NECO SSCE - Biology - 2005 (Objective)

Question 1 Report

An example of a natural source of light energy is

electricity

food

heat

petrol

sun

Answer Details

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Question 2 Report

Which of the following enzymes requires acidic medium to function?

Amylase

Erepsin

Maltose

Pepsin

Ptyalin

Answer Details

Read lesson note on Protein Synthesis (WAEC)

Protein Synthesis

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Question 3 Report

In which region of the body is the diagram illustrated found?

Abdominal

Chest

Neck

Tail

Waist

Answer Details

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Question 4 Report

The practice of growing more than one type of crop on the same plot of land is called

continuous cropping

crop rotation

mixed cropping

mixed farming

subsistence farming

Answer Details

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

Read lesson note on Ecosystem (WAEC)

Evolution (Recombination DNA)

Ecosystem

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Question 5 Report

The gland that secretes the hormone glucagon is ... gland

adrenal

endocrine

pancreas

pituitary

thyroid

Answer Details

Read lesson note on Hormonal Coordination (WAEC)

Hormonal Coordination

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Question 6 Report

Blood carrying digested food from the small intestine flows into the liver via the

hepatic portal vein

hepatic vein

hepatic artery

mesenteric artery

renal vein

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 7 Report

Poor growth and yellowing of leaves in plants is due to deficiency of

boron

calcium

copper

iron

phosphorus

Answer Details

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

Read lesson note on Plant Nutrition (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

Plant Nutrition

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Question 8 Report

The speed of wind can be measured with an instrument called

anemometer

barometer

hygrometer

photometer

thermometer

Answer Details

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

Simple Measurement Of Ecological Factors

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Question 9 Report

Tsetse-fly is a vector of a disease known as

cholera

dysentery

elephantiasis

malaria

trypanosomiasis

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Question 10 Report

Which of the following does NOT occur during photosynthesis?

Carbon dioxide is evolved

Energy from the sun is utilized

Glucose is synthesized

Oxygen is given off

Split of water

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 11 Report

Which of these statements best defines pyramid of energy?

energy flow from one tropic level to another

energy flow from one habitat to another

the amount of energy in a given area

the loss of energy from one organism to another

the rate of energy flow in an area

Answer Details

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

Read lesson note on Nutrition (JAMB)

Ecological Management: Tolerance, Minimum And Maximum

Nutrition

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Question 12 Report

Which of the following is NOT an evidence of organic evolution?

Comparative anatomy

Embryology

Fossil records

Homologous features

Spontaneous generation.

Answer Details

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

Evolution (Theories and Evidence)

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Question 13 Report

The following are ways of caring for the mammalian skin EXCEPT

eating balanced diet

exposing the skin to adequate sunlight

using skin toning creams

using moisturising creams to prevent drying

washing the skin with clean water and soap

Answer Details

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

Read lesson note on Classification (WAEC)

Read lesson note on Support And Movement (JAMB)

Microorganisms: Man And Health

Classification

Support And Movement

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Question 14 Report

Autotrophs include all the following EXCEPT

chemosynthetic bacteria

diatoms

green plants

phytoplankton

zooplankton

Answer Details

Read lesson note on Modes Of Nutrition (WAEC)

Modes Of Nutrition

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Question 15 Report

Which of these is NOT a structural adaptation of desert plants for water conservation?

Broad leaves with many stomata

Leaves reduced into spines

Scale leaves

Stems and leaves with thick cuticle

Sunken stomata

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 16 Report

What type of fruit is pineapple?

Aggregate

Capsule

Complex

Multiple

Simple

Answer Details

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

Internal Structure Of A Flowering Plant

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Question 17 Report

The vitreous humour in the human eye assists in ...... of objects

contraction

conversion

reflection

refraction

retention

Answer Details

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

Sense Organs (Nose, Tongue & Skin)

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Question 18 Report

In a test for reducing sugar, the food substance is usually warmed with

Benedict’s solution

Millon’s reagent

Sodium hydroxide

Sudan III

1% copper II sulphate solution

Answer Details

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Question 19 Report

The process which reduces the nitrogen content of the soil is

ammonification

denitrification

nitrogen fixation

nitrification

putrefaction

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Nitrogen Cycle

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Question 20 Report

All these statements are correct about a vein EXCEPT that it

carries blood to the heart

contains blood at low pressure

has no valve

possesses fairly thick walls

usually carries deoxygenated blood

Answer Details

Read lesson note on Transport System (WAEC)

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

Read lesson note on Support And Movement (JAMB)

Transport System

Excretory Systems And Mechanisms; Types Of Excretory Systems

Support And Movement

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Question 21 Report

Which of the following is NOT a function of placenta in mammals?

absorption of food

gaseous exchange

removal of wastes

secretion of hormones

secretion of enzymes.

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Question 22 Report

ln mammals, fertilization takes place in the

ovary

oviduct

uterus

vagina

vulva

Answer Details

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

Reproduction (Courtship Behaviour In Animals)

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Question 23 Report

Birds excrete nitrogenous wastes in form of

ammonia

sweat

urea

uric acid

urine

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 24 Report

Which of the following processes removes carbon (IV) oxide from the atmosphere?

Combustion

Excretion

Photosynthesis

Respiration

Transpiration

Answer Details

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Question 25 Report

The association between a tapeworm and an infected mammal illustrates

commensalism

parasitism

predation

saprophytism

symbiosis.

Answer Details

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Question 26 Report

Which of these is a direct photosynthetic product?

fats

glucose

latex

protein

starch

Answer Details

Read lesson note on Modes Of Nutrition (WAEC)

Read lesson note on Nutrition (JAMB)

Modes Of Nutrition

Nutrition

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Question 27 Report

Deficiency of calcium in a child’s diet causes

cretinism

goiter

kwashiorkor

rickets

scurvy

Answer Details

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Question 28 Report

Which of these is NOT an example of heterotrophic mode of nutrition?

Holozoic

Holophytic

Parasitic

Saprophytic

Symbiotic

Answer Details

Read lesson note on Modes Of Nutrition (WAEC)

Read lesson note on Animal Nutrition (WAEC)

Modes Of Nutrition

Animal Nutrition

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Question 29 Report

Which of the following is NOT a type of supporting tissue in plants?

Cambium

Collenchyma

Parenchyma

Sclerenchyma

Xylem

Answer Details

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

Tissues And Supporting Systems:

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Question 30 Report

Which of the following fruits is an example of a caryopsis?

Cashew nut

Cornbretum

Maize

Orange

Tridax

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 31 Report

The following can increase crop production EXCEPT

erosion control

fertilizer application

mechanization

monocropping

pest control

Answer Details

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Question 32 Report

Which of the following organisms maintains a fairly constant body temperature?

Chicken

Fish

Lizard

Toad

Snake

Answer Details

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

Co-ordination And Control

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Question 33 Report

The medium of transportation in higher plants is

cell sap

cytoplasm fluid

phloem

water

xylem

Answer Details

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Question 34 Report

Dry, horny scales in reptiles help them to

carryout gaseous exchange

escape from predator

facilitate movement

look for mating partners

prevent water loss.

Answer Details

Read lesson note on Cell Structure (WAEC)

Read lesson note on Natural Habitats (JAMB)

Cell Structure

Natural Habitats

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Question 35 Report

An example of a carnivorous plant is

cassytha

lichen

mucor

mushroom

sundew

Answer Details

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

Forms In Which Living Cells Exist

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Question 36 Report

Which of these nitrogenous bases is NOT a part of RNA?

Adenine

Cytosine

Guanine

Thymine

Uracil

Answer Details

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

Read lesson note on Population Studies By Sampling (WAEC)

DNA Structure And Replication, RNA Transcription

Population Studies By Sampling

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Question 37 Report

An organism with identical allelic genes is described as

dihybrid

heterozygous

homozygous

monohybrid

recessive

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 38 Report

Which of the following is NOT a type of exoskeleton?

Cartilage

Chitin

Hoot

Nail

Shell

Answer Details

Read lesson note on Respiration (JAMB)

Respiration

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Question 39 Report

Which of the following does NOT influence plant growth?

Light

Nutrients

Temperature

Vitamins

Water

Answer Details

Read lesson note on Factors Affecting The Distribution Of Organisms (JAMB)

Factors Affecting The Distribution Of Organisms

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Question 40 Report

The number of chromosomes in a gamete is represented by

23n

46n

Answer Details

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

Chromosomes: The Basis Of Heredity

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Question 41 Report

A waterlogged habitat with low light penetration and very low quantity of dissolved oxygen best describes a/an habitat

estuarine

marine

sahel savanna

swampy

tropical rainforest

Answer Details

Read lesson note on Microorganisms Around Us (WAEC)

Microorganisms Around Us

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Question 42 Report

The following parts of the ear are involved in hearing EXCEPT

auditory meatus

cochlea

eardrum

eustachian tube

ossicles

Answer Details

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

Sense Organs (Nose, Tongue & Skin)

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Question 43 Report

Which of the following is a nitrifying bacterium?

Azotobacter

Clostridium

Nitrobacter

Rhizobium

Staphylococcus

Answer Details

Read lesson note on Microorganisms Around Us (WAEC)

Microorganisms Around Us

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Question 44 Report

ln the process of succession, a climax community is established when

a stable community is achieved

the colonizers accommodate the new corners

the colonizers are wiped out

the first inhabitants settle down

the new corners dominate the original inhabitants

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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