Biology past questions: NECO SSCE 2004

46 objective questions, with answers. Free to read and practise.

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46 questions, one at a time, marked as you go or at the end. No account needed.

1.
A feeding relationship in which both organisms benefit is referred to as
1. A.commensalism
2. B.parasitism
3. C.predation
4. D.saprophytism
5. E.symbiosis
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Answer: E symbiosis
2.
A typical lumbar vertebra does NOT have
1. A.centrum
2. B.neural arch
3. C.neural spine
4. D.neural canal
5. E.vertebrartenal canal
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Answer: E vertebrartenal canal
3.
All of these are vertebrates EXCEPT
1. A.lizard
2. B.rat
3. C.starfish
4. D.tilapia fish
5. E.toad
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Answer: C starfish
4.
An organism that transmits pathogens is called a
1. A.prey
2. B.commensal
3. C.parasite
4. D.symbiont
5. E.vector
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Answer: E vector
5.
An ovary with ovules arranged along its walls is said to have ------------ placentation.
1. A.axile
2. B.central
3. C.free central
4. D.marginal
5. E.parietal
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Answer: D marginal
6.
Blood groups and tongue rolling are examples of
1. A.continuous variation
2. B.discontinuous variation
3. C.variation due to environment
4. D.adaptive variation
5. E.sex-linked variation
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Answer: B discontinuous variation
7.
Cotton is an example of a/an crop.
1. A.fibre
2. B.food
3. C.latex
4. D.oil
5. E.cereal
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Answer: A fibre
8.
Food wastage is caused by the following EXCEPT
1. A.attack of moulds on farm crops
2. B.lack of access roads
3. C.lack of transportation
4. D.poor harvesting methods
5. E.proper storage
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Answer: E proper storage
9.
In savanna trees, thick corky bark is an adaption for
1. A.absorbing water
2. B.conserving water
3. C.enhancing transpiration
4. D.reducing transpiration
5. E.resistance to bush fire
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Answer: B conserving water
10.
In terms of evolutionary trend, which of these invertebrates evolved first?
1. A.Annelida
2. B.Arthropoda
3. C.Coelentrata
4. D.Platyhelminthes
5. E.Protozoa
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Answer: E Protozoa
11.
In which of the following blood vessels does exchange of materials occur
1. A.arteries
2. B.arterioles
3. C.capillaries
4. D.venules
5. E.veins
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Answer: C capillaries
12.
Intestinal juice contains the following enzymes EXCEPT
1. A.erepsin
2. B.lipase
3. C.maltase
4. D.sucrase
5. E.trypsin
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Answer: E trypsin
13.
Maximum and minimum thermometer is used for measuring
1. A.atmospheric pressure
2. B.highest and lowest amount of rainfall in habitat
3. C.highest and lowest temperature of the day
4. D.light intensity
5. E.relative humidity
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Answer: C highest and lowest temperature of the day
14.
Mealy bugs are pests of
1. A.cassava
2. B.cotton
3. C.maize
4. D.rice
5. E.yarn
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Answer: A cassava
15.
Mycelium is a characteristic feature of
1. A.bacteria
2. B.hydra
3. C.moulds
4. D.Mosses
5. E.yeasts
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Answer: C moulds
16.
Plants that are found in extreme dry conditions are called
1. A.epiphytes
2. B.hydrophytes
3. C.mesophytes
4. D.thallophytes
5. E.xerophytes
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Answer: E xerophytes
17.
Reflex action is controlled by
1. A.cerebellum
2. B.cerebrum
3. C.medulla oblongata
4. D.olfactory lobe
5. E.pineal body
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Answer: C medulla oblongata
18.
Simple sugars are also called
1. A.cellulose
2. B.disaccharides
3. C.monosaccharides
4. D.polysacchaiides
5. E.starch
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Answer: C monosaccharides
19.
Soil factors in an ecosystems are referred to as
1. A.biotic
2. B.climatic
3. C.edaphic
4. D.physiographic
5. E.topographic
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Answer: C edaphic
20.
Stunted growth and reduced yield in cassava plant is as a result of a disease called
1. A.blight
2. B.leaf curl
3. C.leaf spot
4. D.mosaic
5. E.smut
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Answer: D mosaic
21.
The correct sequence of energy transfer among living organisms in an ecosystem is
1. A.consumers - decomposers – producers
2. B.consumers - producers - decomposers
3. C.decomposers - producers- consumers
4. D.producers - consumers- decomposers
5. E.producers - decomposers- consumers
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Answer: D producers - consumers- decomposers
22.
The end product of glycolysis is
1. A.acetic acid
2. B.citric acid
3. C.ketoglutaric acid
4. D.oxaloacetic acid
5. E.pyruvic acid
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Answer: E pyruvic acid
23.
The enzyme ptyalin acts in the
1. A.large intestine
2. B.mouth
3. C.oesophagus
4. D.small intestine
5. E.stomach
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Answer: B mouth
24.
The fluid in the inner ear is called
1. A.aqueous humour
2. B.endolymph
3. C.lymphocyte
4. D.perilymph
5. E.vitreous humour
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Answer: B endolymph
25.
The following are classes of dry indehiscent fruits EXCEPT
1. A.achene
2. B.caryopsis
3. C.cypsela
4. D.follicle
5. E.schizocarp
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Answer: D follicle
26.
The function of the ribosomes is the
1. A.absorption of carbon dioxide from the air
2. B.control of all the vital activities of the cell
3. C.provision of energy for cellular activities
4. D.synthesis of secretory products
5. E.synthesis of proteins and enzymes
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Answer: E synthesis of proteins and enzymes
27.
The glomerular filtrate contains the following substances EXCEPT
1. A.blood cells
2. B.glucose
3. C.mineral salts
4. D.Water
5. E.urea
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Answer: A blood cells
28.
The mouth part of a mosquito through which it sucks the blood of its victim is called
1. A.hypopharynx
2. B.mandible
3. C.labium
4. D.labrum
5. E.stylet
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Answer: E stylet
29.
The part of the kidney tubule where ultra filtration takes place is the
1. A.Bowman's capsule
2. B.distal convoluted tubule
3. C.Henle's loop
4. D.main collecting tubule
5. E.proximal convoluted tubule
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Answer: A Bowman's capsule
30.
The part of the skin which is excretory in function is the
1. A.adipose tissue
2. B.erector muscle
3. C.hair follicle
4. D.sebaceous gland
5. E.sweat gland
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Answer: E sweat gland
31.
The plant cell is different from an animal cell because it has
1. A.cellulose cell-wall
2. B.cytoplasmic content
3. C.centriole
4. D.mitochondria
5. E.nucleus
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Answer: A cellulose cell-wall
32.
The removal of undigested food substances from the body is called
1. A.assimilation
2. B.egestion
3. C.excretion
4. D.elimination
5. E.ingestion
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Answer: B egestion
33.
The tricuspid valve is located between the
1. A.left auricle and left ventricle
2. B.left and right auricles
3. C.right and left ventricles
4. D.right auricle and right ventricle
5. E.right auricle and left ventricle
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Answer: D right auricle and right ventricle
34.
The tropical rainforest region is characterized by the following EXCEPT
1. A.abundant grasses
2. B.abundant rainfall
3. C.abundant trees and shrubs
4. D.high humidity
5. E.low temperature
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Answer: A abundant grasses
35.
Under secretion of thyroxine before maturity cause
1. A.cretinism
2. B.gigantism
3. C.goiter
4. D.myxoedema
5. E.obesity
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Answer: A cretinism
36.
When a plant shows yellowing of leaves and stunted growth, the plant is deficient in
1. A.copper
2. B.iron
3. C.manganese
4. D.silicon
5. E.zinc
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Answer: B iron
37.
Which of the following deaminates excess amino acids?
1. A.Duodenum
2. B.Ileum
3. C.Kidney
4. D.Liver
5. E.Pancreas
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Answer: D Liver
38.
Which of the following eye defects can be corrected with a bi-focal lens?
1. A.Astigmatism
2. B.Cataract
3. C.Hypermetropia
4. D.Myopia
5. E.Presbyopia
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Answer: E Presbyopia
39.
Which of the following factors does NOT affect photosynthesis?
1. A.carbon (iv) oxide
2. B.light intensity
3. C.relative humidity
4. D.soil water
5. E.temperature
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Answer: C relative humidity
40.
Which of the following is NOT a characteristic of digestive enzymes?
1. A.changes in pH affect enzymes
2. B.enzymes react best at high temperature
3. C.enzymes react reversibly
4. D.they are affected by intake of poisons
5. E.they are protein in nature
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Answer: B enzymes react best at high temperature
41.
Which of the following is NOT a transmissible character?
1. A.dimple cheek
2. B.ability to roll tongue
3. C.colour blindness
4. D.sickle-cell anaemia
5. E.big muscles of a boxer
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Answer: E big muscles of a boxer
42.
Which of the following is NOT a type of finger print?
1. A.arch
2. B.compound
3. C.loop
4. D.simple
5. E.whorl
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Answer: D simple
43.
Which of the following is NOT an application of variation?
1. A.adaptation for survival
2. B.blood transfusion
3. C.crime detection
4. D.determination of paternity
5. E.marriage counseling
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Answer: A adaptation for survival
44.
Which of the following is released from car exhaust due to incomplete combustion of fuel?
1. A.carbon dioxide
2. B.carbon monoxide
3. C.nitrogen dioxide
4. D.oxygen
5. E.sulphur dioxide
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Answer: B carbon monoxide
45.
Which of these is NOT a method of improving crop yield?
1. A.spraying the crops with chemicals
2. B.mechanized farming
3. C.sowing pest resistant varieties of seeds
4. D.storing the crops in barns or silos
5. E.sowing of viable seeds
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Answer: D storing the crops in barns or silos
46.
Xylem tissue consists of the following cells EXCEPT
1. A.sieve tubes
2. B.tracheids
3. C.vessels
4. D.fibres
5. E.parenchyma
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Answer: A sieve tubes

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