NECO SSCE - Biology - 2004 (Objective)

Question 1 Report

Soil factors in an ecosystems are referred to as

biotic

climatic

edaphic Correct answer

physiographic

topographic

Answer Details

Read lesson note on Soil (JAMB)

Soil

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Question 2 Report

The tricuspid valve is located between the

left auricle and left ventricle

left and right auricles

right and left ventricles

right auricle and right ventricle Correct answer

right auricle and left ventricle

Answer Details

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Question 3 Report

Blood groups and tongue rolling are examples of

continuous variation

discontinuous variation Correct answer

variation due to environment

adaptive variation

sex-linked variation

Answer Details

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Question 4 Report

Which of the following is NOT a transmissible character?

dimple cheek

ability to roll tongue

colour blindness

sickle-cell anaemia

big muscles of a boxer Correct answer

Answer Details

Read lesson note on Genetic Terminologies (WAEC)

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

Read lesson note on Application Of The Principles Of Heredity (WAEC)

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

Genetic Terminologies

Chromosomes: The Basis Of Heredity

Application Of The Principles Of Heredity

Transmission And Expression Of Characteristics In Organisms

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Question 5 Report

Under secretion of thyroxine before maturity cause

cretinism Correct answer

gigantism

goiter

myxoedema

obesity

Answer Details

Read lesson note on Theories Of Evolution (JAMB)

Read lesson note on Linkage, Sex Determination And Sex Linked Characters (WAEC)

Theories Of Evolution

Linkage, Sex Determination And Sex Linked Characters

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Question 6 Report

An ovary with ovules arranged along its walls is said to have ------------ placentation.

axile

central

free central

marginal Correct answer

parietal

Answer Details

Read lesson note on Physiological Variations (WAEC)

Physiological Variations

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Question 7 Report

In savanna trees, thick corky bark is an adaption for

absorbing water

conserving water Correct answer

enhancing transpiration

reducing transpiration

resistance to bush fire

Answer Details

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Question 8 Report

Which of the following eye defects can be corrected with a bi-focal lens?

Astigmatism

Cataract

Hypermetropia

Myopia

Presbyopia Correct answer

Answer Details

Read lesson note on Sense Organs (Eyes & Ears) (WAEC)

Sense Organs (Eyes & Ears)

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Question 9 Report

All of these are vertebrates EXCEPT

lizard

rat

starfish Correct answer

tilapia fish

toad

Answer Details

Read lesson note on Ecology Of Population (WAEC)

Read lesson note on Classification (WAEC)

Ecology Of Population

Classification

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Question 10 Report

Stunted growth and reduced yield in cassava plant is as a result of a disease called

blight

leaf curl

leaf spot

mosaic Correct answer

smut

Answer Details

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Question 11 Report

The part of the kidney tubule where ultra filtration takes place is the

Bowman’s capsule Correct answer

distal convoluted tubule

Henle’s loop

main collecting tubule

proximal convoluted tubule

Answer Details

Read lesson note on Respiration (JAMB)

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

Respiration

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Question 12 Report

Food wastage is caused by the following EXCEPT

attack of moulds on farm crops

lack of access roads

lack of transportation

poor harvesting methods

proper storage Correct answer

Answer Details

Read lesson note on Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

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Question 13 Report

In terms of evolutionary trend, which of these invertebrates evolved first?

Annelida

Arthropoda

Coelentrata

Platyhelminthes

Protozoa Correct answer

Answer Details

Read lesson note on Variety Of Organisms (JAMB)

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

Variety Of Organisms

Evolution (Theories and Evidence)

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Question 14 Report

When a plant shows yellowing of leaves and stunted growth, the plant is deficient in

copper

iron Correct answer

manganese

silicon

zinc

Answer Details

Read lesson note on Classification (WAEC)

Read lesson note on Support And Movement (JAMB)

Classification

Support And Movement

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Question 15 Report

The correct sequence of energy transfer among living organisms in an ecosystem is

consumers - decomposers – producers

consumers - producers - decomposers

decomposers - producers- consumers

producers - consumers- decomposers Correct answer

producers - decomposers- consumers

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 16 Report

An organism that transmits pathogens is called a

prey

commensal

parasite

symbiont

vector Correct answer

Answer Details

Read lesson note on Biology And Water Industry (WAEC)

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

Read lesson note on Natural Habitats (JAMB)

Biology And Water Industry

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

Natural Habitats

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Question 17 Report

Which of these is NOT a method of improving crop yield?

spraying the crops with chemicals

mechanized farming

sowing pest resistant varieties of seeds

storing the crops in barns or silos Correct answer

sowing of viable seeds

Answer Details

Read lesson note on Adaptive Colouration (WAEC)

Adaptive Colouration

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Question 18 Report

The function of the ribosomes is the

absorption of carbon dioxide from the air

control of all the vital activities of the cell

provision of energy for cellular activities

synthesis of secretory products

synthesis of proteins and enzymes Correct answer

Answer Details

Read lesson note on DNA Structure And Replication, RNA Transcription (WAEC)

Read lesson note on Protein Synthesis (WAEC)

DNA Structure And Replication, RNA Transcription

Protein Synthesis

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Question 19 Report

Simple sugars are also called

cellulose

disaccharides

monosaccharides Correct answer

polysacchaiides

starch

Answer Details

Read lesson note on Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Read lesson note on Classification (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

Classification

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Question 20 Report

Xylem tissue consists of the following cells EXCEPT

sieve tubes Correct answer

tracheids

vessels

fibres

parenchyma

Answer Details

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Question 21 Report

The mouth part of a mosquito through which it sucks the blood of its victim is called

hypopharynx

mandible

labium

labrum

stylet Correct answer

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Question 22 Report

Mealy bugs are pests of

cassava Correct answer

cotton

maize

rice

yarn

Answer Details

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Question 23 Report

Which of the following factors does NOT affect photosynthesis?

carbon (iv) oxide

light intensity

relative humidity Correct answer

soil water

temperature

Answer Details

Read lesson note on Classification (WAEC)

Classification

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Question 24 Report

A feeding relationship in which both organisms benefit is referred to as

commensalism

parasitism

predation

saprophytism

symbiosis Correct answer

Answer Details

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Question 25 Report

The part of the skin which is excretory in function is the

adipose tissue

erector muscle

hair follicle

sebaceous gland

sweat gland Correct answer

Answer Details

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

Read lesson note on Excretion (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Excretion

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Question 26 Report

The removal of undigested food substances from the body is called

assimilation

egestion Correct answer

excretion

elimination

ingestion

Answer Details

Read lesson note on Structural Adaptation For Survival (WAEC)

Structural Adaptation For Survival

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Question 27 Report

Which of the following is NOT a type of finger print?

arch

compound

loop

simple Correct answer

whorl

Answer Details

Read lesson note on Classification (WAEC)

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

Classification

Behavioural Adaptations In Social Animals

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Question 28 Report

Cotton is an example of a/an crop.

fibre Correct answer

food

latex

oil

cereal

Answer Details

Read lesson note on Ways Of Ensuring Conservation (WAEC)

Read lesson note on Spirogyra And Rhizopus (WAEC)

Ways Of Ensuring Conservation

Spirogyra And Rhizopus

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Question 29 Report

Maximum and minimum thermometer is used for measuring

atmospheric pressure

highest and lowest amount of rainfall in habitat

highest and lowest temperature of the day Correct answer

light intensity

relative humidity

Answer Details

Read lesson note on Classification (WAEC)

Classification

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Question 30 Report

The enzyme ptyalin acts in the

large intestine

mouth Correct answer

oesophagus

small intestine

stomach

Answer Details

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Question 31 Report

The end product of glycolysis is

acetic acid

citric acid

ketoglutaric acid

oxaloacetic acid

pyruvic acid Correct answer

Answer Details

Read lesson note on DNA Structure And Replication, RNA Transcription (WAEC)

Read lesson note on Cellular Respiration (WAEC)

Read lesson note on Reproduction (JAMB)

Read lesson note on Spirogyra And Rhizopus (WAEC)

DNA Structure And Replication, RNA Transcription

Cellular Respiration

Reproduction

Spirogyra And Rhizopus

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Question 32 Report

The following are classes of dry in-dehiscent fruits EXCEPT

achene

caryopsis

cypsela

follicle

schizocarp Correct answer

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Classification (WAEC)

Read lesson note on Reproduction (Courtship Behaviour In Animals) (WAEC)

Read lesson note on Physiological Variations (WAEC)

Nitrogen Cycle

Organization Of Life

Classification

Reproduction (Courtship Behaviour In Animals)

Physiological Variations

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Question 33 Report

Plants that are found in extreme dry conditions are called

epiphytes

hydrophytes

mesophytes

thallophytes

xerophytes Correct answer

Answer Details

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Question 34 Report

The fluid in the inner ear is called

aqueous humour

endolymph Correct answer

lymphocyte

perilymph

vitreous humour

Answer Details

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

Sense Organs (Nose, Tongue & Skin)

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Question 35 Report

The plant cell is different from an animal cell because it has

cellulose cell-wall Correct answer

cytoplasmic content

centriole

mitochondria

nucleus

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 36 Report

Which of the following is NOT a characteristic of digestive enzymes?

changes in pH affect enzymes

enzymes react best at high temperature Correct answer

enzymes react reversibly

they are affected by intake of poisons

they are protein in nature

Answer Details

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Question 37 Report

Mycelium is a characteristic feature of

bacteria

hydra

moulds Correct answer

Mosses

yeasts

Answer Details

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

Read lesson note on Mosses And Ferns (WAEC)

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

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

Forms In Which Living Cells Exist

Mosses And Ferns

Excretory Systems And Mechanisms; Types Of Excretory Systems

Amoeba, Paramecium, And Euglena

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Question 38 Report

The tropical rainforest region is characterized by the following EXCEPT

abundant grasses Correct answer

abundant rainfall

abundant trees and shrubs

high humidity

low temperature

Answer Details

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Question 39 Report

Which of the following is released from car exhaust due to incomplete combustion of fuel?

carbon dioxide

carbon monoxide Correct answer

nitrogen dioxide

oxygen

sulphur dioxide

Answer Details

Read lesson note on Linkage, Sex Determination And Sex Linked Characters (WAEC)

Read lesson note on Ecosystem (WAEC)

Linkage, Sex Determination And Sex Linked Characters

Ecosystem

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Question 40 Report

In which of the following blood vessels does exchange of materials occur

arteries

arterioles

capillaries Correct answer

venules

veins

Answer Details

Read lesson note on Transport System (WAEC)

Read lesson note on Nutrition (JAMB)

Transport System

Nutrition

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Question 41 Report

Which of the following deaminates excess amino acids?

Duodenum

Ileum

Kidney

Liver Correct answer

Pancreas

Answer Details

Read lesson note on Excretory System (WAEC)

Read lesson note on Nucleic Acids (WAEC)

Excretory System

Nucleic Acids

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Question 42 Report

Intestinal juice contains the following enzymes EXCEPT

erepsin

lipase

maltase

sucrose

trypsin Correct answer

Answer Details

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Question 43 Report

Reflex action is controlled by

cerebellum

cerebrum

medulla oblongata Correct answer

olfactory lobe

pineal body

Answer Details

Read lesson note on Simple Measurement Of Ecological Factors (WAEC)

Read lesson note on Nervous Coordination (WAEC)

Simple Measurement Of Ecological Factors

Nervous Coordination

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Question 44 Report

The glomerular filtrate contains the following substances EXCEPT

blood cells Correct answer

glucose

mineral salts

Water

urea

Answer Details

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

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Question 45 Report

Which of the following is NOT an application of variation?

adaptation for survival Correct answer

blood transfusion

crime detection

determination of paternity

marriage counseling

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 46 Report

A typical lumbar vertebrae does NOT have

centrum

neural arch

neural spine

neural canal

vertebrartenal canal Correct answer

Answer Details

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

Tissues And Supporting Systems:

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