Biology 2010

You are about to start UTME Biology 2010 practice quiz.

You have 60minutes for this test.

All the best.

Which of the following characterizes a mature plant cell?

the cytoplasm fills up the entire cell space

the nucleus is pushed to the centre of the cell

the cell wall is made up of cellulose

the nucleus is small and irregular in shape

Which of the following is NOT a function of the nucleus of a cell?

it controls the life processes of the cell

it translates genetic information for the manufacture of proteins

it stores and carries hereditary information

it is reservoir of energy for the cell

The dominant phase in the life cycle of a fern is the?

gametophyte

prothallus

sporophyte

antheridium

Parental care is exhibited by

toads

snails

earthworms

birds

With respect to their decreasing dependence on aquatic conditions for reproduction, which of the following is the correct arrangement of the animals represented?

Use the diagram above to answer this question 6 and 7

l,IV,II and lll

IV, lll, ll and l

l, ll, IV and lll

lll, ll, IV and l

Which of the animals represents the oldest creatures in terms of evolutionary history?

III

Which of the following groups of cells is devoid of true nuclei

algae

monera

fungi

viruses

The main function of the feathers covering the part labelled I is to

Use the diagram below to answer this question 9 and 10

prevent ectoparasites from attacking the animal

generate heat to keep the animal warm

serve as insulator to maintain body heat

provide some power for flight

Based on the shape and structure of the beak and feet, the bird represented is likely to feed mainly on

flesh

fruits

seeds

nectar

Which of the following is true of the transverse section of a dicot system?

the epidermis is completely encircled by the cortex

the xylem is more interiorly located than the phloem

the cambium lies between the cortex and the vascular bundles

the vascular bundles are randomly scattered within the cortex

The movement of material in the xylem and phloem tissues of the plant are represented by the arrows labelled

Use the diagram below to answer this question 12 and 13

lll and IV respectively

ll and l respectively

l and ll respectively

l and lll respectively

During photosynthesis, the arrow labelled ll represents the

escape of mineral salts

absorption of energy from the sun

release of carbon (IV) oxide

release of oxygen as a by-product

During photosynthesis, the arrow labelled ll represents the

escape of mineral salts

absorption of energy from the sun

release of carbon (IV) oxide

release of oxygen as a by-product

Which of the following is lacking in the diet of a person with kwashiorkor?

vitamins

proteins

carbohydrates

The mode of nutrition of sun dew and bladder wort can be described as

autotrophic

saprophytic

holozoic

chemosynthetic

When the mixture of a food substance and Benedict's solution was warmed, the solution changed from blue to black-red. This indicates the presence of

reducing sugar

fatty acid

sucrose

amino acid

The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the

veins

right auricle

arteries

left ventricle

Circulation of blood to all parts of the body except the lungs is through

the pulmonary artery

systemic circulation

the lymphatic system

pulmonary circulation

Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and

alcohol

acid

oxygen

water

The sheet of muscle that separates the thoracic and the abdominal cavities is the

diaphragm

intercostal muscle

pleural membrane

pericardium

The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the

sweet glands

sebaceous glands

fatty cells

granular layer

The outer layer of the kidney where the Bowman's capsules are found is the

cortex

pelvis

medulla

pyramid

Which of the following stimuli is likely to elicit a nastic response in an organism?

Touch

Light intensity

Chemical substances

Gravity

In the male reproductive system of a mammal, sperm is stored in the

van deferens

urethra

epididymis

seminiferous tubules

Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of

oxidation

denitrification

reduction

phosphorylation

The part of the human gut that has an acidic content is the

stomach

ileum

duodenum

colon

Which of the above structures is correctly matched with the organisms in which it is found

I. Stomata → Spirogyro II. Alveoli → EarthwormIII. Malpighian tubule → Mammal IV. Contractile vacuole → Protozoa.

III

A food chain always begins with a

consumer

decomposer

producer

primary consumer

Mycorrhizae promote plant growth by

absorbing inorganic ions from the soil

protecting it from infection

helping it to utilize atmospheric nitrogen

serving as a growth regulator

The barrier between maternal and foetal blood is the

placenta

liver

umbilical chord

uterine wall

The blood component that has the greatest affinity for oxygen is the

lymphocytes

leucocytes

erythrocytes

placenta

Which of the following organisms is mainly found in the marine habitat?

Achatina

Tilapia

Dog fish

Tortoise

The two halves of the pelvic girdle are joined together at the

public symphysis

ilium

pubis

obturator foramen

Which of the above are ways in which desert animals adapt to extreme heat of the environment?

I. Adoption of appropriate nocturnal habits II. Burrowing III. Adjusting their internal body temperature.IV. Possession of many sweat pores.

I and IV only

II and III only

I and II only

I, II and III only

Low annual rainfall, sparse vegetation, high diurnal temperatures and cold nights are characteristic features of the

tropical rainforest

desert

montane forest

guinea savanna

The activity of an organism which affects the survival of another organism in the same habitat constitutes

an edaphic factor

an abiotic factor

a biotic factor

a physiographic factor

The average number of individuals of species per unit area of the habitat is the

population density

population frequency

population size

population distribution

The vector for yellow fever is

Aedes mosquito

Anopheles mosquito

tsetse fly

blackfly

The loss of soil through erosion can be reduced by

watering

crop rotation

manuring

irrigation

The protozoan plasmodium falciparum is transmitted by

female Anopheles mosquitoes

female Aedes mosquitoes

female Culex mosquitoes

Female blackfly

A dilute solution of phenylthiocarbamide tastes bitter to some people and is tasteless to others. This is an example of

taste bud variation

discontinuous variation

morphological variation

continuous variation

In which plantation are all the trees between the height of 2-4m?

III

Which of the following is a true feature of plantation ll?

it has the highest number of trees of about 2m high

it has highest number of trees

the height of all its trees range between 2m and 6m

it has the highest number of tall trees

Thyroxine and adrenalin are examples of hormones which control

blood grouping

tongue rolling

behavioural patterns

colour variation

A pair of genes that control a trait is referred to as

an allele

recessive

dominant

a hybrid

The chromosome number of a cell before and after the process of meiosis is conventionally represented as

2n → 2n

n → n

n → 2n

2n → n

If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

3⁄4

1⁄2

1⁄4

The main distinguishing features between the soldier termite and other members of the caste are the

presence of wings, possession of a small head and large thorax

presence of wings, possession of a large thorax and a small head

absence of wings, possession of strong mandibles and a large head

absence of wings, possession of big head and the absence of mandible

At what stage in the life history of a mammal is the sex of an individual set?

at adolescence

at puberty

at birth

at conception

The flippers of a whale and the fins of a fish are examples of

divergent evolution

coevolution

continuous variation

convergent evolution

1 out of 11

Related Tests:

Jamb Government past questions CBT practice quiz
Jamb Accounting past questions CBT practice quiz
Jamb Economics past questions CBT practice quiz
2017 ABU Zaria Biology Post UTME past questions practice
2015 ABU Zaria Biology Post UTME past questions practice
Jamb Literature past questions CBT practice quiz

Related Tests:

Leave a Reply Cancel reply