CLASS: S.S.S.
I SUBJECT: BIOLOGY
1. Which of the following structures differentiates an animal cell from a plant cell? A. ribosomes
B. cell membrane C. chloroplast D. lysosome
2. All living organisms A. photosynthesize B. conjugate C. have plastids D. feed
3. In cellular respiration, energy is stored in the form of A. adenosine diphosphate B. adenosine
monophosphate C. adenosine triphosphate D. heat energy
4. Which of the following is an autotrophic mode of nutrition? A. chemosynthesis B.
saprophytism C. parasitism D. symbiosis
5. Which of these statements is correct about diffusion? A. it involves the movement of water
molecules only B. molecules move from a region of higher concentration to a region of lower
concentration C. differentially permeable membrane must be present D. it occurs when a solute
can no longer dissolve in a solvent
6. The process of anaerobic respiration of yeast in sugar solution is known as A. oxidation B.
fermentation C. tissue respiration D. alcohol production
7. Which of the following is not present in a nucleus of a cell? A. chromosomes B. nucleolus C.
mitochondrion D. genes
8. The network of double membrane that helps to convey materials through the cytoplasm is the
A. plasma membrane B. vacuolar membrane C. nuclear membrane D. endoplasmic reticulum
9. In aerobic respiration, oxidative phosphorylation takes place in A. cytoplasm B.
mitochondrion C. lysosome D. vacuoles
10. At which of the following stages of cell division can the cell be said to be resting? A.
anaphase B. telophase C. prophase D. interphase
11.Which of the following methods of reproduction is common to paramecium and amoeba? A.
conjugation B. sexual reproduction C. binary fision D. budding
12. At the end of mitosis, the number of cells produced from a parent cell is A. four B. six C. two
D. three
13. An association of between two living organisms in which one lives on and feeds at the
expense of the other organism is known as A. parasitism B. commensalism C. mutualism D.
symbiosis
14. An example of a trace element is A. potassium B. calcium C. magnesium D. copper
The depletion of the ozone layer will result in the earth surface receiving more A. gamma rays
B. infra red rays C. ultra violet rays D. X-rays
15. The organism with spiral chloroplasts and nucleus suspended by cytoplasmic strand is A.
volvox B. spirogyra C. paramecium D. euglena
16. The part of mammalian kidney that stores urine is the A. capsule B. medulla C. pelvis D.
bladder
radicles of seedlings are A. negatively phototropic B. positively phototropic C. negatively
geotropic D. negatively hydrotropic
Active transport can be defined as the movement of ………….. A. substance from a region of
high concentration to a region of low concentration B. substances from a region of low
concentration to a region of high concentration C. substances across a living cell membrane
using energy from the cell D. movement of molecules in a medium
Which of the following cell inclusions can destroy other cell organelles? A. centriole B.
ribosome C. nucleolus D. lysosome
The purpose of treating poor soil with lime is to increase the quantity of ………… A. nitrogen B.
phosphorus C. calcium D. sulphur
An example of a radially symmetrical organism is …………. A. amoeba B. hydra C. planaria D.
roundworm
Angiosperms belong to the class of ………… A. bryophyte B. pteridophyta C. schizophyta D.
spermatophyte
Which of the following groups of plants is the most advanced? A. bryophytes B. pteridophytes
C. schizophytes D. spermatophytes
Which of these statements is not true of a fish? A. lives in water B. respire with the aid of gills C.
skin covered with scales D. they are homoiothermic
The following are necessary for photosynthesis to take place except …………. A. chlorophyll B.
water C. carbon dioxide D. oxygen
In which of the following is a cellulose cell wall present? A. amoeba B. mammalian white blood
cell C. spirogyra D. paramecium
The epidermis of a leaf is considered an example of a tissue because the cells A. allow sunlight
to pass through B. are covered by a waxy cuticle C. all possess a similar structure and function
D. allow water to enter them by osmosis
The organism at the organ level of organization of life is A. euglena B. spirogyra C. ginger D.
tapeworm
The disadvantage of complexity of organisation in the higher organisms is that it leads to A. a
mutual interdependence between component cells B. internal structural specialization C.
increased adaptation to environment D. slower rate of diffusion
In which of the following multicellular organisms is interdependence of cells maintained? A.
spirogyra B. volvox C. eudorina D. pandorina
Which of the following processes occurs in the second phase of meiosis? A. homologous
chromosomes separate B. two daughter cells are formed C. fertilization occurs D. segregation of
genes occur
The muscle cell fluid of an athlete was tested immediately after a 100m race and was found to
contain a high concentration of lactic acid. Explain what could have caused this. The A. athlete
must have eaten food containing lactic acid just before the race B. athlete must have injected
lactic acid into his blood just before the race C. athlete’s muscle must have carried out anaerobic
respiration during the race D. athletes must have inhaled lactic acid from the environment during
the race
The pulmonary circulation involves movement of the blood to and from the A. brain B. kidneys
C. liver D. lungs
Which of the following is the medium of transportation of nutrients within unicellular organism?
A. blood B. serum C. protoplasm D. plasma
The mechanism of gaseous exchange in living organisms is essentially by A. osmosis B.
inhalation C. diffusion D. exhalation
Which of the following cell constituents is not common to both plants and animals? A.
mitochondrion B. chloroplast C. ribosomes D. golgi apparatus
The vacuole of plant cell is A. a large empty space B. smaller than that of an animal cell C. filled
with air D. surrounded by a membrane
Where is energy produced in a cell? A. nucleus B. nucleolus C. lysosome D. mitochondrion
In spirogyra, the pyrenoid A. excrete waste products B. is suspended by cytoplasmic strands C. is
mainly used for respiration D. usually contains starch
Spirogyra reproduces vegetatively A. spore production B. fragmentation C. multiple fission C.
budding
Which of the following characteristics is common to amoeba and paramecium? A. oral groove
B. trichocyst C. contractile vacuole D. cilia
In which of the following organisms does a single cell perform all the functions of active
movement, nutrition, growth, excretion and photosynthesis? A. paramecium B. euglena C.
amoeba D. spirogyra
Which of these is not an example of tactic movement? A. gravotaxis B. thermotaxis C.
phototaxis D. hydrotaxis
……… is the response of a whole organism to the stimulus of water or humidity. A. gravotaxis
B. thermotaxis C. phototaxis D. hydrotaxis
The movement in response to light stimulus is called …………gravotaxis B. thermotaxis C.
phototaxis D. hydrotaxis
The name given to touch stimulus is known as ……….. A. phototropism B.geotropism C.
hydrotropism D. thigmotropism
The organ of sight is ………… A. eyes B. nose C. skin D. ear
A fresh kolanut weigh 1g was put into salt solution. After 3 hours, the kolanut weigh 1.29g. This
simple experiment demonstrates that ……………. A. the kolanut lost some water molecules to
the salt solution B. the salt solution has the same concentration as the cell sap of the kolanut C.
the cell sap of the kolanut is more concentrated than the salt solution D. the salt solution is more
concentrated than the cell sap of the kolanut.
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 solution will cause an increase in the osmotic pressure within the cell? A. I
only B. II only C. III only D. IV only
PART B: THEORY
Instruction: Answer question 1 and any other two
1(a) Strictly with the aid of equation, explain photosynthesis in plants
5 marks
(b) Mention two functions each of the following macronutrients
(i) Nitrogen
(ii) Phosphorus
(iii) Potassium
(iv) Calcium
10 marks
(c) Mention five anabolic processes you know
5 marks
2(a) Strictly with the aid of equation, explain anaerobic respiration in plants and animals
5 marks
(b) Tabulate the five differences between aerobic and anaerobic respiration
5 marks
(c) Mention four similarities between aerobic and anaerobic respiration
4 marks
(d) Define fermentation
