INSTRUCTIONS: Answer Three Questions in All. Two Questions From Section A and the Compulsory Question in Section B.
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JAMB CBT Biology Questions Got You Stumped? Here’s Help
SECTION A
Answer Two Questions Only From This Section
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(1a)
(i) Spiders senses through their cuticles while insects possesses one pair of antenna
(ii) The body of spiders is divided into two segments: cephalothorax and abdomen, whereas the body of insects is divided into three segments: head, thorax, and abdomen.
(iii) Spiders have eight legs while insects have six pairs of legs
(iv) Spiders have four appendages while insects have three
(1bi)
[Tabulate]
PRAWN:
(i) It has ten legs
(ii) Has two body segments
(iii) Absence of wings
(iv) Possession of rostrum
(v) Absence of stylus
COCKROACH:
(i) It has six legs
(ii) Has three body segments
(iii) Possession of wings
(iv) Absence of rostrum
(v) Presence of stylus
(1bii)
(i) Both has compound eyes
(ii) Both posseses antenna
(iii) Both has abdomen
(1c)
(i) Possession of detachable tail for safety when it needs to escape from the predator
(ii) Possession of sharp, tricuspid teeth that help catch, grab, grip, and cut prey
(iii) Possession of four legs and has powerful limb for escape
(iv) Possession of fringe-toe which enables them move quickly across the sand.
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(2a)
Photosynthesis can be tested by testing for starch in a green leaf. The leaf is detached after about 2-3 hours in the sun, boiled and then the green pigment is extracted using alcohol. Iodine solution is then added to the leaf. It turns blue-black, it shows photosynthesis has taken place.
(2bi)
(i) Oxygen
(ii) Carbon dioxide
(2bii)
(i) Oxygen : Water in leaf
(ii) Carbon dioxide: Atmosphere
(2ci)
This is because they do not have teeth and they can not chew solid particles
(2cii)
(i) Minerals
(ii) Vitamin
(iii) Protein
(iv) Carbohydrate
(2d)
Add some of the egg white to the biurets solution in the test tube and mix thoroughly while still hand warming. The blue colour will change to violet to show the presence of protein
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(3ai)
Predation
(3aii)
(i) Competition
(ii) Temperature
(iii) Water
(iv) Food
(v) Disease
(3b)
[Tabulate]
-TIME-
10
20
30
40
50
-GIRAFFE-
120
160
140
120
140
-LION-
50
20
30
60
20
(3c)
The graphs shows the inverse relationship between the giraffe and lion at every instant period of time. In each month, a decrease in lions leads to an increase in giraffe and an increase in lions leads to a decrease in giraffe.
(3d)
Prolonged drought will result to a decline in the population of both species due to drought which will affect the availability of food.
(3e)
(i) The population of giraffe will decrease due to an increase in predation
(ii) The population of lions will decrease overtime due to competition for food.
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(4a)
The process takes place in three main steps which are: initiation, elongation, and termination. In order to fit within a cell’s nucleus, DNA is packed into tightly coiled structures called chromatin, which loosens prior to replication allowing the cell replication machinery to access the DNA strands. The latter leads to the replication of the gene.
(4bi)
Chromosomes can be defined as rods or thread-like bodies found in the nucleus of a cell. The chromosomes house or contain the gene.
(4bii)
(Choose one)
(i) Chromosome helps ensure that DNA is replicated and distributed appropriately during cell division
(ii) Chromosomes carry genes and help in the transfer of character from parents to offspring.
(4biii)
The X and the Y Chromosomes
(4c)
This is because the process of cell division takes place. During this process, meiosis occurs leading to the production of haploid number of chromosomes (n) from a diploid number
(4d)
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SECTION B
Answer All The Questions In This Section
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(5a)
Chemosynthesis is a process through which certain bacteria synthesize their food using inorganic materials in the soil. It is form of autotrophs nutrition eg Nitrification
(5b)
(i) Sunlight
(ii) Carbohydrate
(5c)
(i) Photosynthetic/holophytic
(ii) Carnivorous
(5d)
(i)Maize, rice
(ii)Sundew, dodder’s plant
(5e)
(i) It conduct and transmit the sensation of odour
(ii) Anterior end if cerebrum
(iii) Nose
(iv)They are both sense organs and they both transmit impulse in form of fluid. They are both connected via epiglottitis. They both transmit their impulse to the brain.
(5f)
(i) This can be defined as a behaviour that results in mating and eventual reproduction in animals. It is a form of display throwing readiness for mating
(ii) In domestic fowl, the female spread their feathers whenever a female shortly making undue noise which shows readiness for mating
(5g)
(i) Possession of bigger body which enables them to cater for the caste
(ii) Possession of sting to fight against predator
(iii) Possession of Wings for flight
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COMPLETED.
You’re stressing about the biology questions on the upcoming JAMB CBT, aren’t you? It’s no wonder with how tough they can be. But take a deep breath, because you’ve got this. Sure, biology covers a ton of complex concepts, but breaking those concepts into bite-sized pieces can make them feel much more manageable. In this article, you’ll discover proven strategies to tackle even the trickiest biology questions on the 2024 JAMB CBT. We’ll look at how to analyze each question, leverage your knowledge, and use intelligent guessing techniques. With a little practice, you’ll gain the skills and confidence to conquer biology and pass with flying colors. The biology beast won’t seem so scary after all! So keep reading and let’s get you ready to crush this test.
Understanding the JAMB CBT Biology Exam Format
The JAMB CBT biology exam consists of 100 questions to be completed in 1 hour. The questions will cover a wide range of biology topics from your WAEC syllabus. Some questions may be in objective format, like multiple choice, while others may require short answers.
To prepare, focus on understanding concepts and processes, not just memorizing facts. The exam will test your ability to apply what you’ve learned, not just recall information. Work through many practice questions from past JAMB CBT exams to familiarize yourself with the format and scope of the questions.
Know the Question Types
The majority of questions will be multiple choice, where you select the best answer from four options. Be very careful to choose the most correct answer. Some questions may be fill-in-the-blank, requiring a short written response. Others may be matching, where you link related terms or concepts. Understand how to approach each type.
Manage Your Time
Pace yourself to finish all questions in the allotted time. Don’t spend too long on any one question. Guess if needed, then mark questions you want to return to if there’s time at the end. Review and revise your answers if possible. Every second counts, so avoid distractions and stay focused.
Guess Strategically
There is no penalty for incorrect answers, so guess on questions you don’t know. Make an educated guess by eliminating options you know are incorrect. If two options seem equally plausible, pick the one that seems the most inclusive or broadly applicable based on your biology knowledge. Trust your instincts – your first choice is often the best one.
Preparing well and having a solid strategy for the exam format and question types will set you up for success on the JAMB CBT biology exam. Stay positive – you’ve got this! Put in the necessary work and walk into your exam with confidence.
Studying Smart: Tips to Ace the JAMB Biology Exam
To boost your Biology scores in the JAMB exam, you need to develop effective study habits. Cramming the night before will only stress you out and hurt your performance. Instead, space out your studying over time and focus on understanding concepts rather than just memorising facts. Here are some tips to study smart for Biology:
1. Start Early
Don’t wait until the last minute to start studying. Begin at least 2-3 months before the exam. This will give you enough time to learn the material in-depth without feeling rushed. Make a schedule to review one Biology topic each week.
2. Focus on Concepts
Biology is not about memorising isolated facts. Work to understand underlying concepts and how topics relate to each other. Connect ideas across chapters and units. The more connections you can make, the easier the information will be to remember.
3. Practice Solving Problems
Study the format of the Biology exam and work through lots of practice problems. This helps prepare you for the types of questions you’ll see on the actual test. Pay attention to the style and wording of questions. Review how to approach multiple choice, short answer, and essay questions.
4. Study Past Exams
Familiarise yourself with the scope and level of difficulty of past JAMB Biology exams. You can find copies of old tests to work through. This shows you what areas are most likely to be covered and helps avoid surprises on test day. See if you can answer questions from previous years. Review the answers to any questions you struggle with.
5. Teach the Material to Someone Else
One of the best ways to learn something is to teach it to another person. Explain Biology concepts and topics out loud, either to a friend or family member or just record yourself on your phone. This reinforces your own understanding and also points out any areas you’re still unsure about. You’ll retain the information much more effectively this way.
With the right preparation and these useful techniques, you’ll feel ready to ace the Biology section of the JAMB exam. Stay focused, believe in yourself, and keep practicing. You’ve got this! Now get studying.
Key Biology Topics to Master for the JAMB Exam
To ace the biology component of the JAMB CBT, you need to understand some core concepts. Focus your studying on the following key topics.
Cell Biology
Cells are the basic structural and functional units of all living things. Know the parts of the cell, how cells work together in tissues and organs, the phases of cell division, and how genetic information is passed from cell to cell. Understand concepts like diffusion, osmosis, and active transport.
Genetics
Genetics is the study of genes, heredity, and genetic variation. Be very familiar with DNA structure, the process of DNA replication, transcription and translation, and inheritance patterns. Also understand genetic disorders, mutations, and biotechnology techniques like genetic engineering.
Evolution
Know the theories of evolution, natural selection, adaptation, and speciation. Understand the evidence for evolution like fossils, DNA similarities, and geographical distribution of species. Know the evolutionary relationships between groups of organisms.
Ecology
Study how living things interact with each other and the environment. Know the levels of ecological organization from individuals to the biosphere. Understand energy flow, nutrient cycles, ecological niches, biodiversity, population dynamics, and the impact of human activities on the environment.
Classification of Living Things
Memorize the taxonomic classification system and the characteristics of each kingdom: Monera (prokaryotes), Protista (algae, protozoa), Fungi, Plantae, and Animalia. Know examples of organisms in each kingdom and how they are adapted to their environments.
With a solid understanding of these fundamental topics, you’ll be well on your way to succeeding in the biology component of the JAMB CBT exam. Study hard, focus on comprehension over memorization, and practice plenty of sample questions. You’ve got this! Stay determined and don’t get discouraged. With the right preparation, you will do great.
Solving Different Types of JAMB Biology Questions
Multiple choice questions are the most common in JAMB. For these, focus on eliminating incorrect options and look for clues in the question stem and options. Read each option carefully, even if you think one looks obviously correct. Some may be worded to deliberately mislead you!
Short Answer Questions
These require a brief written response, usually just a few words or a short phrase. Keep your answers concise and directly answer the question. Don’t provide extra unnecessary details. Double check that you have covered all parts of the question.
Essay Questions
For longer essay-style questions, make an outline before you start writing to organize your thoughts. Start with an intro paragraph that rephrases the question. Then outline 3-4 main points you want to cover, each with an example or explanation. Wrap up with a conclusion that ties it all back to the original question.
Stick to the point and avoid going off on tangents. Use transition words like “first, “in addition”, and “furthermore” to link your ideas. Check that your grammar, spelling, and punctuation are correct since essay questions are evaluating your writing ability as well as your knowledge.
Diagram Labeling
Study diagrams and models in your course materials and workbooks so you are familiar with all parts. When labeling a diagram, start with the larger parts of the structure, then move to smaller components. Double check that your labels are correctly spelled and placed appropriately on the diagram.
These types of questions test your visual-spatial skills and how well you understand biological structures and systems. Take your time to ensure all areas of the diagram are accurately labeled.
With practice, these question types will become second nature. The key is understanding the biology concepts and topics, not just memorizing facts. Study actively by summarizing key ideas in your own words, drawing diagrams, and quizzing yourself. You’ll gain confidence in applying your knowledge, allowing you to stay calm and focused during the exam.
Practice Makes Perfect: Resources for JAMB Biology Practice Tests
When studying for the JAMB CBT biology exam, practice tests are essential. The more questions you work through, the more familiar you’ll become with the format and content of the actual exam. Here are some of the best resources for JAMB biology practice tests:
Past Questions
Past JAMB biology questions are an invaluable resource. You can find compiled past questions from the JAMB website and in JAMB past question workbooks sold at bookstores. Work through questions from the past 10-15 years to get a feel for the scope and level of difficulty. Review the answers and explanations to understand why the correct choice is right.
JAMB Biology App
The official JAMB biology app offers hundreds of multiple-choice practice questions along with explanations. The questions cover all topics in the JAMB biology syllabus. The app tracks your scores and times you so you can improve your speed and accuracy. It’s available for free download on Android and iOS.
Online Practice Tests
Websites like ExamHot, ExamCrown, and PastQuestion.com.ng provide free JAMB biology practice tests with hundreds of questions. The interfaces simulate the actual CBT exam environment. Review your scores and the explanations to understand concepts you’re still struggling with. Some sites offer question banks that let you create custom practice tests focused on particular topics.
Workbooks and Study Guides
Publishers like Lantern Books, IProject Masterclass, and Supreme Textbooks offer JAMB biology workbooks, revision guides and practice question books. In addition to compiled past questions, they contain extra multiple-choice and theory questions to help reinforce your learning. Work through an entire workbook to prepare for the volume of questions you’ll face on exam day.
With diligent practice using these resources, you’ll walk into your JAMB biology exam with the confidence and skills to ace it. Keep practicing, review explanations, and get help with concepts you find difficult. You’ve got this! With hard work, your JAMB stars are within reach.
Conclusion
Bottom line, don’t let those tricky biology questions on the JAMB CBT get you down. With some focused studying and practice, you’ve got this! Use the tips in this article to help you better understand the key concepts and how to apply them. And be sure to get plenty of rest, eat brain food, and visualize your success on exam day. We believe in you – you’ve worked hard and are going to rock this test. Now go out there and show that JAMB CBT biology section who’s boss! You’ve got the skills, knowledge, and determination to conquer it. Knock ’em dead!
