Plant and Animal Nutrition Generix Content - Plant and Animal Nutrition
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"Plant and Animal Nutrition" question number distribution across years
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WAEC questions for "Biology :: Plant and Animal Nutrition"
Q1
A few drops of fehling's solution was added to juice extracted from fresh maize grain and boiled. A red precipitate was formed, indicating the presence of
A
alcohol
B
protein
C
non-reducing sugar
D
starch
E
reducing sugar
Q2
In which of the following structures will cells undergoing meiosis be seen?
A
At the apices of stem and root
B
In the cortex of the stem
C
In the pallisade mesophyll of the leaf
D
In the ovary of a flower
E
In the root of a seedling
Q3
Which of the following instruments can be used to perform an experiment on geotropism?
A
Potometer
B
cup anemometer
C
Klinostat
D
Kymograph
E
Sphygmomanometer
Q4
Which of the following labeled structures secretes enzymes which facilitates penetration of the egg?
A
I
B
II
C
III
D
IV
E
V
Q5
The part labeled I in A represents the
A
root
B
radicle
C
hypocotyl
D
shoot
E
stem
Q6
The part labelled II represents the
A
root
B
radicle
C
hypocotyl
D
cotyledon
E
hilum
Q7
What is the importance of the part labelled II to the seedling? It
A
protects the foliage leaves
B
grows into the first foliage leaves
C
later develops into fruit
D
provides the seedling with food
E
serves as the water reservoir for seedling
Q8
In a water cultured experiment, the cultured solution in a transparent beaker turned green?
A
Changing the cultured solution regularly
B
Increasing the number of times the culture is aerated
C
Covering the transparent beaker with black cloth
D
Adding warm alcohol to bleach the green colour
E
Sterilizing the beaker in a hot oven before use
Q9
At the end of photosynthesis, the green leaf is tested for starch and not glucose, because
A
the glucose is used up immediately to provide energy for the needs of leaf
B
the glucose formed is immediately converted to starch
C
starch is stored only in leaves
D
there are no chemicals for glucose test in leaves
E
it is easy to test for starch
Q10

Which of the folowing equation is not associated with photosynthesis?

A

H2O H +OH

B

C6H12O6  2C2H2OH +2CO2

C

CO2 + [4H] CH2O +H2O

D

4[OH] 2H2O+O2

E

6CO2 +6H20  C6H12O6 +602 O2

Q11
Which of these processes removes carbon from the atmosphere ?
A
putrefaction of animals
B
Burning of fuels
C
Photosynthesis
D
Volcanic eruption
E
Respiration in plants
Q12
Which of the following conditions is not necessary for photosynthesis to occur in plants?
A
There must be light
B
There must be xylem tissue used to conduct water
C
There must be chlorophyll to trap radiant energy
D
Carbon dioxide must be present
E
Water must be present
Q13

Which of the temperature ranges will likely favour the plant best?

A

0−10oC

B

15-20oC

C

30-40oC

D

45-50oC

E

above 50oC

Q14
The process by which plants manufacture food from carbon dioxide and water, using energy from the sun is termed
A
chemosynthesis
B
photosynthesis
C
autotrophism
D
heterotrophism
E
transpiration
Q15
Which of the following is not required for primary production to occur in plants?
A
Chlorophyll
B
Sugar
C
Water
D
Carbon dioxide
E
Solar energy
Q16
The deficiency of calcium in a plant may result in
A
stunted growth and a poor root development
B
poor growth leaves become orange or brown
C
stunted growth, slender stem and yellowing of leaves
D
very small leaves and yellowing of leaves
E
tall weedy and reddish leaves
Q17
Which of the following plant diseases is indicated when grains of cereals are covered with a mass of spores?
A
Smut
B
Mosaic
C
Maize streak
D
Fungal blast
E
Rust
Q18
Which of the following structural features adapts Drosera (Sundew) to its carnivorous mode of nutrition?
A
Long root with glandular hairs
B
Club-shaped glandular hairs on leaves
C
Prominent lenticel on the stem
D
Broad leaves with long spines
E
Wide stomata under the leaves
Q19
Which of the following mineral salts is a trace element?
A
Zinc
B
Carbon
C
Hydrogen
D
Potassium
E
Calcium
Q20
Which of the following substances cannot control the growth of harmful micro organisms?
A
Antibiotics
B
Hypertonic salt solution
C
Disinfectants
D
Isotonic sugar solution
E
Antiseptics
Q21
Which of the following processes is responsible for the increase of length and dry mass in a root tip?
A
Meiosis
B
Absorption
C
Mitosis
D
Conjugation
E
Fertilization
Q22
The part labeled I is
A
a micro-organism
B
a developing insect
C
a water droplet
D
an oil droplet
E
a soil droplet
Q23
The functions of the part labeled II is to
A
prevent the entry of insects into soil
B
prevent the entry of light into soil
C
prevent light from shining on the delicate roots
D
prevent evaporation from the soil
E
make the container air tight
Q24
Which of the following can be used to detect the loss of water vapour from the leaves of plant?
A
Hydrated copper sulphate
B
Blue litmus paper
C
Red litmus paper
D
Blue cobalt chloride paper
E
Lead acetate paper
Q25
Which of the following structures of the leaf contains air?
A
Guard cell
B
Palisade layer
C
intercellular space
D
Vascular bundle
E
Upper epidermis
Q26
Which of the following is the function of bright coloration of petals in flowers?
A
Beautifying the environment
B
Providing warning coloration for insects
C
Attracting pollinating insects
D
Production of chloroplasts for photosynthesis
E
Synthesizing dyes for textile industries
Q27
The following are necessary for photosynthesis to take place except
A
chlorophyll
B
water
C
carbon dioxide
D
light
E
oxygen
Q28
When a mixture of a food substance and Benedict's solution is warmed, the solution changes colour from blue to a brick-red precipitate. This test indicates the presence of
A
reducing sugars
B
fatty acid
C
sucrose
D
amino acid
E
starch
Q29
Which of the following is not an example of a hetertrophic mode of nutrition?
A
Symbiosis
B
Parasitism
C
Commensalism
D
Holophytism
E
Saprophytism
Q30
In which of the following are food grains best preserved?
A
Silos
B
Sacks
C
Refrigerators
D
Ovens
E
Baskets
Q31
The organnelle which eliminates water from the body of a protozoa is
A
plasma membrane
B
contractile vacuole
C
cell wall
D
protoplasm
E
nucleus
Q32
The mechanism of gaseous exchange in living organisms is essentialy by
A
osmosis
B
inhalation
C
diffusion
D
exhalation
E
breathing
Q33
The process of anearobic respiration of yeadt in sugar solution is known as
A
oxidation
B
fermentation
C
tissue respiration
D
alchohol production
E
decomposition
Q34
During which of the following processes is food for animals produced?
A
Photosynthesis
B
Respiration
C
Nutrition
D
Digestion
E
Transpiration
Q35
In testing for a reducing sugar, the food substance is usually warmed with
A
sulphuric acid
B
Million's reagent
C
Sudan III
D
Benerdict's solution
E
Sodium hydroxide
Q36
Water vapour is lost in plants during transpiration through
A
stomata and lenticels
B
xylem and stomata
C
sclerenchyma and stomata
D
parenchyma and lenticels
E
guard cells and lenticels
Q37
Gaseous exchange takes place in the adult toad through the
A
buccal cavity, bladder and lungs
B
buccal cavity, skin and lungs
C
tympanic membrane, lungs and gills
D
buccal cavity, skin and spiracle
E
gills, skin and buccal cavity
Q38
Which of the following are components of glomerular filtrate ?
A
All the components of blood except mineral salt
B
Water and salt only
C
All the components of blood except plasma protein and cells
D
Plasma protein, red and white blood cells
E
Blood cells, amino acids, salts and nitrogenous waste
Q39
The process by which usefull materials of the glomerular filtrate are taken back into the blood is known as
A
filtration
B
reabsorption
C
haemolysis
D
osmosis
E
dialysis
Q40
The condition knwon as centrinism is caused by the deficiency of
A
adrenalin
B
vitamin A
C
insulin
D
thyroxin
E
vitamin C
Q41
Which of the following is the effect of using artificial pollination in the plant breeding?
A
production of healthy crops
B
Improvement of the variety of crops
C
Making crops susceptible to disease
D
Lengthening the maturity time of crops
E
Encouraging competition among crops
Q42
Which of the following is an autotrophic mode of nutrition?
A
Chemosynthesis
B
Sapropytism
C
Parasitism
D
Symbiosis
E
Commensalism
Q43
Water in the human body is derived from the following source except through
A
drinking water
B
food substances
C
cytoplasm of worn-out cells
D
respiratory activity
E
absorption by the skin
Q44
Water rises most rises most rapidly in the
A
sandy soil
B
clayey soil
C
sandy-loam soil
D
loamy soil
E
humus soil
Q45
Four cells with osmotic potential equivalent to that of 3% salt solution were immersed respectively in solutions of different concentrations labelled as follows I= 4% salt solution; II= 6% salt solution; III= 1% salt solution; IV= 10% salt solution; V= 5% salt solution. Which of the solutions will cause an increase in the osmotic pressure within the cell?
A
I
B
II
C
III
D
IV
E
V
Q46

Which of the following is the correct route for the movement of materials through the kidney?

A

glomerulous → bowman's capsule → loop of Henle → collecting tubule → pelvis

B

glomerulous → loop of Henle → collecting tubule → bowmans capsule → pelvis

C

pelvis → bowmans capsule → glomerulous → loop of Henle → collecting tubule

D

bowmans capsule → glomerulous → loop of Henle → collecting tubule → pelvis

E

bowman's cappsule → loop of Henle → glomerulous → collection tubule → pelvis

Q47
Blood in mammals transports oxygen because it contains the pigment called
A
haemoglobin
B
chlorocruorin
C
melanin
D
haemocyanin
E
haemoerythrin
Q48
In which of the following is cilia not associated with movement or transport of materials
A
fallopian tube funnel
B
ectoplasmic paramecium
C
lining of the mammalian trachea
D
mammalian alimentary canal
E
oral groove of paramecium
Q49

Which of the following is not an adaptation of the small intestine for absorption of digested food?

A

villi aare well supplied with blood and lymph vessels

B

villi are numerous and thin walled

C

small intestine has large surface area

D

small intestine is long and coiled

E

small intestine leads into the large intestine

Q50
The translocation of food materials in plants takes place in the
A
xylem
B
canbuim
C
phloem
D
parenchyma
E
sclerenchyma
Q51
The piliferous layer is labelled
A
I
B
II
C
III
D
IV
E
V
Q52
The xylem is labeled
A
II
B
IV
C
V
D
VI
E
VII
Q53

Maize is best stored against insect attack

A

on raised platforms

B

on fumigated silos

C

in a sunny area

D

while still in the cob

E

in humid metal tanks

Q54
Breathing roots are characteristic structures of plant growing in
A
mangrove swamp
B
desert
C
shrub biome
D
savannah
E
tropical rain foresst
Q55
Which of the following fixes atmospheric nitrogen?
A
Rhizobium
B
Nitrosomonas
C
Nitrobacter
D
Puterfying bacteria
E
Dentrifying bacteria
Q56
which of the following organelles are likely to be present in cells that activeli respiring and photosynthesizing?
A
Nucleoli and Centrioles
B
Lysosomers and ribisomes
C
Endoplasmic reticulum and Golgi bodies
D
Chloroplast and mitochondria
E
Food vacuoles and contractile vacoules
Q57
Deamination is the process during which
A
excess amino acid is broken down into ammonia and a keto-acid
B
fats and oils are converted a mulsion of absorption
C
excess glucose is converted and stored as glycogen in the liver
D
glycogen is reconverted into glucose through the action of glucagon
E
excess amino acids is converted into protein
Q58
Which of the following statements on urine is not correct?
A
Concentrated urine is produced under the control of anti diuretic hormone
B
The total volume of urine produced depends depends on the need for water excretion
C
If there is an excess intake of water, diluted urine is excreted
D
If there is shortage of water in the body, the volume of urine produced decreases
E
In the presence of anti-diuretic hormone diluted urine is produced
Q59
Auxins are produced in the
A
petiole of leaves
B
parenchyma of roots and shoots
C
epidermis of roots and shoots
D
epical regions of roots and shoots
E
sclerenchyma tissues of roots and shoots
Q60
Which of the following is not correct about a fruit? It
A
may contain seeds
B
is a mature ovary
C
is covered by the pericarp
D
may develop from the receptacle
E
possesses only one scar