SMJK Chung Ling Pulau Pinang

Test 2/ 2015

Biology

Form 4

Instruction: Answer all questions below in the spaces provided.

Total Marks: 50 marks

1 Table 1, shows the daily nutrient requirements according to an individual.(10 marks)

Individual Mass of body/kg

Energy needed from carbohydrate/

Protein/g Vitamin D/µg Iron/mg

Children (1 year old) 7.3 3 200 20 10 6

Female (18 years old) 56.0 9 200 58 2.5 12

Male (18 years old) 60.0 12 000 80 2.5 10

Table 1(a) Based on Table 1, why do teenage boys require

(i) only one fourth of the vitamin D requirements compared with the vitamin D requirements of children? (2 marks)

___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________

(ii) Almost two times the iron requirements compared with the iron requirements of children? (2

marks)___________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________

(iii) less iron compared with teenage girls? (2 marks)___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________

(b) Calculate the amount of protein required per kg of body mass for (2 marks)

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(i)Children (ii) teenage boys

(c) State two food classes that is required for a balanced diet other than that found in Table 1. (2

marks)________________________________________________________________________________________________________________________________________________________

2. The diagram 1, below shows the human digestive system.(9 marks)

Diagram 1

(a) Choose the letter that labels the part where each of the hydrolysis reaction takes place.

(i) Starch to maltose:_________ (ii) Protein to polypeptide :____________

(2 marks)

(b) Name two processes that occur in T. For each process, explain how structure T is adapted to carry out its function. (3 marks)

_____________________________________________________________________________________________________________________________________________________________________________________________________________________

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(c) (i) Structure T has numerous projections. Draw and label a longitudinal section of one of these projections. (2 marks)

(d) State the function of the circulatory system and lymphatic system in this structure

(2marks)

______________________________________________________________________________________________________________________________________________________________________________________________________

3. The figure 2, below shows the stomach of a man and a cow.(9 marks)

Diagram 2

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(a) Give two characteristics to differentiate the stomach of the man from the cow.(2 marks)

____________________________________________________________________________________________________________________________________

(c) What happens in the largest compartment of the cow's stomach?

_____________________________________________________________________________________________________________________________________________________________________________________________

(3 marks)

.4. The figure 3, shows two cells taken from different parts of the flowering plant.(9 marks)

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(b) (i) Name the compartments of the cow's stomach in sequence starting from the esophagus.(2 marks)

(ii) What is the ruminant's true stomach? Give a reason you’re your answer.(2marks)

______________________________________________________________________________________________________________________

Figure 3Cell A is taken from the anther while cell B is taken from the root tip.

(a) Name the process that occurs in

(i) cell A. (1mark)

(ii) State two significant of Cell division which take place in cell A. (2 marks)______________________________________________________________________

______________________________________________________________________

z

(b) Name another part of the plant that has cells that are undergoing the same process as

(i) cell A (1mark)

(ii) Describe the behaviour of structure K in cell A and B, during those stages as shown in the figure 3? [3 marks]

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

(d) What is the final product of the process named in (a) for

(i) cell A?(1 mark)

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(ii) cell B?(1 mark)

Prepared By:Banu Priya a/p Chinivasan

Checked By:Faizul

Verified by :Lim Boon Chye

Approved by : Khor Chin Soon

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. e.) A failure of spindle fibre formation is due to some harmful carcinogen (i)Name a chemical carcinogen which can cause situation in (e)_______________________________________________________________________

(i) Name a syndrome which can result among children if the spindle fiber fail to Form?

_______________________________________________________________________ (1 mark)

5. Diagram 3.1 and Diagram 3.2 show the phases of cell division in cell P

and Cell Q.

a) State the phase of division of cell P1 and Q2. (2 marks)

Phase P1:_________________________________________________________ Phase Q2:_________________________________________________________

b) Division of cell Q brings about variation in organism. Explain your answer.

(2 marks)

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

(c) Cell P and cell Q undergo nuclear division completely to produce daughter

Cells respectively, Draw the diagram to show the number of chromosomes at the

end of process cell P and cell Q

Cell P Cell Q

P1

P2

Q1

Q2

Diagram 3.1 Diagram 3.2

Cell P Cell Q