NECO SSCE - Biology - 2001 (Objective)

Question 1 Report

Soil fertility is NOT conserved by

continuous cropping Correct answer

contour ridging

Crop rotation

Mulching

Terracing

Answer Details

Read lesson note on Ways Of Ensuring Conservation (WAEC)

Read lesson note on Population Studies By Sampling (WAEC)

Read lesson note on Soil (WAEC)

Read lesson note on Movement (WAEC)

Ways Of Ensuring Conservation

Population Studies By Sampling

Soil

Movement

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Question 2 Report

A cell that is capable of self existence is a/an

Amoeba Correct answer

Human cheek cell

Onion epidermal cell

ovum

spermatozoom

Answer Details

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

Forms In Which Living Cells Exist

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Question 3 Report

The process through which excess amino acids in the body are broken down into urea and a carbohydrate is called

deamination Correct answer

denaturation

detoxication

emulsification

excretion

Answer Details

Read lesson note on Excretory System (WAEC)

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

Excretory System

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Question 4 Report

Which is a morphological variation

Ability to taste PTC

Ability to roll the tongue

Behaviour

Blood group

Finger print Correct answer

Answer Details

Read lesson note on Physiological Variations (WAEC)

Physiological Variations

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Question 5 Report

The organelle which is contractile in function in Euglena is the

Chloroplast

Eyespot

Gullet Correct answer

Myoneme

Paramylon

Answer Details

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Question 6 Report

The structure that hydra uses to immobilize its prey is called

Enteron

Osteoblasts

Osteocysts Correct answer

Pneumatocysts

Pneumatophores.

Answer Details

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

Forms In Which Living Cells Exist

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Question 7 Report

What is NOT a kidney disease?

Cirrhosis Correct answer

Kidney stones

Nephritis

Uraemia

Wilm’s tumour

Answer Details

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Question 8 Report

Which caste is NOT found in termites?

Drone Correct answer

King

Queen

Soldier

Worker

Answer Details

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

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Classification (WAEC)

Read lesson note on Tissues And Supporting Systems: (WAEC)

Forms In Which Living Cells Exist

Organization Of Life

Classification

Tissues And Supporting Systems:

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Question 9 Report

Which plant stores food in its roots?

Cassava Correct answer

Cocoyam

Irish potato

Onion

Yam

Answer Details

Read lesson note on Plant Nutrition (WAEC)

Plant Nutrition

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Question 10 Report

What percentage of oxygen is contained in exhaled air?

21%

16% Correct answer

0.04%

Less than 0.01%

Answer Details

Read lesson note on Respiratory System (WAEC)

Respiratory System

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Question 11 Report

The genotype of a species with respect to a particular trait can be determined by carrying out

a back cross with a pure stock known to be recessive for that trait Correct answer

a cross between two F, generations that are heterozygous for the trait

a testcross with a pure stock known to be dominant for the trait

in-breeding among the members of the species

out-breeding with an exotic variety of the species

Answer Details

Read lesson note on Genetic Terminologies (WAEC)

Genetic Terminologies

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Question 12 Report

The tissue which carries organic food from its site of production to all other parts of the plant is called the

Cambium

Epidermis

Phloem Correct answer

Sclerenchyma

Xylem

Answer Details

Read lesson note on Transport System (WAEC)

Read lesson note on Tissues And Supporting Systems: (WAEC)

Transport System

Tissues And Supporting Systems:

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Question 13 Report

Which is the most ecologically viable method of insect pest control?

Draining all stagnant pools of water

Eliminating one of the development stages of the insect Correct answer

Employing a lot of labourers to physically handpick the insect pests

Erecting physical barriers against insect pests

Using stronger insecticides which can kill a greater number of insect.

Answer Details

Read lesson note on Integrated Water Resources Management (WAEC)

Read lesson note on Ecological Factors (WAEC)

Integrated Water Resources Management

Ecological Factors

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Question 14 Report

What is NOT a reflex action?

Blinking of an eye

Jerking of the knee

Leaning Correct answer

Salivating

Sneezing

Answer Details

Read lesson note on Nervous Coordination (WAEC)

Nervous Coordination

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Question 15 Report

The instrument used to measure the rate of transpiration in plants is called a/an

Anemometer

Barometer

Hydrometer

Photomer

Potometer Correct answer

Answer Details

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Question 16 Report

Which is NOT a carnivorous plant?

Bladderwort

Dodder plant Correct answer

Drosera

Pitcher plant

Venus flytrap

Answer Details

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Question 17 Report

Which world biomes can be found in Nigeria?

Afro-alpine

Coniferous forest

Dessert

Savannah Correct answer

Tundra

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 18 Report

Which is NOT a social animal?

Ant

Bee

Butterfly Correct answer

Termite

Wolf

Answer Details

Read lesson note on Behavioural Adaptations In Social Animals (WAEC)

Behavioural Adaptations In Social Animals

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Question 19 Report

Which is NOT an effect of the food shortage on a population?

Cannibalism

Competition

Increase in mortality

Increase in natality Correct answer

migration

Answer Details

Read lesson note on Growth (JAMB)

Read lesson note on Co-ordination And Control (JAMB)

Read lesson note on Natural Habitats (JAMB)

Growth

Co-ordination And Control

Natural Habitats

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Question 20 Report

The blood vessel that supplies blood rich in digested food to the liver is the

Hepatic artery

Hepatic portal artery

Hepatic portal vein Correct answer

Hepatic vein

Renal artery

Answer Details

Read lesson note on Transport System (WAEC)

Transport System

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Question 21 Report

Evidence of organic evolution can be deduced from all the following EXCEPT

Antecology Correct answer

Comparative anatomy

Embryology

Fossil records

Geographical distribution

Answer Details

Read lesson note on Theories Of Evolution (JAMB)

Read lesson note on Evolution (Theories and Evidence) (WAEC)

Theories Of Evolution

Evolution (Theories and Evidence)

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Question 22 Report

The gradient of land can be measured with an instrument called a/an

Aneroid barometer

Hygrometer

Metre rule

Secchi disc

Slope gauge Correct answer

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 23 Report

The scientist who propounded the theory of inheritance of acquired characters via use and disuse was

August Weismann

Charles Darwin

Gregory Mendel

Jean Lamarck Correct answer

Thomas Morgan

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 24 Report

Which scientist did NOT contribute to the formulation of the cell theory?

Isaac Newton Correct answer

Matthias Schleiden

Robert Hooke

Rudolf Virchow

Theodor Schwann

Answer Details

Read lesson note on Cell Theory (WAEC)

Cell Theory

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Question 25 Report

Which one is NOT an essential part of a flower?

Anther

Filament

Ovary

Peta Correct answer

Stigma

Answer Details

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

Internal Structure Of A Flowering Plant

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Question 26 Report

The toad’s long sticky tongue is an adaptation for

Catching insects Correct answer

Conserving water

Escaping from its predators

Regulating, body temperature

Securing mates

Answer Details

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Question 27 Report

The number of individuals of a species per unit area of the habitat can be best described as

Distribution

Frequency

Percentage cover

Population size

Population density Correct answer

Answer Details

Read lesson note on Co-ordination And Control (JAMB)

Co-ordination And Control

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Question 28 Report

What is NOT an abiotic factor?

Humidity

predators Correct answer

temperature

turbidity

wind

Answer Details

Read lesson note on Respiration (JAMB)

Read lesson note on Classification (WAEC)

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

Read lesson note on Movement (WAEC)

Read lesson note on Food Webs And Trophic Levels (WAEC)

Respiration

Classification

Excretory Systems And Mechanisms; Types Of Excretory Systems

Movement

Food Webs And Trophic Levels

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Question 29 Report

The vector of trypanosome is the

black fly

cockroach

house –fly

mosquito

Tsetse fly Correct answer

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Read lesson note on Microorganisms: Man And Health (WAEC)

Nitrogen Cycle

Microorganisms: Man And Health

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Question 30 Report

Under secretion of thyroxine before maturity causes an abnormality known as

Cretinism Correct answer

Gigantism

Dwarfism

Myxoedema

Obesity

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 31 Report

Which pollutant is likely to cause cholera?

agricultural wastes

industrial wastes

nuclear fallouts

oil spillages

untreated sewage Correct answer

Answer Details

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

Read lesson note on Evolution (Recombination DNA) (WAEC)

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

Evolution (Recombination DNA)

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Question 32 Report

Which organism is NOT a filter feeder?

Adult mosquito Correct answer

Copepod

Mosquito larva

Oyster

Whale

Answer Details

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Question 33 Report

Relative humidity can be measured with a/an

Anemometer

Barometer

Hydrometer

Hygrometer Correct answer

Photometer

Answer Details

Read lesson note on Classification (WAEC)

Classification

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Question 34 Report

The cell organelle, from which spindle fibers originate during cell division in animal cells is known as

Centrosome Correct answer

Chromosome

Leucoplast

Lysosome

Ribosome

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 35 Report

Which element is a micro element?

Iron

Magnesium

Manganese Correct answer

Phosphorus

Potassium.

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 36 Report

The movement of food in soluble form within the vascular bundles to all parts of the plant is known as

Diffusion

Evaporation

Transportation

Translocation Correct answer

Transpiration

Answer Details

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Question 37 Report

Which is NOT an adaptive feature of hydrophytes?

Air spaces in tissues for buoyancy

Broad leaves to enhance transpiration

Extensive root system for absorption of water Correct answer

Fibrous root for absorption of water

Waxy cuticle on leaves to prevent wetting

Answer Details

Read lesson note on Plant Nutrition (WAEC)

Plant Nutrition

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Question 38 Report

The vector of the malaria parasite is the

female anopheles mosquito Correct answer

female culex mosquito

male anopheles mosquito

male culex mosquito

Answer Details

Read lesson note on Evolution (Theories and Evidence) (WAEC)

Evolution (Theories and Evidence)

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Question 39 Report

Which is NOT a benefit of conservation of natural resources?

Permits nature studies

Preserves the beauty of nature

Prosecutes poachers Correct answer

Protects endangered species

Sources of revenue earning

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

View Answer

Question 40 Report

Which statement about a nerve cell is NOT correct?

Sensory neurones have their cell bodies in the ganglia along dorsal wall

The axon conduct impulses away from the cell body

The cell body consists of the nucleus and cytoplasm.

The cell bodies of the motor neurones are located in the white matter of the spinal cord. Correct answer

The dendrites transmit impulses towards the cell body

Answer Details

Read lesson note on Excretory System (WAEC)

Read lesson note on Mosses And Ferns (WAEC)

Read lesson note on Transmission And Expression Of Characteristics In Organisms (WAEC)

Read lesson note on Nervous Coordination (WAEC)

Excretory System

Mosses And Ferns

Transmission And Expression Of Characteristics In Organisms

Nervous Coordination

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Question 41 Report

Bacteria; which derive energy by oxidizing certain inorganic compounds, are said to be

Chemosynthetic Correct answer

Holozoic

Parasitic

Photosynthetic

Saprophytic

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

View Answer

Question 42 Report

Which plant hormone inhibits the development of lateral buds in plants

Abscisic acid

Auxins Correct answer

Cytokinins

Florigen

gberelIins

Answer Details

Read lesson note on Classification (WAEC)

Classification

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Question 43 Report

What type of association does an epiphyte on a tree trunk illustrate?

Cannibalism

Commensalism Correct answer

Parasitism

Saprophytism

Symbiosis

Answer Details

Read lesson note on Symbiotic Interactions Of Plants And Animals (JAMB)

Read lesson note on The Ecology Of Populations (JAMB)

Symbiotic Interactions Of Plants And Animals

The Ecology Of Populations

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Question 44 Report

Which disease is caused by a virus?

Cholera

Measles Correct answer

Tetanus

Typhoid

Tuberculosis

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 45 Report

The first bone of the vertebral column located in the neck region is called

Atlas Correct answer

Axis

Caudal.

Cervical.

Thoracic

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 46 Report

Which part of the brain regulates and co-ordinates muscular movements?

Cerebellum Correct answer

Cerebrum

Hypothalamus

Medulla oblongata

ThaIamus

Answer Details

Read lesson note on Nervous Coordination (WAEC)

Nervous Coordination

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