SARGODHA BOARD 2016
PAPER BIOLOGY PART-I
Time: 20 Mine
(Objective Part)
Marks: 17
Note: You have four choice 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.

Question#1

• A large regional community primarily determined by climate is:
  
  (a) Biomass
  (b) Biosphere
  (c) Biome
  (d) Population

• Most of cellular secretions are in nature:
  
  (a) Proteins
  (b) Lipids
  (c) Carbohydrate
  (d) Glycoproteins

• Induce fit model was proposed by:
  
  (a) Emil Fischer
  (b) Koshland
  (c) Jenner
  (d) Pasteur

• Erythrocytes have Pores Par Nucleus:
  
  (a) 3000
  (b) 30000
  (c) 6 or 8
  (d) 3 or 4

• Hepatitis "B" is also called:
  
  (a) Delta hepatitis
  (b) Infectious hepatitis
  (c) Infusion hepatitis
  (d) Serum hepatitis

• Bacteria without any flagella are called:
  
  (a) Flagellate
  (b) Atrichous
  (c) Monotrichous
  (d) Amphitrichous

• Tests of foraminifera are made up of:
  
  (a) Calcium
  (b) Silica
  (c) Sulphur
  (d) Magnesium
  
  
• Poisonous mushrooms are called:
  
  (a) Toadstools
  (b) Trufles
  (c) Morels
  (d) Agaricus
  
  
• Pulse producing plants are belonging to the family:
  (a) Rosaceae
  (b) Solanaceae
  (c) Fabaceae
  (d) Poaceae
  
  
• Metamerically segmented animals are belonging to the:
  
  (a) Annelids
  (b) Canidarains
  (c) Molluscs
  (d) Echinoderms
  
  
• Sepia belongs to:
  
  (a)Cephalopoda
  (b)Gastropoda
  (c) Myriapoda
  (d)Annelida
  
  
• The number of chloroplast in each mesophyll cell is about:
  
  (a) 10 - 100
  (b) 10 - 200
  (c) 20 - 100
  (d) 20 - 200
  
  
• The dark reactions in photosynthesis occurs in:
  
  (a) Cytoplasm
  (b) Chloroplast
  (c) Stroma
  (d) Grana
  
  
• In Cockroach the partly digested food is stored in:
  
  (a) Rectum
  (b) Gizzard
  (c) Crop
  (d) Colon
  
  
• How much air in lungs hold when they are fully inflated:
  
  (a) 5 Litres
  (b) 4 Litres
  (c) 4.5Litres
  (d) 3.5 Litres
  
  
• Guttation occurs in plants through.
  
  (a) Cuticle
  (b) Hydathod
  (c) Lenticels
  (d) Stomata
  
  
• The pressure flow theory was first proposed in 1930 by:
  
  (a) Ernst Haeckel
  (b) Ernst Munch
  (c) Flemming
  (d) Dixon

Tine: 2:40 hours
(Subjective Part)
Marks: 68
Section I

2. Attempt any EIGHT short questions. (8 x 2 = 16)

• What is pasteurization? Give its significance.
• How population differ from Community?
• What are lipid? Write its one importance.
• Differentiate between Co-factor and Prosthetic group.
• Define Lock and Key model, who proposed it.
• Define Active Site of Enzyme and write only names of its two sites.
• Write down two characters of Dinoflagellates.
• Give two characters of green Algae similar to green plants.
• Name the two examples and two characters of Zooflagellates.
• Write two reasons for creating seperate Kingdom Protista.
• What are carnivorous Fungi? Give one example.
• Compare Ascocarp with Basidiocarp.

3. Attempt any EIGHT short questions. (8 x 2 = 16)

• Differentiate between Peroxisome and glyoxisome.
• Define plastids. Give their types.
• Differentiate between Prototheria and metatheria.
• Give economic importance of sharks.
• What is syrinx?
• What are hermaphrodites? Give example.
• Define bio energetics.
• What do you know about action spectrum?
• Give two properties of Respiratory surface in animals.
• What are alveoli? Give their Function.
• What are the causes of asthma?
• Give % age of CO₂ in venous and in arterial Blood.

4. Attempt any SIX short questions. (6 x 2 = 12)

• How virion differ from Prion?
• What are Mesosome and its Function?
• Define ovule and seed.
• Why Bryophytes are called Amphibious plants?
• Differentiate between Peristalsis and Antiperistalsis.
• Write the name of Gastric glands and their Secretions.
• What are macrophagus feeder? Give one example.
• Differentiate between water potential and solute potential.
• How Systolic Pressure differ from Diastolic Pressure?

SECTION-I I

Attempt any THREE questions. (8 x 3=24)
Question#5
(a) What preventive measures should be observed to avoid diseases.
(b) Write a note on evolution of leaf

Question#6
(a) Justify that water is medium of life. (importance of water)
(b) Describe the role of Pancrease and Liver in Food Digestion in Human.

Question#7
(a) Write a note on Endoplasmic Reticulum.
(b) Enlist Four Economic gains due to Fungi.

Question#8
(a) Give the biological classification of Corn.
(b) What is Respiration? Give detail on Anaerobic Respiration.

Question#9
(a) Compare Gram positive and Gram negative bacteria on the basis of cell wall.
(b) Describe the factors which affect on the rate of Transpiration.