Lahore board 2014-.
Biology Paper I
(Objective Type)
Time Allowed: 20 Minutes 
Max. Marks: 17
(Group-I)
Note: Four possible answers A, B, C and D to each question are given. The choice which you think is correct, fill that circle in front of that question with Marker or Pen ink. Cutting or filling two or more circles will result in zero mark in that question.

Question#1

• Use of living organisms, system or processes in Manufacturing and service industries- is studied by branch called:
  
  (a) Social biology
  (b) Human biology
  (c) Biotechnology
  (d) Marine biology
  
  
• The covalent bond between two monosaccharide is called :
  
  (a) Glycosidic bond
  (b) Peptide bond
  (c) Ester bond
  (d) Hydrogen bond
  
  
• The optimum pH of pepsin is :
  
  (a) 2.00
  (b) 4.00
  (c) 6.00
  (d) 8.00
  
  
• Cell theory was finally formulated by :
  
  (a) Watson and Crick
  (b) Schleiden and Schwann
  (c) Lorenz Oken
  (d) Louis Pasteur
  
  
• Orders include related :
  
  (a) Families
  (b) Genera
  (c) Species
  (d) Classes
  
  
• Bacteria increase in number by asexual mean of reproduction:
  
  (a) Binary fission
  (b) Budding
  (c) Regeneration
  (d) Multiple fission
  
  
• Entamoeba histolytica caused amoebic:
  
  (a) Cholera
  (b) Fever
  (c) Dysentery
  (d) Migrine
  
  
• Parasitic fungi directly absorb the nutrient from the living host cytoplasm by :
  
  (a) Haustoria
  (b) Roots
  (c) Rhizoids
  (d) Gametangia
  
  
• Microspore of seed plants that contain micro gametophyte included gametes is called:
  
  (a) Seed
  (b) Ovule
  (c) Pollen grain
  (d) Flower
  
  
• In molluscs a blue coloured respiratory pigment is 
  
  (a) Haemoglobin
  (b) Haemoerthyrin
  (c) Haemocyanin
  (d) Prothrombin
  
  
• Enterobius Vermicularis is commonly called :
  
  (a) Shipworms
  (b) Hookworms
  (c) Bookworms 
  (d) Pinworms
  
  
• The first step in Krebs Cycle is the union of acetyl CoA with oxaloagetate to form:
  
  (a) Isocitrate
  (b) a-ketoglutarate
  (c) Citrate
  (d) Malate
  
  
• The process by which pH gradient across membrane drives the formation of ATP is called :
  
  (a) Photosynthesis
  (b) Chemiosmosis
  (c) Photorespiration
  (d) Calvin cycleIf absorption of water and salt does not take place due to
  
  
• Infection cause a condition called :
  
  (a) Cholera
  (b) Constipation
  (c) Dyspepsia
  (d) Diarrhoea
  
  
• When oxygen tension is 115 mm of mercury then haemoglobin saturation is :
  
  (a) 100%
  (b) 98%
  (c) 78%
  (d) 68%
  
  
• The total transpiration takes place through cuticle is :
  
  (a) 5-7%
  (b) 1-7%
  (c) 5-8%
  (d) 2-5%
  
  
• The condition cause narrowing and hardening of arteries is called :
  
  (a) Atherosclerosis
  (b) Necrosis
  (c) Sclerosis
  (d) Apoptosis

Inter (Part-:I)
Lahore Board 2014.
Biology Paper I
(Essay Type)
Time Allowed: 3.10 hours
Max. Marks: 83
(Group-I)
(SECTION-I)

2. Write short answers to any EIGHT (8) questions : 16

• Differentiate between macromolecule and macromolecules.
• What is biome?
• Write the general formula of amino acid.
• Define active site of enzyme.
• What do you know about lock and key model?
• Differentiate between irreversible and reversible inhibitors,
• What are diploblastic animals?
• Define placenta. Write its functions,
• What are coral reefs?
• Define swim bladder and give its function,
• What are blue babies?
• Differentiate between active and passive immunity.

3. Write short answers to any EIGHT (8) questions : 16

• Differentiate between streptococcus and staphylococcusbacteria.
• Write down functions of micronuclei and macronucleifound in ciliates.
• Write down four characters of green algae similar to those of plants,
• Write down two differences between fungi and oomycotes.
• What are choanoflagellates?
• Define double fertilization.
• Write down two steps involved in the evolution of seed,
• Define photosynthesis.
• What do you mean by action spectra?
• What are two functions of secretin?
• . Define fluid feeders.
• Write down deficiency symptoms of potassium and magnesium in plants.

3. Write short answers to any SIX (6) questions : 12

• What is diving reflex? Describe.
• Discuss emphysema.
• What is cancer or carcinoma?
• Why oxygen can be obtained more easily from air than water?
• What is histoplasmolysis?
• Why rusts and smuts are called so?
• What are symptoms of small-pox?
• What is glycogenosis type-II disease?
• Define differentially permeable membrane.

(SECTION-II)

Note: Attempt any THREE questions.
Question#5
(a) Describe land adaptation of fungi. 4
(b) Describe the biological organization at organelles and cell level. 4

Question#6
(a) Write a note on polysaccharides. 4
(b) Give economic importance of Family Poaceae. 4

Question#7
(a) Describe structure and function of chloroplast. 4
(b) Sketch metabolic pathway of glycolysis. (Description not required ) 4

Question#8
(a) Write a detailed note an hepatitis. 4
(b) Compare parasitic and symbiotic nutrition in plants. 4

Question#9
(a) Explain transpiration as a necessary evil. 4
(b) Classify the bacteria with reference to presence of flagella. 4

(SECTION-III)
(Practical Part)

Note: Attempt any THREE questions.
(A)(i) You are provided with egg albumen and Millon's reagent. Write bio-chemical test for the substance which egg contains. 3
(ii) Write two functions of proteins. 2
(B)(i) You are provided with flower of Lathyrus odoratus. Describe in technical terms : 3
(a) Calyx.
(b) Corolla.
(c) Androecium
(ii) Define placentation, name its types. ,
(C) Sketch and label the diagram of digestive system of cockroach. 5
(i) Write down the procedure to perform an experiment to measure factors affecting the rate of transpiration. 3
(ii) Define transpiration
(C) You are provided following specimen. Give one character for each to identify : 5
(i)  Amoeba. 
(ii) Yeast. 
(iii) T.S of Monocot Stem
(iv) Ulothrix
(v)  Paramecium

Inter Part-I
Lahore Board 2014
Biology
Paper I
(Objective Type)
Time Allowed: 20 Minutes
Max. Marks: 17
(Group-II)
Note: Four possible answers A, B, C and D to each question are Given. The choice which you think is correct, fill that circle in front of that question with Marker or Pen ink. Cutting or filling two or more circles will result in zero mark in that

Question#1

• The study of tissues is called :
  
  (a) Anatomy
  (b) Histology
  (c) Palaeontology
  (d) Physiology
  
  
• Starches with iodine give color:
  
  (a) Blue
  (b) Red
  (c) Green
  (d) Yellow
  
  
• The optimum pH for enzyme anginas is :
  
  (a) 2.00
  (b) 9.50
  (c) 7.60
  (d) 9.70
  
  
• Duve discovered the cell organelle :
  
  (a) Mitochondria
  (b) LysoSomes
  (c) Ribosomes
  (d) Chloroplast
  
  
• Temperate phage may exist as :
  
  (a) Prophage
  (b) Capsid
  (c) Virioid
  (d) Retrovirus
  
  
• Mesosomes are internal extensions of the :
  
  (a) Cell wall
  (b) Cell membrane
  (c) Chromatin body
  (d) Capsule
  
  
• Algae in which body is differentiated into blades, stripes and bold fast belong to :
  
  (a) Golden algae
  (b) Diatoms
  (c) Brown algae
  (d) Green algae
  
  
• Which of the following structures are associated with asexual reproduction in fungi :
  
  (a) Ascospores
  (b) Conidia
  (c) Zygospores
  (d) Basidiospores
  
  
• The double fertilization is thecharacteristic feature of :
  
  (a) Gymnosperms
  (b) Angiosperms
  (c) Bryophytes
  (d) Pteridophytes
  
  
• The asexual reproduction in sponges is :
  
  (a) Fragmentation
  (b) Multiple fission
  (c) Binary fission
  (d) Budding
  
  
• The cartilaginous fishes contain scales :
  
  (a) Placoid –
  (b) Cycloid
  (c) Ganoid
  (d) Ctenoid
  
  
• Synthesis of ATP in the presence of oxygen is called :
  
  (a) Oxidative phosphorylation
  (b) Photophosphorylation
  (c) Chem iosmosis
  (d) Fermentation
  
  
• The first action spectrum was obtained by German Biologist T.W. Engelmann in :
  
  (a) 1883
  (b) 1938
  (c) 1898
  (d) 1876
  
  
• An organism that lives upon or within another organism is called :
  
  (a) Predator
  (b) Pest
  (c) Parasite
  (d) Host
  
  
• Haemoglobin in man increases the oxygen carrying capacity of the blood to about :
  
  (a) 75 times
  (b) 50 times
  (c) 60 times
  (d) 100 times
  
  
• Hydathodes are associated with :
  
  (a) Transpiration
  (b) Conduction
  (c) Translocation
  (d) Guttation
  
  
• Attraction between water-water molecules in xylem tissues is called :
  
  (a) Tension
  (b) Adhesion
  (c) Cohesion
  (d) Imbibition

Inter (Part-I)
Lahore 2014
Biology Paper I
(Essay Type)
Time Allowed: 3.10 hours
Max. Marks: 83
(Group=II)
(SECTION-I)

2. Write short answers to any EIGHT (8) questions : 16

• Define biome.
• What is hydroponic culture technique?
• Define peptide bond.
• Differentiate between apoenzyme and holoenzyme.
• What is cofactor?
• What is irreversible inhibitor?
• What is metamorphosis?
• Write two adaptation in organism that live in aquatic environment. -
• What are hermaphrodite Organisms?
• What is polymorphism?
• Define immunity.
• What is Guttation?

3. Write short answers to any EIGHT (8) questions : 16

• Differentiate between gram positive and gram negative bacteria.
• Give two examples of chlorophyta.
• What is carnivorous fungus? Give example.
• Write four importance of algae.
• Give two differences between fungus like protista and fungi.
• Differentiate between ovule and seed.
• Why bryophytes called amphibious plants?
• Give the importance of ATP.
• Define the term bioenerietics.
• Give two main functions Of human liver.
• What are fluid feeders? -
• Differentiate between diarrhea and constipation.

4. Write short answers to any SIX (6) questions : 12

• What are cisternae?
• Write down salient features of cell theory.
• Write down four characteristics of viruses.
• Enlist four plant diseases caused by fungi.
• Write down two similarities between fungi and plants.
• What is emphysema?
• Write two properties of a respiratory surface.
• Write down first two steps of photorespiration.
• How pH and temperature effect the capacity of haemoglobin to combine with oxygen?

(SECTION-II)

Note: Attempt any THREE questions.
Question#5
(a) What is cloning? Describe the process. 4
(b) Describe land adaptations of fungi. 4

Question#6
(a) Write a note on Acylglycerols. 4
(b) Describe the process of evolution of megaphylls leaf . 4

Question#7
(a) Discuss the structure and functions of endoplasmic reticulum. 4
(b) Give in detail the phases of Calvin cycle. 4

Question#8
(a) Define binomial nomenclature. Give its rules. 4
(b) Describe digestion of food in stomach of man. 4

Question#9
(a) What are lymph nodes? Give their functions. 4
(b) Write down the characteristics of cyanObacteria. 4

(SECTION-III)
(Practical Part)

10. Attempt any THREE questions.
(A)(i) You are provided with egg albumen and Millon's reagent. Write bio-chemical test for the substance which egg contains. 3
(ii) Write two examples of reducing sugar. 2
(B)(i) You are provided the flower Rosa Indica Describe intechnical terms its parts: 3
(a) Corolla.
(b) Androecium.
(c) Gynaecium.
(ii) Differentiate between complete and incomplete flowers.2
(C) Sketch and label the diagram of respiratory system of frog. 5
(D)(i) Write down the procedure for the investigation of effect of temperature on the activity of enzyme (pepsin). 3
(ii) What is optimum temperature for enzyme activity? 2
(C) You have observed following specimens in the laboratory.
(D) Write down one reason of identification for each of following : 5
(i) T.S. of monocot root
(ii) Penicillium
(iii) Paramecium.
(iv) Funaria
(v) Volvox