2017 JAMB Biology Past Questions & Answers

Question 1

The flame cells are used for excretion in

Accepted Answer

A. Fluke

Answer

B. Nematode

Answer

C. Bacteria

Answer

D. Volvox

Question 2

Gregor Mendel is regarded as the father of ______

Accepted Answer

B. genetics

Answer

A. variation

Answer

C. mycology

Answer

D. natural selection

Question 3

The most efficient respiratory structure used by free living protozoan is ________

Accepted Answer

A. body surface

Answer

B. gills

Answer

C. buccal cavity

Answer

D. spiracle

Question 4

The host of Taenia Solium is _________

Accepted Answer

B. pig

Answer

A. cow

Answer

C. sheep

Answer

D. dog

Question 5

Which of the following scenarios is an example of cohesion?

Accepted Answer

D. Water molecules stick to one another and form a bead

Answer

A. Water molecules stick to the surface of a mirror.

Answer

B. Water sticks to the walls of blood vessels.

Answer

C. Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.

Question 6

The possession of scales, laying of eggs with shells and bony structure of the head are characteristics shared by

Accepted Answer

A. birds and reptiles

Answer

B. fishes and birds

Answer

C. reptiles and fishes

Answer

D. birds and molluscs

Question 7

The type of nutrition exhibited when organism lives on the body surface or inside the body of another type of organism is

Accepted Answer

B. parasitic

Answer

A. Holozoic

Answer

C. saprohytic

Answer

D. carnivores

Question 8

Use the diagram to answer the question that follows. The dentition is found in

Accepted Answer

D. man

Answer

A. rat

Answer

B. dog

Answer

C. sheep

Question 9

Which of the following is a characteristics of a bacteria except _______?

Accepted Answer

D. they do not cause disease

Answer

A. they can be seen under microscope

Answer

B. they range from 0.5 µ m in diameter

Answer

C. They are grouped accordingly to their cell shape

Question 10

An example of organism which exists as a colony is

Accepted Answer

A. Volvox

Answer

B. paramecium

Answer

C. euglena

Answer

D. chlamydomonas

Question 11

How does an enzyme affect the rate of a reaction?

Accepted Answer

A. It lowers the activation energy of the reaction, increasing the reaction rate.

Answer

B. It raises the activation energy of the reaction, decreasing the reaction rate.

Answer

C. It lowers the activation energy of the reaction, decreasing the reaction rate.

Answer

D. It raises the activation energy of the reaction, increasing the reaction rate.

Question 12

The appendicular skeleton includes

Accepted Answer

A. pectoral and pelvic girdles

Answer

B. forelimbs, skull and pectoral girdle

Answer

C. lungs and ribs

Answer

D. skull and the vertebral column

Question 13

Use the diagram to answer the question that follows The instrument is used to measure

Accepted Answer

C. direction of wind

Answer

A. atmospheric pressure

Answer

B. relative humidity

Answer

D. speed of wind

Question 14

The difference in structure, morphological and behavior of plant and animal is called

Accepted Answer

C. variation

Answer

A. adaptation

Answer

B. evolution

Answer

D. succession

Question 15

The feeding relationship among a set of members of a community is referred to as _______?

Accepted Answer

A. a food web

Answer

B. pyramid of energy

Answer

C. a food chain

Answer

D. pyramid of number

Question 16

The host of liver fluke are ______?

Accepted Answer

C. sheep and snail

Answer

A. pig and snail

Answer

B. pig and sheep

Answer

D. pig

Question 17

The key event in the transition of the amphibians from water to land is the ________

Accepted Answer

A. replacement of the gills with lungs

Answer

B. possession of webbed limbs

Answer

C. limbs

Answer

D. possession of tympanic membrane

Question 18

Which of the following factors can reduce the population of a community?

Accepted Answer

C. predation

Answer

A. Immigration

Answer

B. edaphic

Answer

D. mutualism

Question 19

Agglutination is the _______ of the ________

Accepted Answer

D. coagulation, red blood cell

Answer

A. coagulation, white bloodcell

Answer

B. coagulation, water

Answer

C. white blood cells, red blood cell

Question 20

The common thing in plant and animal cell is

Accepted Answer

C. nucleus

Answer

A. chloroplast

Answer

B. cell wall

Answer

D. centrioles

Question 21

The product after the union of the male and female gamete in animals is called

Accepted Answer

D. zygote

Answer

A. sperm

Answer

B. egg

Answer

C. embryo

Question 22

Use the diagram to answer the question that follows The structure is adapted for

Accepted Answer

A. omnivores

Answer

B. herbivores

Answer

C. canivores

Answer

D. omnivores and canivore

Question 23

What is the primary function of cofactors?

Accepted Answer

A. To aid in enzyme function

Answer

B. To synthesize enzymes

Answer

C. To inhibit enzymes

Answer

D. To break down old enzymes

Question 24

Food chain refers to the feeding relationships between animals in a ______?

Accepted Answer

C. community

Answer

A. Family

Answer

B. phylum

Answer

D. group

Question 25

The protista that is a producer in an aquatic food chain is

Accepted Answer

C. chlamydomonas

Answer

A. trypanosome

Answer

B. paramecium

Answer

D. amoeba

Question 26

Carbon (iv) oxide is added to the atmosphere when ________?

Accepted Answer

C. sugars are completely broken down in animals

Answer

A. plants build-up organic compounds

Answer

B. plants absorb mineral salts

Answer

D. there is thunderstorm

Question 27

Insects that goes through adult stage without becoming pupa are except ________

Accepted Answer

D. bees

Answer

A. crickets

Answer

B. cockroach

Answer

C. grasshopper

Question 28

The level of organization in spirogyra and volvox is

Accepted Answer

C. cell

Answer

A. organ

Answer

B. system

Answer

D. Tissue

Question 29

The matured sex cell which takes part in sexual reproduction is referred to as

Accepted Answer

A. gamete

Answer

B. fetus

Answer

C. embryo

Answer

D. zygote

Question 30

The modification in structure, physiology and behaviour of plant and animal is called ______

Accepted Answer

A. adaptation

Answer

B. evolution

Answer

C. variation

Answer

D. succession

Question 31

The following are example of morphological variation except

Accepted Answer

B. ability to taste PTC

Answer

A. size

Answer

C. color

Answer

D. fingerprint

Question 32

When an ovary is placed on the receptacle above the other floral parts it is referred to as

Accepted Answer

B. superior ovary

Answer

A. half inferior ovary

Answer

C. inferior ovary

Answer

D. half superior ovary

Question 33

The biome that is characterized with large herbivores, few and scattered fire resistant trees is

Accepted Answer

A. savanna

Answer

B. tropical rain forest

Answer

C. montane forest

Answer

D. desert

Question 34

What organelle is the site of photosynthesis in plants?

Accepted Answer

A. Chloroplasts

Answer

B. Ribosomes

Answer

C. Cytoplasm

Answer

D. Mitochondria

Question 35

Use the diagram to answer the question that follows The part labelled 1 is the ________

Accepted Answer

A. carpel

Answer

B. sepal

Answer

C. petal

Answer

D. stigma

Question 36

Nitrogen is released into the atmosphere when ________

Accepted Answer

B. sugar is completely broken down

Answer

A. plants absorbs mineral salt

Answer

C. through plant uptake

Answer

D. when lightning strike

Question 37

Erythrocytes are known as ________

Accepted Answer

B. red blood cells

Answer

A. white blood cell

Answer

C. phagocytes

Answer

D. leucocytes

Question 38

Which of the following choices correctly describes the composition of the cell membrane?

Accepted Answer

B. contains lipids and protein

Answer

A. contains only lipids

Answer

C. contains lipids and cytosol

Answer

D. contains only proteins

Question 39

The level of organization of Amoeba and Euglena cell is ________?

Accepted Answer

C. cell

Answer

A. organ

Answer

B. system

Answer

D. tissue

Question 40

In mosses the structure which performs the function of water absorption is the _________?

Accepted Answer

B. rhizoids

Answer

A. root hairs

Answer

C. capsule

Answer

D. hyphae

Question 41

Red blood cells are also known as _________?

Accepted Answer

A. erythrocytes

Answer

B. thrombocytes

Answer

C. phagocytes

Answer

D. leucocytes

Question 42

Ability to taste PTC in some individuals is a character that is

Accepted Answer

B. heritable

Answer

A. acquired

Answer

C. sex-linked

Answer

D. morphological

Question 43

Coloration of the eye is ______ variation

Accepted Answer

B. morphological

Answer

A. physiological

Answer

C. adaptive

Answer

D. recessive

Question 44

The joint between the femur and tibia is known as ________?

Accepted Answer

A. hinge joint

Answer

B. ball-and-socket joint

Answer

C. pivot joint

Answer

D. gliding joint

Question 45

Which of the following is an example of active transport?

Accepted Answer

D. Sodium being reabsorbed in the kidney

Answer

A. Oxygen exchanging between red blood cells and liver cells

Answer

B. Carbon dioxide exchanging between muscle cells and red blood cells

Answer

C. Water moving out of the small intestine

Question 46

Size, colour and fingerprints are examples of ______

Accepted Answer

C. morphological variation

Answer

A. physiological variation

Answer

B. discontinuous variation

Answer

D. adaptive variation

Question 47

A bacteria that is spherically shaped is called?

Accepted Answer

B. coccus

Answer

A. diplobacillus

Answer

C. bacillus

Answer

D. vibrio

Question 48

The lungs of the lung fish is an adaptation for respiration _______?

Accepted Answer

C. while on land

Answer

A. to complement gills while in water

Answer

B. to complement gills while on land

Answer

D. while in water

2017 JAMB Biology Past Questions

Questions

Frequently asked questions

How do I prepare for JAMB Biology?

Where can I find JAMB Biology past questions?

How close is the DeeepSolve CBT simulator to the real JAMB?

Are the AI explanations accurate?