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Part 2: Jamb cbt 2024 Biology Questions & Answers

You’ve struggled with physics in the past, and now the big JAMB exam is coming up. Those tricky physics questions on the computer-based test seem impossible to solve. Your heart starts racing every time you think about it. But don’t panic! We’ve got your back. In this article, we’ll share our secret sauce for acing the physics portion of the JAMB CBT. With a few simple tips and a dash of confidence, you’ll be solving those physics problems like a pro. Stick with us, and we’ll walk you through sample JAMB physics questions, breaking down the concepts and showing you step-by-step how to arrive at the right answer. Before you know it, you’ll feel prepared and empowered to conquer the physics section. So take a deep breath, grab a pen and paper, and let’s get cracking with our tried and true strategies for success

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(1ai)
A – Toad
B – Tilapia Fish
C – Bird

(1aii)
II – Parotid Gland
III – Toes
V – Caudal fin
VI – Operculum

(1aiii)
VII – It is used for eating, preening, and killing prey.
VIII – It serves to protect the ears while also cutting down on wind noise.

(1aiv)
A – Amphibia
B – Actinopterygii
C – Aves

(1av)
TABULATE
-A-
(i) Not entirely aquatic, but most of the larval stages live in water and move to land
(ii) Respiration takes place through the lungs mainly.
(iii) Metamorphosis is common

-B-
(i) Entirely aquatic
(ii) Respiration mainly through gills, except lungfishes
(iii) Metamorphosis is very rare

(1avi)
Aquatic habitat

(1b)
I – Bell jar
II – Polythene bag
III – Potted plant
IV – Water droplets

(1bii)
II – It prevents water from evaporating from the soil and stem
III – It helps in transpiration

(1biii)
It serves as a control experiment

(1biv)
(i) Cooling effect
(ii) Translocation of mineral salts
(iii) Good growth of the plant

(1bv)
An experiment to demonstrate the transpiration phenomenon in the young potted shoot

(1bvi)
(i) Prevent the leakage of air into and out of the bell jar by inverting it over a glass sheet
(ii) Properly fit the polythene bag
===========================

(2ai)
F – A simple leaf
G – A hibiscus flower

(2aii)
II – Leaf
III – Reticulate venation
IV – Leaf stalk
VI – Lamina

(2aiii)
-Stamen-
(i) VIII – Anther
(ii) IX – Filament

-Carpel-
(i) VII – Stigma
(ii) X – Style
(iii) XII – Ovary

(2aiv)
F – for photosynthesis
G – for reproduction

(2bi)
H – Skull of a dog

(2bii)
H – Dentition in carnivores

(2biii)
I – Sagittal crest
II – Carnassials
IV – Incisors
V – Canines

(2biv)
I – It serves as one of the main chewing muscles
II – It is used for cutting, grinding, chewing bones and tendons
IV – It is used for cutting flesh from bones
V – It is used for killing prey and tearing flesh from bones

(2bv)
(i) Hyena
(ii) Lion
===========================

(3ai)
A longitudinal section of a tomato fruit

(3aii)
I – Exocarp
II – Locular cavity
III – Seeds
IV – Sepal
V – Pendicel

(3aiii)
Axile placentation

(3aiv)
(i) It serves as a source of rich minerals
(ii) It attracts foreign exchange earnings when processed
(iii) It goes with other raw materials during processing and packaging, increasing their demands.

(3bi)
J – Hinge Joint
K – Structure of a ball and socket joint
L – Gill

(3bii)
I – Ligament
II – Patella
IV – Bone
VII – Gill filament
VIII – Gill racker

(3biii)
I – It holds the together
V – It reduces friction
VI – It limits the directions

(3biv)
K – Shoulder
L – Head of a fish

(3bv)
(i) Possession of gill rackers
(ii) Possession of gill filaments
===========================

Completed.

Understanding JAMB CBT Physics Questions

To succeed in JAMB CBT physics, you need to understand how the questions are structured and what they’re really asking. JAMB physics questions are designed to test your understanding of physics concepts and principles, not just your ability to memorize facts.

Read the Question Carefully

Many students lose marks simply because they misread or misinterpret the question. Read each question slowly and carefully to determine exactly what it’s asking. Pay attention to keywords like “compare”, “define”, “calculate”, or “explain”. These signal what type of response is needed. Don’t rush into solving problems before you’ve fully understood what’s being asked.

Identify the Physics Concepts

Most JAMB CBT physics questions test your knowledge of fundamental concepts like forces, energy, waves, electromagnetism or thermodynamics. Try to identify which main concepts are being assessed in each question. This can help in determining the correct approach and solution. For problem-solving questions, think about which formulas or relationships may apply.

Show Your Working

For calculation questions, you must show all steps in your working to receive full marks. Even if you get the final answer incorrect, showing your methodical working can earn partial marks. Clearly lay out each step of any calculations in a logical order. For explanations, provide a coherent sequence of statements that build upon one another.

Use Proper Units and Significant Figures

Always include proper SI units in your final answers and for any values used within calculations. Give answers to the same number of significant figures as the values in the question. Paying attention to units and sig figs is an easy way to gain marks.

Review and Check Your Responses

With the time remaining, go back and review your responses. Double check that you have answered the actual question being asked. Verify any calculations. Proofread for any errors in units, sig figs or terminology. Make sure your explanations are clear and complete. A quick review can identify mistakes and earn you more marks.

Succeeding in JAMB CBT physics comes down to understanding the questions, identifying key concepts, showing methodical working, and reviewing your responses. With practice, these techniques can become second nature and help you maximize your physics score.

Common Topics Covered in JAMB Physics

JAMB Physics questions typically cover a range of topics from your secondary school curriculum. Some of the most common areas include:

Kinematics

Questions on kinematics deal with describing the motion of objects. This includes topics like displacement, velocity, acceleration and graphs of motion. You’ll need to be very familiar with formulas relating distance, speed, time and acceleration.

Forces

Forces are pushes or pulls on an object that can cause changes in motion. Questions may cover different types of forces like contact forces (friction, normal reaction), gravitational force, and applied forces. You’ll also need to understand how forces relate to acceleration and Newton’s laws of motion.

Work, Energy and Power

This topic explores different forms of energy like kinetic, potential, heat and light. You’ll need to know how energy is measured, calculated and converted. Questions may also cover power, the rate at which work is done or energy is transferred.

Simple Harmonic Motion

Simple harmonic motion refers to the repetitive oscillation of an object or system. Questions may cover topics like the motion of a pendulum, spring or mass on a spring. You’ll need to understand characteristics like frequency, amplitude, period, displacement, velocity and acceleration.

Rotational Motion

Rotational motion refers to the spin or turn of an object. Questions may cover torque, angular momentum, moment of inertia, angular velocity and angular acceleration. You’ll need to understand how these quantities relate to linear motion and forces.

To tackle JAMB Physics, focus on understanding key concepts and relationships, not just memorizing formulas. Work through many practice questions on each topic to boost your confidence. With hard work and persistence, you’ll be solving JAMB CBT physics questions in no time!

Strategies for Solving JAMB CBT Physics Questions

Familiarize yourself with the exam format

Knowing the format and structure of the JAMB CBT Physics exam will help you prepare adequately. The exam consists of 50 questions to be answered in 50 minutes. The questions are multiple-choice, so you need to choose the best answer from the options provided. Understand how the questions and options are presented to avoid confusion on exam day.

Focus on understanding concepts

Don’t just memorize formulas, understand the concepts and theories behind them. Questions often test your understanding of concepts, not just calculations. Pay attention to units, dimensions, and significant figures. Understanding concepts will also help you apply your knowledge to new questions.

Practice consistently

Set a regular practice schedule and stick to it. Solve past questions from JAMB CBT mock exams and workbooks. This helps you get familiar with the question styles, builds up your speed, and confidence. Aim for at least 50 questions three times a week in the months leading up to the exam. Make sure to time yourself to get used to the timing constraints.

Guess logically

There’s no penalty for wrong answers, so guessing logically is better than not answering at all. First, eliminate options that are clearly wrong. Next, look for keywords in the questions and options to determine relationships. Pick the most likely choice based on concepts you’re familiar with. Remember, your guess could be right!

Review areas of difficulty

Go over questions you struggled with to identify topics or concepts you need to review. Ask a teacher or tutor for help understanding areas of difficulty. The key to excelling on the Physics exam is having a solid grasp of all topics. Don’t ignore weaker areas, review them well ahead of the exam.

Following these strategies will help you approach the JAMB CBT Physics exam with more confidence. With enough preparation and practice, you’ll be solving those questions in no time and securing your desired score. Stay focused, you’ve got this!

Practice Makes Perfect – Doing Physics Past Questions

To ace JAMB CBT physics, practicing past questions is key. Past questions expose you to the types of questions to expect and help build your problem-solving skills. As the saying goes, “practice makes perfect.”

Focus on High-Yield Topics

Not all topics in the JAMB physics syllabus carry the same weight. Focus on areas like mechanics, electromagnetism, waves, and optics. These sections typically contain the bulk of the questions. Spend less time on topics like modern physics or solid state physics, which usually only have 1-2 questions.

Learn From Your Mistakes

When reviewing past questions, make sure you understand why each option is right or wrong. Don’t just look at the answers—think through the reasons. This helps cement the concepts in your mind and builds your intuition for similar questions in the future. If there are topics or types of questions you struggle with, spend extra time practicing those. With regular practice, those tricky areas will become second nature.

Time Yourself

Past questions are also useful for building up your timing. Set a timer to simulate the actual exam conditions. This helps you get a feel for how long each question may take and ensures you can complete all required questions in the allotted time. If you struggle to finish in time at first, don’t worry—your speed and efficiency will improve with regular practice.

Mix It Up

Don’t practice questions from just one year or exam. Use questions from as many years as possible to expose yourself to the widest variety of questions. The more diversity in the questions you practice, the better prepared you’ll be for whatever JAMB decides to include on your exam.

With diligent practice of physics past questions, you’ll build the knowledge, skills, and confidence to overcome any question on your JAMB CBT. Keep at it, focus on understanding the concepts, and time yourself—you’ll be solving questions with ease in no time!

Physics Formulas and Equations You Need to Know

To solve JAMB CBT physics questions successfully, you need to have some key formulas and equations at your fingertips. These represent the core concepts and relationships in physics that will come up again and again.

Kinematics:

  • Displacement (d) = Final position – Initial position
  • Velocity (v) = Displacement/Time
  • Acceleration (a) = Change in velocity/Time

These formulas describe motion and how an object’s position, speed, and acceleration change over time. Know them inside out!

Forces:

  • Force (F) = Mass (m) x Acceleration (a)
  • Action-Reaction Pairs: When one object exerts a force on another object, the second object also exerts the same magnitude of force back on the first.

Forces cause changes in motion. The more force applied, the greater the acceleration. And for every force, there is an equal and opposite reaction force.

Energy:

  • Kinetic Energy (KE) = 1/2 x Mass x Velocity2
  • Potential Energy (PE) = Mass x Gravity x Height
  • Law of Conservation of Energy: Energy cannot be created or destroyed, it can only be transferred from one form to another.

There are two main types of energy: kinetic and potential. Kinetic energy depends on an object’s motion, while potential energy depends on an object’s position or condition. According to the law of conservation of energy, the total amount of energy in a system remains the same, though it can change forms.

Momentum:

  • Momentum (p) = Mass x Velocity
  • Law of Conservation of Momentum: When objects collide in an isolated system, the total momentum before and after the collision is the same.

Momentum depends on how much matter is moving and how fast it’s moving. During collisions, momentum is transferred between objects but the total amount of momentum stays the same.

Mastering these fundamental formulas and concepts is the key to success in JAMB CBT physics. Know them by heart, understand how they relate, and you’ll be well on your way to answering any question!

Conclusion

You got this! With some focused studying using the tips outlined here, you’ll be ready to tackle those JAMB physics questions head on. Don’t let the stress get to you. Take some deep breaths and remember that you know this material. Review your notes, work through some practice questions, and get plenty of rest before the exam. We believe in you! You’ve prepared for this and you’re going to do great. Walk into that test center with your head held high, ready to show what you’ve learned. Keep calm, stick to the plan, and knock that physics section out of the park. You’ve totally got this! Now go out there and ace that test.

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