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1.
Which of the following statement is NOT true of enzymes? They
.
A. Are proteins
B. Are sensitive in their action
C. Can withstand high temperature
D. Are specific in their action

2.
Exoskeleton is NOT found in the
.
A. Maggot
B. Mosquito larva
C. Earth worm
D. Caterpillar

3.
Blood clotting is initiated by
.
A. Leucocytes
B. Platelets
C. Haemoglobin
D. Erythrocytes

4.
Pepsin is a digestive enzymes which breaks
.
A. Cellulose into glucose molecules
B. Carbohydrates into simple sugars
C. Protein into peptones
D. Sucrose into glucose and fructose

5.
Anaerobic respiration in yeast produces
.
A. Carbondioxide and ethanol
B. Carbondioxide and water
C. Carbondioxide and oxygen
D. Carbondioxide and glucose

6.
A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child's hemoglobin?
.
A. AA
B. AO
C. AS
D. SS

7.
The removal of a man's pancreas by surgical operation can affect only the digestion of
.
A. Starch
B. Starch, protein and fats
C. Oils and fats
D. Proteins

8.
If an animal is very active and has good muscular control, it is likely to have well-developed
.
A. Olfactory lobes
B. Cerebral hemisphere
C. Optic lobes
D. Cerebellum

9.
Normally the flow of blood is NEVER from
.
A. artery to arterioles
B. arterioles to capillaries
C. arterioles to the artery
D. venules to the vein

10.
Asexual reproduction does NOT occur in
.
A. Mucor, Spirogyra and Paramecium
B. Mucor, Rhizophus and Penicillium
C. Amoeba, Spyrogyra and Mucor
D. Rhizophus, Ascaris and Amoeba

11.
The axial skeleton of a mammal does not include the bones of the
.
A. skull
B. tail
C. limbs
D. neck

12.

Which of the following sequences represents process of blood clothing?

  1. Fibrins forms a network of threads
  2. Red blood cells are caught and clot is formed
  3. Fibrinogen in plasma changes into fibrin
  4. Blood is exposed to air
.
A.

4, 3, 2, 1

B.

4, 3, 1, 2

C.

3, 1, 4, 2

D.

1, 2, 3, 4


13.
Which of the following is NOT regarded as a pollutant on land or in the air?
.
A. smoke
B. noise
C. carbon monoxide
D. nitrogen

14.
Which of the following statements is NOT true of mammalian erythrocytes?
.
A. They have haemoglobin
B. they appear yellow when looked at singly
C. The cell are more numerous than leucocytes
D. They have nuclei at maturity

15. q-image

The organelle responsible for heredity is labelled

.
A.

I

B.

II

C.

III

D.

IV


16. q-image

The experimental set-up above is used to demonstrate the process of

.
A.

fermentation

B.

plasmolysis

C.

diffusion

D.

photosynthesis


17. q-image

The gas evolved in the process is

.
A.

oxygen

B.

carbon (II) oxide

C.

carbon (IV) oxide

D.

nitrogen


18. q-image

An economic importance of the organism represented by IV is that

.
A.

its faeces pollutes drinking water

B.

it helps in the control of mosquito larvae

C.

it transmits water-borne diseases to humans

D.

it is destructive to farm crops


19. q-image

Which of the organisms represented are notable agricultural pests?

.
A.

II and III

B.

I and III

C.

II and IV

D.

I and IV


20. q-image

Which of the following is a true feature of plantation II?

.
A.

It has the highest number of trees

B.

It has the highest number of tall trees

C.

The height of all its trees range between 2m and 6m

D.

It has the highest number of trees of about 2m high


21. q-image

In which plantation are all the trees between the height of 2 - 4m?

.
A.

II

B.

I

C.

IV

D.

III


22. q-image

During photosynthesis, the arrow labelled II represents the

.
A.

absorption of energy from the sun

B.

release of carbon(IV) oxide

C.

release of oxygen as a by-product

D.

escape of mineral salts


23. q-image

The movement of material in the xylem and phloem tissues of the plant are represented by the arrows labelled

.
A.

II and I respectively

B.

I and II respectively

C.

IV and III respectively

D.

III and IV respectively


24. q-image

Based on the shape and structure of the beak and feet, the bird represented is likely to feed mainly on

.
A.

fruits

B.

seeds

C.

nectar

D.

flesh


25. q-image

The main function of the feathers covering the part labelled I is to

.
A.

generate heat to keep the animal warm

B.

provide some power for flight

C.

serve as insulator to maintain body heat

D.

prevent ectoparasites from attacking the animal


26. q-image

Which of the animals represents the oldest creatures in terms of evolutionary history?

.
A.

I

B.

II

C.

III

D.

IV


27. q-image

With respect to their decreasing dependence on aquatic conditions forreproduction, which of the following is the correct arrangement of the animals represented?

.
A.

IV, III, II and I

B.

I, II, IV and III

C.

III, II, IV and I

D.

I, IV, II and III


28. q-image

The optimum temperature for the growth of the organism is

.
A.

25°C

B.

50°C

C.

75°C

D.

100°C


29. q-image

The zone of physiological stress is represented by

.
A.

I and II

B.

II only

C.

II and III

D.

I and III


30. q-image

The likely pollinating agent of the flower is

.
A.

wind

B.

water

C.

insect

D.

man


31. q-image

The male sex cells are contained in the part labelled

.
A.

I

B.

II

C.

III

D.

IV


32. q-image

The function of the correcting lens is to

.
A.

diverge incoming rays

B.

converge incoming rays

C.

reflect incoming rays

D.

screen incoming rays


33. q-image

The eye defect illustrated is

.
A.

myopia

B.

hypermetropia

C.

astigmatism

D.

cataract


34. q-image

The content of the part labelled III is usually

.
A.

neutral

B.

alkaline

C.

acidic

D.

saline


35. q-image

Emulsification of fats takes place in the part labelled

.
A.

I

B.

II

C.

III

D.

IV


36. q-image

The part labelled I is the

.
A.

spongy mesophyll

B.

upper epidermis

C.

cuticle

D.

vein


37. q-image

The structure that controls loss of water vapour during transpiration is labelled

.
A.

I

B.

II

C.

III

D.

IV


38. q-image

The habitat of the organism is

.
A.

slow moving streams and marshes

B.

the stomach of large mammals

C.

under leaf litter on forest floor

D.

the small intestine of large vertebrates


39. q-image

The structure labelled X is for

.
A.

attachment

B.

feeding

C.

seeing

D.

breathing


40. q-image

The animal represented by I is a

.
A.

poikilotherm

B.

homoiotherm

C.

carnivore

D.

herbivore


41. q-image

From the graph above, it can be appropriately deduced that

.
A.

the body temperature in II varies with that in I

B.

the body temperature in I is independent of external temperature

C.

I and II maintain constant body temperature

D.

external temperatures affect the body temperature of I and II


42. q-image

The genotypic ratio of the offspring of the cross is

.
A.

1:2

B.

1:2:1

C.

1:1:1:1

D.

3:1


43. q-image

Which of the four offspring of the cross will beshort if T the gene for tallness is dominant to t?

.
A.

I

B.

II

C.

III

D.

IV


44. q-image

The male inflorescence is labelled

.
A.

I

B.

II

C.

III

D.

IV


45. q-image

The illustration is a typical example of a plant pollinated by

.
A.

wind

B.

man

C.

insects

D.

birds


46. q-image

The part labelled I represents the

.
A.

stationary phase

B.

lag phase

C.

log phase

D.

steady phase


47. q-image

The vessel that carries blood from I to II is the

.
A.

pulmonary artery

B.

pulmonary vein

C.

carotid artery

D.

jugular vein


48. q-image

Water reabsorption takes place in

.
A.

II and III

B.

III and IV

C.

I and IV

D.

I and III


49. q-image

The population size of species II on the 20th day is

.
A.

100

B.

200

C.

300

D.

400


50. q-image

If species I, II and III interact in a community, which of the following statements is true?

.
A.

The population of species II is growing at a slow rate

B.

The population of species III has reached its carrying capacity

C.

The population of species I has become extinct

D.

The population of species I is always higher than species II


51. q-image

The type of reproduction illustrate in IV is

.
A.

sexual

B.

conjugation

C.

binary fission

D.

budding


52. q-image

Which of the organisms is characterized by the possession of a chitinous exoskeleton?

.
A.

I

B.

II

C.

III

D.

IV


53. q-image

Which of the following will be true of dog II which lost its tail in an accident if it mates with dog III?

.
A.

None of its offspring will be born without a tail

B.

3/4 of its offspring will be born without tails

C.

All its offspring will be born without tails

D.

1/4 of its offspring will be born Without tails


54. q-image

If the dogs are offspring of a monohybrid cross and the gene G for grey head is dominant over its allele g, the individual whose genotype is likely to be gg is

.
A.

II

B.

I

C.

IV

D.

III


55. q-image

The structure labelled I is the

.
A.

sporangium

B.

hypha

C.

zygospore

D.

conidiospore


56. q-image

The process illustrated beside is

.
A.

gametogenesis

B.

sporulation

C.

sexual reproduction in Spirogyra

D.

sexual reproduction in Rhizopus


57. q-image

The part labelled I is the

.
A.

nuclear membrane

B.

cell wall

C.

endoplasmic reticulum

D.

plasmallema


58. q-image

The organelle responsible for heredity is

.
A.

III

B.

IV

C.

II

D.

I


59. q-image

The organelle responsible for sexual reproduction is

.
A.

II

B.

I

C.

IV

D.

III


60. q-image

The part labelled IV is responsible for

.
A.

osmoregulation

B.

respiration

C.

ingestion

D.

locomotion


61. q-image

A unique characteristic that distinguishes the class of vertebrates represented from other vertebrates is the presence of

.
A.

two pairs of limbs

B.

scales on the lower legs

C.

a pair of wings

D.

a covering of feathers


62. q-image

The structure labelled I is sensitive to

.
A.

light and touch

B.

chemicals only

C.

light only

D.

chemicals and touch


63. q-image

The maxillary palp is labelled

.
A.

III

B.

IV

C.

I

D.

II


64. q-image

The variation illustrated is

.
A.

discontinuous

B.

morphological

C.

physiological

D.

biochemical


65. q-image

The change in the length of the necks of the giraffes shown beside was brought about by

.
A.

geographical isolation

B.

predation

C.

symbiosis

D.

natural selection


66. q-image

The type of adaptation shown by the larva is

.
A.

mimicry

B.

countershading

C.

flash coloration

D.

disruptive coloration


67. q-image

The economic importance of the larva is that it

.
A.

is eaten by birds

B.

develops into a moth

C.

resembles the plant on which it lives

D.

feeds on the leaves of crops


68. q-image

The part labelled I represents the

.
A.

base pairs

B.

ribose sugar

C.

phosphate linkage

D.

deoxyribose sugar


69. q-image

The diagram represents the structure of

.
A.

proteins

B.

chromosomes

C.

RNA

D.

DNA


70. q-image

The organ through which the embryo receives food, water and oxygen is labelled

.
A.

III

B.

IV

C.

II

D.

I


71. q-image

The part labelled IV is for

.
A.

excretion

B.

nourishment

C.

protection

D.

respiration


72. q-image

A plant that exhibits the type of reproduction shown in IV is

.
A.

Cola

B.

ginger

C.

Bryophyllum

D.

sugarcane


73. q-image

Sexual reproduction is illustrated in

.
A.

II

B.

I

C.

III

D.

IV


74. q-image

At which temperature will cockroaches not survive after 10 days.

.
A.

15°C

B.

19°C

C.

24°C

D.

33°C


75.
Where is the energy produced in a cell?
.
A. Nucleus
B. Lysosomes
C. Chloroplast
D. Mitochondria

76.
The cilia in paramecium are use for
.
A. respirating
B. locomotion
C. regulating food intake
D. excretion

77.
Euglena may be classified as a plant because it
.
A. has a gullet
B. has chloroplast
C. lives in a pond
D. has pellicle

78.
Which of the following is a characteristic of animal cell?
.
A. Presence of chloroplast
B. possession of cellulose cell-wall
C. absence of large vacuoles
D. presence of large vacuoles

79.
Rhizopus (or mucor)obtain its food from dead organic matter extra cellularly. It is said to be
.
A. a facultative parasite
B. saprophyte
C. a commensal
D. an autotroph

80.
A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X was
.
A. a very strong sugar solution
B. a weak sugar solution
C. a very weak salt solution
D. distilled water

81.
All living organism
.
A. Photosynthesize
B. Respire
C. Move
D. Feed

82.
Amoeba moves by means of
.
A. Cilia
B. Flagella
C. Setae
D. Pseudopodia

83.
An organism which lives on the remain of dead plant is
.
A. An endoparasite
B. Saprophyte
C. Symbiont
D. ectoparasite

84.
The movement of molecules from a region of higher concentration to one of lower concentration is
.
A. Diffusion
B. Transpiration
C. Osmosis
D. Translocation

85.
An organism X lives entirely on the waste products in another organism Y. In this association X is a
.
A. epiphyte
B. commensal
C. saprophyte
D. parasite

86.
if three 30 cm lengths of glass tubing are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week, the level of water will be
.
A. lowest in the tube with clay
B. the same in all tubes
C. highest in the tube with sandy soil
D. lowest in the tube with sandy soil

87.
In animals, cilia, flagella, pseudopodia and chaetae, can be used for
.
A. reproduction
B. fighting
C. attachment to plants
D. locomotion

88.
The mushroom is an organism which feeds
.
A. parasitically
B. saprophytically
C. symbiotically
D. autotrophically

89.
What is the function of the contractile vacuole in paramecium?
.
A. Produces enzymes
B. Gets rid of excreta
C. Stores and digest food
D. Gets rid of excess water

90.
Spirogyra reproduces vegetatively by
.
A. spore production
B. fragmentation
C. binary fission
D. multiple fission

91.
The two types of human tapeworm can be distinguished by the presence or absence of
.
A. scolex
B. hook
C. head
D. sucker

92.
Which of the following statement is NOT true of symbiosis?
.
A. Symbionts must be living
B. It is an association of 'give and take
C. The association between two may involve two plants
D. Association between two similar species

93.
One common feature of the fungi, algae, mosses and ferns is that they
.
A. are photosynthetic
B. can survive dry conditions
C. reproduce by means of conjugation
D. have no seeds

94.
Which of these combinations is common to plant and animal cells?
.
A. Centriole middle lamella, golgi bodies, mitrochondrion
B. Cytoplasm, sap, vacuole, starch grains, leucoplasts
C. Plasma membranes, chromosomes, mitochondria, lysosomes
D. Cytoplasm, centriole, cellulose cell wall, nucleolus

95.
When spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it
.
A. Remains unchanged
B. Takes up water an burst
C. Absorbs a little water
D. Loses water and shrivels

96.
Mosses, liverworts and ferns can be grouped together because they
.
A. Are all aquatic plants
B. All grow in deserts
C. Are seedless plants
D. All produce colourless flowers

97.
Spirogyra and mucor can be grouped together as Thallophyta because
.
A. They are unicellular organisms
B. Their spores could be dispersed by wind
C. They are capable of living independent lives
D. Their bodies are made up of thallus and filaments alternatively

98.
Which of the following is INCORRECT? The prothallus a of a fern
.
A. Is flattened heart-shaped structure
B. Is green because its cells contain chloroplasts
C. Is the dominant plant
D. Bears the sexual organ

99.
Which of the following cell constituents is NOT common in both plants and animals?
.
A. Mitochondria
B. Chloroplast
C. Ribosomes
D. Vacuoles

100.
Osmosis can be defined as the movement of
.
A. Molecules from solution of higher concentration to low concentration
B. Molecules from solution of low concentration to high concentration
C. Water from solution of high concentration to low concentration
D. Water across a semi-permeable membrane from solution of low concentration to high concentration

101.
The parts used by the tapeworm to fasten itself to the host's intestine are the
.
A. Neck and suckers
B. Hooks and suckers
C. Rostellum and suckers
D. Young proglottis and neck

102.
In spirogyra, the pyrenoid
.
A. excretes waste products
B. is suspended by cytoplasmic strands
C. is mainly used for respiration
D. usually contains starch

103.
In which of the following groups of animals are flagella and cilia found?
.
A. Flatworms
B. Annelids
C. Coelenterates
D. protozoa

104.
The stem differs from the root in having the xylem and phloem strands
.
A. on the same radii
B. scattered
C. on alternate radii
D. towards the pith

105.
The male cockroach differs from the female by having
.
A. mandibles
B. a pair of style
C. spiracles
D. apair of cerci

106.
When the original king and queen of termites die, they are replaced by
.
A. the king and queen of another colony
B. some adult reproductive's from the same colony
C. some adult workers which are specially fed breed
D. developing nymphs nurtured as secondary reproductives

107.
Fishes are cold blooded because their body temperature is
.
A. constantly low
B. constantly high
C. dependent on that of their surroundings
D. regulated at will

108.
Which of the following is lacks chaetae, tentacles and antennae?
.
A. Snail
B. Crab
C. Millipede
D. Earthworm

109.
Incomplete metamorphosis occurs in the
.
A. butterfly
B. grasshopper
C. mosquito
D. housefly

110.
The fins making up the limbs of the bony fish are
.
A. caudal and ventral
B. ventra and pelvic
C. pelvic and pectoral
D. pectoral and dorsal

111.
For effective functioning of a bird's quill feather, hooks fit on the ridge of the
.
A. Vane
B. rachis
C. barbules
D. barbs

112.
Which of the following pairs are fully adapted to terrestrial life?
.
A. Ferns and algae
B. Ferns and mosses
C. Bryophytes and flowering plants
D. Flowering plants and conifers

113.
Which of the following food chains is in the correct sequence?
.
A. Weeds → Tadpole → Beetles → Fish → Man
B. Weeds → Tadpole → Fish → Beetles → Man
C. Tadpole → Beetles →Weeds → Man → Fish
D. Man → Fish → Beetles → Tadpole → Weeds

114.
The function of lymph nodes is to
.
A. supply oxygen
B. filter out bacteria
C. form red blood cells
D. supply amino acids

115.
At what stage in the life history of a toad is its mode of breathing similar to that of fish?
.
A. Tadpole stage
B. Adult stage
C. Internal gill stage
D. Larval stage

116.
In fish the sense organs which detect movements in water are located within the
.
A. gills
B. operculum
C. nostrils
D. lateral line

117.
Each of the following is an anthropod EXCEPT the
.
A. crab
B. spider
C. snail
D. milipede

118.
Green plants are important in the ecosystem because they are
.
A. primary consumers
B. producers
C. decomposers
D. secondary consumers

119.
The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for
.
A. tearing
B. chewing
C. cutting
D. cutting and grinding

120.
The transect method can be used in ecology to show the
.
A. Number of plants and animal s in a habitat
B. Population of a particular plant species
C. Distribution of organisms along a line
D. Heights of trees in section of a forest

121.
Which of the following adaptations is NOT concerned with the flight of birds?
.
A. Streamlined shape
B. Presence of powerful muscles
C. Reduced body weight
D. Webbed feet

122.
Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man?
.
A. Caudal
B. Thoracic
C. Lumber
D. Cervical

123.
The dorsal and anal fins of fish are used for
.
A. upward movement
B. Controlling rolling
C. Downward movement
D. Steering

124.
Which of the following invertebrates does NOT possess antennae?
.
A. Centipede
B. Crustacean
C. Insects
D. Spider

125.
The male toad differs from the female by having
.
A. Vocal sacs
B. Shorter hind limbs
C. Longer fore limbs
D. Bulging eyes

126.
The mouth parts of the housefly are adapted for
.
A. Lapping and sponging
B. Sucking and chewing
C. Piercing and sucking
D. Chewing and lapping

127.
Which of the following statements about the rate of transpiration is INCORRECT? It is
.
A. Dependent on temperature
B. Affected by changes in light intensity
C. Unaffected by humidity
D. Dependent on air movement

128.

Which sequence represents the correct order of organisms un a food chain? 

  1. Toad
  2. Mucuna
  3. Grasshopper
  4. Snake
  5. Hawk
.
A.

5 → 4 → 1 → 3 → 2

B.

1 → 2 → 3 → 4 → 5

C.

2 → 1 → 3 → 4 → 5

D.

2 → 3 → 1 → 4 → 5


129.
The function of the ossicles (maleus, incus and stapes) in the mammalian ear is
.
A. Transmission of vibrations
B. Regulation of pressure
C. Support of the inner ear
D. Maintenance of balance during motion

130.

Which of the following represents the evolutionary sequence in these plants?

  1. Flowering plants 
  2. Ferns
  3. Mosses
  4. Algae
  5. Conifers
.
A.

5 → 4 → 3 → 2 → 1

B.

2 → 4 → 5 → 1 →3

C.

3 → 2 → 4 → 5 → 1

D.

4 → 3 → 2 → 5 → 1


131.

Starting from the skull end to the vertebrae are arranged in the following order

.
A.

axis, atlas, cervical, thoracic and lumber

B.

atlas, cervical, axis, thoracic and lumber

C.

atlas, axis, thoracic, cervical and lumber

D.

atlas, axis, cervical, thoracic and lumbar

E.

atlas, thoracic, cervical, axis and lumbar.


132.
Which of the following statements is NOT true of insectivorous plants?
.
A. They obtain part of their food by trapping and feeding on insects
B. They attract insects simply because of pollination
C. They can supplement their nitrgen supply by feeding on insects
D. Example include butterworts, sundews and pitcher plants

133.

In what order do the following structure develop during the metamorphosis of the toad?

  1. External gills
  2. Internal gills
  3. Forelimbs
  4. Hindlimbs
  5. Mouth
.
A.

1,2,3,4,5

B.

1,5,2,4,3

C.

2,1,3,4,5

D.

5,3,4,1,2


134.
An homoeothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which body temperature regulation ?
.
A. Radiation
B. Sweat
C. Conduction
D. Convection

135.
Which of these animals is NOT metamerically segmented?
.
A. Tapeworm
B. Centipede
C. Crayfish
D. Shark

136.
A population is defined as the collection of
.
A. Similar organism that are found in the same habitat
B. Similar organism eating the same food
C. Different organisms in the same habitat
D. Similar organisms that breed in the same habitat

137.
The thoracic vertebrae of a mammal is characterized by the
.
A. vertebraterial canal
B. prominent neural arch
C. prominent transverse
D. prominent neural spine

138.
Choose the sequence which represents the correct order of organisms in a food chain.
.
A. Grass, snake, toad, grasshopper, hawk
B. Grass, grasshopper, toad, snake, hawk
C. Grass, grasshopper, snake, toad, hawk
D. Grass, snake, grasshopper, toad, hawk

139.
Which of the following insects has an incomplete metamorphosis during its life circle?
.
A. Butterfly
B. Bee
C. House-fly
D. Grasshopper

140.
Which of the following animals is cold blooded
.
A. Cat
B. Lizard
C. Whale
D. Bird

141.
A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following
.
A. Ecosystem
B. Food web
C. Succession
D. Community

142.
A potometer is used to determine the rate at which a shoot
.
A. respires
B. loses weight
C. absorbs water
D. transpires

143.
The joint between the atlas and axis vertebrae allows for
.
A. rotatory movement only
B. up and down or nodding movements only
C. rotatory and nodding movements
D. slight movement

144.
Some of the features of an animal are scales, teeth, nares and backbone. The animal is likely to be a
.
A. Toad
B. Bird
C. Lizard
D. Bat

145.
Which one of the following animals is NEVER a secondary host of tapeworms?
.
A. cow
B. Fish
C. Pig
D. Man

146.
The complex relationship between the members of a community and between the community as a whole and its physical environment is
.
A. Ecosystem
B. Habitat
C. Environment
D. Niche

147.
Which of the structure listed below is peculiar to the axis vertebra?
.
A. Odontoid process
B. Anterior zygapophysis
C. Posterior zygapophysis
D. Lateral spine

148.
Which of these is not a function of the mammalian skin
.
A. Production of vitamin d when exposed to sun light
B. Excretion of waste and water
C. production of pigments to reduce temperature
D. Protection against bacteria infection

149.
Which of these is not a part of the feather of a bird?
.
A. Wing
B. after shaft
C. Inferior umblilicus
D. Vane

150.
Which of these is not associated with the movement of the toad, reptile or bird?
.
A. Hopping
B. Bopping
C. Gliding
D. Pecking

151.
Which of these is not associated with tadpole stages of toad or frog
.
A. V-shaped gland
B. external gills
C. jelly
D. shell

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