NECO SSCE - Biology - 2001 (Objective)

Vraag 1 Verslag

The organelle which is contractile in function in Euglena is the

Chloroplast

Eyespot

Gullet Juist antwoord

Myoneme

Paramylon

Antwoorddetails

Bekijk antwoord

Vraag 2 Verslag

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 Juist antwoord

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.

Antwoorddetails

Lees lesnotitie op Integrated Water Resources Management (WAEC)

Lees lesnotitie op Ecological Factors (WAEC)

Integrated Water Resources Management

Ecological Factors

Bekijk antwoord

Vraag 3 Verslag

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

Cambium

Epidermis

Phloem Juist antwoord

Sclerenchyma

Xylem

Antwoorddetails

Lees lesnotitie op Transport System (WAEC)

Lees lesnotitie op Tissues And Supporting Systems: (WAEC)

Transport System

Tissues And Supporting Systems:

Bekijk antwoord

Vraag 4 Verslag

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

Centrosome Juist antwoord

Chromosome

Leucoplast

Lysosome

Ribosome

Antwoorddetails

Lees lesnotitie op Cell Structure (WAEC)

Cell Structure

Bekijk antwoord

Vraag 5 Verslag

What percentage of oxygen is contained in exhaled air?

21%

16% Juist antwoord

0.04%

Less than 0.01%

Antwoorddetails

Lees lesnotitie op Respiratory System (WAEC)

Respiratory System

Bekijk antwoord

Vraag 6 Verslag

Which plant hormone inhibits the development of lateral buds in plants

Abscisic acid

Auxins Juist antwoord

Cytokinins

Florigen

gberelIins

Antwoorddetails

Lees lesnotitie op Classification (WAEC)

Classification

Bekijk antwoord

Vraag 7 Verslag

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

Atlas Juist antwoord

Axis

Caudal.

Cervical.

Thoracic

Antwoorddetails

Lees lesnotitie op Organization Of Life (WAEC)

Organization Of Life

Bekijk antwoord

Vraag 8 Verslag

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

Diffusion

Evaporation

Transportation

Translocation Juist antwoord

Transpiration

Antwoorddetails

Bekijk antwoord

Vraag 9 Verslag

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

deamination Juist antwoord

denaturation

detoxication

emulsification

excretion

Antwoorddetails

Lees lesnotitie op Excretory System (WAEC)

Lees lesnotitie op Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Excretory System

Excretory Systems And Mechanisms; Types Of Excretory Systems

Bekijk antwoord

Vraag 10 Verslag

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

Cannibalism

Competition

Increase in mortality

Increase in natality Juist antwoord

migration

Antwoorddetails

Lees lesnotitie op Growth (JAMB)

Lees lesnotitie op Co-ordination And Control (JAMB)

Lees lesnotitie op Natural Habitats (JAMB)

Growth

Co-ordination And Control

Natural Habitats

Bekijk antwoord

Vraag 11 Verslag

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

Amoeba Juist antwoord

Human cheek cell

Onion epidermal cell

ovum

spermatozoom

Antwoorddetails

Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Bekijk antwoord

Vraag 12 Verslag

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

Chemosynthetic Juist antwoord

Holozoic

Parasitic

Photosynthetic

Saprophytic

Antwoorddetails

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Bekijk antwoord

Vraag 13 Verslag

The toad’s long sticky tongue is an adaptation for

Catching insects Juist antwoord

Conserving water

Escaping from its predators

Regulating, body temperature

Securing mates

Antwoorddetails

Bekijk antwoord

Vraag 14 Verslag

Which plant stores food in its roots?

Cassava Juist antwoord

Cocoyam

Irish potato

Onion

Yam

Antwoorddetails

Lees lesnotitie op Plant Nutrition (WAEC)

Plant Nutrition

Bekijk antwoord

Vraag 15 Verslag

What is NOT a reflex action?

Blinking of an eye

Jerking of the knee

Leaning Juist antwoord

Salivating

Sneezing

Antwoorddetails

Lees lesnotitie op Nervous Coordination (WAEC)

Nervous Coordination

Bekijk antwoord

Vraag 16 Verslag

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

Hepatic artery

Hepatic portal artery

Hepatic portal vein Juist antwoord

Hepatic vein

Renal artery

Antwoorddetails

Lees lesnotitie op Transport System (WAEC)

Transport System

Bekijk antwoord

Vraag 17 Verslag

The vector of trypanosome is the

black fly

cockroach

house –fly

mosquito

Tsetse fly Juist antwoord

Antwoorddetails

Lees lesnotitie op Nitrogen Cycle (WAEC)

Lees lesnotitie op Microorganisms: Man And Health (WAEC)

Nitrogen Cycle

Microorganisms: Man And Health

Bekijk antwoord

Vraag 18 Verslag

What is NOT a kidney disease?

Cirrhosis Juist antwoord

Kidney stones

Nephritis

Uraemia

Wilm’s tumour

Antwoorddetails

Bekijk antwoord

Vraag 19 Verslag

Which caste is NOT found in termites?

Drone Juist antwoord

King

Queen

Soldier

Worker

Antwoorddetails

Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Lees lesnotitie op Organization Of Life (WAEC)

Lees lesnotitie op Classification (WAEC)

Lees lesnotitie op Tissues And Supporting Systems: (WAEC)

Forms In Which Living Cells Exist

Organization Of Life

Classification

Tissues And Supporting Systems:

Bekijk antwoord

Vraag 20 Verslag

Which is NOT a carnivorous plant?

Bladderwort

Dodder plant Juist antwoord

Drosera

Pitcher plant

Venus flytrap

Antwoorddetails

Bekijk antwoord

Vraag 21 Verslag

Which disease is caused by a virus?

Cholera

Measles Juist antwoord

Tetanus

Typhoid

Tuberculosis

Antwoorddetails

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Bekijk antwoord

Vraag 22 Verslag

Which is NOT a social animal?

Ant

Bee

Butterfly Juist antwoord

Termite

Wolf

Antwoorddetails

Lees lesnotitie op Behavioural Adaptations In Social Animals (WAEC)

Behavioural Adaptations In Social Animals

Bekijk antwoord

Vraag 23 Verslag

Which element is a micro element?

Iron

Magnesium

Manganese Juist antwoord

Phosphorus

Potassium.

Antwoorddetails

Lees lesnotitie op Organization Of Life (WAEC)

Organization Of Life

Bekijk antwoord

Vraag 24 Verslag

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 Juist antwoord

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

Antwoorddetails

Lees lesnotitie op Genetic Terminologies (WAEC)

Genetic Terminologies

Bekijk antwoord

Vraag 25 Verslag

Relative humidity can be measured with a/an

Anemometer

Barometer

Hydrometer

Hygrometer Juist antwoord

Photometer

Antwoorddetails

Lees lesnotitie op Classification (WAEC)

Classification

Bekijk antwoord

Vraag 26 Verslag

The vector of the malaria parasite is the

female anopheles mosquito Juist antwoord

female culex mosquito

male anopheles mosquito

male culex mosquito

Antwoorddetails

Lees lesnotitie op Evolution (Theories and Evidence) (WAEC)

Evolution (Theories and Evidence)

Bekijk antwoord

Vraag 27 Verslag

Under secretion of thyroxine before maturity causes an abnormality known as

Cretinism Juist antwoord

Gigantism

Dwarfism

Myxoedema

Obesity

Antwoorddetails

Lees lesnotitie op Heredity (JAMB)

Heredity

Bekijk antwoord

Vraag 28 Verslag

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

Cerebellum Juist antwoord

Cerebrum

Hypothalamus

Medulla oblongata

ThaIamus

Antwoorddetails

Lees lesnotitie op Nervous Coordination (WAEC)

Nervous Coordination

Bekijk antwoord

Vraag 29 Verslag

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

Isaac Newton Juist antwoord

Matthias Schleiden

Robert Hooke

Rudolf Virchow

Theodor Schwann

Antwoorddetails

Lees lesnotitie op Cell Theory (WAEC)

Cell Theory

Bekijk antwoord

Vraag 30 Verslag

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

Anemometer

Barometer

Hydrometer

Photomer

Potometer Juist antwoord

Antwoorddetails

Bekijk antwoord

Vraag 31 Verslag

Which one is NOT an essential part of a flower?

Anther

Filament

Ovary

Peta Juist antwoord

Stigma

Antwoorddetails

Lees lesnotitie op Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

Bekijk antwoord

Vraag 32 Verslag

The structure that hydra uses to immobilize its prey is called

Enteron

Osteoblasts

Osteocysts Juist antwoord

Pneumatocysts

Pneumatophores.

Antwoorddetails

Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Bekijk antwoord

Vraag 33 Verslag

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

Antecology Juist antwoord

Comparative anatomy

Embryology

Fossil records

Geographical distribution

Antwoorddetails

Lees lesnotitie op Theories Of Evolution (JAMB)

Lees lesnotitie op Evolution (Theories and Evidence) (WAEC)

Theories Of Evolution

Evolution (Theories and Evidence)

Bekijk antwoord

Vraag 34 Verslag

Which world biomes can be found in Nigeria?

Afro-alpine

Coniferous forest

Dessert

Savannah Juist antwoord

Tundra

Antwoorddetails

Lees lesnotitie op Ecosystem (WAEC)

Ecosystem

Bekijk antwoord

Vraag 35 Verslag

Which is NOT a benefit of conservation of natural resources?

Permits nature studies

Preserves the beauty of nature

Prosecutes poachers Juist antwoord

Protects endangered species

Sources of revenue earning

Antwoorddetails

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Bekijk antwoord

Vraag 36 Verslag

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

Aneroid barometer

Hygrometer

Metre rule

Secchi disc

Slope gauge Juist antwoord

Antwoorddetails

Lees lesnotitie op Ecosystem (WAEC)

Ecosystem

Bekijk antwoord

Vraag 37 Verslag

Soil fertility is NOT conserved by

continuous cropping Juist antwoord

contour ridging

Crop rotation

Mulching

Terracing

Antwoorddetails

Lees lesnotitie op Ways Of Ensuring Conservation (WAEC)

Lees lesnotitie op Population Studies By Sampling (WAEC)

Lees lesnotitie op Soil (WAEC)

Lees lesnotitie op Movement (WAEC)

Ways Of Ensuring Conservation

Population Studies By Sampling

Soil

Movement

Bekijk antwoord

Vraag 38 Verslag

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

Cannibalism

Commensalism Juist antwoord

Parasitism

Saprophytism

Symbiosis

Antwoorddetails

Lees lesnotitie op Symbiotic Interactions Of Plants And Animals (JAMB)

Lees lesnotitie op The Ecology Of Populations (JAMB)

Symbiotic Interactions Of Plants And Animals

The Ecology Of Populations

Bekijk antwoord

Vraag 39 Verslag

Which is a morphological variation

Ability to taste PTC

Ability to roll the tongue

Behaviour

Blood group

Finger print Juist antwoord

Antwoorddetails

Lees lesnotitie op Physiological Variations (WAEC)

Physiological Variations

Bekijk antwoord

Vraag 40 Verslag

What is NOT an abiotic factor?

Humidity

predators Juist antwoord

temperature

turbidity

wind

Antwoorddetails

Lees lesnotitie op Respiration (JAMB)

Lees lesnotitie op Classification (WAEC)

Lees lesnotitie op Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Lees lesnotitie op Movement (WAEC)

Lees lesnotitie op Food Webs And Trophic Levels (WAEC)

Respiration

Classification

Excretory Systems And Mechanisms; Types Of Excretory Systems

Movement

Food Webs And Trophic Levels

Bekijk antwoord

Vraag 41 Verslag

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

August Weismann

Charles Darwin

Gregory Mendel

Jean Lamarck Juist antwoord

Thomas Morgan

Antwoorddetails

Lees lesnotitie op Heredity (JAMB)

Heredity

Bekijk antwoord

Vraag 42 Verslag

Which pollutant is likely to cause cholera?

agricultural wastes

industrial wastes

nuclear fallouts

oil spillages

untreated sewage Juist antwoord

Antwoorddetails

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lees lesnotitie op Evolution (Recombination DNA) (WAEC)

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

Evolution (Recombination DNA)

Bekijk antwoord

Vraag 43 Verslag

Which organism is NOT a filter feeder?

Adult mosquito Juist antwoord

Copepod

Mosquito larva

Oyster

Whale

Antwoorddetails

Bekijk antwoord

Vraag 44 Verslag

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. Juist antwoord

The dendrites transmit impulses towards the cell body

Antwoorddetails

Lees lesnotitie op Excretory System (WAEC)

Lees lesnotitie op Mosses And Ferns (WAEC)

Lees lesnotitie op Transmission And Expression Of Characteristics In Organisms (WAEC)

Lees lesnotitie op Nervous Coordination (WAEC)

Excretory System

Mosses And Ferns

Transmission And Expression Of Characteristics In Organisms

Nervous Coordination

Bekijk antwoord

Vraag 45 Verslag

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 Juist antwoord

Antwoorddetails

Lees lesnotitie op Co-ordination And Control (JAMB)

Co-ordination And Control

Bekijk antwoord

Vraag 46 Verslag

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 Juist antwoord

Fibrous root for absorption of water

Waxy cuticle on leaves to prevent wetting

Antwoorddetails

Lees lesnotitie op Plant Nutrition (WAEC)

Plant Nutrition

Bekijk antwoord






Druk & Houd Vast om te Verslepen
Klik hier om te sluiten