class 12 biology question

1:10:15

2:08:36

12:18

5:33

27:51

4:31

16:42

22:45

1:01:25

12:24

38:43

21:19

45:45

2:51:11

3:05:18

48:43

21:52

49:43

27:19

33:34

39:51

1:08:46

25:56

5:15

6:51:26

46:34

5:56:07

58:31

21:33

41:33

26:29

25:04

4:40:05

36:05

4:25:16

10:23

1:12:16

1:00:45

16:43

16:12

52:48

11:56

58:04

4:29:43

23:36

17:23

19:45

4:57:17

20:08

14:27

4:45:24

46:31

2:40:01

48:45

59:15

1:00:36

1:06:46

34:20

18:19

4:58:44