2008 NECO Biology Past Questions & Answers

Question 1

The structure that separates the thoracic from abdominal cavity is

Accepted Answer

A. diaphragm

Answer

B. intercostal muscle

Answer

C. rib

Answer

D. sternum

Answer

E. thoraxic vertebrae

Question 2

During fertilization, the direction in which the pollen tube grows is controlled by

Accepted Answer

D. pollen tube nucleus

Answer

A. Ovary

Answer

B. ovule

Answer

C. pollen grains

Answer

E. style

Question 3

Which of the following is NOT a natural method of birth control?

Accepted Answer

D. Use of condom

Answer

A. Abstaining from sex

Answer

B. Prolonged breast feeding

Answer

C. Rhythm method

Answer

E. Withdrawal method

Question 4

The following are functions of the liver EXCEPT

Accepted Answer

C. manufacture of blood plasma

Answer

A. deamination of excess amino acids and proteins

Answer

B. excretion of bile pigments

Answer

D. production of heat

Answer

E. storage of vitamins and minerals

Question 5

Loamy soil - is used for crop production because of its

Accepted Answer

A. high humus content

Answer

B. high percentage of clay

Answer

C. high porosity

Answer

D. low gravel content

Answer

E. low humus content

Question 6

The following are the functions of a worker termite EXCEPT

Accepted Answer

E. protecting the nest

Answer

A. building of tunnels

Answer

B. construction of fungus garden

Answer

C. feeding the young

Answer

D. fetching food

Question 7

What will the phenotypic ratio when a tall pea plant (TT) is crossed with a short pea plant (Tt)?

Accepted Answer

E. 4:00

Answer

A. 0:04

Answer

B. 1:03

Answer

C. 2:02

Answer

D. 3:01

Question 8

Crime detection in a forensic laboratory involves the use of

Accepted Answer

C. fingerprints

Answer

A. blood transfusion

Answer

B. blood analysis

Answer

D. genetic combination

Answer

E. tongue rolling ability

Question 9

Which of the following is NOT found in animal cell?

Accepted Answer

A. Chloroplast

Answer

B. Endoplasmic reticulum

Answer

C. Golgi apparatus

Answer

D. Mitochondria

Answer

E. Nucleus

Question 10

The following are kidney diseases EXCEPT

Accepted Answer

B. Hepatitis

Answer

A. diuresis

Answer

C. kidney stones

Answer

D. nephritis

Answer

E. oedema.

Question 11

Liver destroys old red blood cells to produce digestive substance called

Accepted Answer

B. bile

Answer

A. amalyse

Answer

C. insulin

Answer

D. lipase

Answer

E. rennin

Question 12

Petals join together to form a tube known as

Accepted Answer

B. gamopetalous

Answer

A. epigynous

Answer

C. hypogynous

Answer

D. polypctalous

Answer

E. polysepalous

Question 13

The two nuclei contained in the germinating pollen grain are

Accepted Answer

C. generative and tube

Answer

A. egg and palisade

Answer

B. generative and sperm

Answer

D. spongy and tube

Answer

E. tube and cellular

Question 14

Which of the following crop diseases is caused by a fungus?

Accepted Answer

B. Cocoa black pod

Answer

A. Cassava blight

Answer

C. Groundnut rosette

Answer

D. Lettuce mossaic

Answer

E. Yam mosaic

Question 15

The following are types of finger prints EXCEPT

Accepted Answer

D. simple

Answer

A. arch

Answer

B. compound

Answer

C. loop

Answer

E. whorl

Question 16

The type of association in which one organism benefits and the other neither benefits nor is harmed is called

Accepted Answer

A. commensalism

Answer

B. mutualism

Answer

C. parasitism

Answer

D. saprophytism

Answer

E. symbiosis

Question 17

Meiosis involves all the following EXCEPT

Accepted Answer

B. production of cells with diploid number of chromosomes

Answer

A. exchange of genes

Answer

C. production of cells with haploid number of chromosomes

Answer

D. production of two daughter cells

Answer

E. two nuclear divisions

Question 18

Which of these organisms exists as a filament?

Accepted Answer

D. Spirogyra

Answer

A. Diatom

Answer

B. Euglena

Answer

C. Paramecium

Answer

E. Volvox

Question 19

Which of these is a courtship behavior in toad?

Accepted Answer

C. Pairing

Answer

A. Display of body parts

Answer

B. Display of color

Answer

D. Production of scent

Answer

E. Territoriality

Question 20

A dehiscent fruit formed from several fused carpels with man seeds is classified as a/an

Accepted Answer

B. capsule

Answer

A. achene

Answer

C. caryopsis

Answer

D. follicle

Answer

E. legume

Question 21

The following are ways of preserving food EXCEPT

Accepted Answer

A. boiling

Answer

B. canning

Answer

C. drying

Answer

D. freezing

Answer

E. salting

Question 22

Which of these factors least affects population size?

Accepted Answer

E. Variation

Answer

A. Availability of food

Answer

B. Disease

Answer

C. Immigration

Answer

D. Rate of reproduction

Question 23

Which of these is an example of physiological variation?

Accepted Answer

A. Blood group

Answer

B. Eye colour

Answer

C. Fingerprint

Answer

D. Height

Answer

E. Weight

Question 24

The network of blood capillaries in the kidney capsule is referred to as

Accepted Answer

B. glomerulus

Answer

A. capsule

Answer

C. pelvis

Answer

D. pyramid

Answer

E. ureter

Question 25

The dental formula i 3/3, c 1/1, pm 4/4, m 2/3 represents that of a

Accepted Answer

B. Dog

Answer

A. Cat

Answer

C. Man

Answer

D. Rabbit

Answer

E. Sheep

Question 26

Spider belongs to which of the following classes in the phylum arthropoda?

Accepted Answer

A. Arachnida

Answer

B. Chilopoda

Answer

C. Crustacean

Answer

D. Insect

Answer

E. Myriapoda

Question 27

The group of organisms at the base of the pyramid of numbers are

Accepted Answer

C. producers

Answer

A. decomposers

Answer

B. primary consumers

Answer

D. secondary consumers

Answer

E. tertiary consumers

Question 28

The following are associated with succession EXCEPT

Accepted Answer

C. decrease in number of organisms

Answer

A. changes in species composition

Answer

B. competition among organisms

Answer

D. diversity of organisms

Answer

E. habitat change

Question 29

Amoeba engulfs food particles by means of its

Accepted Answer

E. pseudopodia.

Answer

A. contractile vacuole

Answer

B. cytoplasmic membrane

Answer

C. food vacuoles

Answer

D. nucleus

Question 30

A situation in which the African king fish encases itself in a cocoon, mud and mucus until the next rainy season is called

Accepted Answer

B. aestivation

Answer

A. adaptation

Answer

C. diapause

Answer

D. dormancy

Answer

E. hibernation

Question 31

The splitting of water molecule by light during photosynthesis is called

Accepted Answer

D. photolysis

Answer

A. chemosynthesis

Answer

B. haemolysis

Answer

C. hydrolysis

Answer

E. haemolysis

Question 32

The following are involved in reflex action EXCEPT

Accepted Answer

A. brain cells

Answer

B. intermediate neuron

Answer

C. motor neuron

Answer

D. receptor

Answer

E. sensory neuron

Question 33

The main constituents of glomerular filterate are

Accepted Answer

E. water and urea

Answer

A. blood and water

Answer

B. blood and urea

Answer

C. glucose and water

Answer

D. salt and blood

Question 34

Which of the following modes of nutrition Is autotrophic?

Accepted Answer

A. Holophytic

Answer

B. Holozoic

Answer

C. Parasitic

Answer

D. Saprophytic

Answer

E. Symbiotic

Question 35

The function of ribosome is

Accepted Answer

B. protein synthesis

Answer

A. excretion of waste

Answer

C. reproduction

Answer

D. respiration

Answer

E. secretion of hormones.

Question 36

The following practices are adopted in the conservation of tropical rain forest EXCEPT

Accepted Answer

E. deforestation

Answer

A. afforestation

Answer

B. creation of game reserve

Answer

C. creation of forest reserve

Answer

D. re-afforestation

Question 37

A woman removed a hot aluminium pot with her bare hand and suddenly throws it down. What type of action has taken place?

Accepted Answer

C. Involuntary

Answer

A. Conditional

Answer

B. Instinctive

Answer

D. Learned

Answer

E. Voluntary

Question 38

Which of the following is a biotic factor that affects population?

Accepted Answer

A. Predator

Answer

B. Salinity

Answer

C. Space

Answer

D. Temperature

Answer

E. Water

Question 39

Which of these is NOT an example of reflex action

Accepted Answer

A. Walking

Answer

B. Banging of feet on an object

Answer

C. Blinking of the eyes

Answer

D. Jerking of the knee

Answer

E. Sneezing

Question 40

The developing embryo is attached to the mother’s uterus by

Accepted Answer

C. placenta

Answer

A. amnion

Answer

B. blood vessels

Answer

D. umbilical cord

Answer

E. uterine cavity

Question 41

Which of the following is an anabolic process

Accepted Answer

D. Photosynthesis

Answer

A. Excretion

Answer

B. Fermentation

Answer

C. Photolysis

Answer

E. Transportation

Question 42

Intercostal muscles are found in the ------ region

Accepted Answer

B. chest

Answer

A. abdominal

Answer

C. head

Answer

D. limb

Answer

E. neck

Question 43

Which of these is produced by pancreas?

Accepted Answer

A. Insulin

Answer

B. Pepsin

Answer

C. Ptyalin

Answer

D. Renin

Answer

E. Streapsin

Question 44

The following attract insects to flowers for pollination EXCEPT

Accepted Answer

C. presence of anther with light pollen grains

Answer

A. brightly coloured petals

Answer

B. broad and grooved corolla

Answer

D. presence of nectar

Answer

E. presence of sweet scent

2008 NECO Biology Past Questions

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