Biology Past Questions v43 For JAMB/WAEC/NECO Students; These Biology past questions are for students who are sitting for the following examinations:

HAVE YOU USED OUR JAMB TOOL YET? IT PROVIDES YOUR JAMB COMBINATION FOR FREE

• JAMB
• Post-UTME / Post-JAMB
• WAEC
• NECO
• WAEC GCE
• NECO GCE
• NABTEB
• NABTEB GCE

Results

Good Job.

Try Again.

#1. One of the functions of the xylem is?

A) strengthening the stem

A) strengthening the stem

B) manufacturing food

B) manufacturing food

C) reducing loss of water

C) reducing loss of water

D) conducting manufactured food

D) conducting manufactured food

#2. Which of the statements below is not characteristic of wind-pollinated flowers?

A) Stigmas are usually large and feathery

A) Stigmas are usually large and feathery

B) Nectary is usually absent

B) Nectary is usually absent

C) The pollen grains have rough spiny surfaces

C) The pollen grains have rough spiny surfaces

D) The flowers are not scented.

D) The flowers are not scented.

#3. Some of the features of an animal are scales,teeth, nares, and backbone. The animal is likely to be a?

A) toad

A) toad

B) bird

B) bird

C) lizard

C) lizard

D) rat

D) rat

#4. Choose the sequence which represents the correct order of organisms in a food chain

A) Grass, snake, toad, grasshopper, hawk

A) Grass, snake, toad, grasshopper, hawk

B) Grass, grasshopper.toad,snake,hawk

B) Grass, grasshopper.toad,snake,hawk

C) Grass, grasshopper, snake, toad, hawk.

C) Grass, grasshopper, snake, toad, hawk.

D) Grass, snake, grasshopper, toad, hawk

D) Grass, snake, grasshopper, toad, hawk

#5. Flatworms and roundworms are said to be invertebrates because?

A) they are small animals

A) they are small animals

B) they can live inside the vertebrates

B) they can live inside the vertebrates

C) some of them are unicellular

C) some of them are unicellular

D) they have no backbones

D) they have no backbones

#6. Which of the following is NOT regarded as a pollutanton land or in the air?

A) Smoke

A) Smoke

B) Nitrogen

B) Nitrogen

C) Noise

C) Noise

D) Sulphur dioxide

D) Sulphur dioxide

#7. When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap,it?

A) remains unchanged

A) remains unchanged

B) takes tip water and burst

B) takes tip water and burst

C) absorbs a little water

C) absorbs a little water

D) loses water and shrivels

D) loses water and shrivels

#8. The initial volume of water poured into a bag of dry soil was 50ml and the amount that drained through was 35mI. The percentage water content of the fully soaked soil is therefore

A) 46.7

A) 46.7

B) 25.0

B) 25.0

C) 20.0

C) 20.0

D) 30.0

D) 30.0

#9. When the original king and queen of termites die, they are replaced by

A) the king and queen of another colony

A) the king and queen of another colony

A) the king and queen of another colony

A) the king and queen of another colony

C) some adult workers which are specially fed to breed

C) some adult workers which are specially fed to breed

D) developing nymphs nurtured as secondary reproductives

D) developing nymphs nurtured as secondary reproductives

#10. In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to?

A) prevent algal growth in culture solution

A) prevent algal growth in culture solution

B) allow root growth

B) allow root growth

C) prevent breakdown of mineral elements

C) prevent breakdown of mineral elements

D) prevents photosynthesis in the root

D) prevents photosynthesis in the root

#11. In the mammalian respiratory system. exchange of gases occurs in the?

A) lungs

A) lungs

B) bronchi

B) bronchi

C) bronchioles

C) bronchioles

D) alveoli

D) alveoli

#12. Aged erythrocytes are destroyed in the?

A) pancreas

A) pancreas

B) liver

B) liver

C) lymph nodes

C) lymph nodes

D) kidney

D) kidney

#13. The villus in the small intestine is significant because it?

A) increases the surface area for absorption

A) increases the surface area for absorption

B) increases the surface area for digestion

B) increases the surface area for digestion

C) assists in mixing digested food

C) assists in mixing digested food

D) assists in filtering undigested food

D) assists in filtering undigested food

#14. Which of the following food substances will produce a brick-red colour when warmed with Benedict's solution?

A) Glucose

A) Glucose

B) Starch

B) Starch

C) Egg White

C) Egg White

D) Maltose

D) Maltose

#15. The blood vessel which carries blood from the alimentary canal to the liver is the?

A) hepatic artery

A) hepatic artery

B) hepatic vein

B) hepatic vein

C) hepatic portal vein

C) hepatic portal vein

D) mesenteric artery

D) mesenteric artery

#16. Which of the following is TRUE of the process of conjugation in Paramecium?

A) Micronucleus disintegrates

A) Micronucleus disintegrates

B) Each ex-conjugant divides only once

B) Each ex-conjugant divides only once

C) Macro nucleus undergoes division

C) Macro nucleus undergoes division

D) Each micronucleus divides twice

D) Each micronucleus divides twice

#17. People who suck petrol with their mouths run the risk of increasing in their blood the concentration of

A) iron

A) iron

B) lead

B) lead

C) calcium

C) calcium

D) magnesium

D) magnesium

#18. Which of the following is a measure for the control of bilharzia?

A) Cutting low bushes around homes

A) Cutting low bushes around homes

B) Application of molluscicides in water bodies

B) Application of molluscicides in water bodies

C) Screening windows and doors with mosquito nets

C) Screening windows and doors with mosquito nets

D) Application of herbicides in water bodies

D) Application of herbicides in water bodies

#19. The appendicular skeleton is composed of the pectoral girdle?

A) pelvic girdle, fore and hind limbs

A) pelvic girdle, fore and hind limbs

B) pelvic girdle and

B) pelvic girdle and

C) lumbar vertebrae and pelvic girdle

C) lumbar vertebrae and pelvic girdle

D) lumbar vertebrae, fore and hind limbs

D) lumbar vertebrae, fore and hind limbs

#20. A freshwater plant such as water lily can solve the problem of buoyancy by the possession of?

A) aerenchyma tissues

A) aerenchyma tissues

B) dissected leaves

B) dissected leaves

C) thin cell walls of the epidermis

C) thin cell walls of the epidermis

D) water-repelling epidermis

D) water-repelling epidermis

#21. The correct sequence for the perception of smell in mammals is?

A) chemicals --> olfactory nerve endings --> brain

A) chemicals --> olfactory nerve endings --> brain

B) dissolved chemicals --> nasal sensory cells --> brain

B) dissolved chemicals --> nasal sensory cells --> brain

C) chemicals --> mucus membrane sensory cells --> brain

C) chemicals --> mucus membrane sensory cells --> brain

D) dissolved chemicals --> sensory cells --> olfactory nerve --> brain

D) dissolved chemicals --> sensory cells --> olfactory nerve --> brain

#22. I. High birth rate and high immigration rate II. Low birth rate and high immigration rate III. Low mortality rate and low emigration rate IV. High mortality rate and high emigration rate. Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements?

A) II and III

A) II and III

B) I and III

B) I and III

C) I and IV

C) I and IV

D) I and II

D) I and II

#23. The number of plant species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomoea spp (5), Sida spp (7) and Imperata spp (23) What is the percentage of occurrence of Imperataspp?

A) 35%

A) 35%

B) 16%

B) 16%

C) 46%

C) 46%

D) 23%

D) 23%

#24. When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because?

A) the tank was too small compared to the large-ocean

A) the tank was too small compared to the large-ocean

B) the body cells of the fish swelled and burst as a result of the hypotonic fresh water

B) the body cells of the fish swelled and burst as a result of the hypotonic fresh water

C) the body cells of the fish shrank as their sap was hypertonic to the freshwater

C) the body cells of the fish shrank as their sap was hypertonic to the freshwater

D) there was no food in the tank, so the fish starved

D) there was no food in the tank, so the fish starved

#25. If a DNA strand has a base sequence TCA, its complementary strand mustbe?

A) ATG

A) ATG

B) TAG

B) TAG

C) GAT

C) GAT

D) AGT

D) AGT

#26. The correct sequence of the movement of urea during urine formation is?

A) glomerulus ---> Bowman's capsule -> convoluted tubule ---> Henle's loop -> collecting- tubule

A) glomerulus ---> Bowman's capsule -> convoluted tubule ---> Henle's loop -> collecting- tubule

B) glomerulus -> Bowman's capsule -> convoluted tubule -> Henle's loop -> convoluted tubule -> collecting tubule

B) glomerulus -> Bowman's capsule -> convoluted tubule -> Henle's loop -> convoluted tubule -> collecting tubule

C) convoluted tubule -> glomerulus --> Nettle's loop -> Bowman's capsule->collecting tubule

C) convoluted tubule -> glomerulus --> Nettle's loop -> Bowman's capsule->collecting tubule

D) convoluted tubule -> Bowman's capsule -> Henle's loop -7> glomerulus -> collecting tubule

D) convoluted tubule -> Bowman's capsule -> Henle's loop -7> glomerulus -> collecting tubule

#27. The order of passage of food in the digestive system is

A) ileum --> caecum ->large intestine -> rectum

A) ileum --> caecum ->large intestine -> rectum

B) ileum --> colon --> caecum -> rectum

B) ileum --> colon --> caecum -> rectum

C) large intestine --> ileum -> caecum -> rectum

C) large intestine --> ileum -> caecum -> rectum

D) colon -> caecum -> ileum -> rectum

D) colon -> caecum -> ileum -> rectum

#28. Mass of a crucible = 10g, Mass of a crucible and soil before heating =29g Mass of a crucible and soil after heating = 18g From the information above, determine the percentage of water in the given soil sample?

A) 20%

A) 20%

B) 25%

B) 25%

C) 40%

C) 40%

D) 60%

D) 60%

#29. The sequence of the one-way gaseous exchange mechanism in a fish is?

A) mouth --> operculum -> gills

A) mouth --> operculum -> gills

B) mouth -> gills > operculum

B) mouth -> gills > operculum

C) operculum > gills -> mouth

C) operculum > gills -> mouth

D) gills -> operculum --> mouth

D) gills -> operculum --> mouth

#30. Which of the following is true in blood transfusion?

A) A person of blood group AB can donate blood only to another person of blood group AB

A) A person of blood group AB can donate blood only to another person of blood group AB

B) Persons of blood groups A and B can donate or receive blood from each other

B) Persons of blood groups A and B can donate or receive blood from each other

C) A person of blood group AB can receive blood only from persons of blood group A or B

C) A person of blood group AB can receive blood only from persons of blood group A or B

D) A person of blood group O can donate only to a person of blood group O

D) A person of blood group O can donate only to a person of blood group O

#31. The plants that grow in deserts or very dry areas are referred to as?

A) hydrophytes

A) hydrophytes

B) epiphytes

B) epiphytes

C) xerophytes

C) xerophytes

D) mesophytes

D) mesophytes

#32. The most abundant group of organisms in the animal kingdom?

A) Mammalia

A) Mammalia

B) Aves

B) Aves

C) Insecta

C) Insecta

D) Annelida

D) Annelida

#33. The movement of part of a plant in response to external stimulus of no particular direction is?

A) taxism

A) taxism

B) tropism

B) tropism

C) haptotropic movement

C) haptotropic movement

D) nastic movement

D) nastic movement

#34. The mutation theory of organic evolution was propounded by?

A) Gregor Mendel

A) Gregor Mendel

B) Hugo de Vries

B) Hugo de Vries

C) Jean Lamarck

C) Jean Lamarck

D) Charles Darwin

D) Charles Darwin

#35. If both parents are heterozygous for a trait. the probability that an offspring will be recessive for that trait is?

A) 1/2

A) 1/2

B) 1/4

B) 1/4

C) 1

C) 1

D) 3/4

D) 3/4

#36. Blood circulation in a mammal is said to be double because?

A) it passes twice through the heart in a complete circuit

A) it passes twice through the heart in a complete circuit

B) it moves in both arteries and veins

B) it moves in both arteries and veins

C) it circulates in both the heart and other organs

C) it circulates in both the heart and other organs

D) the heart contains auricles and ventricles

D) the heart contains auricles and ventricles

#37. Which of the following organelles is common to both plant and animal cells

A) Cellulose cell wall

A) Cellulose cell wall

B) Chlorophyll

B) Chlorophyll

C) Cell membrane

C) Cell membrane

D) Large vacuole

D) Large vacuole

#38. The diagrams below are illustrations of different sections of a particular fruit. Study them and answer questions2 and 3,The sections in X and Y respectively, are

A) longitudinal and transverse

A) longitudinal and transverse

B) transverse and longitudinal

B) transverse and longitudinal

C) cross and transverse

C) cross and transverse

D) transverse and cross

D) transverse and cross

#39. The diagrams below are illustrations of different sections of a particular fruit. Study them and answer questions2 and 3.The fruit that has the illustrated sections is a

A) hesperidium

A) hesperidium

B) capsule

B) capsule

C) drupe

C) drupe

D) cypsela

D) cypsela

Finish

Practice other questions here

Practice other biology questions here