Biology F5 Paper 1

Biology F5 Paper 1

SET 1

Multiple Choice

Diagram shows an animal cell. Which organelle A, B, C or D synthesis lipids?

• A

• B

• C

• D

Multiple Choice

Diagram below show three types of cells. To which systems do the cells shown above belong?

Multiple Choice

Diagram below shows the movement of molecules K across phospholipid bilayer. Name the molecule K.

• Glucose

• Amino acid

• Fatty acids

• Glycoprotein

Multiple Choice

Diagram shows a unicellular organism. What is the function of P?

• Movement

• Respiration

• Osmoregulation

• Growth

Multiple Choice

In an experiment, several pieces of potato were placed in sucrose solution of different concentrations. The mass changed were then plotted onto graphs. Which graph shows the mass changes correctly?

Multiple Choice

Diagram below shows the effects of pH on the rate if reaction of enzyme Y in human alimentary canal.

• Pepsin

• Trypsin

• Amylase

• Lipase

Multiple Choice

Enzymes are added to biological washing powders to remove stains. Which would be the most effective enzymes in removing chocolate milk?

• Amylase and maltase

• Amylase and catalase

• Protease and lipase

• Protease and catalase

Multiple Choice

The plotted graph shows the hydrolysis of starch by amylase in different temperature. Which of the following curve is the optimum temperature?

• A

• B

• C

• D

Multiple Choice

Diagram below shows the ‘lock and key hypothesis’ of enzyme reaction. What is represented by P, Q and R?

Multiple Choice

Diagram below shows a cell cycle of an organism. Which of the following is the correct sequence of process X?

• Telophase → Anaphase → Metaphase → Prophase

• Anaphase → Metaphase → Prophase → Telophase

• Prophase → Metaphase → Anaphase → Telophase

• Prophase → Anaphase → Metaphase → Telophase

Multiple Choice

The diploid chromosomal number of a cow is 60. If one of the homologous chromosome pairs does not separate during meiosis I, how many chromosomes can be found in the gametes?

• 29

• 30

• 58

• 60

Multiple Choice

Diagram below shows a cell which experiences mitosis once. How many new cells are produced after the cell experiences mitosis four times?

• 4

• 6

• 8

• 16

Multiple Choice

Which of the following is found in an ovum?

• 23 autosomes only

• 22 autosomes and 1 X chromosomes

• 23 autosomes and 1 Y chromosomes

• 22 autosomes and XY chromosomes

Multiple Choice

Diagram below shows a child suffering from a nutrient deficiency disease. Which food A, B, C or D should be taken often by the child to recover?

• Fruits

• Sweets

• Butter

• Meat

Multiple Choice

Diagram below shows the structure of a villus in the ileum. Which of the following carry large amounts of glucose and fat-soluble vitamins?

Multiple Choice

Diagram shows two animals. What is the similarity of both digestive systems?

• Have same number of stomach chambers

• Have the same length of caecum

• Able to produce cellulose enzyme

• Contains cellulose-digesting bacteria

Multiple Choice

An experiment is carried out to determine the concentration of vitamin C in a fruit juice. 1 cm3 of DCPIP solution was used. What is the concentration of vitamin C in the fruit juice?

• 0.83 mg cm-3

• 1.10 mg cm-3

• 1.20 mg cm-3

• 8.30 mg cm-3

Multiple Choice

Which of the following are the products of aerobic and anaerobic respiration in muscles?

Multiple Choice

The following statement is related to the breathing mechanism in a fish. Which statement is true?

• The pressure in its buccal cavity decreases.

• The pressure in its buccal cavity increases.

• There is no change in pressure in its buccal cavity.

• The operculum closes due to the pressure in the buccal cavity.

Multiple Choice

Diagram below represents the exchange of gases in the human circulatory system. Which of the following correctly describes the diagram?

• R is a blood capillary and blood flows from P to Q.

• R is a blood capillary and blood flows from Q to P.

• R is an alveolus and blood flows from P to Q.

• R is an alveolus and blood flows from Q to P.

Multiple Choice

Which of the following adaptations is meant to increase the efficiency of gaseous exchange in plants?

• Dropping the old leaves.

• Having a large number of leaves.

• More stomata in the upper epidermis.

• Having the intercellular spaces filled with fluid.

Multiple Choice

Why is the fungi described as a saprophyte?

• It lives on the root of tree.

• It produces rapidly.

• It makes its own food.

• It obtains food from decayed organic matter.

Multiple Choice

Which of the following is at the first trophic level in the pyramid number?

• Grasshopper

• Eagle

• Grass

• Snake

Multiple Choice

Diagram below shows a profile of a mangrove swamp. What are the dominant species found in each zone?

Multiple Choice

Diagram shows four organisms belonging to different kingdoms. Which of the following is a correct match?

Multiple Choice

The following information is about eutrophication. Which of the following sequences is correct about the eutrophication process?

• S, P, Q, R

• P, S, R, Q

• S, Q, R, P

• Q, S, P, R

Multiple Choice

P, Q, R and S are some common characteristics of leucocytes. Which are the characteristics of granulocytes?

• Q and S

• P and R

• R and Q

• R and S

Multiple Choice

Diagram below shows capillaries, tissues and vessel X. What is the fluid that flows into X?

• Blood

• Plasma

• Lymph

• Interstitial fluid

Multiple Choice

Graph below shows the level of immunity in a person after two injections. Which type of immunity is shown by the graph?

• Natural active immunity

• Natural passive immunity

• Artificial active immunity

• Artificial passive immunity

Multiple Choice

Diagram below shows a human vertebra. What is the function of Y?

• Give support

• To protect the spinal cord

• To form joint with the ribs

• For muscle attachment

Multiple Choice

A boy is bitten by a snake. What type of immunity should be given to the boy?

• Artificial active immunity.

• Artificial passive immunity.

• Natural active immunity.

• Natural passive immunity.

Multiple Choice

Diagram shows the growth curve of an organism. Which of the following organisms has a growth curve as shown in diagram?

• Frog

• Earthworm

• Cockroach

• Butterfly

Multiple Choice

Diagram below shows some human bones. Which bones are parts of the axial skeleton?

• P and Q

• Q and R

• P, Q and S

• P, Q, R and S

Multiple Choice

Diagram below shows a type of plant tissue. Which plant consists of the most of this tissue?

• Banana tree

• Hydrilla sp.

• Cucumber plant

• Mango tree

Multiple Choice

Urea is produced in the…

• blood

• intestine

• liver

• kidney

Multiple Choice

Diagram below shows the knee jerk test on a student. Which diagram shows the student reflex arc?

Multiple Choice

Which of the following hormones stimulates the ovulation?

• Oestrogen

• Progesterone

• Luteinising hormone

• Follicle-stimulating hormone

Multiple Choice

Which of the following cannot be inherited?

• Colour blindness

• Blood group

• Birth mark

• Height.

Multiple Choice

Melisa who is carrier for colour blindness married to Aron with a normal colour vision. What is the probability that their son is colour blind?

• 0 %

• 25 %

• 50 %

• 100 %

Multiple Choice

The genotype of a pea plant is RRYy.

Which of the following is the possible gamete produced by this pea plant?

• rY

• Yy

• RY

• RR