JAMB UTME - Biology - 1987 | Green Bridge CBT

Pergunta 1 Relatório

A gene which expresses itself only in the homozygous condition is

a mutant

dominant

recessive Resposta correta

lethal

Detalhes da Resposta

Ler a nota de aula em Genetic Terminologies (WAEC)

Genetic Terminologies

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Pergunta 2 Relatório

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 Resposta correta

1 : 2

Detalhes da Resposta

Ler a nota de aula em Heredity (JAMB)

Heredity

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Pergunta 3 Relatório

Sclerenchyma cells are lignified to

strengthen and support the plant Resposta correta

transport synthesized food

conduct water and salt

protect the plant from injury

Detalhes da Resposta

Ler a nota de aula em Adaptive Colouration (WAEC)

Ler a nota de aula em Cell Structure (WAEC)

Adaptive Colouration

Cell Structure

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Pergunta 4 Relatório

A samara differs from a cypsela by having

an extended pericarp Resposta correta

a hard pericarp

a pericarp fused with seed coat

some hairy outgrowth on the pericarp

Detalhes da Resposta

Ler a nota de aula em Regulation Of Internal Environment (WAEC)

Ler a nota de aula em Growth (JAMB)

Ler a nota de aula em Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Ler a nota de aula em The Ecology Of Populations (JAMB)

Ler a nota de aula em Ecosystem (WAEC)

Regulation Of Internal Environment

Growth

Morphology Of Monocotyledonous And Dicotyledonous Plants

The Ecology Of Populations

Ecosystem

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Pergunta 5 Relatório

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

sedimentation

flocculation Resposta correta

leaching

manuring

Detalhes da Resposta

Ler a nota de aula em Nutrient Cycling In Nature (WAEC)

Ler a nota de aula em Soil (JAMB)

Ler a nota de aula em Soil (WAEC)

Nutrient Cycling In Nature

Soil

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Pergunta 6 Relatório

Unlike auxins, gibberellins

induces the formation of adventitious roots

do not affect leaf and fruit abscission Resposta correta

cannot stimulate stem elongation

are quite effective as herbicides

Detalhes da Resposta

Ler a nota de aula em Identification Of Organisms Using Biological Keys (WAEC)

Identification Of Organisms Using Biological Keys

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Pergunta 7 Relatório

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

ameoba

hydra Resposta correta

earthworm

round worm

Detalhes da Resposta

Ler a nota de aula em Forms In Which Living Cells Exist (WAEC)

Ler a nota de aula em Amoeba, Paramecium, And Euglena (WAEC)

Forms In Which Living Cells Exist

Amoeba, Paramecium, And Euglena

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Pergunta 8 Relatório

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 Resposta correta

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

Detalhes da Resposta

Ler a nota de aula em Adaptation For Survival (WAEC)

Ler a nota de aula em Cell Cycle (WAEC)

Ler a nota de aula em Nutrition (JAMB)

Ler a nota de aula em Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Adaptation For Survival

Cell Cycle

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

Ver Resposta

Pergunta 9 Relatório

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

gametophyte

spermatophyte

holophyte

sporophyte Resposta correta

Detalhes da Resposta

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Pergunta 10 Relatório

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

prevent alga growth in culture solution Resposta correta

allow root growth

prevent breakdown of mineral elements

prevent photosynthesis in the root

Detalhes da Resposta

Ler a nota de aula em Plant Nutrition (WAEC)

Plant Nutrition

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Pergunta 11 Relatório

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

Paramylum granules

Flagellum

Pellicle Resposta correta

Pyrenoid

Detalhes da Resposta

Ler a nota de aula em Cell Structure (WAEC)

Cell Structure

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Pergunta 12 Relatório

The center for controlling body temperature in the brains is the

cerebrum

cerebellum

medulla

hypothalamus Resposta correta

Detalhes da Resposta

Ler a nota de aula em Nervous Coordination (WAEC)

Nervous Coordination

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Pergunta 13 Relatório

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

R Resposta correta

Detalhes da Resposta

Ler a nota de aula em Nutrition (JAMB)

Ler a nota de aula em Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Pergunta 14 Relatório

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

insufficient glucose

excess carbon dioxide

excess protein

insufficient oxygen Resposta correta

Detalhes da Resposta

Ler a nota de aula em Respiration (JAMB)

Ler a nota de aula em Cellular Respiration (WAEC)

Ler a nota de aula em The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Respiration

Cellular Respiration

The Cell And Its Environment: Physical And Biophysical Processes

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Pergunta 15 Relatório

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 Resposta correta

Detalhes da Resposta

Ler a nota de aula em Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

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Pergunta 16 Relatório

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 Resposta correta

increase the volume of urine

Detalhes da Resposta

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Pergunta 17 Relatório

The oxidative part of the respiratory process takes place in the

mitochondria Resposta correta

ribosomes

endoplasmic reticulum

golgi bodies

Detalhes da Resposta

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Pergunta 18 Relatório

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

does not contain chlorophyll

has no cross walls Resposta correta

is vacuolated

stores oil globules

Detalhes da Resposta

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Pergunta 19 Relatório

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

rapid rate of photosynthesis

unequal distribution of auxin Resposta correta

the effect of geotropism

the effect of photolysis

Detalhes da Resposta

Ler a nota de aula em Growth (JAMB)

Growth

Ver Resposta

Pergunta 20 Relatório

A severe deficiency of thyroxin results in

diabetes mellitus

sexual underdevelopment

cretinism Resposta correta

gigantism

Detalhes da Resposta

Ler a nota de aula em Heredity (JAMB)

Heredity

Ver Resposta

Pergunta 21 Relatório

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

colour blind mother x colour blind father Resposta correta

colour blind mother x normal father

carrier mother x colour blind father

carrier mother x normal father

Detalhes da Resposta

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Pergunta 22 Relatório

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 Resposta correta

Detalhes da Resposta

Ler a nota de aula em Ecosystem (WAEC)

Ecosystem

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Pergunta 23 Relatório

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

Resposta correta

monitir enviromental pollution

Detalhes da Resposta

Ler a nota de aula em Crime Detection (WAEC)

Ler a nota de aula em Microorganisms Around Us (WAEC)

Crime Detection

Microorganisms Around Us

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Pergunta 24 Relatório

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

erythrocytes

leucocytes Resposta correta

amino acid

glucose

Detalhes da Resposta

Ler a nota de aula em Sense Organs (Nose, Tongue & Skin) (WAEC)

Ler a nota de aula em Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Sense Organs (Nose, Tongue & Skin)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Ver Resposta

Pergunta 25 Relatório

Which of the plants is likely to be desert species?

U Resposta correta

Detalhes da Resposta

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Pergunta 26 Relatório

In most true ferns sporangia are grouped into

indusium

fronds

prothalli

sari Resposta correta

Detalhes da Resposta

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Pergunta 27 Relatório

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

parasitism

commensalism Resposta correta

saprophytism

holophytism

Detalhes da Resposta

Ler a nota de aula em Reproductive System (WAEC)

Reproductive System

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Pergunta 28 Relatório

A flower showing radial symmetry is said to be

pentamerous

protandrous

protogynous

actinomorphic Resposta correta

Detalhes da Resposta

Ler a nota de aula em Body Symmetry, Sectioning And Orientation (WAEC)

Body Symmetry, Sectioning And Orientation

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Pergunta 29 Relatório

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

nerve cord and excretory duct Resposta correta

sperm duct and the nerve cord

genital pore and the excretory duct

sperm duct and the genital pore

Detalhes da Resposta

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Pergunta 30 Relatório

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 Resposta correta

Detalhes da Resposta

Ler a nota de aula em Nutrition (JAMB)

Ler a nota de aula em Alimentary System (WAEC)

Nutrition

Alimentary System

Ver Resposta

Pergunta 31 Relatório

Which of the following is not a characteristics of snail?

Bilateral symmetry

Chitinous exoskeleton Resposta correta

Muscular foot

soft unsegmented body in mantle

Detalhes da Resposta

Ler a nota de aula em Organization Of Life (WAEC)

Organization Of Life

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Pergunta 32 Relatório

The sequence of ear ossicles from the fenestra ovalis is

malleus, incus and stapes

malleus, stapes and incus

stapes, incus and malleus Resposta correta

stapes, malleuls and incus

Detalhes da Resposta

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Pergunta 33 Relatório

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 Resposta correta

supply carbondioxide for photosynthesis

kill micro-organisms in water

Detalhes da Resposta

Ver Resposta

Pergunta 34 Relatório

The plantain reproduces asexually by

suckers Resposta correta

buds

fragments

spores

Detalhes da Resposta

Ler a nota de aula em Reproduction (Physical Changes In Males And Females) (WAEC)

Reproduction (Physical Changes In Males And Females)

Ver Resposta

Pergunta 35 Relatório

Most cells in higher animals retain their power of division EXCEPT

lymphocytes

nerve cells Resposta correta

malpighian cells

germ cells

Detalhes da Resposta

Ler a nota de aula em Chromosomes: The Basis Of Heredity (WAEC)

Chromosomes: The Basis Of Heredity

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Pergunta 36 Relatório

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 Resposta correta

they produce spores

Detalhes da Resposta

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Pergunta 37 Relatório

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

vitamin A Resposta correta

vitamin B

vitamin C

vitamin D

Detalhes da Resposta

Ler a nota de aula em Population Studies By Sampling (WAEC)

Population Studies By Sampling

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Pergunta 38 Relatório

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 Resposta correta

Detalhes da Resposta

Ler a nota de aula em Nitrogen Cycle (WAEC)

Nitrogen Cycle

Ver Resposta

Pergunta 39 Relatório

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

maggot

nymph

caterpillar Resposta correta

pupa

Detalhes da Resposta

Ler a nota de aula em The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

The Cell And Its Environment: Physical And Biophysical Processes

Ver Resposta

Pergunta 40 Relatório

Secondary thickening is initiated in a dicotyledonous stem by the

xylem parenchyma

secondary phloem

endodermis

cambium Resposta correta

Detalhes da Resposta

Ler a nota de aula em Nutrition (JAMB)

Nutrition

Ver Resposta

Pergunta 41 Relatório

Poliomyelitis is an infectious diseases caused by

Virus Resposta correta

protozoan

bacterium

fungus

Detalhes da Resposta

Ler a nota de aula em Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Ver Resposta

Pergunta 42 Relatório

An example of monohybride inheritance in man is

astigmatism

cretinism

hyperthyroidism

albinism Resposta correta

Detalhes da Resposta

Ler a nota de aula em Probability In Genetics (Hybrid Formation) (WAEC)

Ler a nota de aula em Genetic Terminologies (WAEC)

Ler a nota de aula em Chromosomes: The Basis Of Heredity (WAEC)

Ler a nota de aula em 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

Ver Resposta

Pergunta 43 Relatório

A characteristic that distinguishes bryophytes from flowering plants is the

possession of true stems and leaves

ability to reproduce asexually

absence of vascular tisssues Resposta correta

ability to grow in moist habitats

Detalhes da Resposta

Ler a nota de aula em Organization Of Life (WAEC)

Organization Of Life

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Pergunta 44 Relatório

The flower shown above is

complete, regular, hermaphroditic with superior ovary

incomplete, regular, staminate with inferior ovary

complete, regular, hermaphroditic with inferior ovary

Resposta correta

incomplete, irregular, pistillate with superior ovary

Detalhes da Resposta

Ler a nota de aula em Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

Ver Resposta

Pergunta 45 Relatório

The functions of endoplasmic reticulum is

protein synthesis

intracellular transport of materials Resposta correta

digestion and destruction of foreign bodies

production of energy from glucose

Detalhes da Resposta

Ler a nota de aula em Nucleic Acids (WAEC)

Ler a nota de aula em Cell Structure (WAEC)

Nucleic Acids

Cell Structure

Ver Resposta

Pergunta 46 Relatório

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 Resposta correta

wrinkled and yellow

round and greenish yellow

Detalhes da Resposta

Ler a nota de aula em Probability In Genetics (Hybrid Formation) (WAEC)

Ler a nota de aula em Genetic Terminologies (WAEC)

Ler a nota de aula em Chromosomes: The Basis Of Heredity (WAEC)

Ler a nota de aula em 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

Ver Resposta

Pergunta 47 Relatório

The pineapple fruit is best described as

aggregate, succulent and indehiscent

aggregate, succulent and dehiscent

multiple, succulent and indehiscent Resposta correta

multiple, succulent and dehiscent

Detalhes da Resposta

Ler a nota de aula em Natural Habitats (JAMB)

Natural Habitats

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Pergunta 48 Relatório

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

total length of the filament Resposta correta

total widths of the filaments

rate of photosynthesis in the population

dry weights of the organism

Detalhes da Resposta

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Pergunta 49 Relatório

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

an epiphyte

a lichen Resposta correta

a bryophyte

a fern

Detalhes da Resposta

Ler a nota de aula em Forms In Which Living Cells Exist (WAEC)

Ler a nota de aula em Animal Nutrition (WAEC)

Ler a nota de aula em Mosses And Ferns (WAEC)

Forms In Which Living Cells Exist

Animal Nutrition

Mosses And Ferns

Ver Resposta

Pergunta 50 Relatório

The function of the clitellum in the earthworm is to

aid digestion

prevent desiccation

assist locomotion

secrete cocoon Resposta correta

Detalhes da Resposta

Ver Resposta






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