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NAMA: _________________________ TINGKATAN: L6S( ) MARKAH
:________%
PENILAIAN I 2012
TINGKATAN ENAM BAWAH
BULAN JULAI
B I O L O G Y2 H O U R S
1. Follow all the instructions below.2. This question paper
consists of 6 questions. Section A , 2
structures and section B, 4 essays questions.3. Answer all the
questions given.4. Scientific calculator is allowed to be used.
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SECTION A
[20 marks ]
Answer all questions.
1. The diagram above shows structure P, Q, R, S and T.
P Q R S T
a. What are P, Q, R, S and T. [1]
b. Name P, Q, R, S and T. [5]
Note: Using alphabet P, Q, R, S and T to answer the questions
below.
c. Classify P, Q, R, S and T into the table below. [3]Purines
Pyrimidines
d. Which structure cannot be found in RNA? [1]
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2. The diagram above shows structure Y, a chemical compound.
P Q
Structure Y
a. Identify Y. [1]
b. Describe the properties of structure Y. [2]
c. Name P and Q. [2]
d. A boy was bitten by Justins rattlesn ake. H is skins tissues
were extensivelydestructed within 36 hours. Explain how could this
happen? [3]
e. What should you do if you were bitten by a poisonous snake?
Explain. [2]
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SECTION B
[60 marks ]
Answer all questions.
3. (a) Describe the functions for water-soluble vitamins.
[8]
(b) Describe the importance of calcium and phosphorous in the
human body. [7]
4. With the aids of labeled diagrams, describe the structure of
the following plant tissues.
(a) Parenchyma [5]
(b) Sclerenchyma [5](c) Collenchyma [5]
5. With the aids of labeled diagrams, describe the structure
with related to its functionsof the following organelles.
(a) Ribosome [4]
(b) Golgi apparatus [5]
c) Endoplasmic reticulum [6]
6. Describe the functions of protein to living organisms.
[15]
END OF QUESTION PAPER
Prepared By: Mr. Tan Wai Shan
