Biology Paper 21
Oct / Nov 2025·5090·8 questions
Mock exam: 75 min, official timing
Question paper
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Mark scheme
Question 1
1(a)[3]
1(b)[2]
1(c)(i)[1]
1(c)(ii)[2]
1(c)(iii)[3]
Question 2
2(a)(i)[2]
2(a)(ii)[2]
2(a)(iii)[3]
2(b)(i)[2]
2(b)(ii)[2]
Question 3
3(a)(i)[2]
3(a)(ii)[1]
3(a)(iii)[1]
3(b)(i)[2]
3(b)(ii)[3]
3(b)(iii)[2]
Question 4
4(a)[5]
4(b)[4]
Question 5
5(a)(i)[1]
5(a)(ii)[2]
5(a)(iii)[3]
5(b)[4]
Question 6
6(a)[2]
6(b)[2]
6(c)[4]
Question 7
7(a)(i)[2]
7(a)(ii)[3]
7(a)(iii)[2]
7(b)[3]
Question 8
8(a)[6]
8(b)[4]