Jamb Questions To Expect on Biology Exam For 2024 [Updates]

JAMB Questions on Biology 2024, Joint Admissions and Matriculations Board (JAMB) is an examination board, In a year, over 1 million candidates registered for the exams coordinated by JAMB.

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If you are searching for JAMB Questions on Biology 2024 or Jamb Expo for Biology 2024 then let’s get started with the JAMB Questions on Biology 2024

1. The flowering plant is monoecious if
A. the androecium is found on one plant
B. the gynoecium is monocarpous
C. It produces essential organs the gynoecium and androecium are on the same plant the flowers are unisexual
D. the gynoecium and androecium are on the same plant
E. the flowers are unisexual

2. Pepsin is a digestive enzyme that breaks
A. cellulose into glucose molecules
B. carbohydrates into simple sugars
C. protein into peptones
D. fats into glycerol and fatty acids
E. sucrose into glucose and fructose.

3. In a Biuret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive result?
A. Mercurous nitrate
B. Copper sulfate
C. Mercuricnitrate
D. Sodium carbonate
E. Ammoniumhydroxide

4. In a dicot leaf, guard cells differ from other epidermal cells because they
A. have no definite shape
B. lack nuclei
C. are smaller
D. contains chloroplasts
E. lack vacuole.

5. The mouth part of the housefly is adapted for
A. lapping and sponging.
B. sucking and chewing.
C. piercing and sucking.
D. chewing and lapping.
E. biting and chewing.

6. The parts used by tapeworm to fasten itself to the host’s intestine are the
A. neck and suckers
B. hooks and suckers
C. rostellum and suckers
D. young proglottis and neck
E. rostellum, hooks, and suckers.

7. C6H12O6 is __________
A. Ethyl pentanol
B. Glycerol
C. Glucose
D. Ethyne
E. Ethanol

8. Oxygen combines with hemoglobin to produce ____
A. Oxyhemoglobin
B. Deoxygenated blood
C. Oeroglobin
D. Oxyeoglobin
E. deoxygenated hemoglobin

9. The respiratory organ found in the cockroach is the __
A. Air sac
B. Trachea
C. Lung book
D. Gill
E. Fins

10. Which of the following statements is NOT true of enzymes? They
A. are proteins B.need cofactors to activate them
C. are sensitive to hydrogen ion concentration
D. are specific in their action
E. can withstand high temperatures

11. Which of the following statements is NOT true of the piliferous layer of a root? It
A. has a very thin cuticle
B. is the outermost layer of the cortex
C. may bear root hairs
D. breaks down as the root ages
E. is replaced by a cork in old roots.

12. Which of the following types of vertebrates occur in equal numbers in the rabbit, rat, and man?
A. Caudal
B. Thoracic
C. Lumbar
D. Cervical
E. Sacral

13. The parts used by tapeworm to fasten itself to the host’s intestine are the
A. neck and suckers
B. hooks and suckers
C. rostellum and suckers
D. young proglottis and neck
E. rostellum, hooks, and suckers.

14. The path taken by glucose from the ileum to the heart is
A. ileum hepatic portal vein hepatic artery vena cava heart.
B. ileum hepatic portal artery hepatic artery vena cava heart.
C. ileum hepatic portalvein vena cava heart
D. ileum hepatic vein vena cava heart.
E. ileum hepatic portal vein hepatic vein vena cava heart.

15. The kidneys of all vertebrates act as Osmo regulators. This means that they
A. keep the composition of the plasma constant
B. regulate osmotic processes C. Control the volume of blood entering the kidneys
D. decrease the osmotic pressure of blood
E. increase the osmotic pressure of blood.

16. Which of the following cell constituents is NOT common in both plants and animals?
A. Mitochondria
B. Chloroplasts
C. Ribosomes
D. Golgi apparatus
E. Vacuoles.

17. Which of the following statements about the definition of man is Incorrect? Man has
A. more molars than incisors
B. no diastema
C. the same number of teeth on upper and lower jaws
D. a total of thirty-two teeth
E. a total of six molars.

18. Which of these worms is beneficial to man?
A. Hookworm
B. Tapeworm
C. Roundworm
D. Earthworm
E. Guniea worm

19. When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it
A. remains unchanged
B. takes up water and burst
C. absorbs a little water
D. loses water and shrivel
E. becomes turgid.

20. The dental formula i 3/3: c 1/1: pm4/4: m2/3 = 42 represents that of a
A. rabbit
B. full-grown man
C. young child
D. dog E. sheep.

21.Banana, plantain, and pineapple can be grouped together because they
A. produce small seeds
B. are multiple fruits
C. produce suckers
D. have runners
E. have bulbils.

22. Which of the following diseases is NOT caused by a virus?
A. Rinderpest
B. Maize rust
C. Newcastle disease
D. Swine fever
E. Cassava mosaic disease.

23. A centipede differs from a millipede by its
A. colour
B. numerous abdominal segments
C. paired legs on each abdominal segment
D. poison claws
E. cylindrical body.

24. Which of the following statements on the mammalian circulatory system is Not true?
A. Blood in the pulmonary artery is richer in oxygen content than blood in the pulmonary vein
B. The blood in the hepatic portal vein is the richest in food substances.
C. Blood flow is controlled by valves in the veins
D. Arteries are generally thicker and larger than veins.
E. Fibrin helpsin the formation of a blood clot.

25. Groundnut is not really a ‘nut’ in the biological sense because
A. it is harvested from inside the ground
B. its pericarp is not hard and tough.
C. the fruit is succulent
E. it is an achene.

26. A 28g soil sample was heated to a constant weight of 24g. When further heated to red hot and cooled, it weighed 18g. What is the percentage of humus in the soil?
A. 22.2
B. 55.6
C. 75.0
D. 25.9
E. 35.7.

27. What type of fruit is formed from a single flower having several free carpels?
A. multiple fruits
B. Simple fruit
C. Aggregate fruit
D. Dehiscent fruit
E. Indehiscent fruit.

28. Groundnut is not really a ‘nut’ in the biological sense because
A. it is harvested from inside the ground
B. its pericarp is not hard and tough.
C. the fruit is succulent
E. it is achene.

29. Which of the following statements is NOT true of insectivorous plants?
A. They obtain part of their food by trapping and feeding on insects
B. They attract insects simply because of pollination.
C. They can grow in soils poor in nitrogenous salts.
D. They can supplement the nitrogen supply by feeding on insects
E. Examples include butterworts, sundews and pitcher plants.

30. In woody plants, gases and water vapour are transported across the stems by the
A. xylem fibers
B. medullary fibres
C. medullaryrays
D. phloemfibres
E. phloem parenchyma.

31. Urea is produced in the
A. liver
B. Ladder
C. spleen
D. kidneys
E. gall bladder

NOTE THAT: This question listed above is not 100percent sure but kindly study it and cram it. There is a reason for that.

Jamb Questions To Expect on Physics Exam For 2024 [Updates]

If you are searching for Jamb Expo for Physics 2024 then let’s get started with the JAMB Questions on Physics 2024

1. The distance traveled by a particle starting from rest is plotted against the square of the time elapsed from the commencement of motion. The resulting graph is linear. The slope of this graph is a measure of
A. Initial displacement
B. Initial velocity
C. Acceleration
D. Half the acceleration
E. Half the initial velocity

3. For which of the under listed quantities is the derived unit ML2T-2 correct?
I Moment of a force
II Work
III Acceleration

A. I only
B. II only
C. III only
D. I and II
E. II and III

4. What volume of alcohol with a density of 8.4 x 102kg m-3 will have the same mass as 4.2m3 of petrol whose density is 7.2 x 102kg m-3?
A. 1.4 m3

B. 3.6 m3
C. 4.9 m3
D. 5.0 m3
E. 5.8 m3

5. For correcting long sight defects in the human eye we require a
A. Converging lens
B. Diverging lens
C. Microscope
D. Periscope
E. Plain glass sheet.

6. For a concave mirror to form a real diminished image, the object must be placed
A. Behind the mirror
B. Between the mirror and in focus
C. Between the focus and the center of curvature
D. At the center of curvature
E. At a distance greater than the radius of curvature.

7. The unit quantity of electricity is called
A. The ampere
B. The volt
C. The coulomb
D. The ammeter
E. Electromotive force.

8. The resistance of a wire depends on
A. The length of the wire
B. The diameter of the wire
C. The temperature of the wire
D. The resistivity of the wire
E. All of the above.

9. When a yellow card is observed through blue glass, the card would appear as
A. Black
B. Green
C. Red
D. White

10. In a nuclear plant, the final mass of the products is 6.32×10^-27kg, while the initial mass of the reactant is 6.30×10^-27kg, the energy released in the process is (speed of light in vacuum 3.0×10^8m/s, 1eV = 1.6×10^-19J)

A. 11.25meV
B. 11.25 MJ
C. 12.25MJ
D. 12.25meV

11. A 1.5kg stone was thrown vertically upward with an initial velocity of 42m/s, What is the potential energy of the stone at the highest point reached.
A. 3.15J
B. 13.23J
C. 26.46j
D. 63.00J

12. When two objects P and Q are supplied with the same quantity of heat, the temperature change in p is observed to be twice that of Q. The mass of P is half that of Q. The ratio of the specific heat of P to Q is
A. 1:4
B. 4:1
C. 1:1
D. 2:1

The following statements were made by some students describing what happened during the determination of the melting point of solids

I. The temperature of the solid was constant until melting started

II. The temperature of the solid rose until melting started

III. During melting, the temperature was rising

IV. During melting, the temperature was constant

V. The temperature continued to rise after all the solid had melted.

13. The temperature stopped rising after all the solid had melted. Which of the following gives correct statements in the right order?
A. ii, 1v and v

B. ii, iii and vi

C. i, iii and vi

D. i, iii and v

14. The stylus of a phonograph record exerts a force of 77. x 10-2N on a groove of radius 10-5m. Compute the pressure exerted by the stylus on the groove.
A. 2.42 x 109 Nm-2
B. 4.90 x 108Nm-2
C. 2.45 x 108Nm-2
D. 3.45 x 108Nm-2

15. A piece of stone attached to one end of a string is whirled round in a horizontal circle and the string suddenly cuts. The stone will fly off in a direction.
A. Tangential to the circular path
B. perpendicular to the circular path
C. Towards the centre of the circle
D. Parallel to the circular path.

16. A test tube of radius 1.0cm is loaded to 8.8g. If it is placed upright in the water, find the depth to which it would sink.
A. 25.2 cm
B. 2.8 cm
C. 28.0 cm
D. 5.2 cm [g = 10ms-2 density of water 1 000kgm-3].

17. A 90cm uniform lever has a load of 30N suspended at 15cm from one of its ends. If the fulcrum is at the center of gravity, the force that must be applied at its other end to keep it in horizontal equilibrium is
A. 20 N
B. 30 N
C. 60 N
D. 15 N

18. On top of a spiral spring of force constant 500 Nm-1 is placed a mass of 5 x 10-3kg. If the spring is compressed downwards by a length of 0.02m and then released, calculate the height to which the mass is projected
A. 2 m
B. 8 m
C. 1 m
D. 4 m

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