2009 NECO Biology Past Questions & Answers

Question 1

Which of these is a simple dehiscent fruit?

Accepted Answer

C. Legume

Answer

A. Achene

Answer

B. Cypsela

Answer

D. Nut

Answer

E. Samara

Question 2

The male reproductive part of a flower is made up of

Accepted Answer

A. anther and filament

Answer

B. ovary and ovule

Answer

C. ovule and style

Answer

D. stigma and filament

Answer

E. style and stigma

Question 3

These groups of bacteria are harmless EXCEPT

Accepted Answer

D. parasitic

Answer

A. denitrifying

Answer

B. nitrifying

Answer

C. nitrogen-fixing

Answer

E. saprophytic

Question 4

The following plants have self-pollinated flowers EXCEPT?

Accepted Answer

B. okra

Answer

A. groundnut

Answer

C. rice

Answer

D. wheat

Question 5

Which of the following body characteristics distinguishes Ascaris from Earthworms?

Accepted Answer

E. Unsegmented

Answer

A. Bilaterally symmetrical

Answer

B. Cylindrical

Answer

C. Segmented

Answer

D. Soft

Question 6

Excess amino acids are converted into urea by the

Accepted Answer

C. liver

Answer

A. heart

Answer

B. kidney

Answer

D. muscles

Answer

E. spleen

Question 7

Which of the following is bryophyte?

Accepted Answer

C. Liverwort

Answer

A. Bladderwort

Answer

B. Flytrap

Answer

D. Pitcher

Answer

E. Sundew

Question 8

Plants use Nitrogen in the form of

Accepted Answer

C. nitrates

Answer

A. ammonia

Answer

B. ammonium

Answer

D. nitrites

Answer

E. urea

Question 9

These processes are involved in asexual reproduction EXCEPT

Accepted Answer

B. fertilization

Answer

A. budding

Answer

C. fission

Answer

D. spore formation

Answer

E. vegetative propagation

Question 10

The basic unit of classification of living things is the

Accepted Answer

E. species

Answer

A. class

Answer

B. genus

Answer

C. kingdom

Answer

D. phylum

Question 11

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

Accepted Answer

B. hepatic portal vein

Answer

A. hepatic artery

Answer

C. hepatic vein

Answer

D. inferior vena cava

Answer

E. superior vena cava

Question 12

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

Accepted Answer

D. seminiferous tubules

Answer

A. epididymis

Answer

B. penis

Answer

C. seminal vesicle

Answer

E. vas deferens

Question 13

The cortex of a herbaceous stem is made up of

Accepted Answer

A. collenchyma and parenchyma

Answer

B. collenchyma and sclerenchyma

Answer

C. parenchyma and sclerenchma

Answer

D. pericycle and endodermis

Answer

E. sclerenthyma and endodermis

Question 14

Exoskeleton is a characteristic feature of

Accepted Answer

D. millipede

Answer

A. amoeba

Answer

B. earthworm

Answer

C. hydra

Answer

E. tapeworm

Question 15

Over-grazing encourages soil

Accepted Answer

C. erosion

Answer

A. acidity

Answer

B. conservation

Answer

D. fertility

Answer

E. formation

Question 16

Villi are finger-like structures found in the

Accepted Answer

C. small intestine

Answer

A. large intestine

Answer

B. rectum

Answer

D. stomach

Answer

E. tongue

Question 17

In mammals, tissue respiration takes place in the

Accepted Answer

B. cells

Answer

A. alveoli

Answer

C. lungs

Answer

D. nose

Answer

E. trachea

Question 18

Mycelium is a feature of

Accepted Answer

D. fungi

Answer

A. algae

Answer

B. bacteria

Answer

C. ferns

Answer

E. viruses.

Question 19

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)?

Accepted Answer

D. 4 red : 0 white

Answer

A. 1 red : 1 white

Answer

B. 2 red : 0 white

Answer

C. 3 red : 1 white

Answer

E. 4 red : 4 white

Question 20

Which of these organisms reproduces by budding?

Accepted Answer

C. Hydra

Answer

A. Amoeba

Answer

B. Euglena

Answer

D. Paramecium

Answer

E. Volvox

Question 21

Which of the following enzymes act on carbohydrates?

Accepted Answer

A. Amylase

Answer

B. Lipase

Answer

C. Pepsin

Answer

D. Renin

Answer

E. Trypsin

Question 22

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

Accepted Answer

C. Excretion

Answer

A. Circulation

Answer

B. Digestion

Answer

D. Reproduction

Answer

E. Respiration

Question 23

Which of these influences growth movement in plants?

Accepted Answer

B. Auxins

Answer

A. Acetic acid

Answer

C. Chlorophyll

Answer

D. Enzyme

Answer

E. Ethylene

Question 24

Fern plants carry out Photosynthesis in the

Accepted Answer

A. frond

Answer

B. rhizome

Answer

C. sorus

Answer

D. stolon

Answer

E. thallus

Question 25

The following processes release carbondioxide into the atmosphere EXCEPT

Accepted Answer

E. transpiration

Answer

A. combustion

Answer

B. decomposition

Answer

C. putrefaction

Answer

D. respiration

Question 26

The topmost layer of a typical soil profile is

Accepted Answer

E. humus

Answer

A. clay

Answer

B. coarse sand

Answer

C. fine sand

Answer

D. gravel

Question 27

Which of the following enables mammals to maintain balance?

Accepted Answer

D. Semi-circular canal

Answer

A. Cochlea

Answer

B. Eustucian tube

Answer

C. Ossicle

Answer

E. Tympanic membrane

Question 28

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

Accepted Answer

B. Cervical

Answer

A. Caudal

Answer

C. Lumber

Answer

D. Sacral

Answer

E. Thoracic

Question 29

Which of the following is a characteristic of mollusc?

Accepted Answer

C. Body walls have three layers

Answer

A. Bodies are protected by hard exoskeleton

Answer

B. Bodies are segmented

Answer

D. Presence of paired jointed appendages

Answer

E. The head bears a pair of antennae

Question 30

Cellular respiration occurs in the

Accepted Answer

D. mitochondrion

Answer

A. chloroplast

Answer

B. endoplasmic reticulum

Answer

C. food vacuole

Answer

E. nucleus

Question 31

The products of respiration in higher plants are

Accepted Answer

B. carbondioxide, energy and water

Answer

A. carbondioxide, energy and starch

Answer

C. carbondioxide, oxygen and water

Answer

D. carbondioxide, starch and water

Answer

E. glucose, energy and water

Question 32

Root hairs are extensions of the

Accepted Answer

D. piliferous layer

Answer

A. cortex

Answer

B. endodermis

Answer

C. epidermis

Answer

E. vascular bundle

Question 33

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

Accepted Answer

B. ribosome

Answer

A. endoplasm reticulum

Answer

C. nucleus

Answer

D. plasma membrane

Answer

E. golgi apparatus

Question 34

Which of these is NOT part of a seed?

Accepted Answer

D. Pericarp

Answer

A. Cotyledon

Answer

B. Embryo

Answer

C. Endosperm

Answer

E. Testa

Question 35

These animals exhibit camouflage EXCEPT

Accepted Answer

C. crocodile

Answer

A. chameleon

Answer

B. crab

Answer

D. lizard

Answer

E. snake

Question 36

The type of placentation found in tomato fruit is called

Accepted Answer

A. axile

Answer

B. bisal

Answer

C. free central

Answer

D. marginal

Answer

E. parietal

Question 37

Which of these is NOT a pollutant?

Accepted Answer

C. Nitrogen gas

Answer

A. Carbondioxide

Answer

B. Lead oxide

Answer

D. Nitrogen oxide

Answer

E. Sulphur dioxide

Question 38

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

Accepted Answer

A. Denitrification

Answer

B. Lightning

Answer

C. Nitrification

Answer

D. Putrefaction

Answer

E. Rainfall

Question 39

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

Accepted Answer

E. Pressure

Answer

A. Food

Answer

B. Host

Answer

C. Parasite

Answer

D. Predator

Question 40

In a moss plant, spores are produced in the

Accepted Answer

A. capsule

Answer

B. leaf

Answer

C. rhizoid

Answer

D. seta

Answer

E. stalk

2009 NECO Biology Past Questions

Questions

Frequently asked questions

How do I prepare for NECO Biology?

Where can I find NECO Biology past questions?

How close is the DeeepSolve CBT simulator to the real NECO?

Are the AI explanations accurate?