JAMB - Biology (2013)

• 1

  The process in which complex substances are broken down into simpler ones is referred to as

  回答

  (B)

  catabolism
• 2

  The organ which is sensitive to light in Euglena is the

  回答

  (D)

  eyespot
• 3

  The organelles present in cells that are actively respiring and photosynthesizing are

  回答

  (D)

  mitrochondria and chloroplast
• 4

  Taenia solium can be found in

  回答

  (D)

  pig
• 5

  Which of the following describes a characteristic of arthropods?

  回答

  (D)

  the body is covered by chitin
• 6

  Which of the following distinguishes a butterfly from a moth?

  回答

  (D)

  the abdomen of moth is fatter than that of butterfly
• 7

  Which of the following types of feathers is used for flight in birds?

  回答

  (A)

  Quill
• 8

  The plants that grow in deserts or very dry areas are referred to as

  回答

  (D)

  xerophytes
• 9

  Which of the following is the simplest living organism?

  回答

  (B)

  Virus
• 10

  Proboscis is a structure that is mostly found in

  回答

  (A)

  insects
• 11

  The structural adaptation of desert plants for water conservation is

  回答

  (C)

  spiny leaves
• 12

  The long and sharp clawed feet of birds is an adaptation for

  回答

  (D)

  grasping prey
• 13

  During the manufacture of food by plants, which of the following organism use energy from the sun?

  回答

  (A)

  anabaena
• 14

  Movement of minerals and chemical compounds with a plant occurs during

  回答

  (B)

  translocation
• 15

  The enzyme that is present in the saliva is

  回答

  (D)

  ptyalin
• 16

  Plants that have special devices for trapping and digesting insects are

  回答

  (A)

  carnivorous
• 17

  The process of transforming the chemical energy of cellular fuels into the high energy bonds of ATP in plants is

  回答

  (D)

  respiration
• 18

  Fungi are referred to as hetotrophs because they

  回答

  (B)

  lack chlorophyll
• 19

  An example of a parasitic protozoan is

  回答

  (B)

  Plasmodium
• 20

  Which blood cell are involved in the immune response of vertebrates?

  回答

  (B)

  lymphocytes
• 21

  The blood circulatory system of vertebrates consists of

  回答

  (A)

  heart, arteries, capillaries and veins
• 22

  A plant tissue that carries water and mineral salts is the

  回答

  (B)

  xylem
• 23

  Which of the following helps in the clotting of blood?

  回答

  (D)

  Platelets
• 24

  The part of the mammalian skin involved in excretion is the

  回答

  (A)

  sweat glands
• 25

  Which of the following forms about 55% of the volume of the blood in man?

  回答

  (C)

  plasma
• 26

  Which of the following is a waste product of an insect?

  回答

  (B)

  Uric acid
• 27

  The main structure in vertebrates that supports and protects the body is the

  回答

  (A)

  skeleton
• 28

  The chitin in the exoskeleton of many arthropods is strengthened by

  回答

  (C)

  calcium compounds
• 29

  The transfer of pollen grains from the anther to a sigma is

  回答

  (C)

  pollination
• 30

  The male reproductive organ of a flower is the

  回答

  (B)

  stamen
• 31

  The gland that is found just below the hypothalamus is the

  回答

  (C)

  pituitary
• 32

  The most important plant hormone is

  回答

  (C)

  auxin
• 33

  The sensory cell that responds to dim light is referred to as the

  回答

  (C)

  rod
• 34

  The absence of anti-diuretic hormone in humans results in

  回答

  (D)

  increasing dehydration
• 35

  Oestrogen is a hormone that is synthesized in the

  回答

  (A)

  ovaries
• 36

  The eye defect cause by the development of cloudy areas in the lenses is?

  回答

  (C)

  cataract
• 37

  A pollutant that is biodegradable is

  回答

  (D)

  sewage
• 38

  A tropical disease caused by Trypanosoma is

  回答

  (A)

  sleeping sickness
• 39

  The solid part of the ecosystem is referred to as the

  回答

  (D)

  lithosphere
• 40

  Which of the following is caused by Treponema palladium?

  回答

  (D)

  Syphilis
• 41

  To which blood group do universal recipients belong?

  回答

  (D)

  AB
• 42

  The clumping together of red blood cells is

  回答

  (A)

  agglutination
• 43

  Physiological adaptation to very dry conditions in animals demonstrates

  回答

  (D)

  aestivation
• 44

  One of adaptation of Cactus opuntia to conserve water is the reduction of

  回答

  (C)

  leaves to spine
• 45

  Which of the following structure is adapted for feeding in a bird of prey?

  回答

  (A)

  Hooked break and sharp claws