2023 BIOLOGY JAMB QUESTIONS AND ANSWERS
HINT: COVER ALL THE JAMB 2022 BIOLOGY VERIFIED SYLLABUS
1. Which of the following organisms is at the tissue level of organization?
A. Volvox
B. Chlamydomonas
C. Euglena
D. Hydra ✔️
2. The product of lipase is _________
A. Fatty acids and glycerol ✔️
B. Peptones
C. Maltose
D. Glucose
3. Nitrosomonas is chemosynthetic since it can convert ammonia to ______
A. Nitrate
B. Nitrites ✔️
C. Nitrogen
D. Carbon dioxide
4. The vegetative part of the fungus consist of closely woven narrow branching thread called _______
A. Mycelium
B. Nuclei
C. Hyphae ✔️
D. Cellulose
5. A tapeworm consist of many flat segments known as ___________
A. Proglottides ✔️
B. Scolex
C. Rostellum
D. Hooks
6. What is the compound noted X and Y in the equation below :
C6H12O6 + X ———-> 6H²O + Y + Energy
A. O² and 2O²
B. H2 and 6CO²
C. 6O² and CO²
D. 6O² and 6CO²✔️
7. C6H12O6 is __________
A. Ethyl pentanol
B. Glycerol
C. Glucose ✔️
D. Ethyne
8. Oxygen combines with hemoglobin to produce ____
A. Oxyhemoglobin ✔️
B. Deoxygenated blood
C. Oeroglobin
D. Oxyeoglobin
9. The respiratory organ found in the cockroach is the __
A. Air sac
B. Trachea ✔️
C. Lung book
D. Gill
10. Anaerobic respiration of yeast in a solution of sugar is known as ___________
A. Reduction
B. Oxidation
C. Fermentation ✔️
D. Decomposition
11. In the adult toad, gaseous exchange takes place through the
A. Buccal cavity, skin, and lungs
B. Gills, skin and buccal cavity ✔️
C. Tympanic membrane, lungs and gills
D. Buccal cavity, bladder and lungs
12. Which of the following is not an excretory product of plants?
A. Tannins
B. Carbon dioxide
C. Resins ✔️
D. Gum
13. Which part of the mammalian skin is directly involved in excretion ?
A. Hail follicle
B. Sweat gland ✔️
C. Sebaceous gland
D. Horny layer
14. Water vapour is lost in plants during transpiration through_____________________
A. Xylem and stomata✔️
B. Stomata and lenticels
C. Parenchyma and lenticels
D. Guard cells and lenticels
15. The hormone insulin is secreted in the
A. Stomach
B. Pancreas ✔️
C. Buccal cavity
D. Anus
16. What is the unit of the nervous system?
A. Nerve
B. Nephrone
C. Dendrone
D. Neurone ✔️
17. Deficiency of insulin result in ___________
A. Uterus damage
B. Diabetes mellitus ✔️
C. Retarded growth
D. Eye defect
18. _____________induces the production of fruits without fertilization
A. Adrenalin
B. Thyroxine
C. Gibberellin ✔️
D. Progesterone
19. An individual with blood group AB can receive blood from those in blood group (s)
A. AB only
B. A and B only
C. AB and O only
D. A, B , AB and O ✔️
20. Muscles are attached to the bones by
A. Synovial membrane
B. Ligament✔️
C. Connective tissue
D. Cartilages
21. Which of the following parts is not found in the scapula ?
A. Glenoid cavity
B. Spine
C. Coracoid process
D. Condyle ✔️
E. Acromion process
22. Pollen grains are produced in the
A. Pistil
B. Anther✔️
C. Stigma
D. Style
23. The menstrual cycle is controlled by
A. Ovum maturation
B. Copulation
C. Ovulation
D. Gonadotropin and ovarian hormones ✔️
24. What is the function of the prostate and Cowper’s glands of the man’s reproductive organs?
A. Sperm production
B. Sperm regulation
C. Production of secretions✔️
D. Regulation of the erection of penis
25. Which of the following pathogens causes polio-myelitis ?
A. Bacterium
B. Plasmodium
C. Virus ✔️
D. Trypanosoma
26. The casual organism for coccidiosis is __________
A. Protozoa ✔️
B. Virus
C. Bacteria
D. Nematoda
27. Which of the following reagents is used for the test of starch ?
A. Million’s reagent
B. Fehling’s solution
C. Sudan III
D. Iodine solution ✔️
28. The condition known as cretinism is caused by the deficiency of ___________________
A. Adrenalin
B. Thyroxine ✔️
C. Insulin
D. Vitamin C
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29. Which sequence represent the correct order of organisms in a food chain ?
1. Toad
2. Mucuna
3. Grasshopper
4. Snake
5. Hawk
A. 5 -> 4 -> 1 ->3 ->2
B. 1 -> 2 -> 3 -> 4 -> 5
C. 2 -> 1 > 3 -> 4 -> 5
D.2 -> 3 -> 1 -> 4 -> 5 ✔️
30. A pair of genes that controls a trait is described as
A. Dominant
B. Recessive
C. Allele ✔️
D. Variant
E. Hybrid
31. Which of the following is not a type of fingerprint ?
A. Compound
B. Arch
C. Simple ✔️
D. Whorl
32. Which of the following is a precise location of the gene ?
A. Chromosome✔️
B. Centrosome
C. Centriole
D. Ribosome
33. How many chromosome are found in the human ovum ?
A. 46
B. 23 ✔️
C. 33
D. 13
34. Amoeba moves by the means of
A. Cilia
B. Flagella
C. Pseudopodia ✔️
D. Chetea
35. The theory of use and disuse of organs was propounded by :
A. Gregor Mendel
B. Charles Darwin
C. Jean Lamarck ✔️
D. Robert Hooke
Thanks a lot. It’s really helpful!
welcome
My exam is tomorrow sir can I get on 19 and today biology questions please sir
Did you get questions related to these last year?
Yes, not related to, exactly some of the questions came out
Correct
Did you get the same question pls reply
Plssssdd
I have exams tomorrow by 7
Good luck
Please I need to get up to 280 in jamb this year please help me
Thanks a lot. That’s really helpful!
welcome
Hello did you get questions like this last year?
I need help
Is it true these are likely questions and answers for jamb 2021?
yes ssir
Is this for 2021 questions
Yes
Is this the exact jamb questions 2021?
No sir
Thank you so much
welcome
Is it real
No sir
Please my exams is on Tuesday. Is is 2021 jamb question?
No
Beautiful
Is this the 2022 jamb question ?
Possible jamb questions
I guess we’re both on the same page…….my exams is tomorrow and I’m so scared
Sir can i get a jamb question in biology
yes
Is this real
yes
My exam is on Monday 7th😒😒
Ok so?
Good luck fam
I pray 🙌👏🙏🙇 let this be real
it will
Is this actually real?
No jokes u knw, my exam is 2mao
Nothing is promised
So interesting. Thanks. I need 2022 questions and answers on English, physics, chemistry and Biology
My exam is 9 of this month sir, pleace can get some question in biology
Am writing exam tomorrow please can I get biology, chemistry and physics question
Am writing exam tomorrow please can I get biolog y, chemistry and physics question please help me
Exam was tough oo. Give GOD All d glory
My exam is coming up plz 🥺 sir help
My exam is next month
29 April 2023. Please sir i need help on my biology and chemistry
My exam is next month april 29 2023 Pls sir i need help on my chemistry physics and biology pls
sir please I want chemistry and physics
Comment Text* Pls sir i need 2023 Question pls Both physics and chemistry
Nice