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1 The invention of this apparatus results in the most significant development in Biology.

The apparatus is a

A Boling tubeB Microscope

C StethoscopeD Burette

2 Of the cells below, which does not have a nucleus?

3

FIGURE 1: ANIMAL CELL STRUCTURE

Match the following structure correctly.

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4 Table 1 shows the function of certain organelles in a cell.

TABLE 1

5 Figure 4 (a) and 4 (b) below show the structures of cells of two different organisms.

FIGURE 4 (a) FIGURE 4 (b)

Which of the structures on Figure 4 (a) and Figure 4 (b) have the same function?

A K and PB L and QC M and RD N and S

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6 The diagram show a unicellular organismParamecium.

The structureXis involved in which of the following processes?

A Nutrition and locomotion

B Nutrition and excretionC Locomotion and respirationD Locomotion and excretion

7

FIGURE 5: GASEOUS EXCHANGE INAMOEBA

The process that occurs for both gases is:

A Osmosis

B Simple diffusionC Aided diffusionD Active transport

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8 Figure 6 shows a model of the plasma membrane.

FIGURE 6What is X?

A LipidB PhospholipidC Channel protein

D Carrier protein

9 The figure shows the change in an erythrocyte when placed in a certain solution for 10

minutes.

At the end of the experiment, the cell was

A plasmolysedB crenatedC deplasmolysed

D hemolysed

10 Figure 7 shows an onion cell before and after it is placed in solution M.

FIGURE 7

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Refers to the Figure 7, what is the characteristic of solution M which has caused the

change in the cell?

A Isotonic solution

B Hypertonic solution

C Hypotonic solutionD Hydroponic solution

11 Figure 13 shows a typical animal cell

FIGURE 13

Which of the following is true about the functions of organelles X and Y?

Function of organelle X Function of organelle YA Site of lipid synthesis Site of protein modification

B Site of protein modification Site of protein synthesisC Site of protein synthesis Site of lipid synthesisD Site of glycoprotein synthesis Site of protein synthesis

12 Figure 14 shows a typical plant cell

FIGURE 14

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State the functions for the parts labeled Pand Q.

P QA Protein synthesis Perform photosynthesisB Controlled cell activity Perform photosynthesisC Perform photosynthesis Protein synthesisD Control substances that Provide support

pass through it

13 The diagram below shows the structure of a cell organelle.

Which of the following is the function of the organelle?

A As a control centre of the cell activitiesB To absorb energy from sunlightC To store starch

D To generate energy

14

FIGURE 16: RESULT OF THE EXPERIMENT

What is the inference for the above experiment?

A No water molecules moving in and outB More water molecules moving in than moving out

C More water molecules moving out than moving inD Water molecules moving in and out at the same rate

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15 Which cell has the most mitochondria?

I.Sperm cellII. Muscle cellIII. Palisade mesophyll cell

IV. Meristem cell

A I and II onlyB II and III onlyC III and IV onlyD I, II and IV only

16 Which of the following food preservation methods does not involve diffusion and

osmosis?

A Dehydration of meat by addition of sodium chlorideB Drying the fish under the SunC Addition of sugar to make pineapple jamD Sterilisation of cow milk at 120C for 30 seconds.

17

FIGURE 23

Figure 23 shows the condition of 4 plant cells that have been immersed in solutions P, Q,

R and Sthat have different concentrations for 30 minutes. Among the arrangements (from

left to right in the answers below, which one shows an increase in solution concentration

compared to cell cap?

A P, R, S, QB S, R, P, QC Q, P, R, S

D R, S, P, Q

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18 Figure 1 shows a process carried out by anAmoeba sp.

Name the process.

A binary fission

B phagocytosis

C diffusion

D osmoregulation

19 Figure 2 shows a process occurred inParamecium sp.

PseudopodiumFood particles

Figure 1

FIGURE 2

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Name the process

A Binary fission

B Budding

C Regeneration

D Conjugation

20

The sequence above represents_________

A Cell specialization

B Cell organisation

C Cell differentiation

21 Which of the following structure can only be found in a plant cell ?

A Nucleus

B Cytoplasm

C Lysosome

D Chloroplast

22 Which of the following shows unicellular organism

I.

II.

III.

Cells Tissues Organs System Multicellular Organism

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25 Which of the following are the chemical factors of the internal environment in thehuman body?

I pH

II Temperature

III Concentration of blood glucose

IV Concentration of sodium ions

A l and ll

B lll and lV

C l, lll and lV

D l, ll, lll and lV

26 Chlorophyll traps sunlight during photosynthesis to convert

A light energy into chemical energy

B heat energy into chemical energy

C light energy into heat energy

D light energy and heat energy into chemical energy

27 A meristem cell undergone differentiation and formed a xylem cell. Which of theorganelles below are not found in the matured xylem cell

I chloroplast

II nucleus

III mitochondrion

A l and lll

B l and lll

C ll and lll

D l, ll and lll

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28 Figure 3 shows a sperm cell that contains abundance of P.

What is the function of P ?

A Carry genetic information

B Generate energy in the form of ATP

C Synthesis and transport proteinsD Store water, mineral salts and waste substances

29 Figure 4 shows the structure of a cell.

What is the function of organelle X?

A Produce ATP

B Produce ribosomes

C Site of protein synthesis

D Site of photosynthesis

P

FIGURE 3

X

Figure 4

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30 Figure 5 shows a cross section of a leaf. A type of organelle is found abundantly in layerX.

What is the characteristic of the organelle?

A Lens-shaped,contain green pigment

B A fluid-filled sac contain cell sap

C A large ,dense spherical organelle contain chromatin

D Membrane bound sacs contain hydrolic enzymes

31 Figure 6 shows an organelle in cell.

FIGURE 5

}X

FIGURE 6

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The absence of the organelle will cause a cell unable to

A carry out cell division

B generate energy

C carry out photosynthesis

D synthesis protein

32 Osmosis is the diffusion of water molecules from a region of

A higher water concentration through a semi permeable membrane.

B lower water concentration through a semi permeable membrane.

C higher water concentration through a non permeable membrane.

D lower water concentration through a non permeable membrane.

33 The figure shows a movement of ions across the plasma membrane. Name the process

A flaccid

B crenation

C active transport

D passive transport

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C

D

A

B

34 A red blood cell in hypotonic solution will burst. This phenomena is known as

A crenation

B flaccid

C haemolysisD plasmolysis

35 Plasmolysis refers to

A movement of water out of cell

B movement of water into cell

C movement of oxygen out of cell

D movement of oxygen into cell`

36 Hypertonic solution is

A a solution without solutes

B a solution in which has the same ions of solute as another solution.

C a solution in which less ions of solutes is less than another solution.

D a solution in which the ions of solute is higher than another solution.

37 Figure shows a part of a plasma membrane. Which component is the hydrophilic head ofphospholipids ?

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38 A solution has higher concentration compare to the cell sap. This solution is

A hypotonic

B hypertonic

C IsotonicD turgid

39 Which of the following is not a component of cell membranes?

A Protein

B Lipid

C Nucleic acid

D Carbohydrate

40 Cell membrane consists mainly of

A carbohydrate bilayer and protein

B protein bilayer and phospholipids

C lipid bilayer and proteins

D protein bilayer and carbohydrate

41 The phospholipid molecule of the plasma membrane has

A a hydrophilic head and two hydrophobic tails

B a hydrophobic head and two hydrophilic tails

C a hydrophilic head and a hydrophobic tails

D a hydrophobic head and a hydrophilic tails

42 Which of the following components can move across plasma membrane by simplediffusion?

A ions

B Glucose

C Lipid soluble molecules

D Water soluble molecules

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43 Figure shows a red blood cell after has been immerse in a hypertonic solution.

Which of the statement explain the phenomena?

A water molecules move out from the red blood cell

B water molecule move into the red blood cell

C glucose molecule move out from the red blood cell

D glucose molecule move into the red blood cell

44 Which of the following statement is true about plasma membrane?

A Selectively permeable.

B Lipid bilayer and protein molecules are static.

C Allows only water and glucose molecules to pass through.

D The fluid mosaic model is made up a bilayer with amino acids scattered in it.

45 Which of the following processes involves active transport?

A Absorption a solution in which has the same ions of solute as another solution ofions by root hair cells of a plant.

B Absorption of digested food in the villus.

C Absorption of water by root hair cells of a plant.

D Gas exchange between the alveoli and blood capillaries.

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Epidermis

46 Figure shows a strip of a mustard green after it has been immersed in solution Z.

Which of the following is solution Z?

A 0.1% salt solution

B Distilled water

C 1.5% sucrose solution

D 30% sucrose solution

47 Figure shows the visking tube which filled with distilled water and soaked into saltsolution.

What is the observation after 20 minutes?

A Visking tube will swell.

B No change occurred.

C Visking tube will shrunk.

D Visking tube will burst

Beaker

Salt Solution

Distilled waterVisking tube

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length of the strips

1

2

3

Time

48 The figure shows three 60 mm strips of potato were immersed into three different typesof solution.

After one hour the length of the strips is recorded and the graph is plotted as below.

Which of the following shows the correct result?

Distilled water 5% sucrose solution 20% sucrose solution

A 1 2 3

B 3 1 2

C 2 1 3

Beaker 1 Beaker 2 Beaker 3

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49 Human red blood cell is placed in 5% sodium chloride solution. In which direction doeswater move and what is the effect on the red blood cell?

Movement of water molecules Effect on red blood cell

A Out of the cell No change in size or shape

B Out of the cellThe cell shrinks leading to crinkling of

cell membrane

C Into the cell Cell expands and bursts

D Into the cellSlight increase in volume but does notburst

50 Figure shows the structure of a plant cell before and after it has been immersed insolution P.

What is solution P and the process that takes place in the plant cell?

Solution P Process

A Distilled water Plasmolysis

B Distilled water Deplasmolysis

C 10% sucrose solution Plasmolysis

D 15% sucrose solution Haemolysis

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