma maelezo ya somo kwenye Nervous Coordination (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Properties And Functions Of The Living Cell

Nucleic Acids

Spirogyra And Rhizopus

Nervous Coordination

Tazama Jibu

Swali 38 Ripoti

Which of the following events does NOT occur during anaerobic respiration of glucose?

Muscle cells produce lactic acid

Carbon dioxide is produced Jibu sahihi

Milk bacteria produce lactic acid

Energy is not produced

Germinating seeds produced alcohol

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cellular Respiration (WAEC)

Cellular Respiration

Tazama Jibu

Swali 39 Ripoti

A young plant showing yellow leaves is likely to be deficient in

calcium

magnesium Jibu sahihi

potassium

boron

molybdenum

Maelezo ya Majibu

Soma maelezo ya somo kwenye Modes Of Nutrition (WAEC)

Soma maelezo ya somo kwenye Plant Nutrition (WAEC)

Modes Of Nutrition

Plant Nutrition

Tazama Jibu

Swali 40 Ripoti

Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry

1, 2, 3 Jibu sahihi

1, 2, 5

2, 3, 5

2, 4, 5

1, 3, 5

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cellular Respiration (WAEC)

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Soma maelezo ya somo kwenye Movement (WAEC)

Cellular Respiration

Organization Of Life

Movement

Tazama Jibu

Swali 41 Ripoti

Re-absorption of useful materials takes place in the part labelled

1 and 3

3 and 5

5 and 6

6 and 7

2 and 4 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Soma maelezo ya somo kwenye Support And Movement (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Support And Movement

Tazama Jibu

Swali 42 Ripoti

Which of the following is NOT caused by bacteria?

Cholera

Gonorrhoea

Tuberculosis

Onchoceriasis Jibu sahihi

Typhoid

Maelezo ya Majibu

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Soma maelezo ya somo kwenye Physiological Variations (WAEC)

Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals

Physiological Variations

Tazama Jibu

Swali 43 Ripoti

Euglene is an autotrophic organism because it

has flagella

has plant and animal features

is found in water

can manufacture its food Jibu sahihi

move fast

Maelezo ya Majibu

Tazama Jibu

Swali 44 Ripoti

The characters by which an organism is recognized are termed its

phenotype Jibu sahihi

genotype

morphology

anatomy

physiology

Maelezo ya Majibu

Soma maelezo ya somo kwenye Genetic Terminologies (WAEC)

Genetic Terminologies

Tazama Jibu

Swali 45 Ripoti

In fish the sense organs which detect movements in water are located within the

gills

operculum

nostrils

median fin

lateral line Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Sense Organs (Nose, Tongue & Skin) (WAEC)

Sense Organs (Nose, Tongue & Skin)

Tazama Jibu

Swali 46 Ripoti

Soil erosion CANNOT be controlled by

planting cover crops

contouring of sloping ground

terracing of slopes

laying of mulch

burning of bush

Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Soil (JAMB)

Soil

Tazama Jibu

Swali 47 Ripoti

An old man is likely to be long-sighted because age affects the

optic nerves

retina Jibu sahihi

ciliary muscles

cornea

aqueous humour

Maelezo ya Majibu

Tazama Jibu

Swali 48 Ripoti

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber Jibu sahihi

Maelezo ya Majibu

A stem tuber forms from thickened rhizomes or stolons. The top sides of the tuber produce shoots that grow into typical stems and leaves and the under sides produce roots. They tend to form at the sides of the parent plant and are most often located near the soil surface. Irish potato is a stem tuber.

Soma maelezo ya somo kwenye Nitrogen Cycle (WAEC)

Soma maelezo ya somo kwenye Morphological Variations In The Physical Appearance Of Individuals (WAEC)

Soma maelezo ya somo kwenye Nutrition (JAMB)

Nitrogen Cycle

Morphological Variations In The Physical Appearance Of Individuals

Nutrition

Tazama Jibu

Swali 49 Ripoti

If a child can receive blood from all donors , he belongs to the blood group