1. A semi conductor in which the holes are excess is . a. P-typeb. N- type C. P-n type D. Ohmic type.
2. Two parralel wires carrying current in opp direction will — a. Be attracted to each other B. Not affected C. Attract then repel D. Repel.
3. Induced current in faraday’s law of electromagnetic induction depends on.
4. Which of the following is a non magnetic materialA. IronB. PlatinumC. CobaltD. Steel.
5. The compound used as “antifreeze” in car radiators in cold regions of the world isA. EthanolB. Ethylene glycolC. EthanalD. Propane-1, 2-diol
The kind of joint found in the scapula of a mammals is……A.sliding and glidingB. Hinge jointC. Pivot jointsD. Ball and socket.
2023 BIO Q
The kind of joint found in the pelvic which runs the femur of a mammals is……A.sliding and gliding B. Hinge jointC. Pivot jointsD. Ball and socket.
2023 BIO Q
The kind of joint found in the knee and elbow of a mammals is……
A.sliding and gliding B. Hinge joint C. Pivot joints D. Ball and socket.
The kind of joint found in between the atlas and axis vertebrae of a mammals is……A. sliding and gliding B. Hinge joint C. Pivot joint D. Ball and socket.
What type of teeth is the least numerous in herbivores A. Incisors B. Canines C. Premolars D. Molars..
QUESTIONS FROM TODAY’S JAMB 2023:
Hydrogenation of Benzene to Cyclohexane A. Cracking B. PolymerisationC. Reforming D. Aromatization
If the half life of a particle is 4.5 how long will it decay 3/4 of its mass .BaS04 is A)soluble salt B)insoluble salt C)neutral salt D)basic salt
Fundamental frequency of open closed pipe came out:
Questions on biology
1. The national park of Nigeria is located at A …. edo state B.. ogun state C … Lagos…. D … kaduna
2… a criminal can be traced through which of the following A.. blood group B fingerprint C genotype
CHEMISTRY 1
The vigorous oxidation of primary alkanol yields?2. The metallic part of clay is?
3. Which of the following metals would not form amalgam?
4. The restructuring of organic compounds to convert it from straight to branched chain is called?
5. Which indicator would be used for the following reaction and what colour would it give?KOH + CH3CH2COOH H2O + CH3CH2COOK
6. Identify Reducing/ Oxidizing agents in equations
7. Calculations involving volume/mole/molar concentration
8. Which of the will exhibit the most electronegative character? a ) Al b) Si c) P d) S9.
Hydrolysis of organic nitriles will yield?
10. The bomb calorimeter makes use of which of the following?ans: Combustion
11. How many isomers of C4H9OH will be a tertiary alkanol?
12. Oxides of non-metals give?ans: Acidic oxides
13. Name the compound CH3CH2COOCH3
14. In the reaction 2SO2 + O2 -X– 2SO3 , X is?
15. Which of these make oils distinguished from fats? ans: Oils contain a higher proportion of unsaturation
16. If at a temperature of 120oC, the rate of formation of a product is 40cm3sec-1, what will be the new rate of formation of the product at 130oC
PHYSICS
1. Which of the following is not a mechanical wave?a ) Water wave b) radio wave c) sound wave d) waves on a string
2. The unit of the moment of couple is?
3. Which of these is an advantage of the alcohol thermometer to the mercury thermometer?ans: Low freezing point
4. Find the velocity ratio of a screw jack with pitch 0.3cm and arm length of 6cm
5. Which of the following properly describes photoelectric effect?
6. In a Capacitor, the current leads the voltage by?
7. Calculations involving mass, volume, and density
8. Calculate the Total capacitance connected in series, 4uF, 4uF, 4uF (Diagram)
9. Calculation involving force constant, and energy stored in a spring
10. If two plane mirrors are positioned side by side, the number of images formed is 8. At what angle are they positioned ?
11. Calculations involving linear expansivity
12. A uniform metre rule AB has a knife edge balanced at 60m away from B, when a load of 22g is kept 10m away from A, what is the weight of the metre rule?
13. A pin floats on water due to which phenomenon?
14. Which of the following describes photoelectric effect?
15. A DC and an AC have basically the same components, except that in the DC, there is the …..?
16. Which of these is the function of the p-n junction diode?
17. Calculation involving heat loss, heat gain, and latent heat
PHYSICS QUESTIONS FROM TODAY’S JAMB EXAM…
the options aren’t there though and it’s not word for word either..
Why do pressure pots cook food faster than other convectional pots?
2. When a bar magnet is suspended freely in the Earth’s magnetic field, it will point to?
3. The point where a ball moving in a viscous liquid start to move with uniform velocity is
4. A stone weighs WI Newton in air, W2 Newton in water, what is the relative density of the stone?
5. A light of 6.22eV is incident on a cadmium surface. If a stopping voltage of 2.15eV is required to reduce the photocurrent to zero. Calculate the work function of the Cadmium.
6. A vapour is said to be saturated when it is?
7. Ten 6V cells connected in parallel will give an effective emf of?
8. The ejection of electron from the surface of a hot metal is known as?
9. Where does refraction takes place?
Today’s Real JAMB questions from the Life Changer
1.) Unmi family was a}poorb} affluentc}Richd} Average
2) Umi husband is a………a} business manb} teacherc} bankerd} civil servant
3) Salma was concious of her…………..a} inconsiderate behaviorb} dressingc}past memories
4} Umi shared Salma’s EMAL story to givers her children ___a} retributionb} warningc} moral developmentd} educational background.
5} how did Umi feel during her registration ………….She recounts how she met Salma and how she embarrassed herself for saying spiteful things about the University official at the faculty registration office.
1.Which of the following is a physical change? a.The bubbling of chlorine into water. B. The bubbling of chlorine into a jar containing hydrogenc.The dissolution of sodium chloride in waterd. D. The passing of steam over heated iron
2.Under high pressure,real gases do not obey gas laws because their molecules?a.Have become more energeticb.Have become less energeticc. C. Have become smaller in sized. d. Decompose into atoms
3.Corrosion is exhibited by? a.Iron onlyb.Electro positive metals c.Metals below hydrogen in the electrochemical series d.All metals
4.Two metallic ions associated with hard water are? a.Copper and zinc b.Magnesium and silver c.Calcium and magnesium d.Potassium and tin
5.Calculate mass of magnesium that would be deposited by 8 Faraday’s of electricity. (Mg=24) a.96gb.48gc.72gd.120g
CHEMISTRY
1. The vigorous oxidation of primary alkanol yields?
2. The metallic part of clay is?
3. Which of the following metals would not form amalgam?
4. The restructuring of organic compounds to convert it from straight to branched chain is called?
5. Which indicator would be used for the following reaction and what colour would it give?KOH + CH3CH2COOH H2O + CH3CH2COOK
6. Identify Reducing/ Oxidizing agents in equationws
7. Calculations involving volume/mole/molar concentration
8. Which of the will exhibit the most electronegative character?a ) Al b) Si c) P d) S9.
Hydrolysis of organic nitriles will yield?
10. The bomb calorimeter makes use of which of the following?ans: Combustion
11. How many isomers of C4H9OH will be a tertiary alkanol?
12. Oxides of non-metals give?ans: Acidic oxides13. Name the compound CH3CH2COOCH314. In the reaction 2SO2 + O2 -X– 2SO3 , X is?15. Which of these make oils distinguished from fats?ans: Oils contain a higher proportion of unsaturation16. If at a temperature of 120oC, the rate of formation of a product is 40cm3sec-1, what will be the new rate of formation of the product at 130oC17. Calculations for solubility in mol/dm-318. The characteristic crystalline shape of solid water is due to?a )Ionic bond b) dative bondc) hydrogen bond d) vander waals
