2024 Biology
- 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
I
6 X + 6 H22O → C66H1212O66 + 6O22
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
10. The part of the inner ear that is responsible for hearing is
- A. sacculus
- B. cochlea
- C. utriculus
- D. ampullae
11. The changes of living organisms over generation is referred to as
- A. human evolution
- B. organic evolution
- C. physical evolution
- D. chemical evolution
12. 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
13. 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
14. 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
15. 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
16. Which of the following structures enables the exchange of gases in insects?
- A. skin
- B. tracheae
- C. Malpighian tubules
- D. flame cell
17. The total number of ATP produced during glycolysis is
- A. 3 molecules
- B. 2 molecules
- C. 4 molecules
- D. 6 molecules
18. 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
19. Bile is a greenish alkaline liquid which is stored in the
- A. gall bladder
- B. liver
- C. stomach
- D. pancreas
20. A medium texture soil with high organic matter is
- A. clay
- B. loamy
- C. humus
- D. sandy
21. One of the following is an example of discontinuous variation
- A. shape of the head
- B. blood group
- C. body complexion
- D. pointed nose
22. 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
23. The transmission of diseases through contamination of food is an economic importance of
- A. mosquitoes
- B. cockroaches
- C. butterflies
- D. bees
24. Bryophyte is an intermediate group between higher algae and
- A. thallophyte
- B. pteridophyte
- C. spermatophyte
- D. tracheophyte
25. 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
26. The first organism evolved from which of the following habitat?
- A. terrestrial
- B. arboreal
- C. aquatic
- D. desert
27. 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
28. A fruit formed from one flower with many carpels is referred to as
- A. simple
- B. multiple
- C. aggregate
- D. false
29. 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
30. 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
41.
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