Rawalpindi Board 2017
Biology  Part – I
Time: 20 Minutes  Marks: 17
GROUP 1

Note: Write answers to the questions on the objective answer sheet provided. Four possible answers A, B, C and D to each question are given. Which answer you consider correct, fill the corresponding circle  A, B, C and D given in front of each question with Marker or pen ink on the answer sheet provided.

• One Cardiac cycle is completed in                                                                                                                                         
     
  (A) 0—3 Second                     
  (B) 0—4 Second                       
  (C) 0—8 Second       
  (D) 0—5 Second
   

• Guttation occur in plants:                      
                                                                                                                      
  (A) Caticle              
  (B) Hydathodes                       
  (C) Lenticle                 
  (D) Stoamata


• Which one of the following is not viral disease?         
                                                                                                                          
  (A) Cow Pox                              
  (B) Mumps                
  (C) Tetanus                
  (D) Small Pox


• Animal obtain carbohydrate mainly from:                           
                                                                                           
  (A) Glycogen                             
  (B) Glucose                
  (C) Starch                    
  (D) Sucrose


• If non-protein part is loosely attached to protein part, it is known as:                                                                     
            
  (A) Co-factor                             
  (B) Co-enzyme                         
  (C) Holo-enzyme     
  (D) Prosthetic group


• The number of chromosomes in fruity fly Drosophila                                
                                                                                         
  (A) 16                                           
  (B) 26                                           
  (C) 8                                              
  (D) 48


• The Smallest known viruses are:                                                         
                                                
  (A) Bacteriophage                   
  (B) Small pox virus  
  (C) Polio                      
  (D) E-Coli


• These are smallest and without cell wall:                                                    
                                                    
  (A) Mycoplasma                      
  (B) Pseudomonas   
  (C) Spirochete                          
  (D) E-Coli


• Algae which have shell composed of two halves that fit together like petridish are:                                                   
         
  (A) Brown Algae                      
  (B) Diatom                 
  (C) Green Algae                       
  (D) Red Algae


• Histoplasmosis is:                     
                                                 
  (A) Heart Disease                    
  (B) Kidney disease  
  (C) Lung disease      
  (D) Skin disease


• Which of following is not extinct member?                
                                                    
  (A) Horneophyton                  
  (B) Psilotum                              
  (C) Psilophyton                        
  (D) Cooksonia


• The pouched mammals are:                            
                                     
  (A) Prototheria                         
  (B) Metatheria                         
  (C) Eutheria                
  (D) Egg lying mammals


• Pseudocoelom is characteristics feature of:                   
                                                
  (A) Aschelminths(Nematoda)            
  (B) Annelida              
  (C) Mollusca                              
  (D) Porifera


• The Dark Reaction occurs in:            
                                                                     
  (A) Cytoplasm                           
  (B) Ribosome                            
  (C) Stroma                  
  (D) Granum


• The Chemical links between catabolism and Anabolism is:                                                                                                     
  (A) DNA                                       
  (B) NAD                                       
  (C) ATP                                        
  (D) RNA
• The animal having only intra-cellular digestion is:                                                                      
  (A) Frog                       
  (B) Planaria                
  (C) Amoeba                
  (D) Hydra


• Respiratory system is most efficient in:           
                                                                 
  (A) Man                                       
  (B) Bird                        
  (C) Fish                                        
  (D) Frog

• What is Hydroponic culture techniques?
• What does biodiversity mean?
• Differentiate the nucleosides and Nucleotides.
• Define prosthetic group and Holo-enzyme.
• Give four characteristics of enzyme.
• What is Lock and Key model?
• How is chalk formed?
• What is the evolutionary significance of Euglenoids?
• What are Redtides?
• Define a thallus?
• Name some Edible Fungi.
• What are Aflatoxins?

3- Write short answers of any eight parts from the following.                                                                                                                   

• What are intermediate filaments?
• Give two differences between Prokaryotes and Eukaryotes.
• Give economic importance of Shark. (two points)
• What is Marsupium?
• What is Pseudocoelom?
• Give two characteristics of class Amphiba.
• Give two symptoms of emphysema.
• What is pulmonary respiration and cutaneous respiration?
• Define Photorespiration.
• What are Alveoli?
• What is Rubisco?
• What is Action spectrum?

4- Write short answers of any six parts from the following.                                                                                                                        

• What are prions?
• What are mesosomes? Write its one function:
• What is overtopping?
• Define double fertilization.
• Define digestion
• What is heart burn?
• How pepsinogen is activated?
• What are blue babies?
• Define stroke and its effects.

Section –C

Note: Answer any three questions from the following.   

                                                                                                                                              
5.(a) Write a note on Biological method.                  
(b) Write the economic importance of family poaceae 

                                   
6. (a) Discuss the importance of water in life.           
(b) Describe nutrition in insectivorous plants

                                      
7.(a) Differentiate between prokaryotic and eukaryotic cell.                                                                                                                            
(b) Describe the process of A-sexual reproduction in fungi.        

                                                                                                   
8.  (a) Give an account of AIDS.                                       
(b) Describe respiratory chain    

                                                                
9.  (a) Write a comprehensive note on nutrition  in bacteria.                                                                                                              
(b) Give an account of composition of blood plasma.       

Rawalpindi Board 2017
Biology  Part – I
Time: 20 MinutesMarks: 17
GROUP 2

Note: Write answers to the questions on the objective answer sheet provided. Four possible answers A, B, C and D to each question are given. Which answer you consider correct, fill the corresponding circle  A, B, C and D given in front of each question with Marker or pen ink on the answer sheet provided.

• Haeme portion of Hemoglobin contains an atom of:
  
  (A) Magnesium
  (B) Iron
  (C) Phosphorus
  (D) Copper


• A common mussel has two large gills covered with:
  
  (A) Shell
  (B) Pseudopodia
  (C) Flagella
  (D) Cilia


• In the citric acid cycle acetyl-CoA reacts with oxaloacetate to form:
  
  (A) Pyruvate
  (B) Citrate
  (C) NADH
  (D) ATP


• A litre of H2O contains ml of oxygen:
  
  (A) 10
  (B) 20
  (C) 30
  (D) 40


• Transpiration taking place through cuticle is about:
  
  (A) 5-7%
  (B) 1-7%
  (C) 5-6%
  ( D) 2-5%


• 6. Casparian strips are present in cells of root:
  
  (A) Cortex
  (B) Epidermis
  (C) Endodermis
  (D) Phloem
• 7. The percentage of Hydrogen present in human body is:
  (A) 20
  (B) 15
  (C) 10
  (D) 5


• 8. In the a-helix protein structure, each turn of the helix has amino acids.
  
  (A) 0 3.6
  (B) 4.6
  (C) 5.6
  (D) 6.6


• 9. The optimum pH. of catalase is:
  
  (A) 6.60
  (B) 7.60
  (C) 8.60
  (D) 9.60


• 10. Chitin is found in cell wall of:
  
  (A) Algae
  (B) Bacteria
  (C) Fungi
  (D) Plants


• 11. The number of capsomeres in capsid of adenovirus are:
  
  (A) 152
  (B) 252
  (C) 352
  (D) 452


• 12. Reserve food material in cyano bacteria is in the form of:
  
  (A) Sucrose
  (B) Starch
  (C) Glycogen
  (D) Proteins


• 13. Amoebic dysentery in human castled by:
  
  (A) Amoeba
  (B) Entamoeba histolytica
  (C) Trypanosoma
  (D) Plasmodium


• 14. The number of edible mushroom species are about:
  
  (A) 100
  (B) 200
  (C) 300
  (D) 400


• 15. After fertilization is changed into a seed:
  
  (A) Fruit
  (B) Flower
  (C) Ovule
  (D) Overy


• 16. Pseudocoelom is present in:
  
  (A) Cnidaria
  (B) Flateworms
  (C) Round worms
  (D) Segmented Worms


• 17. Voice producing organ in birds is:
  
  (A) Syrinx
  (B) Larynx
  (C) Tongue
  (D) Pharynx

SUBJECTIVE PART
SECTION B

     2- Write short answers of any eight parts from the following.     

• Define Biosphere.
  
• Define macromolecules with examples.
  
• What are oligosaccharides?
  
• Write down any four characteristics of enzymes.
  
• How enzyme concentration affect rate of enzyme action?
  
• What are non-competitive inhibitors?
  
• What is zeoflagellate?
  
• What are foraminiferans?
  
• What is the importance of Chlorella?
  
• Give importance of algae.
  
• What is the function of constricting ring?
  
• What is the economic importance of fungi?

3- Write short answers of any eight parts from the following.                                                                                                                   

• Differentiate between chromoplast and leucoplast.
  
• Name two beneficial insects.
  
• What is placenta?
  
• Give three basic characters of chordates.
  
• Why amphibians were not successful on land?
  
• What is "Z" scheme? Why is it called so?
  
• What is stroma? Give its function. Differentiate between bronchi and bronchioles.
  
• What is asthma?
  
• Name different parts of air passage way of man.
  
• What are two subunits in ribosomes and how their attachment is controlled?
  
• Give % age of O2 and CO2 inhaled and exhaled air (in an adult human).

4- Write short answers of any six parts from the following.

• Sketch the labelled diagram of bacteriophage.
  
• Write down two postulates of Germ Theory of disease.
  
• What are fluid feeders? Give an example.
  
• Differentiate between Bolus and Chyme.
  
• Name the pH and composition of saliva.
  
• Define active and passive immunity.
  
• How guttation differ from imbibition?
  
• Name the two living and extinct representative of psilopsida.
  
• How does gymnosperm differ from Angiosperm? Give two points only.

Section –C

Note: Answer any three questions from the following.                                                                                                                                                 
5.(a) What is Hypothesis? Discuss briefly the deductive and inductive reasonings.
(b) Write down the Adaptive characters for land of Bryophytes.

6. (a) Describe fibrous and globular proteins.
(b) Describe digestion in cockroach

7. (a) Write a note on Mitochondria.
(b) Describe land adaptation of Fungi.

8. (a) Sketch non-cyclic phosphorylation.
(b) Explain the lytic cycle of reproduction of bacteriophage.

9. (a) Describe nutrition of bacteria.
(6) Describe the mechanism of opening and closing of stomata.