JAMB UTME - Biology - 1987 | Green Bridge CBT

Question 1 Report

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

rapid rate of photosynthesis

unequal distribution of auxin

the effect of geotropism

the effect of photolysis

Answer Details

Read lesson note on Growth (JAMB)

Growth

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Question 2 Report

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

they produce spores

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Question 3 Report

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

wrinkled and yellow

round and greenish yellow

Answer Details

Read lesson note on Probability In Genetics (Hybrid Formation) (WAEC)

Read lesson note on Genetic Terminologies (WAEC)

Read lesson note on Chromosomes: The Basis Of Heredity (WAEC)

Read lesson note on 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

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Question 4 Report

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

total length of the filament

total widths of the filaments

rate of photosynthesis in the population

dry weights of the organism

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Question 5 Report

The flower shown above is

complete, regular, hermaphroditic with superior ovary

incomplete, regular, staminate with inferior ovary

complete, regular, hermaphroditic with inferior ovary

incomplete, irregular, pistillate with superior ovary

Answer Details

Read lesson note on Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

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Question 6 Report

Sclerenchyma cells are lignified to

strengthen and support the plant

transport synthesized food

conduct water and salt

protect the plant from injury

Answer Details

Read lesson note on Adaptive Colouration (WAEC)

Read lesson note on Cell Structure (WAEC)

Adaptive Colouration

Cell Structure

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Question 7 Report

In most true ferns sporangia are grouped into

indusium

fronds

prothalli

sari

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Question 8 Report

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

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 9 Report

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

gametophyte

spermatophyte

holophyte

sporophyte

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Question 10 Report

The plantain reproduces asexually by

suckers

buds

fragments

spores

Answer Details

Read lesson note on Reproduction (Physical Changes In Males And Females) (WAEC)

Reproduction (Physical Changes In Males And Females)

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Question 11 Report

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

1 : 2

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 12 Report

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

Answer Details

Read lesson note on Nutrition (JAMB)

Read lesson note on Alimentary System (WAEC)

Nutrition

Alimentary System

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Question 13 Report

The center for controlling body temperature in the brains is the

cerebrum

cerebellum

medulla

hypothalamus

Answer Details

Read lesson note on Nervous Coordination (WAEC)

Nervous Coordination

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Question 14 Report

The pineapple fruit is best described as

aggregate, succulent and indehiscent

aggregate, succulent and dehiscent

multiple, succulent and indehiscent

multiple, succulent and dehiscent

Answer Details

Read lesson note on Natural Habitats (JAMB)

Natural Habitats

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Question 15 Report

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

ameoba

hydra

earthworm

round worm

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Read lesson note on Amoeba, Paramecium, And Euglena (WAEC)

Forms In Which Living Cells Exist

Amoeba, Paramecium, And Euglena

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Question 16 Report

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

erythrocytes

leucocytes

amino acid

glucose

Answer Details

Read lesson note on Sense Organs (Nose, Tongue & Skin) (WAEC)

Read lesson note on Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Sense Organs (Nose, Tongue & Skin)

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Question 17 Report

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

sedimentation

flocculation

leaching

manuring

Answer Details

Read lesson note on Nutrient Cycling In Nature (WAEC)

Read lesson note on Soil (JAMB)

Read lesson note on Soil (WAEC)

Nutrient Cycling In Nature

Soil

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Question 18 Report

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

an epiphyte

a lichen

a bryophyte

a fern

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Mosses And Ferns (WAEC)

Forms In Which Living Cells Exist

Animal Nutrition

Mosses And Ferns

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Question 19 Report

The function of the clitellum in the earthworm is to

aid digestion

prevent desiccation

assist locomotion

secrete cocoon

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Question 20 Report

A samara differs from a cypsela by having

an extended pericarp

a hard pericarp

a pericarp fused with seed coat

some hairy outgrowth on the pericarp

Answer Details

Read lesson note on Regulation Of Internal Environment (WAEC)

Read lesson note on Growth (JAMB)

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Read lesson note on The Ecology Of Populations (JAMB)

Read lesson note on Ecosystem (WAEC)

Regulation Of Internal Environment

Growth

Morphology Of Monocotyledonous And Dicotyledonous Plants

The Ecology Of Populations

Ecosystem

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Question 21 Report

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

increase the volume of urine

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Question 22 Report

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

prevent alga growth in culture solution

allow root growth

prevent breakdown of mineral elements

prevent photosynthesis in the root

Answer Details

Read lesson note on Plant Nutrition (WAEC)

Plant Nutrition

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Question 23 Report

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

nerve cord and excretory duct

sperm duct and the nerve cord

genital pore and the excretory duct

sperm duct and the genital pore

Answer Details

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Question 24 Report

A severe deficiency of thyroxin results in

diabetes mellitus

sexual underdevelopment

cretinism

gigantism

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 25 Report

A gene which expresses itself only in the homozygous condition is

a mutant

dominant

recessive

lethal

Answer Details

Read lesson note on Genetic Terminologies (WAEC)

Genetic Terminologies

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Question 26 Report

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

maggot

nymph

caterpillar

pupa

Answer Details

Read lesson note on The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

The Cell And Its Environment: Physical And Biophysical Processes

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Question 27 Report

The oxidative part of the respiratory process takes place in the

mitochondria

ribosomes

endoplasmic reticulum

golgi bodies

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Question 28 Report

The functions of endoplasmic reticulum is

protein synthesis

intracellular transport of materials

digestion and destruction of foreign bodies

production of energy from glucose

Answer Details

Read lesson note on Nucleic Acids (WAEC)

Read lesson note on Cell Structure (WAEC)

Nucleic Acids

Cell Structure

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Question 29 Report

Most cells in higher animals retain their power of division EXCEPT

lymphocytes

nerve cells

malpighian cells

germ cells

Answer Details

Read lesson note on Chromosomes: The Basis Of Heredity (WAEC)

Chromosomes: The Basis Of Heredity

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Question 30 Report

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

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

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Question 31 Report

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

Paramylum granules

Flagellum

Pellicle

Pyrenoid

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 32 Report

An example of monohybride inheritance in man is

astigmatism

cretinism

hyperthyroidism

albinism

Answer Details

Read lesson note on Probability In Genetics (Hybrid Formation) (WAEC)

Read lesson note on Genetic Terminologies (WAEC)

Read lesson note on Chromosomes: The Basis Of Heredity (WAEC)

Read lesson note on 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

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Question 33 Report

Unlike auxins, gibberellins

induces the formation of adventitious roots

do not affect leaf and fruit abscission

cannot stimulate stem elongation

are quite effective as herbicides

Answer Details

Read lesson note on Identification Of Organisms Using Biological Keys (WAEC)

Identification Of Organisms Using Biological Keys

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Question 34 Report

Secondary thickening is initiated in a dicotyledonous stem by the

xylem parenchyma

secondary phloem

endodermis

cambium

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 35 Report

A characteristic that distinguishes bryophytes from flowering plants is the

possession of true stems and leaves

ability to reproduce asexually

absence of vascular tisssues

ability to grow in moist habitats

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 36 Report

A flower showing radial symmetry is said to be

pentamerous

protandrous

protogynous

actinomorphic

Answer Details

Read lesson note on Body Symmetry, Sectioning And Orientation (WAEC)

Body Symmetry, Sectioning And Orientation

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Question 37 Report

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

does not contain chlorophyll

has no cross walls

is vacuolated

stores oil globules

Answer Details

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Question 38 Report

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

supply carbondioxide for photosynthesis

kill micro-organisms in water

Answer Details

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Question 39 Report

The sequence of ear ossicles from the fenestra ovalis is

malleus, incus and stapes

malleus, stapes and incus

stapes, incus and malleus

stapes, malleuls and incus

Answer Details

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Question 40 Report

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

Answer Details

Read lesson note on Nutrition (JAMB)

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Question 41 Report

Which of the plants is likely to be desert species?

Answer Details

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Question 42 Report

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

vitamin A

vitamin B

vitamin C

vitamin D

Answer Details

Read lesson note on Population Studies By Sampling (WAEC)

Population Studies By Sampling

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Question 43 Report

Poliomyelitis is an infectious diseases caused by

Virus

protozoan

bacterium

fungus

Answer Details

Read lesson note on Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

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Question 44 Report

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

monitir enviromental pollution

Answer Details

Read lesson note on Crime Detection (WAEC)

Read lesson note on Microorganisms Around Us (WAEC)

Crime Detection

Microorganisms Around Us

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Question 45 Report

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

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Nitrogen Cycle

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Question 46 Report

Which of the following is not a characteristics of snail?

Bilateral symmetry

Chitinous exoskeleton

Muscular foot

soft unsegmented body in mantle

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 47 Report

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

colour blind mother x colour blind father

colour blind mother x normal father

carrier mother x colour blind father

carrier mother x normal father

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Question 48 Report

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

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

Answer Details

Read lesson note on Adaptation For Survival (WAEC)

Read lesson note on Cell Cycle (WAEC)

Read lesson note on Nutrition (JAMB)

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Adaptation For Survival

Cell Cycle

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Question 49 Report

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

insufficient glucose

excess carbon dioxide

excess protein

insufficient oxygen

Answer Details

Read lesson note on Respiration (JAMB)

Read lesson note on Cellular Respiration (WAEC)

Read lesson note on 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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Question 50 Report

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

parasitism

commensalism

saprophytism

holophytism

Answer Details

Read lesson note on Reproductive System (WAEC)

Reproductive System

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