JAMB UTME - Biology - 1987 | Green Bridge CBT

Ibeere 1 Ìròyìn

In the reproduction of mosses, water is essential because

they live in moist habitats

they cannnot reproduce without water

the male ganetes must swim to fertilize the ovum Ìdáhùn tó tọ́

they produce spores

Awọn alaye Idahun

Wo Idahun

Ibeere 2 Ìròyìn

The ratio of carriers to sicklers in the F1 generation derived from a parental cross of two carriers of haemoglobin S gene is

3 : 1

1 : 3

2 : 1 Ìdáhùn tó tọ́

1 : 2

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heredity (JAMB)

Heredity

Wo Idahun

Ibeere 3 Ìròyìn

The oxidative part of the respiratory process takes place in the

mitochondria Ìdáhùn tó tọ́

ribosomes

endoplasmic reticulum

golgi bodies

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Wo Idahun

Ibeere 4 Ìròyìn

A flower showing radial symmetry is said to be

pentamerous

protandrous

protogynous

actinomorphic Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Body Symmetry, Sectioning And Orientation (WAEC)

Body Symmetry, Sectioning And Orientation

Wo Idahun

Ibeere 5 Ìròyìn

The pineapple fruit is best described as

aggregate, succulent and indehiscent

aggregate, succulent and dehiscent

multiple, succulent and indehiscent Ìdáhùn tó tọ́

multiple, succulent and dehiscent

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Natural Habitats (JAMB)

Natural Habitats

Wo Idahun

Ibeere 6 Ìròyìn

Growth can best be determined in a population of Spirogyra by measuring the

total length of the filament Ìdáhùn tó tọ́

total widths of the filaments

rate of photosynthesis in the population

dry weights of the organism

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Wo Idahun

Ibeere 7 Ìròyìn

Nitrifying bacteria are important because they

release nitrogen to the atmosphere

convert atmospheric nitrogen to ammonia

combine ammonia with nitrgen

oxidize ammmonium salt to nitrates Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nitrogen Cycle (WAEC)

Nitrogen Cycle

Wo Idahun

Ibeere 8 Ìròyìn

In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to

neutralize the acid in water

supply mineral salt to water plant Ìdáhùn tó tọ́

supply carbondioxide for photosynthesis

kill micro-organisms in water

Awọn alaye Idahun

Wo Idahun

Ibeere 9 Ìròyìn

The plantain reproduces asexually by

suckers Ìdáhùn tó tọ́

buds

fragments

spores

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Reproduction (Physical Changes In Males And Females) (WAEC)

Reproduction (Physical Changes In Males And Females)

Wo Idahun

Ibeere 10 Ìròyìn

An organism found on a bare rock surface has features of algae and fungi. The organism is

an epiphyte

a lichen Ìdáhùn tó tọ́

a bryophyte

a fern

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Forms In Which Living Cells Exist (WAEC)

Ka ìwé ẹ̀kọ́ nípa Animal Nutrition (WAEC)

Ka ìwé ẹ̀kọ́ nípa Mosses And Ferns (WAEC)

Forms In Which Living Cells Exist

Animal Nutrition

Mosses And Ferns

Wo Idahun

Ibeere 11 Ìròyìn

A characteristic that distinguishes bryophytes from flowering plants is the

possession of true stems and leaves

ability to reproduce asexually

absence of vascular tisssues Ìdáhùn tó tọ́

ability to grow in moist habitats

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Organization Of Life (WAEC)

Organization Of Life

Wo Idahun

Ibeere 12 Ìròyìn

Sclerenchyma cells are lignified to

strengthen and support the plant Ìdáhùn tó tọ́

transport synthesized food

conduct water and salt

protect the plant from injury

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Adaptive Colouration (WAEC)

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Adaptive Colouration

Cell Structure

Wo Idahun

Ibeere 13 Ìròyìn

Most cells in higher animals retain their power of division EXCEPT

lymphocytes

nerve cells Ìdáhùn tó tọ́

malpighian cells

germ cells

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Chromosomes: The Basis Of Heredity (WAEC)

Chromosomes: The Basis Of Heredity

Wo Idahun

Ibeere 14 Ìròyìn

Which of the following features of euglena is found only in animals?

Paramylum granules

Flagellum

Pellicle Ìdáhùn tó tọ́

Pyrenoid

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Cell Structure

Wo Idahun

Ibeere 15 Ìròyìn

A samara differs from a cypsela by having

an extended pericarp Ìdáhùn tó tọ́

a hard pericarp

a pericarp fused with seed coat

some hairy outgrowth on the pericarp

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Regulation Of Internal Environment (WAEC)

Ka ìwé ẹ̀kọ́ nípa Growth (JAMB)

Ka ìwé ẹ̀kọ́ nípa Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Ka ìwé ẹ̀kọ́ nípa The Ecology Of Populations (JAMB)

Ka ìwé ẹ̀kọ́ nípa Ecosystem (WAEC)

Regulation Of Internal Environment

Growth

Morphology Of Monocotyledonous And Dicotyledonous Plants

The Ecology Of Populations

Ecosystem

Wo Idahun

Ibeere 16 Ìròyìn

Which of the following is not a characteristics of snail?

Bilateral symmetry

Chitinous exoskeleton Ìdáhùn tó tọ́

Muscular foot

soft unsegmented body in mantle

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Organization Of Life (WAEC)

Organization Of Life

Wo Idahun

Ibeere 17 Ìròyìn

The hypha of Rhizopus is said to be non septate because it

does not contain chlorophyll

has no cross walls Ìdáhùn tó tọ́

is vacuolated

stores oil globules

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Wo Idahun

Ibeere 18 Ìròyìn

The vitamin which is important in the formation of the retina pigment is

vitamin A Ìdáhùn tó tọ́

vitamin B

vitamin C

vitamin D

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Population Studies By Sampling (WAEC)

Population Studies By Sampling

Wo Idahun

Ibeere 19 Ìròyìn

The crayfish is an arthropod because

its body consist of a cephalothorax and an abdomen

it has a pair each of antennae and antennules

every segment of its body carries a pair of appendages

its body is covered with an exoskeleton made of chitin Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Wo Idahun

Ibeere 20 Ìròyìn

In most true ferns sporangia are grouped into

indusium

fronds

prothalli

sari Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 21 Ìròyìn

The flower shown above is

complete, regular, hermaphroditic with superior ovary

incomplete, regular, staminate with inferior ovary

complete, regular, hermaphroditic with inferior ovary

Ìdáhùn tó tọ́

incomplete, irregular, pistillate with superior ovary

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

Wo Idahun

Ibeere 22 Ìròyìn

Which of the plants is likely to be desert species?

U Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 23 Ìròyìn

Secondary thickening is initiated in a dicotyledonous stem by the

xylem parenchyma

secondary phloem

endodermis

cambium Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nutrition (JAMB)

Nutrition

Wo Idahun

Ibeere 24 Ìròyìn

In tapeworm, the two structure that run throughout the length of the body are the

nerve cord and excretory duct Ìdáhùn tó tọ́

sperm duct and the nerve cord

genital pore and the excretory duct

sperm duct and the genital pore

Awọn alaye Idahun

Wo Idahun

Ibeere 25 Ìròyìn

One cubic centimeter of lymph is richer than an equal volume of blood in

erythrocytes

leucocytes Ìdáhùn tó tọ́

amino acid

glucose

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Sense Organs (Nose, Tongue & Skin) (WAEC)

Ka ìwé ẹ̀kọ́ nípa Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Sense Organs (Nose, Tongue & Skin)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Wo Idahun

Ibeere 26 Ìròyìn

The center for controlling body temperature in the brains is the

cerebrum

cerebellum

medulla

hypothalamus Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nervous Coordination (WAEC)

Nervous Coordination

Wo Idahun

Ibeere 27 Ìròyìn

A severe deficiency of thyroxin results in

diabetes mellitus

sexual underdevelopment

cretinism Ìdáhùn tó tọ́

gigantism

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heredity (JAMB)

Heredity

Wo Idahun

Ibeere 28 Ìròyìn

If a plant homozygous for round and yellow (RR : YY), is crossed with a wrinkle green type (rr : yy) all of the resulting seeds will be

blue and wrinkled

round and yellow Ìdáhùn tó tọ́

wrinkled and yellow

round and greenish yellow

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Probability In Genetics (Hybrid Formation) (WAEC)

Ka ìwé ẹ̀kọ́ nípa Genetic Terminologies (WAEC)

Ka ìwé ẹ̀kọ́ nípa Chromosomes: The Basis Of Heredity (WAEC)

Ka ìwé ẹ̀kọ́ nípa Linkage, Sex Determination And Sex Linked Characters (WAEC)

Probability In Genetics (Hybrid Formation)

Genetic Terminologies

Chromosomes: The Basis Of Heredity

Linkage, Sex Determination And Sex Linked Characters

Wo Idahun

Ibeere 29 Ìròyìn

The sequence of ear ossicles from the fenestra ovalis is

malleus, incus and stapes

malleus, stapes and incus

stapes, incus and malleus Ìdáhùn tó tọ́

stapes, malleuls and incus

Awọn alaye Idahun

Wo Idahun

Ibeere 30 Ìròyìn

Which of the following relates to edaphic factors?

The structure of the earth's surface

The influence of living organisms on each other

Temperature, rainfall and humidity

The influence of soils on plant and animals Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Ecosystem (WAEC)

Ecosystem

Wo Idahun

Ibeere 31 Ìròyìn

One of the functions of UNICEF is to

prevent and control major disease

prevent diseases outbreak by administering vaccines

improve the health and nutrition of children and nursing mothers

Ìdáhùn tó tọ́

monitir enviromental pollution

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Crime Detection (WAEC)

Ka ìwé ẹ̀kọ́ nípa Microorganisms Around Us (WAEC)

Crime Detection

Microorganisms Around Us

Wo Idahun

Ibeere 32 Ìròyìn

In a plant exhibiting alternation of generations, the diploid multicellular stage is known as

gametophyte

spermatophyte

holophyte

sporophyte Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 33 Ìròyìn

The function of the clitellum in the earthworm is to

aid digestion

prevent desiccation

assist locomotion

secrete cocoon Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 34 Ìròyìn

The functions of endoplasmic reticulum is

protein synthesis

intracellular transport of materials Ìdáhùn tó tọ́

digestion and destruction of foreign bodies

production of energy from glucose

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nucleic Acids (WAEC)

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Nucleic Acids

Cell Structure

Wo Idahun

Ibeere 35 Ìròyìn

Which of the following lists of organs is directly involved in nutrition?

Oesophagus, bronchus, stomach, pancreas and anus

spleen, pharynx, duodenum, jejunum and rectum

Teeth, oesophagus, ileum lungs and large intestine

Salivary gland, liver, stomach, villi and colon Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nutrition (JAMB)

Ka ìwé ẹ̀kọ́ nípa Alimentary System (WAEC)

Nutrition

Alimentary System

Wo Idahun

Ibeere 36 Ìròyìn

Poliomyelitis is an infectious diseases caused by

Virus Ìdáhùn tó tọ́

protozoan

bacterium

fungus

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Wo Idahun

Ibeere 37 Ìròyìn

An example of monohybride inheritance in man is

astigmatism

cretinism

hyperthyroidism

albinism Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Probability In Genetics (Hybrid Formation) (WAEC)

Ka ìwé ẹ̀kọ́ nípa Genetic Terminologies (WAEC)

Ka ìwé ẹ̀kọ́ nípa Chromosomes: The Basis Of Heredity (WAEC)

Ka ìwé ẹ̀kọ́ nípa Linkage, Sex Determination And Sex Linked Characters (WAEC)

Probability In Genetics (Hybrid Formation)

Genetic Terminologies

Chromosomes: The Basis Of Heredity

Linkage, Sex Determination And Sex Linked Characters

Wo Idahun

Ibeere 38 Ìròyìn

In which of the following crosses will all the female offspring be colour blind?

colour blind mother x colour blind father Ìdáhùn tó tọ́

colour blind mother x normal father

carrier mother x colour blind father

carrier mother x normal father

Awọn alaye Idahun

Wo Idahun

Ibeere 39 Ìròyìn

Which of the plants is likely to have broad leaves and thin cuticle

R Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nutrition (JAMB)

Ka ìwé ẹ̀kọ́ nípa Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

Wo Idahun

Ibeere 40 Ìròyìn

The growth of a coleoptile towards unilateral light source is due to

rapid rate of photosynthesis

unequal distribution of auxin Ìdáhùn tó tọ́

the effect of geotropism

the effect of photolysis

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Growth (JAMB)

Growth

Wo Idahun

Ibeere 41 Ìròyìn

Epiphytes growing on the branches of trees provide an example of the relationship known as

parasitism

commensalism Ìdáhùn tó tọ́

saprophytism

holophytism

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Reproductive System (WAEC)

Reproductive System

Wo Idahun

Ibeere 42 Ìròyìn

A good example of a disploblastic bryophytes from flowering plants is the

ameoba

hydra Ìdáhùn tó tọ́

earthworm

round worm

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Forms In Which Living Cells Exist (WAEC)

Ka ìwé ẹ̀kọ́ nípa Amoeba, Paramecium, And Euglena (WAEC)

Forms In Which Living Cells Exist

Amoeba, Paramecium, And Euglena

Wo Idahun

Ibeere 43 Ìròyìn

The function of the loop of Henle is to

increase the flow of urine

concentrate amino acids in the kidney tissue

concentrate sodium chloride in the medulla of the kidney Ìdáhùn tó tọ́

increase the volume of urine

Awọn alaye Idahun

Wo Idahun

Ibeere 44 Ìròyìn

Unlike auxins, gibberellins

induces the formation of adventitious roots

do not affect leaf and fruit abscission Ìdáhùn tó tọ́

cannot stimulate stem elongation

are quite effective as herbicides

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Identification Of Organisms Using Biological Keys (WAEC)

Identification Of Organisms Using Biological Keys

Wo Idahun

Ibeere 45 Ìròyìn

In the life history of butterfly, destruction of crops is caused by the

maggot

nymph

caterpillar Ìdáhùn tó tọ́

pupa

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

The Cell And Its Environment: Physical And Biophysical Processes

Wo Idahun

Ibeere 46 Ìròyìn

Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of

insufficient glucose

excess carbon dioxide

excess protein

insufficient oxygen Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Respiration (JAMB)

Ka ìwé ẹ̀kọ́ nípa Cellular Respiration (WAEC)

Ka ìwé ẹ̀kọ́ nípa The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Respiration

Cellular Respiration

The Cell And Its Environment: Physical And Biophysical Processes

Wo Idahun

Ibeere 47 Ìròyìn

In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to

prevent alga growth in culture solution Ìdáhùn tó tọ́

allow root growth

prevent breakdown of mineral elements

prevent photosynthesis in the root

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Plant Nutrition (WAEC)

Plant Nutrition

Wo Idahun

Ibeere 48 Ìròyìn

The correct sequence of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside is

pith, phloem, cambium, xylem, parenchyma, collenchyma and epidermis

xylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis

pith, xylem, cambium, phloem, collenchyma, parenchyma and epidermis Ìdáhùn tó tọ́

phhloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Adaptation For Survival (WAEC)

Ka ìwé ẹ̀kọ́ nípa Cell Cycle (WAEC)

Ka ìwé ẹ̀kọ́ nípa Nutrition (JAMB)

Ka ìwé ẹ̀kọ́ nípa Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Adaptation For Survival

Cell Cycle

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

Wo Idahun

Ibeere 49 Ìròyìn

The process by which lime is added to clay soil is known as

sedimentation

flocculation Ìdáhùn tó tọ́

leaching

manuring

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nutrient Cycling In Nature (WAEC)

Ka ìwé ẹ̀kọ́ nípa Soil (JAMB)

Ka ìwé ẹ̀kọ́ nípa Soil (WAEC)

Nutrient Cycling In Nature

Soil

Wo Idahun

Ibeere 50 Ìròyìn

A gene which expresses itself only in the homozygous condition is

a mutant

dominant

recessive Ìdáhùn tó tọ́

lethal

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Genetic Terminologies (WAEC)

Genetic Terminologies

Wo Idahun






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