Biology 2024 JAMB Past Questions Secure Now

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Biology 2024 JAMB Past Questions

The major building block of an organism is…

A. Nitrogen
B. Carbon
C. Water
D. Sulphur

The process by which plants loss water to the atmosphere is

A. transpiration
B. guttation
C. translocation
D. evaporation

Use the diagram above to answer the question that follows

The organism belongs to kingdom

A. monera
B. protista
C. fungi
D. animalia

The formation of cilia and flagella in living cells is carried out with the help of

A. ribosome
B. lysosome
C. centriole
D. plastid

The food nutrient with the highest energy value is

A. protein
B. carbohydrate
C. lipid
D. minerals

6 X + 6 H

O → CHO + 6O

III chlorophyll II IV

Use the diagram above to answer question that follows

The part labelled I is

A. enzyme
B. water
C. sunlight
D. chemical

Bilateral symmetry,cylindrical bodies and double openings are characteristic features of

A. nematodes
B. hydra
C. protozoa
D. protists

Mouth part adapted for piercing and sucking is found in

A. housefly
B. grasshopper
C. mosquito
D. cockroach

The web-feet of frogs and toads is basically for

A. leaping
B. walking
C. swimming
D. mating

The part of the inner ear that is responsible for hearing is

A. sacculus
B. cochlea
C. utriculus
D. ampullae

The changes of living organisms over generation is referred to as

A. human evolution
B. organic evolution
C. physical evolution
D. chemical evolution

In a cross involving a heterozygous red flower plant (Rr) and a white flowered plant (rr). What is the probability that the offspring will be Rr?

A 1/2

B. 1

C. 2

D.1/4

Inbreeding is highly discouraged in humans because it may

A. increase the death rate of new born
B. lead to the birth of dwarfs
C. lead to high rate of competition among offspring
D. lead to outbreak of hereditary diseases

One main feature of trees in the savanna habitat is the possession of

A. large, leathery leaves
B. straight slender stems with branches near the top
C. thin, smooth barks
D. thick, corky bark

Use the diagram above to answer the question that follows

The zone labelled II is called

A. supra-tidal zone
B. pelagic zone
C. littoral zone
D. benthic zone

Which of the following structures enables the exchange of gases in insects?

A. skin
B. tracheae
C. Malpighian tubules
D. flame cell

The total number of ATP produced during glycolysis is

A. 3 molecules
B. 2 molecules
C. 4 molecules
D. 6 molecules

Use the diagram above to answer the question that follows

The diagram above is

A. circulatory system
B. reproductive system
C. urinary system
D. nervous system

Bile is a greenish alkaline liquid which is stored in the

A. gall bladder
B. liver
C. stomach
D. pancreas

A medium texture soil with high organic matter is

A. clay
B. loamy
C. humus
D. sandy

One of the following is an example of discontinuous variation

A. shape of the head
B. blood group
C. body complexion
D. pointed nose

The type of variation where there are no remarkable differences between the two extreme individuals is called

A. continuous variation
B. morphological variation
C. physiological variation
D. discontinuous variation

The transmission of diseases through contamination of food is an economic importance of

A. mosquitoes
B. cockroaches
C. butterflies
D. bees

Bryophyte is an intermediate group between higher algae and

A. thallophyte
B. pteridophyte
C. spermatophyte
D. tracheophyte

Ecological succession can result from

A. newly formed habitat
B. habitat with abundant food
C. habitat with space and light
D. population of plants on a fertile land

The first organism evolved from which of the following habitat?

A. terrestrial
B. arboreal
C. aquatic
D. desert

Which of these pair of substances must be present for a seed to germinate in a laboratory set-up?

A. microbes and water
B. heat and water
C. soil and manure
D. heat and microbe

A fruit formed from one flower with many carpels is referred to as

A. simple
B. multiple
C. aggregate
D. false

Which of the following plant is found in the ground layer of a tropical rainforest in Nigeria?

A. obeche
B. liverwort
C. mahogany
D. oil palm

Use the diagram above to answer the question that follows

The endocrine gland that is located in the part labelled I is

A. thyroid
B. adrenal
C. parathyroid
D. pituitary

Which of the following processes takes place in the carbon cycle?

A. evaporation
B. nitrification
C. combustion
D. transpiration

Which of the following plants shows hypogeal germination?

A. castor oil
B. groundnut
C. maize
D. orange

In vascular plants, xylem tissue is responsible for

A. transportation of water
B. translocation of food
C. transportation of hormones
D. storage of sugar

The causative agent of tuberculosis is

A. virus
B. bacteria
C. protozoa
D. fungi

Which of these is a respiratory organ in mammals?

A. skin
B. mouth
C. heart
D. lungs

Which of the Nigeria states is Northern guinea savanna located?

A. Borno
B. Kano
C. Oyo
D. Kwara

Darwin’s theory of evolution is based on the principle of

A. use and disuse of organ
B. natural selection
C. acquired characteristics
D. mutation

Similar structures that are modified to work in different ways in different organisms are referred to as

A. homologous structures
B. analogous structures
C. divergent structures
D. convergent structures

One of the ways of controlling Schistosomiasis is by

A. destroying water snails and water weeds
B. clearing the bushes around the house
C. washing hands after using the toilet
D. properly washing fruits before eating them

The central nervous system comprises of

A. brain and somatic
B. brain and spinal cord
C. spinal cord and somatic
D. brain only

Use the diagram above to answer the question that follows

The organelle that shows the organism has plant characteristics is

A. I
B. II
C. III
D. IV

Reproduction in paramecium is by

A. binary fission
B. budding
C. spore formation
D. fragmentation

A community with a population of two million three hundred and ten thousand people living in an area of two thousand three hundred and ten square kilometres has a population density of

A. 10000
B. 10
C. 100
D. 1000

A succession that occurs in an area where there are no pre-existing community is called

A. tertiary succession
B. primary succession
C. post-primary succession
D. secondary succession

Which of the following processes releases oxygen to the atmosphere?

A. Respiration
B. Combustion
C. Decomposition
D. photosynthesis

The depressed side of paramecium which is lined with cilia leads to a tube-like structure called

A. anal pore
B. oral groove
C. gullet
D. food vacuole

The rhizoid of liverwort is

A. unicellular and unbranched
B. multicellular and branched
C. unicellular and branched
D. multicellular and unbranched

In glycolysis, glucose is broken down through series of reactions in the presence of enzyme and absence of oxygen to produce

A. Acetyl-coenzyme + ATP
B. Phosphorylated glucose
C. pyruvic acid + ATP
D. Amino acid

Gaseous exchange takes place through the plasma membrane in

A. hydra
B. paramecium
C. flatworm
D. earthworm

One of the characteristics of secondary succession is that it

A. starts on a bare surface
B. takes longer time to reach climax
C. starts on already colonized surface
D. starts with low organism

One of the components of xylem tissue is

A. companion cell
B. tracheid
C. sieve tube
D. epidermal

Which of the following statements explains the theory of natural selection?

A. There is no struggle for existence
B. New species get better adaptation
C. The weaker offspring are eliminated
D. Unused structures disappear later

The chemical and physical composition of soil is an example of

A. climatic factor
B. topographic factor
C. Edaphic factor
D. chemical factor

The abiotic factor that affect the population growth of an organism is

A. predator
B. rainfall
C. food shortage
D. disease

The cells responsible for transmitting messages to the effectors are

A. motor neurons
B. sensory neurons
C. hair cells
D. relay neurons

The oxygen transported to all parts of the body during blood circulation is used for the

A. growth and development of cells
B. removal of waste products
C. release of energy from food
D. formation of carboxyl haemoglobin

After fertilization in plants, the zygote develops into

A. fruit
B. an embryo
C. seed
D. an endosperm

Use the diagram above to answer the question that follows

The organ is responsible for

A. production of heat
B. osmoregulation
C. vasoconstriction
D. production of hormones

Which of the following evidences of evolution employs the use of radio-isotope dating?

A. comparative anatomy
B. Embryology
C. Fossil records
D. vestigial organs

Pentadactyl forelimb of vertebrate function due to differences in environment is

A. comparative anatomy
B. physiological evidence
C. embryological evidence
D. fossil records

Biology 2024 JAMB Past Questions Secure Now