Biology Past Questions v40 For JAMB/WAEC/NECO Students; These Biology past questions are for students who are sitting for the following examinations:

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#1. The yellowish colored liquid component of blood that normally holds the blood cells in suspension is

A) serum

A) serum

B) plasma

B) plasma

C) water

C) water

D) thrombocyte

D) thrombocyte

#2. The function of pith in plant is

A) absorb mineral salt and nutrient from the soil

A) absorb mineral salt and nutrient from the soil

B) store and transport nutrients throughout the plant

B) store and transport nutrients throughout the plant

C) trap chlorophyll from the sunlight

C) trap chlorophyll from the sunlight

D) Removal of waste product from the plant

D) Removal of waste product from the plant

#3. A pollutant that is mostly associated with acid rain is

A) Nitrogen (IV) oxide

A) Nitrogen (IV) oxide

B) Ozone

B) Ozone

C) Flourine

C) Flourine

D) Carbony (IV) oxide

D) Carbony (IV) oxide

#4. What is the function of contractile vacuole in paramecium?

A) Produces Enzymes

A) Produces Enzymes

B) Gets rid of excreta

B) Gets rid of excreta

C) Stores and digest food

C) Stores and digest food

D) Gets rid of excess water

D) Gets rid of excess water

#5. An organism which exhibit extracellular digestion is

A) Spirogyra

A) Spirogyra

B) Paramecium

B) Paramecium

C) Amoeba

C) Amoeba

D) Rhizopus

D) Rhizopus

#6. How many days does it take for incubation of an egg to release chick?

A) 21

A) 21

B) 22

B) 22

C) 20

C) 20

D) 23

D) 23

#7. The four classes of cnidarian include the following except

A) Turbellaria

A) Turbellaria

B) Anthozoa

B) Anthozoa

C) Scyphozoa

C) Scyphozoa

D) Cubozoa

D) Cubozoa

#8. What would happen if solution Y is more concentrated than solution X in fig 2?

A) The level of X would rise, Y would falls

A) The level of X would rise, Y would falls

B) The level of X would rise, Y would rise

B) The level of X would rise, Y would rise

C) The level of X and Y stands the same

C) The level of X and Y stands the same

D) The level of Y would rise, X would fall.

D) The level of Y would rise, X would fall.

#9. Physiological adaptation to very dry conditions in animal demonstrates

A) Xeromorphism

A) Xeromorphism

B) Hibernation

B) Hibernation

C) Aestivation

C) Aestivation

D) Rejuvenation

D) Rejuvenation

#10. The hormones secreted by pancreas serves to

A) Facilitate the development of facial hairs

A) Facilitate the development of facial hairs

B) Raise the level of calcium in the blood

B) Raise the level of calcium in the blood

C) Lower blood glucose level

C) Lower blood glucose level

D) Make the body react to emergencies

D) Make the body react to emergencies

#11. 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 hands and other organs

C) It circulates in both the hands and other organs

D) The heart contains auricles and ventricles

D) The heart contains auricles and ventricles

#12. Examples of animals with mammary glands include the following excpect

A) Cow

A) Cow

B) Goat

B) Goat

C) Pig

C) Pig

D) Hen

D) Hen

#13. The hygrometer is used for measuring

A) Relative Humidity

A) Relative Humidity

B) Specific Gravity

B) Specific Gravity

C) Rainfall

C) Rainfall

D) Salinity

D) Salinity

#14. Mineral salts can be absorbed into roots by

A) Osmosis only

A) Osmosis only

B) Osmosis and diffusion

B) Osmosis and diffusion

C) Diffusion and active transport

C) Diffusion and active transport

D) Imbition only

D) Imbition only

#15. Which is an animal without red blood cells?

A) Frog

A) Frog

B) Earthworm

B) Earthworm

C) Snake

C) Snake

D) Peacock

D) Peacock

#16. The temporary union of two organisms and the exchange of micronuclear elements is called

A) Conjugation

A) Conjugation

B) Binary fusion

B) Binary fusion

C) Extrapolation

C) Extrapolation

D) Interexchange

D) Interexchange

#17. A plant tissue that carries water and mineral salt is

A) Xylem

A) Xylem

B) Cortex

B) Cortex

C) Phloem

C) Phloem

D) Cambium

D) Cambium

#18. Which of the following relationship involves only one organism?

A) Saprophytism

A) Saprophytism

B) Commensalism

B) Commensalism

C) Parasitism

C) Parasitism

D) Symbiosis

D) Symbiosis

#19. The outer membrane that covers the brain is

A) Myelin sheath

A) Myelin sheath

B) Dura mater

B) Dura mater

C) Arachnoid membrane

C) Arachnoid membrane

D) Pia mater

D) Pia mater

#20. The process in which plant uses sunlight to synthesize nutrients from carbon dioxide and water is called

A) Locomotion

A) Locomotion

B) Homeostasis

B) Homeostasis

C) Transpiration

C) Transpiration

D) Photosynthesis

D) Photosynthesis

#21. Cold blooded animals are referred to as

A) Poikilothermic

A) Poikilothermic

B) Homothermic

B) Homothermic

C) Polythermic

C) Polythermic

D) Homeostatic

D) Homeostatic

#22. The vessel carrying oxygenated blood to the tissues is

A) Arteries

A) Arteries

B) Ventricles

B) Ventricles

C) Aorta

C) Aorta

D) Lung

D) Lung

#23. Which of the following is a mixed gland?

A) Pituitary

A) Pituitary

B) Adrenal

B) Adrenal

C) Pancreas

C) Pancreas

D) Ovary

D) Ovary

#24. A group of organism of the same species living together in a particular area is described as

A) Colony

A) Colony

B) Community

B) Community

C) Population

C) Population

D) Niche

D) Niche

#25. Tikka disease is related with the crop

A) Mustard

A) Mustard

B) Paddy

B) Paddy

C) Groundnut

C) Groundnut

D) All of the above

D) All of the above

#26. At which stage in this cycle can a man be infected?

A) 2

A) 2

B) 4

B) 4

C) 5

C) 5

D) 6

D) 6

#27. Total salt content in blood is about

A) 1.85 to 1.9%

A) 1.85 to 1.9%

B) 11.85 to 11.9%

B) 11.85 to 11.9%

C) 2.85 to 2.9%

C) 2.85 to 2.9%

D) 0.85 to 0.9%

D) 0.85 to 0.9%

#28. The role of scolex in tapeworm is to

A) excretion

A) excretion

B) attachment to the host

B) attachment to the host

C) movement

C) movement

D) breathing

D) breathing

#29. Which of the following animals is cold blooded?

A) Cat

A) Cat

B) Lizard

B) Lizard

C) Whale

C) Whale

D) Bird

D) Bird

#30. The energy released by 1 gram of glucose is

A) 6 kcal

A) 6 kcal

B) 4 kcal

B) 4 kcal

C) 5 kcal

C) 5 kcal

D) 3 kcal

D) 3 kcal

#31. What is the function of trichocyst in paramecium?

A) Movement

A) Movement

B) Defence

B) Defence

C) Excretion

C) Excretion

D) At which stage in this cycle can man b infected

D) At which stage in this cycle can man b infected

#32. Man can contact tapeworm through

A) ingesting uncooked meat

A) ingesting uncooked meat

B) from fish

B) from fish

C) from breathing

C) from breathing

D) through contact

D) through contact

#33. An example of a radially symmetrical organisms is

A) Planaria

A) Planaria

B) Hydra

B) Hydra

C) Tapeworm

C) Tapeworm

D) Roundworm

D) Roundworm

#34. Maltose is combination of glucose and

A) glucose

A) glucose

B) sucrose

B) sucrose

C) Galactose

C) Galactose

D) fructose

D) fructose

#35. The vitamin which is important in the formation of the retina pigment is

A) Vitamin A

A) Vitamin A

B) Vitamin B

B) Vitamin B

C) Vitamin C

C) Vitamin C

D) Vitamin D

D) Vitamin D

#36. In the egg of a bird, the embryo is located in the

A) Chalaza

A) Chalaza

B) Yolk

B) Yolk

C) Albumen

C) Albumen

D) Embryo disc

D) Embryo disc

#37. The greatest amount of energy would be obtained by the Oxidation of 100kg of

A) Meat

A) Meat

B) Butter

B) Butter

C) Sugar

C) Sugar

D) Biscuit

D) Biscuit

#38. Ozone hole refers to

A) hole in ozone layer

A) hole in ozone layer

B) decrease in the ozone layer in troposphere

B) decrease in the ozone layer in troposphere

C) decrease in thickness of ozone layer in stratosphere

C) decrease in thickness of ozone layer in stratosphere

D) increase in the thickness of ozone layer in troposphere

D) increase in the thickness of ozone layer in troposphere

#39. Accessory material in a chicken egg include the following except

A) Albumen

A) Albumen

B) Shell membrane

B) Shell membrane

C) Shell

C) Shell

D) Germinal disc

D) Germinal disc

#40. Swollen, bleeding gums are another common sign of which vitamin?

A) Vitamin K

A) Vitamin K

B) Vitamin B

B) Vitamin B

C) Vitamin C

C) Vitamin C

D) Vitamin D

D) Vitamin D

Finish

Practice other questions here

Practice other biology questions here