NECO SSCE - Biology - 2001 (Objective)

Swali 1 Ripoti

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

Diffusion

Evaporation

Transportation

Translocation Jibu sahihi

Transpiration

Maelezo ya Majibu

Tazama Jibu

Swali 2 Ripoti

What is NOT an abiotic factor?

Humidity

predators Jibu sahihi

temperature

turbidity

wind

Maelezo ya Majibu

Soma maelezo ya somo kwenye Respiration (JAMB)

Soma maelezo ya somo kwenye Classification (WAEC)

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Soma maelezo ya somo kwenye Movement (WAEC)

Soma maelezo ya somo kwenye Food Webs And Trophic Levels (WAEC)

Respiration

Classification

Excretory Systems And Mechanisms; Types Of Excretory Systems

Movement

Food Webs And Trophic Levels

Tazama Jibu

Swali 3 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Co-ordination And Control (JAMB)

Co-ordination And Control

Tazama Jibu

Swali 4 Ripoti

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

Hepatic artery

Hepatic portal artery

Hepatic portal vein Jibu sahihi

Hepatic vein

Renal artery

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport System (WAEC)

Transport System

Tazama Jibu

Swali 5 Ripoti

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

Chemosynthetic Jibu sahihi

Holozoic

Parasitic

Photosynthetic

Saprophytic

Maelezo ya Majibu

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Tazama Jibu

Swali 6 Ripoti

What percentage of oxygen is contained in exhaled air?

21%

16% Jibu sahihi

0.04%

Less than 0.01%

Maelezo ya Majibu

Soma maelezo ya somo kwenye Respiratory System (WAEC)

Respiratory System

Tazama Jibu

Swali 7 Ripoti

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

Cannibalism

Commensalism Jibu sahihi

Parasitism

Saprophytism

Symbiosis

Maelezo ya Majibu

Soma maelezo ya somo kwenye Symbiotic Interactions Of Plants And Animals (JAMB)

Soma maelezo ya somo kwenye The Ecology Of Populations (JAMB)

Symbiotic Interactions Of Plants And Animals

The Ecology Of Populations

Tazama Jibu

Swali 8 Ripoti

What is NOT a reflex action?

Blinking of an eye

Jerking of the knee

Leaning Jibu sahihi

Salivating

Sneezing

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nervous Coordination (WAEC)

Nervous Coordination

Tazama Jibu

Swali 9 Ripoti

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

August Weismann

Charles Darwin

Gregory Mendel

Jean Lamarck Jibu sahihi

Thomas Morgan

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heredity (JAMB)

Heredity

Tazama Jibu

Swali 10 Ripoti

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

Cambium

Epidermis

Phloem Jibu sahihi

Sclerenchyma

Xylem

Maelezo ya Majibu

Soma maelezo ya somo kwenye Transport System (WAEC)

Soma maelezo ya somo kwenye Tissues And Supporting Systems: (WAEC)

Transport System

Tissues And Supporting Systems:

Tazama Jibu

Swali 11 Ripoti

Which caste is NOT found in termites?

Drone Jibu sahihi

King

Queen

Soldier

Worker

Maelezo ya Majibu

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Soma maelezo ya somo kwenye Classification (WAEC)

Soma maelezo ya somo kwenye Tissues And Supporting Systems: (WAEC)

Forms In Which Living Cells Exist

Organization Of Life

Classification

Tissues And Supporting Systems:

Tazama Jibu

Swali 12 Ripoti

Which plant stores food in its roots?

Cassava Jibu sahihi

Cocoyam

Irish potato

Onion

Yam

Maelezo ya Majibu

Soma maelezo ya somo kwenye Plant Nutrition (WAEC)

Plant Nutrition

Tazama Jibu

Swali 13 Ripoti

Which element is a micro element?

Iron

Magnesium

Manganese Jibu sahihi

Phosphorus

Potassium.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Organization Of Life

Tazama Jibu

Swali 14 Ripoti

Soil fertility is NOT conserved by

continuous cropping Jibu sahihi

contour ridging

Crop rotation

Mulching

Terracing

Maelezo ya Majibu

Soma maelezo ya somo kwenye Ways Of Ensuring Conservation (WAEC)

Soma maelezo ya somo kwenye Population Studies By Sampling (WAEC)

Soma maelezo ya somo kwenye Soil (WAEC)

Soma maelezo ya somo kwenye Movement (WAEC)

Ways Of Ensuring Conservation

Population Studies By Sampling

Soil

Movement

Tazama Jibu

Swali 15 Ripoti

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

deamination Jibu sahihi

denaturation

detoxication

emulsification

excretion

Maelezo ya Majibu

Soma maelezo ya somo kwenye Excretory System (WAEC)

Soma maelezo ya somo kwenye Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Excretory System

Excretory Systems And Mechanisms; Types Of Excretory Systems

Tazama Jibu

Swali 16 Ripoti

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

Anemometer

Barometer

Hydrometer

Photomer

Potometer Jibu sahihi

Maelezo ya Majibu

Tazama Jibu

Swali 17 Ripoti

The organelle which is contractile in function in Euglena is the

Chloroplast

Eyespot

Gullet Jibu sahihi

Myoneme

Paramylon

Maelezo ya Majibu

Tazama Jibu

Swali 18 Ripoti

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 Jibu sahihi

Fibrous root for absorption of water

Waxy cuticle on leaves to prevent wetting

Maelezo ya Majibu

Soma maelezo ya somo kwenye Plant Nutrition (WAEC)

Plant Nutrition

Tazama Jibu

Swali 19 Ripoti

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

Cerebellum Jibu sahihi

Cerebrum

Hypothalamus

Medulla oblongata

ThaIamus

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nervous Coordination (WAEC)

Nervous Coordination

Tazama Jibu

Swali 20 Ripoti

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

Amoeba Jibu sahihi

Human cheek cell

Onion epidermal cell

ovum

spermatozoom

Maelezo ya Majibu

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Tazama Jibu

Swali 21 Ripoti

What is NOT a kidney disease?

Cirrhosis Jibu sahihi

Kidney stones

Nephritis

Uraemia

Wilm’s tumour

Maelezo ya Majibu

Tazama Jibu

Swali 22 Ripoti

The vector of trypanosome is the

black fly

cockroach

house –fly

mosquito

Tsetse fly Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Nitrogen Cycle (WAEC)

Soma maelezo ya somo kwenye Microorganisms: Man And Health (WAEC)

Nitrogen Cycle

Microorganisms: Man And Health

Tazama Jibu

Swali 23 Ripoti

The structure that hydra uses to immobilize its prey is called

Enteron

Osteoblasts

Osteocysts Jibu sahihi

Pneumatocysts

Pneumatophores.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Tazama Jibu

Swali 24 Ripoti

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

Aneroid barometer

Hygrometer

Metre rule

Secchi disc

Slope gauge Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Ecosystem (WAEC)

Ecosystem

Tazama Jibu

Swali 25 Ripoti

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 Jibu sahihi

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.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Integrated Water Resources Management (WAEC)

Soma maelezo ya somo kwenye Ecological Factors (WAEC)

Integrated Water Resources Management

Ecological Factors

Tazama Jibu

Swali 26 Ripoti

The toad’s long sticky tongue is an adaptation for

Catching insects Jibu sahihi

Conserving water

Escaping from its predators

Regulating, body temperature

Securing mates

Maelezo ya Majibu

Tazama Jibu

Swali 27 Ripoti

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

Antecology Jibu sahihi

Comparative anatomy

Embryology

Fossil records

Geographical distribution

Maelezo ya Majibu

Soma maelezo ya somo kwenye Theories Of Evolution (JAMB)

Soma maelezo ya somo kwenye Evolution (Theories and Evidence) (WAEC)

Theories Of Evolution

Evolution (Theories and Evidence)

Tazama Jibu

Swali 28 Ripoti

Relative humidity can be measured with a/an

Anemometer

Barometer

Hydrometer

Hygrometer Jibu sahihi

Photometer

Maelezo ya Majibu

Soma maelezo ya somo kwenye Classification (WAEC)

Classification

Tazama Jibu

Swali 29 Ripoti

Which is NOT a carnivorous plant?

Bladderwort

Dodder plant Jibu sahihi

Drosera

Pitcher plant

Venus flytrap

Maelezo ya Majibu

Tazama Jibu

Swali 30 Ripoti

Which organism is NOT a filter feeder?

Adult mosquito Jibu sahihi

Copepod

Mosquito larva

Oyster

Whale

Maelezo ya Majibu

Tazama Jibu

Swali 31 Ripoti

The vector of the malaria parasite is the

female anopheles mosquito Jibu sahihi

female culex mosquito

male anopheles mosquito

male culex mosquito

Maelezo ya Majibu

Soma maelezo ya somo kwenye Evolution (Theories and Evidence) (WAEC)

Evolution (Theories and Evidence)

Tazama Jibu

Swali 32 Ripoti

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

Atlas Jibu sahihi

Axis

Caudal.

Cervical.

Thoracic

Maelezo ya Majibu

Soma maelezo ya somo kwenye Organization Of Life (WAEC)

Organization Of Life

Tazama Jibu

Swali 33 Ripoti

Under secretion of thyroxine before maturity causes an abnormality known as

Cretinism Jibu sahihi

Gigantism

Dwarfism

Myxoedema

Obesity

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heredity (JAMB)

Heredity

Tazama Jibu

Swali 34 Ripoti

Which one is NOT an essential part of a flower?

Anther

Filament

Ovary

Peta Jibu sahihi

Stigma

Maelezo ya Majibu

Soma maelezo ya somo kwenye Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

Tazama Jibu

Swali 35 Ripoti

Which plant hormone inhibits the development of lateral buds in plants

Abscisic acid

Auxins Jibu sahihi

Cytokinins

Florigen

gberelIins

Maelezo ya Majibu

Soma maelezo ya somo kwenye Classification (WAEC)

Classification

Tazama Jibu

Swali 36 Ripoti

Which disease is caused by a virus?

Cholera

Measles Jibu sahihi

Tetanus

Typhoid

Tuberculosis

Maelezo ya Majibu

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Tazama Jibu

Swali 37 Ripoti

Which is NOT a social animal?

Ant

Bee

Butterfly Jibu sahihi

Termite

Wolf

Maelezo ya Majibu

Soma maelezo ya somo kwenye Behavioural Adaptations In Social Animals (WAEC)

Behavioural Adaptations In Social Animals

Tazama Jibu

Swali 38 Ripoti

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

Isaac Newton Jibu sahihi

Matthias Schleiden

Robert Hooke

Rudolf Virchow

Theodor Schwann

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cell Theory (WAEC)

Cell Theory

Tazama Jibu

Swali 39 Ripoti

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. Jibu sahihi

The dendrites transmit impulses towards the cell body

Maelezo ya Majibu

Soma maelezo ya somo kwenye Excretory System (WAEC)

Soma maelezo ya somo kwenye Mosses And Ferns (WAEC)

Soma maelezo ya somo kwenye Transmission And Expression Of Characteristics In Organisms (WAEC)

Soma maelezo ya somo kwenye Nervous Coordination (WAEC)

Excretory System

Mosses And Ferns

Transmission And Expression Of Characteristics In Organisms

Nervous Coordination

Tazama Jibu

Swali 40 Ripoti

Which world biomes can be found in Nigeria?

Afro-alpine

Coniferous forest

Dessert

Savannah Jibu sahihi

Tundra

Maelezo ya Majibu

Soma maelezo ya somo kwenye Ecosystem (WAEC)

Ecosystem

Tazama Jibu

Swali 41 Ripoti

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

Centrosome Jibu sahihi

Chromosome

Leucoplast

Lysosome

Ribosome

Maelezo ya Majibu

Soma maelezo ya somo kwenye Cell Structure (WAEC)

Cell Structure

Tazama Jibu

Swali 42 Ripoti

Which pollutant is likely to cause cholera?

agricultural wastes

industrial wastes

nuclear fallouts

oil spillages

untreated sewage Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Soma maelezo ya somo kwenye Evolution (Recombination DNA) (WAEC)

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

Evolution (Recombination DNA)

Tazama Jibu

Swali 43 Ripoti

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 Jibu sahihi

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

Maelezo ya Majibu

Soma maelezo ya somo kwenye Genetic Terminologies (WAEC)

Genetic Terminologies

Tazama Jibu

Swali 44 Ripoti

Which is a morphological variation

Ability to taste PTC

Ability to roll the tongue

Behaviour

Blood group

Finger print Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Physiological Variations (WAEC)

Physiological Variations

Tazama Jibu

Swali 45 Ripoti

Which is NOT a benefit of conservation of natural resources?

Permits nature studies

Preserves the beauty of nature

Prosecutes poachers Jibu sahihi

Protects endangered species

Sources of revenue earning

Maelezo ya Majibu

Soma maelezo ya somo kwenye Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Tazama Jibu

Swali 46 Ripoti

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

Cannibalism

Competition

Increase in mortality

Increase in natality Jibu sahihi

migration

Maelezo ya Majibu

Soma maelezo ya somo kwenye Growth (JAMB)

Soma maelezo ya somo kwenye Co-ordination And Control (JAMB)

Soma maelezo ya somo kwenye Natural Habitats (JAMB)

Growth

Co-ordination And Control

Natural Habitats

Tazama Jibu






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