NECO SSCE - Biology - 2009 (Objective)

Question 1 Report

Which of the following enables mammals to maintain balance?

Cochlea

Eustucian tube

Ossicle

Semi-circular canal Correct answer

Tympanic membrane

Answer Details

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

Reproduction (Courtship Behaviour In Animals)

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Question 2 Report

Over-grazing encourages soil

acidity

conservation

erosion Correct answer

fertility

formation

Answer Details

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Ways Of Ensuring Conservation (WAEC)

Read lesson note on Soil (WAEC)

Animal Nutrition

Ways Of Ensuring Conservation

Soil

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Question 3 Report

Which of these organisms reproduces by budding?

Amoeba

Euglena

Hydra Correct answer

Paramecium

Volvox

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 4 Report

The products of respiration in higher plants are

carbondioxide, energy and starch

carbondioxide, energy and water Correct answer

carbondioxide, oxygen and water

carbondioxide, starch and water

glucose, energy and water

Answer Details

Read lesson note on Respiration (JAMB)

Read lesson note on Cellular Respiration (WAEC)

Respiration

Cellular Respiration

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Question 5 Report

Digested food is carried from small intestine to the liver by the

hepatic artery

hepatic portal vein Correct answer

hepatic vein

inferior vena cava

superior vena cava

Answer Details

Read lesson note on Transport System (WAEC)

Transport System

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Question 6 Report

These groups of bacteria are harmless EXCEPT

denitrifying

nitrifying

nitrogen-fixing

parasitic Correct answer

saprophytic

Answer Details

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

Read lesson note on Ecological Components (WAEC)

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

Ecological Components

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Question 7 Report

Which of these is NOT a pollutant?

Carbondioxide

Lead oxide

Nitrogen gas Correct answer

Nitrogen oxide

Sulphur dioxide

Answer Details

Read lesson note on Nutrient Cycling In Nature (WAEC)

Read lesson note on Humans And Environment (JAMB)

Nutrient Cycling In Nature

Humans And Environment

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Question 8 Report

The basic unit of classification of living things is the

class

genus

kingdom

phylum

species Correct answer

Answer Details

Read lesson note on Classification (WAEC)

Classification

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Question 9 Report

Root hairs are extensions of the

cortex

endodermis

epidermis Correct answer

piliferous layer

vascular bundle

Answer Details

Read lesson note on Support And Movement (JAMB)

Read lesson note on Cell Structure (WAEC)

Support And Movement

Cell Structure

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Question 10 Report

Which of these is a simple dehiscent fruit?

Achene

Cypsela

Legume Correct answer

Nut

Samara

Answer Details

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Question 11 Report

Fern plants carry out Photosynthesis in the

frond Correct answer

rhizome

sorus

stolon

thallus

Answer Details

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Question 12 Report

Exoskeleton is a characteristic feature of

amoeba

earthworm

hydra

millipede Correct answer

tapeworm

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 13 Report

Which of these influences growth movement in plants?

Acetic acid

Auxins Correct answer

Chlorophyll

Enzyme

Ethylene

Answer Details

Read lesson note on Natural Habitats (JAMB)

Natural Habitats

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Question 14 Report

The type of placentation found in tomato fruit is called

axile Correct answer

bisal

free central

marginal

parietal

Answer Details

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Question 15 Report

The topmost layer of a typical soil profile is

clay

coarse sand

fine sand

gravel

humus Correct answer

Answer Details

Read lesson note on Soil (JAMB)

Read lesson note on Soil (WAEC)

Soil

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Question 16 Report

Villi are finger-like structures found in the

large intestine

rectum

small intestine Correct answer

stomach

tongue

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 17 Report

Which of the following is bryophyte?

Bladderwort

Flytrap

Liverwort Correct answer

Pitcher

Sundew

Answer Details

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Question 18 Report

In a moss plant, spores are produced in the

capsule Correct answer

leaf

rhizoid

seta

stalk

Answer Details

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Question 19 Report

In mammals, tissue respiration takes place in the

alveoli

cells Correct answer

lungs

nose

trachea

Answer Details

Read lesson note on Cellular Respiration (WAEC)

Read lesson note on Cell Structure (WAEC)

Cellular Respiration

Cell Structure

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Question 20 Report

Which of the following is an abiotic factor in an ecosystem?

Food

Host

Parasite

Predator

Pressure Correct answer

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 21 Report

The part of the male reproductive organ where sperm cells are produced is called

epididymis

penis

seminal vesicle

seminiferous tubules Correct answer

vas deferens

Answer Details

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Question 22 Report

Which of these vertebrae is of the same number in man and rabbit?

Caudal

Cervical Correct answer

Lumber

Sacral

Thoracic

Answer Details

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Question 23 Report

Which of the following enzymes act on carbohydrates?

Amylase Correct answer

Lipase

Pepsin

Renin

Trypsin

Answer Details

Read lesson note on Protein Synthesis (WAEC)

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

Protein Synthesis

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Question 24 Report

These processes are involved in asexual reproduction EXCEPT

budding

fertilization Correct answer

fission

spore formation

vegetative propagation

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 25 Report

These animals exhibit camouflage EXCEPT

chameleon

crab Correct answer

crocodile

lizard

snake

Answer Details

Read lesson note on Adaptive Colouration (WAEC)

Adaptive Colouration

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Question 26 Report

The following processes release carbondioxide into the atmosphere EXCEPT

combustion

decomposition

putrefaction

respiration

transpiration Correct answer

Answer Details

Read lesson note on Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Question 27 Report

Which of the following is a characteristic of mollusc?

Bodies are protected by hard exoskeleton

Bodies are segmented

Body walls have three layers Correct answer

Presence of paired jointed appendages

The head bears a pair of antennae

Answer Details

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

Forms In Which Living Cells Exist

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Question 28 Report

Plants use Nitrogen in the form of

ammonia

ammonium

nitrates Correct answer

nitrites

urea

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Nitrogen Cycle

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Question 29 Report

Excess amino acids are converted into urea by the

heart

kidney

liver Correct answer

muscles

spleen

Answer Details

Read lesson note on Classification (WAEC)

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

Classification

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Question 30 Report

The following plants have self-pollinated flowers EXCEPT?

groundnut

okra Correct answer

rice

wheat

Answer Details

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

Reproduction (Courtship Behaviour In Animals)

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Question 31 Report

The structure in cell concerned with the synthesis of proteins is the

endoplasm reticulum

ribosome Correct answer

nucleus

plasma membrane

golgi apparatus

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 32 Report

The cortex of a herbaceous stem is made up of

collenchyma and parenchyma Correct answer

collenchyma and sclerenchyma

parenchyma and sclerenchma

pericycle and endodermis

sclerenthyma and endodermis

Answer Details

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

Read lesson note on Cell Structure (WAEC)

Tissues And Supporting Systems:

Cell Structure

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Question 33 Report

What will be the phenotypic ratio in the f1 generation, if a dominant red flowered plant (RR) is crossed with recessive white flowered plant (rr)?

1 red : 1 white

2 red : 0 white

3 red : 1 white

4 red : 0 white Correct answer

4 red : 4 white

Answer Details

Read lesson note on Genetic Terminologies (WAEC)

Genetic Terminologies

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Question 34 Report

The male reproductive part of a flower is made up of

anther and filament Correct answer

ovary and ovule

ovule and style

stigma and filament

style and stigma

Answer Details

Read lesson note on Integrated Water Resources Management (WAEC)

Read lesson note on Reproduction (JAMB)

Integrated Water Resources Management

Reproduction

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Question 35 Report

Which of these is NOT part of a seed?

Cotyledon

Embryo

Endosperm

Pericarp Correct answer

Testa

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 36 Report

Which of the following body characteristics distinguishes Ascaris from Earthworms?

Bilaterally symmetrical

Cylindrical

Segmented Correct answer

Soft

Unsegmented

Answer Details

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Classification (WAEC)

Organization Of Life

Classification

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Question 37 Report

Mycelium is a feature of

algae

bacteria

ferns

fungi Correct answer

viruses.

Answer Details

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Question 38 Report

Which of the following functions of the body are nephrons associated with?

Circulation

Digestion

Excretion Correct answer

Reproduction

Respiration

Answer Details

Read lesson note on Excretory System (WAEC)

Read lesson note on Plant Nutrition (WAEC)

Read lesson note on Excretion (JAMB)

Excretory System

Plant Nutrition

Excretion

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Question 39 Report

Which of the following processes converts nitrates in the soil to atmospheric nitrogen?

Denitrification Correct answer

Lightning

Nitrification

Putrefaction

Rainfall

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Nitrogen Cycle

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Question 40 Report

Cellular respiration occurs in the

chloroplast

endoplasmic reticulum

food vacuole

mitochondrion Correct answer

nucleus

Answer Details

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