Biology
(Objective Part)
2013
Allowed:- 20 minutues Maximum Marks-17 
NoteYou have four choices for each objective type question as A, B, C and D. The choice which you think is correct fill that circle in front of that question number. Use marker or pen to fill the circles, cutting or filling two or more circles will result in zero mark in that question. Attempt as many questions as given in objective type question papar and leave others blank. Use of ink remover or white correcting fluid is not Allowed

Question#1

Biology
(Subjective)
Part 1 2013
Time Allowed: 3:10
hours Maximum 
Marks:83
Section I

2. Answer briefly any Eight parts from the followings:- 8 x 2=16

3.Answer briefly any Eight parts from the followings:- 8 X 2=16

4. Answer briefly any Six parts from the followings:- 6 X 2 =12

Section II

Note: Attempt any three questions.
Question#5
(a) Write a note on cloning.
(b) Describe four economic gains due to fungi.

Question#6
(a) Draw and describe Calvin cycle in Photosynthesis.
(b) Discuss primary and secondary structure of proteins.

Question#7
(a) Differentiate between Prokaryotic end Eukaryotic cell.
(b) Give digestion in Cockroach,

Question#8
(a) Explain characteristics of Cyanobacteria.
(b) Define and explain alternation of generations in bryophytes with its significance.

Question#9
(a) Describe the life cycle of bacteria
(b) Write a note on cardiac cycle.

Section III

10. Note: Attempt any three Parts. (5 x 3 =15)
(A)(i)You are provided with egg albumin solution and Millon's Reagent. Write bio chemical test for possible substances present in the egg.
(ii) Name the food stuff which are rich sources of proteins.
(B)(I) Flower of solenum nigrum is provided to you. Describe in technical terms following parts of flower. (1) Calyx (ii) Corolla (iii) Androecium (
(ii) Differentiate between hypogynous and epigynous flower.
(C).Sketch and label the diagram of Respiratory system of Frog
(i) Describe the procedure to study the effects of various factors (removal of some leaves) on rate of transpiration using Potometer.
(ii) Name the two factors which decrease the rate of transpiration.
(D)Following specimen/slides were studied in laboratory, give one character of each to identify.
(i) Paramecium.
(ii) Ustilagotritici 
(iii) Funaria sporophyte 
(iv) T.S monocot root
(E) Pinus female cone