Biology
Lahore Board 2016
Inter Part-I
Group-I
Time: 20 Min.
Objective Type
Marks = 17

Q.1

• The study of parasite is called
  
  (a) Paleontology
  (b) Histology
  (c) Microbiology
  (d) Parasitology
  
  
• In bacterial cells the water percentage is
  
  (a) 40%
  (b) 50%
  (c) 60% 
  (d) 70%
  
  
• The optimum temperature for enzyme to work at maximum rate in humanis
  
  (a) 35
  (b) 37
  (c) 40
  (d) 30
  
  
• Robert brown reported the presence of
  
  (a) Lysoscme
  (b) Ribosomes
  (c) Mitochondria
  (d) Nucleus
  
  
• The number of capsomers present in herps virus is called
  
  (a) 252 capsomers
  (b) 250 capsomers
  (c) 162 capsomers
  (d) 100 capsomers
  
  
• The bacteria with a tuft of flagella at one pole is called
  
  (a) Atricheus
  (b) Monotrichous
  (c) Amphirichous
  (d) Lophotrichous
  
  
• Apicomplexans move by
  
  (a) Tube feet
  (b) Cilia
  (c) Flexing
  (d) Pseudopodia
  
  
• In fungi spores are produced inside the reproductive structures called
  
  (a) Conidia
  (b) Sporangia
  (c) Basidia
  (d) Scocarps
  
  
• The bryophytes are non-vascular plants
  
  (a) Flowering plants
  (b) Flowerless plants
  (c) Gametophytic plants
  (d) Sporophytic plants
  
  
• Carbohydrate digesting enzymes are called
  
  (a) Ligase
  (b) Amylase
  (c) Protease
  (d) Lipase
  
  
• Respiratory activity which occurs in plants during day time is called
  
  (a) Respieration
  (b) Transpiration
  (c) Photorespiration
  (d) Cutinious respiration
  
  
• In birds the organ of voice is called
  
  (a) Larynx
  (b) Syrinx
  (c) Vocal cord
  (d) Voice box
  
  
• Which is the true sequence of bones in the mammalian ear
  
  (a) Malleus incus and stapes
  (b) Incus and stapes
  (c) Stapes and malleus
  (d) Malleus and stapes
  
  
• The electron transport chain system plays role in generatyion of ATP by
  
  (a) Photosynthesis
  (b) Chemiosmosis
  (c) Photosystem
  (d) Dark reaction
  
  
• The exchange of gases (CO₂sub>O₂sub>) between the organism and its envoirnment is called
  
  (a) Respiration
  (b) External respiration
  (c) Cellular respiration
  (d) Anaerobic respiration
  
  
• In the embryonic life the red blood cells are found in
  
  (a) Red bone marrow
  (b) Liver and sapleen
  (c) In bone marrow of sternum and ribs
  (d) Bone marrow of vertebrate
  
  
• The heart is enclosed in a double membranous sac called
  
  (a) Epicardium
  (b) Myocardium
  (c) Pericardium
  (d) Endocardium

Biology
Lahore Board 2016
Inter Part-I
Group-I
Time: 2:40 hrs
Essay Type
Marks = 68

SECTION – I

• Define parasitology.
• Differentiate between deductive and inductive reasoning. 
• What is glycosidic bond ?
• Define prosthetic group and give example.
• What is induce fit modal of an anzyme action?
• Define inhibitors and give an example.
• Name the body size and locomotary organs of zoolflagellates.
• What is sleeping sickness?
• What are actiponds ?
• What are kelps?
• Differentiate between on;igate and facultative parasites.
• Name the type of hypha and sexual spores in sec fungi

3. Write short notes on any EIGHT (8) questions: 16

• What is endocytosis ?
• Write the role of glyoxysomes ?
• Write basic characters of chordates, give an example.
• What are coral reefs ?
• What are regeneration, give an example.
• How sponges reproduce asexually ?
• What is glycolysis , where it takes place in the cell ?
• How action spectra can be obtained ?
• What is cellular respiration ?
• What is emphysema ?
• What is inspiration ?
• What is respiratory distress syndrome ?

4. Write shoat answers to any six (6) questions: 12

• What are pocks ?
• Write down misuses of antibiotics.
• Differentiate between microphylls and megaphylls.
• Define double fertilization.
• Name three pairs of salivary glands.
• What is detritus feeding? Give example.
• Write down symptoms in plants caused by deficiency of phosphorus and potassium.
• What are blue babies?
• Differentiate between apoplast and symplast pathway. ?

SECTION –II
 Note: Attempt any THREE questions.

Question#5
(a) What is cloning? Describe process of cloning in detail .
(b) Describe the adaptation of bryophytes to lant habitat.

Question#6
(a) Give the importance of proteins.
(b) Describe any two common diseases related nutrition.

Question#7
(a) Explain and functions of mitochondria.
(b) Discuss different method of asexual reproduction fungi.

Question#8
(a) Write a note on any two viral diseases .
(b) Prove that water is the source if oxygen during photosynthesis.

Question#9
(a) Write a note on nutrition of bacteria .
(b) What is  myocardial infarction? Explain

Biology
Lahore Board 2016
Inter Part-I
Group-II
Time: 20 Mins.
Objective  Type
Marks = 17

Q.1

• Lovastatin is used to control blood
  
  (a) Pressure
  (b) Cholesterol
  (c) Glucose
  (d) Uric acid
  
  
• Shrinkage of protoplast due to exosmosis of water is called
  
  (a) Plasmolysis
  (b) Guttation
  (c) Imbibition
  (d) Bleeding
  
  
• Iron containing is
  
  (a) Cytochrome
  (b) Ferredoxin
  (c) Plastoquinone
  (d) Plastocyanin
  
  
• Keratin is an example of fibrous protein present in
  
  (a) Nails
  (b) Blood
  (c) Muscles
  (d) Bones
  
  
• Mosquito injects plasmodium to human in the form of
  
  (a) Sporozoites
  (b) Merozoites
  (c) Gametophytes
  (d) Cysts
  
  
• Number of legs in arachnids are
  
  (a) 2
  (b) 4
  (c) 6
  (d) 8
  
  
• The optimum ph of pepsin enzyme is
  
  (a) 2.00
  (b) 4.5
  (c) 5.5
  (d) 6.8
  
  
• Casparian strips are present in the cells of root
  
  (a) Epidermis
  (b) Cortex
  (c) Endodermis
  (d) Pith
  
  
• Number of air sacs in birds is
  
  (a) 6
  (b) 7
  (c) 8
  (d) 9
  
  
• The plasma membrane and everything present in it is called
  
  (a) Chloroplast
  (b) Protoplast
  (c) Cytoplasm
  (d) Protoplasm
  
  
• Pepsin is secreted by
  
  (a) Mucus cell
  (b) Zymogen cell
  (c) Parietal cell
  (d) Oxyntic cell
  
  
• The number of capsomeres present in the capsid of herps virus are
  
  (a) 162
  (b) 252
  (c) 262
  (d) 152
  
  
• Common names of ancylostoma doudenate is
  
  (a) Ship-worm
  (b) Hook-worm
  (c) Pin-worm
  (d) Tapeworm
  
  
• A large regional community primarily determined by climate is
  
  (a) Population
  (b) Biosphere
  (c) Ecosystem
  (d) Biome
  
  
• Clitoria ternatia is used against
  
  (a) Cat bite
  (b) Dog bite
  (c) Snake bite
  (d) Scorpion bite
  
  
• The first step of krebs cycle is union of acetyl coA with oxaloacetate to form
  
  (a) Isocitrate
  (b) a-ketoglutarate
  (c) Citrate
  (d) Malate
  
  
• The bacteria without any flagella are called
  
  (a) Atrichous
  (b) Monotrichous
  (c) Lophotrichous
  (d) Peritrichous
  

Biology
Lahore Board 2016
Inter Part-I
Group-II
Time: 2:40 hrs
Essay Type
Marks = 68

SECTION – I

2.Write short   answer any Eight (8) questions: 16

• Write the names of four eras of geological time chart.
• What is phyletic lineage?
• What is heat capacity of water , give its importance.
• What is cofactor , give its type ?
• Differentiate between denatured apoenzyme and holohenzyme ?
• Why enzymes are denatured at high temperature ?
• What are protists, how they differ form plant and anima l?
• What are trichonymphas ?
• What are kelps ?
• What are nuclear mitiosis ?
• Why phytophthora infestan is infamous in human history?
• What are lichens , write ecological role they play?
  

3. Write short notes on any EIGHT (8) questions: 16

• Give name of Robert Hooke’s publications on cell discovery
• What is endocytosis? Differentiate between protostomes and deuterostomes.
• Give two differences between protostomes and deuterostomes.
• What is polymorphism?
• Name four harmful effects of insects.
• Give two basic characters of phylum chordate.
• What is pay off phase of glycolysis?
• How is carbon dioxide absorbed by the cell wall of the mesophyll cells?
• How in earthworm respiration takes place?
• What are alveoli? Give their functions.
• Give composition of breathed air in man.
• Give two properties of respiratory surfaces in animal.

 4. Write shoat answers to any six (6) questions:  12

• Write names of four common human viral diseases.
• What are pili , give their functions?
• Write two advance, characters of anthoceropsida sporophyte.
• What are gymnosperms, give an example ?
• Differentiate between obligate and facultative parasites.
• What is food poisoning, write its symptoms?
• Give the composition of saliva.
• Differentiate between plasmplysis and deplasmolysis.
• What is single circuit heart, give an example ?

SECTION –II
Note: Attempt any THREE questions.

Question#5
(a) Write a note on conservation and protection of environment. 4
(b) Describe the different adaptive characters for terrestrial environment in bryophyte.  4

Question#6
(a) Write note on polysaccharides  4
(b) Describes digesion in planaria .   4

Question#7
(a) Write down the structure and function of chloroplast. 4
(b) What do you know about mutualistic mode of nutrition in fungi? 4

Question#8
(a) Describe some viral diseases, which ar common in Pakistan. 4
(b) Give the outline of Kerb’s cycle (no need of description) 4

Question#9

(a) Differentiate between gram positive and gram negative bacteria.  4
(b) Describe the blood plasma in detail.