Bio Module

Only available on StudyMode
  • Topic: Pea, Circulatory System, Genetics
  • Pages : 16 (1950 words )
  • Download(s) : 593
  • Published : March 2, 2011
Open Document
Text Preview
        Perfect score SBP Biology    2009 

BAHAGIAN SEKOLAH BERASRAMA PENUH DAN SEKOLAH KLUSTER KEMENTERIAN PELAJARAN MALAYSIA

PERFECT  SCORE  BIOLOGY 

 

2009
STRUCTURAL  QUESTIONS 

MODUL I
Student’s Copy
DISEDIAKAN OLEH: 1. 2. 3. 4. 5. 6. 7.

Puan Hasimah binti Azit – Sekolah Seri Puteri, Cyberjaya Puan Natrah binti Mohamad – SMA Persekutuan Kajang Puan Mardiana binti Yusof – SMS Hulu Selangor Puan Sarah Safarina binti Sabri- Kolej Islam Sultan Alam Shah Puan Kamariah binti Zailan – SMA Persekutuan Labu Puan Siti Asma binti Razali - Kolej Islam Sultan Alam Shah Puan Noorsyamsinar binti Kasim – SMS Selangor

        Perfect score SBP Biology    2009 
Question 1:

Diagram 1

1. (a) Explain the feeding mechanism in Amoeba sp.

[4 marks]

………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………

(b) Explain the role of contractile vacuole in osmoregulation.

[2 marks]

………………………………………………………………………………………………….………..

……………………………………………………………………………………………..…………….

        Perfect score SBP Biology    2009 
Question 2: The Diagram 1 shows an experiment set-up to investigate the effect of pH on enzyme activity. Enzyme Q is found inside the mammalian digestive system.

Diagram 1 After 24 hours, the following results were obtained: pH 1 2 3 4 5 6 Reduction in length of egg white strip (mm) 7 9 6 3 1 0

(a) Using the results in the table, plot a graph on the next page to show the reduction in length of the egg white strip against pH of the medium. [3 marks] (b) Explain the observed reduction in the length of the egg white strip. [3 marks]

………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. ………………………………………………………………………………………………….………..

(c)

A type of herbicide was sprayed on the weed plants to control their population. The herbicide causes the proteins and ATPase enzyme in the cell to denature. Explain the effect of this herbicide in transportation of potassium ions in the weed plants. [3 marks] ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. ………………………………………………………………………………………………….………..

        Perfect score SBP Biology    2009 

        Perfect score SBP Biology    2009 
Question 3: Mitosis and meiosis are a phenomenon in the cell cycle which happens gradually and continuously. The figure shows two cells taken from different parts of the flowering plant

Cell A is taken from the anther while cell B is taken from the root tip. (a) What are the differences between the importance of cell division in Cell A and Cell B ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. [3 marks] (b) Suggest a technique that can produce plants with the same good characteristics in a short period of time. Briefly explain the technique which you have mentioned [4 marks] ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..…………….

        Perfect score SBP Biology    2009 
Question 4: The figure below shows the process which occurs in structure P.

(a) Name process K. Explain the part played by sunlight in process K. [3 marks]

………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..…………….

(b) Explain how process L can produce the substance Z. ………………………………………………………………………………………………….……….. ……………………………………………………………………………………………..……………. [2 marks]

        Perfect score SBP Biology    2009 
(c) Diagram below shows type of stomach.

(i) What is the ruminant's true stomach?...
tracking img