Revision c1-c9 Biology Form 4 KSSM

Revision c1-c9 Biology Form 4 KSSM

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Fill in the Blanks

Multiple Choice

Why is yeast used to bake bread? 

• The waste gas, CO_2, makes bread rise
• The alcohol produced makes bread dangerous
• The yeast consumes O₂, causing bread to rise

Multiple Choice

When animals exercise with a lack of oxygen their muscles can form

• lactic acid

• alcohol

• minions

• oxygen

Multiple Choice

Which type of respiration is most efficient?

• Aerobic

• Lactic acid fermentation

• Alcohol fermentation

Multiple Choice

What are the products of aerobic respiration?

• Glucose and oxygen

• Carbon dioxide and water

• Lactic acid

• Carbon monoxide

Multiple Choice

Glycolysis converts

• glucose into ATP

• glucose into pyruvate

• glucose into oxygen

• glucose into ADP

Fill in the Blanks

Multiple Select

ATP is

• Adenosine Diphosphate

• Adenosine Triphosphate

Multiple Choice

Fermentation is the incomplete breakdown of

• glucose

• starch

• protein

• lipid

Multiple Choice

The amount of energy released during alcohol fermentation is ____

• 2898 kJ

• 210 kJ

• 150 kJ

Multiple Choice

If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?

• 20

• 10

• 40

• 200

Multiple Choice

What phase of Meiosis is this?

• Telophase I

• Anaphase I

• Anaphase II

• Telophase II

Multiple Choice

What stage of mitosis is depicted here

• Prophase

• Metaphase

• Anaphase

• Telophase

Multiple Select

Which of the following is somatic cell?

• skin cell

• liver cell

• sperm cell

• ovum

Multiple Choice

Diagram 2 shows the optimum pH for the reaction of an enzyme P. What is enzyme P?

• Erepsin

• Rennin

• Pepsin

• Trypsin

Multiple Choice

Diagram 1 shows a mechanism of enzyme reaction. Which of the following statement can be deduced based on Diagram 1?

• The enzyme is denatured at 60°C

• The enzyme reaction is specific

• The enzyme is destroyed at the end of the reaction

• The enzyme reaction can be inhibited by heavy metals

Multiple Choice

Which of the following substance are needed to help some enzymes function properly?

• Substrate

• Inhibitor

• Cofactor

• Active site

Multiple Choice

Diagram 1 shows the structure of a nucleotide. What is X and Y?

• X: Pentose sugar Y: Nitrogenous base

• X: Phosphate group Y: Nitrogenous base

• X: Nitrogenous base Y: Pentose sugar

• X: Phosphate group Y: Ribose

Multiple Choice

Sex hormones such as testosterone are built from lipids. What types of lipids do this sex hormones contain?

• Wax

• Steroids

• Phospholipid

• Fat and oil

Multiple Choice

Food sample Z was tested with Benedict's solution. The result of the test show the formation of brick red precipitate. What is Z?

• Starch

• Glucose

• Sucrose

• Cellulose

Multiple Choice

The equation below shows the process of condensation to form disaccharides. What are P and Q?

• P: Glucose Q: Galactose

• P: Glucose Q: Sucrose

• P: Glucose Q: Maltose

• P: Glucose Q: Lactose

Multiple Choice

Water molecules are polar molecules. What is meant by polar molecules?

• Each molecule has the same charged ends.

• Molecules that have an uneven charge distribution.

• Molecules cannot dissolve many ionic compounds such as mineral salts.

• The molecules are responsible for maintaining the balance of osmosis.

Multiple Choice

Fang Yin has planted a Hibiscus tree in her yard. She put too much fertiliser and caused the tree to wilt. What should be done to prevent the plant from wilting further?

• Change the fertilizer

• Water the plant

• Add salt to the soil

• Add more fertiliser to the soil

Multiple Choice

Diagram 2 shows some animal and plant cells. Which cells were placed in the hypertonic solution?

• R and Q

• T and S

• Q and S

• R and T

Multiple Choice

Diagram 1 shows part of the cell membrane. Which of the following components help to maintain the fluidity of the membrane?

• P and Q

• S and T

• Q and R

• R and T

Multiple Choice

Diagram 6 shows the cell organisation in a multicellular

organism. Which of the following part of the plant can be

represented by X?

• Phloem

• Xylem

• Fruit

• Parenchyma

Multiple Choice

Which of the following is involved in body temperature

control?

I Nervous system.

II Blood circulatory system

III Respiratory system

IV Integumentary system

• I and II

• I and III

• II and IV

• III and IV

Multiple Choice

Diagram 5 shows an organelle. What is the effect on cells if this organelle fails to function?

• Energy cannot be generated.

• Proteins cannot be synthesised.

• Proteins produced cannot be transported.

• Proteins cannot be modified and packed to hormones and enzymes.

Multiple Choice

Which of the following tissue has the highest density

of chloroplast?

Multiple Choice

Diagram 3 shows a Paramecium sp. What is the process involving the exchange of gas of this organism?

• Osmosis

• Simple diffusion

• Facilitated diffusion

• Active transport

Multiple Choice

Diagram 2 shows the mesophyll cell of a leaf. Which structure P, Q, R and S traps light energy for photosynthesis?

• P

• Q

• R

• S

Multiple Choice

The statements below show the characteristics of organelle P:

"• The ribosomes are attached to the surface.

• Transport proteins synthesised by ribosomes."

Which of the following is organelle P?

• Cell wall

• Golgi apparatus

• Rough endoplasmic reticulum

• Smooth endoplasmic reticulum

Multiple Choice

Diagram 1 shows an animal cell. Which of the A, B, C and D is the nucleus?

• A

• B

• C

• D

Multiple Choice

Diagram 1 shows a graph which is drawn after an

experiment has been carried out. What is the type of graph shown in Diagram 1?

• Pie chart

• Pictogram

• Line graph

• Bar chart

Multiple Choice

Which of the following branch of biology deals with the

use of data, techniques of engineering and technology

concerning living organisms?

• Genetics

• Astronomy

• Biotechnology

• Molecular biology

Multiple Choice

Which of the following COPD causes inflammation of the bronchiole and excess mucous secretion?

• Asthma

• Chronic bronchitis

• Emphysema

• Tuberculosis

Multiple Choice

What is the immediate effect on the respiratory surface of a person who smokes?

• Alveoli become black

• Lining of alveoli become dry

• Epithelial cells of alveoli are damaged

• Cancer cells are formed

Multiple Choice

The formation and dissociation of oxyhaemoglobin is summarized in the diagram. Where do process X and process Y take place in the human body?

• X: Blood capillaries in the lungs

  Y: Body tissues

• X: Body tissues

  Y: Blood capillaries in the lungs

• X: Heart

  Y: Body tissues

• X: Body tissues

  Y: Heart

Multiple Choice

Diagram 5 shows an alveolus and a blood capillary. What are the partial pressure of carbon dioxide at X, Y and Z?

• X: High

  Y: High

  Z: Low

• X: Low

  Y: High

  Z: High

• X: Low

  Y: Low

  Z: High

• X: High

  Y: Low

  Z: Low

Multiple Choice

Diagram 4 shows the structure of an insect respiratory system. What occurs at J during the gas exchange in the insect?

• Gases diffuse across tracheole into the muscles

• Gases diffuse in the fluid at the tip of tracheole

• Gases dissolve into the fluid and diffuse across the tracheole

• Gases diffuse across the tracheole through active transport

Multiple Choice

Diagram 2 shows part of the human respiratory organ. Which characteristic of the respiratory surface is shown in the diagram?

• Permeable to oxygen

• Moist surface

• Thin surface lining

• Large surface area

Multiple Choice

Diagram 1 shows gills of a fish. Which part A, B, C or D is the site where the rate of exchange of respiratory gases is the highest?

• A

• B

• C

• D

Multiple Choice

What are the respiratory structures of human and insects?

• Respiratory structure of human: Lungs

  Respiratory structure of insects: Tracheoles

• Respiratory structure of human: Lungs

  Respiratory structure of insects: Trachea

• Respiratory structure of human: Alveolus

  Respiratory structure of insects: Tracheoles

• Respiratory structure of human: Alveolus

  Respiratory structure of insects: Trachea

Multiple Choice

What will happen to the product of deamination process?

• Stored in cells

• Excreted out by kidney

• Return back to small intestine

• Act as main component of enzyme

Multiple Choice

Which of the following blood vessels involved in transporting lipid from the small intestine to the heart?

• Aorta

• Hepatic portal vein

• Pulmonary vein

• Subclavian vein

Multiple Choice

Which of the following is the function of assimilated glucose in cell?

• Production of enzyme

• Production of energy

• Repairing damage tissue

• Formation of plasma membrane

Multiple Choice

Diagram 3 shows the structure of a liver.

Which of the following processes occurs in a liver?

• Absorption

• Defaecation

• Digestion

• Detoxification

Multiple Choice

Which of the following vitamins are not found in lacteal?

• Vitamin A

• Vitamin B

• Vitamin D

• Vitamin K

Multiple Choice

Which of the following enzyme is synthesised in pancrease?

• Sucrase

• Pepsin

• Amylase

• Maltase

Multiple Choice

Diagram 2 shows a part of the human alimentary canal.

Which of the following structure involved in the digestion of food at the duodenum?

• R and S

• Q, R and S

• P, S and R

• P,R and Q

Multiple Choice

Diagram 1 shows a part of the alimentary canal in human.

Which of the following parts produces bile?

• P

• Q

• R

• S