Biology Past Questions v3 For JAMB/WAEC/NECO Students

Biology Past Questions v3 For JAMB/WAEC/NECO Students; These Biology questions are for students who are sitting for the following examinations:

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• NABTEB GCE

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#1. The arrangements below are steps in protein digestion. Which is the correct sequence? A. polypetides B.protein C. amino-acids D.peptones

A) a-b-c-d

A) a-b-c-d

B) c-d-a-b

B) c-d-a-b

C) b-d-a-c

C) b-d-a-c

D) a-d-b-c

D) a-d-b-c

E) b-a-c-d

E) b-a-c-d

#2. In the figure above the cell which controls the opening and closing of stomatal pore is

A) 1

A) 1

B) 2

B) 2

C) 3

C) 3

D) 4

D) 4

E) 5

E) 5

#3. The figure above is a section of a drupe. The part numbered 2 is

A) epicarp

A) epicarp

B) endocarp

B) endocarp

C) mesocarp

C) mesocarp

D) seed

D) seed

E) pericarp

E) pericarp

#4. One significant difference between roots and stem is that

A) Branch roots originate in the pericycle while stem do not

A) Branch roots originate in the pericycle while stem do not

B) Stems are always bove the ground while root are always below the ground

B) Stems are always bove the ground while root are always below the ground

C) Stems are positively geotropic while roots are negatively geotropic

C) Stems are positively geotropic while roots are negatively geotropic

D) Stem are sometime used for storage while roots are never used

D) Stem are sometime used for storage while roots are never used

E) Stems grow in both length and circumference while root grow only in length

E) Stems grow in both length and circumference while root grow only in length

#5. Which of these is not true? grass in the above food chain

A) trap all the sunlight

A) trap all the sunlight

B) trap a small percent of the sun energy

B) trap a small percent of the sun energy

C) are primary producers

C) are primary producers

D) are eaten by primary consumers

D) are eaten by primary consumers

E) contains chlorophyll

E) contains chlorophyll

#6. Insect show consideration powers of water conservation. This is due to the fact that

A) The chitinous cuticle is impregnated with tanned protein

A) The chitinous cuticle is impregnated with tanned protein

B) Nitrogenous waste is eliminated as urea

B) Nitrogenous waste is eliminated as urea

C) Chitin is impermeable to water

C) Chitin is impermeable to water

D) The malpighian tubules are impermeable to water

D) The malpighian tubules are impermeable to water

E) The curticle is covered with wax

E) The curticle is covered with wax

#7. Root hair have their origin from

A) Endodermis

A) Endodermis

B) Pericycle

B) Pericycle

C) Cortex

C) Cortex

D) Epidermis

D) Epidermis

E) Xylem

E) Xylem

#8. The element nitrogen is utilized in Options

A) Formation of ATP

A) Formation of ATP

B) Formation of glucose

B) Formation of glucose

C) Formation of amino acid

C) Formation of amino acid

D) Photosynthesis

D) Photosynthesis

E) None of the above

E) None of the above

#9. Magnesium is utilized in the formation of Options

A) ATP

A) ATP

B) Glucose

B) Glucose

C) Amino acids

C) Amino acids

D) Chlorophyll

D) Chlorophyll

E) Fats

E) Fats

#10. The maize grain is regarded as a fruit and not a seed because Options

A) It is covered by a sheath of leaves

A) It is covered by a sheath of leaves

B) The testa and fruit wall fuse after fertilization

B) The testa and fruit wall fuse after fertilization

C) It has both endosperm and cotyledon

C) It has both endosperm and cotyledon

D) It has coleorhiza and coleoptile

D) It has coleorhiza and coleoptile

E) The pericarp and seed coat are separated

E) The pericarp and seed coat are separated

#11. Identical twins are produced under one of the following conditions Options

A) Two oval fertilized at the same time by two sperm

A) Two oval fertilized at the same time by two sperm

B) one ovum ferilized divides to give two embryos

B) one ovum ferilized divides to give two embryos

C) one ovum fertilized, twins formed shortly before birth

C) one ovum fertilized, twins formed shortly before birth

D) Two ova fertilized by one sperm

D) Two ova fertilized by one sperm

E) one ovum fertilized by two sperm

E) one ovum fertilized by two sperm

#12. The one-seeded fuit in which the pericarp and the seed coat have become fused together is known as Options

A) achene

A) achene

B) samara

B) samara

C) caryopsis

C) caryopsis

D) legume

D) legume

E) drupe

E) drupe

#13. The major function of contractile vacuole in amoeba is Options

A) to secrete enzyme to digest food particles

A) to secrete enzyme to digest food particles

B) to store excess food materials

B) to store excess food materials

C) to excrete nitrogenous waste

C) to excrete nitrogenous waste

D) to absorb water from the surrounding

D) to absorb water from the surrounding

E) to collect and expel water in the cytoplasm

E) to collect and expel water in the cytoplasm

#14. Grasses grasshopper lizard snakes hawks. In the food chain, the organism which are the least in number are Options

A) grasses

A) grasses

B) grasshopper

B) grasshopper

C) lizards

C) lizards

D) snakes

D) snakes

E) hawks

E) hawks

#15. One of the following statement is not true of viruses Options

A) They are micro-organisms

A) They are micro-organisms

B) They are smaller than bacteria

B) They are smaller than bacteria

C) They can be seen with an ordinary light microscope

C) They can be seen with an ordinary light microscope

D) They cause tobacco disease

D) They cause tobacco disease

E) They cause polio and smallpox

E) They cause polio and smallpox

#16. If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be Options

A) 2:1

A) 2:1

B) 1:2

B) 1:2

C) 1:1

C) 1:1

D) 1:3

D) 1:3

E) 3:1

E) 3:1

#17. The digestive enzyme that coagulates proteins in milk is Options

A) Ptyalin

A) Ptyalin

B) Pepsin

B) Pepsin

C) Renin

C) Renin

D) Trypsin

D) Trypsin

E) Amylase

E) Amylase

#18. The hepatic portal vein is characterized by Options

A) Beginning and ending with capillaries

A) Beginning and ending with capillaries

B) Connecting the liver and the kidney

B) Connecting the liver and the kidney

C) Carrying deoxygenated blood

C) Carrying deoxygenated blood

D) Ending with large capillaries

D) Ending with large capillaries

E) Having no capillaries

E) Having no capillaries

#19. The blood vessel which carries digested food from the small intestine to the liver is the Options

A) Renal vain

A) Renal vain

B) Renal artery

B) Renal artery

C) Hepatic artery

C) Hepatic artery

D) Hepatic portal vein

D) Hepatic portal vein

E) Coelic artery

E) Coelic artery

#20. The farmer cannot check soil erosion effectively by Options

A) Constructing is ridges of planting across the slope

A) Constructing is ridges of planting across the slope

B) Cultivating cover crops

B) Cultivating cover crops

C) Practising strip farming

C) Practising strip farming

D) Clearing the land of vegetation

D) Clearing the land of vegetation

E) Constructing terraces

E) Constructing terraces

#21. A gland in the human body secretes two hormones, one of which causes a disease called diabetes when there is a deficiency. Which of these organ produce the hormone? Options

A) spleen

A) spleen

B) Parathyroid

B) Parathyroid

C) Adrenal body

C) Adrenal body

D) Thyroid

D) Thyroid

E) Pancreas

E) Pancreas

#22. In which of the following tissue do the cells have the ability to divide? Options

A) Meristem

A) Meristem

B) Sclerenchyma

B) Sclerenchyma

C) Phloem

C) Phloem

D) Collenchyma

D) Collenchyma

E) Pith

E) Pith

#23. Which one of the following is not an excretory product? Options

A) Urine

A) Urine

B) Sweat

B) Sweat

C) Faeces

C) Faeces

D) Salts

D) Salts

E) Carbon-dioxide

E) Carbon-dioxide

#24. Bacteria inhabiting legume root nodules and which add atmospheric nitrogen to the soil are referred to as Options

A) Denitrifying bacteria

A) Denitrifying bacteria

B) Nitrifying bacteria

B) Nitrifying bacteria

C) Nitrogen fixing bacteria

C) Nitrogen fixing bacteria

D) Nitrogen freeing bacteria

D) Nitrogen freeing bacteria

E) Nitrogen putrefying bacteria

E) Nitrogen putrefying bacteria

#25. A sugar solution was boiled with fehling’s solution A and B and the colour remained blue. The sugar tested was Options

A) Glucose

A) Glucose

B) Maltose

B) Maltose

C) Fructose

C) Fructose

D) Sucrose

D) Sucrose

E) Lactose

E) Lactose

#26. Alkaline pyrogallol was used in an experiment. That experiment must have been connected with Options

A) Excretion

A) Excretion

B) Germination

B) Germination

C) Transpiration

C) Transpiration

D) Digestion

D) Digestion

E) Photosynthesis

E) Photosynthesis

#27. The plumule is best described as? Options

A) Part of the cotyledon

A) Part of the cotyledon

B) Part of the endosperm

B) Part of the endosperm

C) A miniature shoot

C) A miniature shoot

D) Structure near the micropyle

D) Structure near the micropyle

E) Structure opposite the hilum

E) Structure opposite the hilum

#28. The dry indehiscent, winged fruit formed from one one carpel is known as Options

A) Schizocarp

A) Schizocarp

B) Caryopsis

B) Caryopsis

C) Samara

C) Samara

D) Nut

D) Nut

E) Follicle

E) Follicle

#29. Which of these is not a type of soil? Options

A) Sand

A) Sand

B) Granite

B) Granite

C) Loam

C) Loam

D) Clay

D) Clay

E) Sandy loam

E) Sandy loam

#30. When the ciliary muscles of the eye contract, the eye lens Options

A) Bulge

A) Bulge

B) Contracts

B) Contracts

C) Rotates

C) Rotates

D) Flattens

D) Flattens

E) Is rounded

E) Is rounded

#31. which of these diseases cannot be controlled by killing the vector? Options

A) River blindness

A) River blindness

B) Malaria

B) Malaria

C) Polio

C) Polio

D) Cholera

D) Cholera

E) Bilharzia (shistosoma)

E) Bilharzia (shistosoma)

#32. In which of these association is much harm done to one of the partners? Options

A) Symbiosis

A) Symbiosis

B) Epiphytism

B) Epiphytism

C) Commensalism

C) Commensalism

D) Parasitism

D) Parasitism

E) Mutualism

E) Mutualism

#33. The part of the mammalian brain responsible for maintaining balance is Options

A) Medulla oblongata

A) Medulla oblongata

B) Cerebellum

B) Cerebellum

C) Optic lobe

C) Optic lobe

D) Cerebrum

D) Cerebrum

E) Olfactory lobe

E) Olfactory lobe

#34. Which of the following statements is not true of paramecium? Options

A) It is slipper-shaped

A) It is slipper-shaped

B) The anterior end is blunt

B) The anterior end is blunt

C) The gullet is lined with cilia

C) The gullet is lined with cilia

D) It has an anal pore

D) It has an anal pore

E) Its vacuole is stationary

E) Its vacuole is stationary

#35. Which one of the following option is not true for mucor of Rhizophus? it Options

A) Grows on moist dead organic matter

A) Grows on moist dead organic matter

B) Is a plant

B) Is a plant

C) Has cellulose cell-wall

C) Has cellulose cell-wall

D) Reproduce asexually by producing a spore

D) Reproduce asexually by producing a spore

E) Has no chlorophyll

E) Has no chlorophyll

#36. Which of these is not an enzyme? Options

A) Pepsin

A) Pepsin

B) Gastrin

B) Gastrin

C) Amylase

C) Amylase

D) Chymotrypsin

D) Chymotrypsin

E) Trypsin

E) Trypsin

#37. The region of cell division in a root is Options

A) Root cap

A) Root cap

B) Endodermis

B) Endodermis

C) Xylem

C) Xylem

D) Piliferous layer

D) Piliferous layer

E) Meristem

E) Meristem

#38. Which of these statement below is not a characteristic of wind pollinated flower? Options

A) Stigmas are usually large and feathery

A) Stigmas are usually large and feathery

B) Nectar is usually absent

B) Nectar 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

E) The pollen is light and smooth

E) The pollen is light and smooth

#39. Which of the following is not an excretory organ? Options

A) Lungs

A) Lungs

B) Kidney

B) Kidney

C) Leaf

C) Leaf

D) Large intestine

D) Large intestine

E) Skin

E) Skin

#40. The movement of molecules from a region of higher concentration to one of lower concentration is Options

A) Diffusion

A) Diffusion

B) Transpiration

B) Transpiration

C) Osmosis

C) Osmosis

D) Translocation

D) Translocation

E) Plasmolysis

E) Plasmolysis

#41. The complex relationship between the members of a community and between the community as a whole and its physical environment is Options

A) Ecosystem

A) Ecosystem

B) Habitat

B) Habitat

C) Environment

C) Environment

D) Niche

D) Niche

E) Micro habitat

E) Micro habitat

#42. A secchi disc is used in the determination of Options

A) Rainfall

A) Rainfall

B) Tides

B) Tides

C) Waves

C) Waves

D) Turbidity

D) Turbidity

E) Current velocity

E) Current velocity

#43. The carrier of the hereditary character in plants and animal is the Options

A) Cell

A) Cell

B) Nucleus

B) Nucleus

C) Chromosome

C) Chromosome

D) Chloroplast

D) Chloroplast

E) Gene

E) Gene

#44. Amoeba moves by means of Options

A) Cilia

A) Cilia

B) Flagella

B) Flagella

C) Pseudopodia

C) Pseudopodia

D) Swimmerets

D) Swimmerets

E) Setae

E) Setae

#45. Which of these tissue serves the function of support and water conduction Options

A) Parenchyma

A) Parenchyma

B) Collenchymas

B) Collenchymas

C) Sclerenchyma

C) Sclerenchyma

D) Xylem

D) Xylem

E) Phloem

E) Phloem

#46. Which of these is the terminal portion of the alimentary canal of a mammal? Options

A) Oesophagus

A) Oesophagus

B) Stomach

B) Stomach

C) Rectum

C) Rectum

D) Colon

D) Colon

E) Appendix

E) Appendix

#47. An organism which lives on the remain of dead plant is Options

A) An endoparasite

A) An endoparasite

B) Saprophyte

B) Saprophyte

C) Commensal

C) Commensal

D) Symbiont

D) Symbiont

E) ectoparasite

E) ectoparasite

#48. Which of the substance listed below is a trace element of plants? Options

A) Potassium

A) Potassium

B) Sodium

B) Sodium

C) Copper

C) Copper

D) Phosphate

D) Phosphate

E) Nitrate

E) Nitrate

#49. All living organism Options

A) Photosynthesize

A) Photosynthesize

B) Respire

B) Respire

C) Move

C) Move

D) Feed

D) Feed

E) Transpire

E) Transpire

Finish

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