Biology(New Scheme) Gujranwala Board 2013 Inter Part I Group I
Time: 20 Minute Paper Objective Type Max. Marks:17
Note: You 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 circle. 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 paper and leave others blank.

• Open blood circulatory system is not found in:
  
  (a) Tunicates
  (b) Mollusca
  (c) Arthropods
  (d) Annelids
  
  
• which is microaerophillic bacterium?
  
  (a) Pseudomonas
  (b) Spirochete
  (c) Campylobacter
  (d) E.Coli
  
  
• Which wavelength of light is least absorbed by chlorophylls?
  
  (a) Yellow
  (b) Violet
  (c) Blue
  (d) Orange
  
  
• Which is not included in agranulocytes?
  
  (a) basophils
  (b) eosinophils
  (c) Lymphocytes
  (d) neutrophils
  
  
• Which is used to inhabit fungal growth?
  
  (a) Lovastatin
  (b) Cyclosporin
  (c) griseofulvin
  (d) Ergotin
  
  
• Which is not found in secondary wall?
  
  (a) Lignin
  (b) Cutin
  (c ) Pectin
  (d) Silica
  
  
• Amount of solar energy required to synthesize 10 grams of glucose is:
  
  (a) 617.6 Kcal
  (b) 717.6 Kcal
  (c ) 817.6 Kcal
  (d) 917.6Kcal
  
  
• it is universally accepted by biologists that mammals have envolved from reptilian ancestors called:
  
  (a) Dinosaurs
  (b) cotylosaurs
  (c ) Ucochordata
  (d) Heminhordate
  
  
• Enzyme which convert single standard RNA genome into double standard viral DNA is called:
  
  (a) Reserve transpriptase
  (b) Lysozyme
  (c ) Lipase
  (d) Amylase
  
  
• Percentage of hydrogen in human body is:
  
  (a) 5%
  (b) 10%
  (c ) 15%
  (d) 20%
  
  
• Which is not included in chlorophyta?
  
  (a) Chlorella
  (b) Pinnularia
  (c ) Spirogyra
  (d) Acetabularia
  
  
• If non-protein part is covalently bonded to the enzyme it is called:
  
  (a) Coenzyme
  (b) Apoenzyme
  (c ) Activator
  (d) Prosthetic group
  
  
• All of the following contain cartilage except:
  
  (a) Larynx
  (b) Trachea
  (c ) Bronchioles
  (d) Bronchi
  
  
• First step in Krebs cycle in the union of acetyl CoA with oxaloacetate to form :
  
  (a) Succinate
  (b) Malate
  (c ) Pyruvate
  (d) Citrate
  
  
• In plants stunted growth of roots is due to the deficiency of:
  
  (a) Potassium
  (b) Phosphorus
  (c )Magnesium
  (d) Nitrogen
  
  
• Common name for enterbius vermicularis is:
  
  (a) hook worm
  (b) earth worm
  (c ) pin worm
  (d) tape worm
  
  
• Living genus of psilopsida is
  
  (a) cooksonia
  (b) Psilophyton
  (c ) horneophyton
  (d) psilotum

Biology(New Scheme) Gujranwala  Board 2013 Inter Part I Group I
Time: 3:10 Hours Paper Subjective Type Max. Marks:83
Note: Section I is compulsory. Attempt ant three (3) questions from Section II and any three (3) parts Section-I from Section III
Q2. Write short answers to any EIGHT questions: (2x8=16)

• What do you know about bioremediation?
• Differentiate between inductive and deductive reasoning.
• Differentiate between nucleoside and nucleotide.
• What is meant by co-factor?
• Differentiate between apoenzyme and holoenzyme.
• Differentiate between competitive and non-competitive inhibitors.
• What is gemmules?
• Differentiate between diploblastic and triploblastic animals.
• What do you know about nematocysts.
• What is coelom?
• What is plasmodesmata?
• What is the function of pacemaker?

Q3: Write short answers to any EIGHT (8) questions: (2x8=16)

• What is nucleoid?
• What is meant by polyphyletic group of organisum?
• What is thallus?
• What are choanpflagellates?
• What is function of pellicle in ciliates?
• Name the classes of division bryophyte.
• What is annulus and stomium?
• What is anteena comlex?
• Define photolysis of water.
• What are hungry contractions?
• What is adipose tissue? What are its functions?
• What are nematocysts? What is their role in ingestion of prey?

Q4: Write short answers to any SIX questions: (2x6=12)

• What is chemical composition of plasma membrane?
• How magnification power of a compound microscope is determined?
• What is prophage?
• How sexual reproduction occurs in zygomycota?
• Give ecological importance of fungi. (2 points only)
• What is pulmonary tuberculosis?
• What are the roles of nasal cavity in man?
• Define photorespiration.
• What are perabronchi?

(SECTION-II)
Q10: Give answer of any THREE questions.
Question#5
(a) Define immunity. Describe various types of immunity. 4
(b) Write a note on cloning. 4

Question#6
(a) What are polysaccharides? Describe any three of them? 4
(b) Describe different types of plastids. 4

Question#7
(a) Classify the bacteria with reference to presence of flagella. 4
(b) Give the list of various steps involved in the evolution of seed habit.Discuss any two. 4

Question#8
(a) Draw infection cycle of HIV. 4
(b) Elaborate the non-cyclic phosphorylation with the help of diagram. 4

Question#9
(a) Describe any four methods of animal nutrition. 4
(b) Write any four economic gains due to fungi.

(SECTION-III Practical)
(A) (a): You are providing with egg albumin and Milon’s reagent. Write biochemical test for the substance which egg contains. 3
(b): Define proteins. 2
(B)(a): You are providing with flowers ofrosa indica. Describe in technical terms its parts
(i) Corolla (ii) Androecium. (iii) gynaeceum 3
(b): Differentiate between actinomorphic and zygomopric flowers. 2
(C) Sketch and label the diagram of digestive system of frog . 5
(D) (a): Write down the procedure for measuring blood pressure during rest and after exercise with B.P apparatus. 3
(b): Differtiate between systolic and diastolic blood pressure. 2
(E) Give one character for the identification of the following labortory specimen:
(i) Penicillium (ii) Gametophyte of adiantum (iii) Female cone of pinus (vi) T.S of monocot stem.