Hong Kong Examinations AuthorityAll Rights Reserved 1999

99-AL-BIO 1A − 1

( )

1. B1

B2

2. 40 60

3.

4 . AL (C)1

B1 B2

AL (C)1 B1 B2

5.

99-AL

99-AL-BIO 1A − 2 − 1 − All Rights Reserved 1999

AL(C)1

1. :

(a) 1

(b)

(3 )

99-AL-BIO 1A − 3 − 2 − All Rights Reserved 1999

2.

(a)(b)(c)(d)(e)(f)

(3 )

99-AL-BIO 1A − 4 − 3 − All Rights Reserved 1999

3. A B

A 400

B 400

99-AL-BIO 1A − 5 − 4 − All Rights Reserved 1999

(a) (1 )

(b) A B

(1½ )

(c)

(1 )

4. X

Y

X Y

(a) X Y (1 )

(b) (i) X Y

(

)

(2 )

( i i ) X Y

(3 )

X

Y

99-AL-BIO 1A − 6 − 5 − All Rights Reserved 1999

5.

(a)

(b)

(4 )

6. A B

A B

(a) A B

(4 )

(b)

(1 )

(c) A B

(1½ )

99-AL-BIO 1A − 7 − 6 − All Rights Reserved 1999

7.

(a) 1 2 (1 )

(b) 3

(4 )

(c) 4 (1 )

99-AL-BIO 1A − 8 − 7 − All Rights Reserved 1999

8.

(4 )

9. 1 2

(4 )

− −

B1 B2

All Rights Reserved 1999

2. (a) 7

(b) 1

(c) 3

(d) 8 ( 1 7)

(e) 10 ( 1 3 7)

(f) 2