2004 NECO Biology Past Questions & Answers

Question 1

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

Accepted Answer

E. symbiosis

Answer

A. commensalism

Answer

B. parasitism

Answer

C. predation

Answer

D. saprophytism

Question 2

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

Accepted Answer

E. sweat gland

Answer

A. adipose tissue

Answer

B. erector muscle

Answer

C. hair follicle

Answer

D. sebaceous gland

Question 3

Which of the following is NOT a transmissible character?

Accepted Answer

E. big muscles of a boxer

Answer

A. dimple cheek

Answer

B. ability to roll tongue

Answer

C. colour blindness

Answer

D. sickle-cell anaemia

Question 4

Mealy bugs are pests of

Accepted Answer

A. cassava

Answer

B. cotton

Answer

C. maize

Answer

D. rice

Answer

E. yarn

Question 5

Food wastage is caused by the following EXCEPT

Accepted Answer

E. proper storage

Answer

A. attack of moulds on farm crops

Answer

B. lack of access roads

Answer

C. lack of transportation

Answer

D. poor harvesting methods

Question 6

The tricuspid valve is located between the

Accepted Answer

D. right auricle and right ventricle

Answer

A. left auricle and left ventricle

Answer

B. left and right auricles

Answer

C. right and left ventricles

Answer

E. right auricle and left ventricle

Question 7

Under secretion of thyroxine before maturity cause

Accepted Answer

A. cretinism

Answer

B. gigantism

Answer

C. goiter

Answer

D. myxoedema

Answer

E. obesity

Question 8

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

Accepted Answer

B. iron

Answer

A. copper

Answer

C. manganese

Answer

D. silicon

Answer

E. zinc

Question 9

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

Accepted Answer

E. Protozoa

Answer

A. Annelida

Answer

B. Arthropoda

Answer

C. Coelentrata

Answer

D. Platyhelminthes

Question 10

Intestinal juice contains the following enzymes EXCEPT

Accepted Answer

E. trypsin

Answer

A. erepsin

Answer

B. lipase

Answer

C. maltase

Answer

D. sucrase

Question 11

The tropical rainforest region is characterized by the following EXCEPT

Accepted Answer

B. abundant rainfall

Answer

A. abundant grasses

Answer

C. abundant trees and shrubs

Answer

D. high humidity

Answer

E. low temperature

Question 12

Which of the following deaminates excess amino acids?

Accepted Answer

D. Liver

Answer

A. Duodenum

Answer

B. Ileum

Answer

C. Kidney

Answer

E. Pancreas

Question 13

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

Accepted Answer

A. Bowman’s capsule

Answer

B. distal convoluted tubule

Answer

C. Henle’s loop

Answer

D. main collecting tubule

Answer

E. proximal convoluted tubule

Question 14

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

Accepted Answer

E. parietal

Answer

A. axile

Answer

B. central

Answer

C. free central

Answer

D. marginal

Question 15

Plants that are found in extreme dry conditions are called

Accepted Answer

E. xerophytes

Answer

A. epiphytes

Answer

B. hydrophytes

Answer

C. mesophytes

Answer

D. thallophytes

Question 16

Cotton is an example of a/an crop.

Accepted Answer

A. fibre

Answer

B. food

Answer

C. latex

Answer

D. oil

Answer

E. cereal

Question 17

Maximum and minimum thermometer is used for measuring

Accepted Answer

C. highest and lowest temperature of the day

Answer

A. atmospheric pressure

Answer

B. highest and lowest amount of rainfall in habitat

Answer

D. light intensity

Answer

E. relative humidity

Question 18

The enzyme ptyalin acts in the

Accepted Answer

B. mouth

Answer

A. large intestine

Answer

C. oesophagus

Answer

D. small intestine

Answer

E. stomach

Question 19

Mycelium is a characteristic feature of

Accepted Answer

C. moulds

Answer

A. bacteria

Answer

B. hydra

Answer

D. Mosses

Answer

E. yeasts

Question 20

The fluid in the inner ear is called

Accepted Answer

B. endolymph

Answer

A. aqueous humour

Answer

C. lymphocyte

Answer

D. perilymph

Answer

E. vitreous humour

Question 21

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

Accepted Answer

C. capillaries

Answer

A. arteries

Answer

B. arterioles

Answer

D. venules

Answer

E. veins

Question 22

Which of the following factors does NOT affect photosynthesis?

Accepted Answer

C. relative humidity

Answer

A. carbon (iv) oxide

Answer

B. light intensity

Answer

D. soil water

Answer

E. temperature

Question 23

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

Accepted Answer

D. simple

Answer

A. arch

Answer

B. compound

Answer

C. loop

Answer

E. whorl

Question 24

The glomerular filtrate contains the following substances EXCEPT

Accepted Answer

A. blood cells

Answer

B. glucose

Answer

C. mineral salts

Answer

D. Water

Answer

E. urea

Question 25

The end product of glycolysis is

Accepted Answer

E. pyruvic acid

Answer

A. acetic acid

Answer

B. citric acid

Answer

C. ketoglutaric acid

Answer

D. oxaloacetic acid

Question 26

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

Accepted Answer

E. Presbyopia

Answer

A. Astigmatism

Answer

B. Cataract

Answer

C. Hypermetropia

Answer

D. Myopia

Question 27

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

Accepted Answer

A. cellulose cell-wall

Answer

B. cytoplasmic content

Answer

C. centriole

Answer

D. mitochondria

Answer

E. nucleus

Question 28

The function of the ribosomes is the

Accepted Answer

E. synthesis of proteins and enzymes

Answer

A. absorption of carbon dioxide from the air

Answer

B. control of all the vital activities of the cell

Answer

C. provision of energy for cellular activities

Answer

D. synthesis of secretory products

Question 29

Which of the following is NOT an application of variation?

Accepted Answer

A. adaptation for survival

Answer

B. blood transfusion

Answer

C. crime detection

Answer

D. determination of paternity

Answer

E. marriage counseling

Question 30

Reflex action is controlled by

Accepted Answer

C. medulla oblongata

Answer

A. cerebellum

Answer

B. cerebrum

Answer

D. olfactory lobe

Answer

E. pineal body

Question 31

An organism that transmits pathogens is called a

Accepted Answer

E. vector

Answer

A. prey

Answer

B. commensal

Answer

C. parasite

Answer

D. symbiont

Question 32

All of these are vertebrates EXCEPT

Accepted Answer

C. starfish

Answer

A. lizard

Answer

B. rat

Answer

D. tilapia fish

Answer

E. toad

Question 33

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

Accepted Answer

D. mosaic

Answer

A. blight

Answer

B. leaf curl

Answer

C. leaf spot

Answer

E. smut

Question 34

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

Accepted Answer

B. carbon monoxide

Answer

A. carbon dioxide

Answer

C. nitrogen dioxide

Answer

D. oxygen

Answer

E. sulphur dioxide

Question 35

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

Accepted Answer

D. producers - consumers- decomposers

Answer

A. consumers - decomposers – producers

Answer

B. consumers - producers - decomposers

Answer

C. decomposers - producers- consumers

Answer

E. producers - decomposers- consumers

Question 36

Soil factors in an ecosystems are referred to as

Accepted Answer

C. edaphic

Answer

A. biotic

Answer

B. climatic

Answer

D. physiographic

Answer

E. topographic

Question 37

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

Accepted Answer

D. storing the crops in barns or silos

Answer

A. spraying the crops with chemicals

Answer

B. mechanized farming

Answer

C. sowing pest resistant varieties of seeds

Answer

E. sowing of viable seeds

Question 38

The following are classes of dry indehiscent fruits EXCEPT

Accepted Answer

D. follicle

Answer

A. achene

Answer

B. caryopsis

Answer

C. cypsela

Answer

E. schizocarp

Question 39

The removal of undigested food substances from the body is called

Accepted Answer

B. egestion

Answer

A. assimilation

Answer

C. excretion

Answer

D. elimination

Answer

E. ingestion

Question 40

Blood groups and tongue rolling are examples of

Accepted Answer

B. discontinuous variation

Answer

A. continuous variation

Answer

C. variation due to environment

Answer

D. adaptive variation

Answer

E. sex-linked variation

Question 41

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

Accepted Answer

B. enzymes react best at high temperature

Answer

A. changes in pH affect enzymes

Answer

C. enzymes react reversibly

Answer

D. they are affected by intake of poisons

Answer

E. they are protein in nature

Question 42

Xylem tissue consists of the following cells EXCEPT

Accepted Answer

A. sieve tubes

Answer

B. tracheids

Answer

C. vessels

Answer

D. fibres

Answer

E. parenchyma

Question 43

Simple sugars are also called

Accepted Answer

C. monosaccharides

Answer

A. cellulose

Answer

B. disaccharides

Answer

D. polysacchaiides

Answer

E. starch

Question 44

In savanna trees, thick corky bark is an adaption for

Accepted Answer

E. resistance to bush fire

Answer

A. absorbing water

Answer

B. conserving water

Answer

C. enhancing transpiration

Answer

D. reducing transpiration

Question 45

A typical lumbar vertebra does NOT have

Accepted Answer

E. vertebrartenal canal

Answer

A. centrum

Answer

B. neural arch

Answer

C. neural spine

Answer

D. neural canal

Question 46

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

Accepted Answer

D. labrum

Answer

A. hypopharynx

Answer

B. mandible

Answer

C. labium

Answer

E. stylet

2004 NECO Biology Past Questions

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