Federal Board 2017
(Objective Type)
Biology
Time Allowed: 20 Minutes
Maximum Marks: 17
NOTE: You have four choice for each objective type question as C and 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 questions papers and leave others blank. No credit will be awarded in case. BUBBLE are not fille Do not solve questions on this sheet of OBJECTIVE PAPER.

• The suppressor T cells release Cytokines that inhibit the activity of:
  

1. T and B Cells
   
2. Helper T Cell
   
3. Macrophages
   
4. Natural Killer Cells

• Trypsinogen is secreted by pancreas. Trypsinogen is converted into its active form, trypsin in the Duodenum in the presence of:
  

1. Gastrin
   
2. Secretin
   
3. Enterokinase
   
4. HCI

• The ________ are exclusively marine animals.
  

1. Coelenterates
   
2. Echinodermates
   
3. Platyhelminthes
   
4. Mulluscans

• The low level of _____ in the leaf favours the opening of stomat
  

1. Carbon dioxide
   
2. Glucose
   
3. Water
   
4. Oxygen

• One of the important features of Pteropsida is:
  

1. Heterospory
   
2. Club Shaped Strobili
   
3. Presence of Rhizoids
   
4. Circinate Vernation

•   __________ is the procedure that separates molecules on the basis of their size, shape, molecular weight and surface charge.
  

1. Centrifugation
   
2. Electrophoresis
   
3. Chromatography
   
4. Spectrophotometry

• Which of the following is NOT true about Cellulose?
  

1. It is an polymer of glucose
   
2. It is an abundant carbohydrate
   
3. It is an important food source for animals
   
4. It is highly branched Polysaccharide

• In the life cycle of HIV, penetration of virus into host cell is followed by:
  

1. Reverse transcription
   
2. Replication
   
3. Biosynthesis
   
4. Breakdown

• All Except _______ is not associated with Protostomes.
  

1. Spiral cleavage
   
2. Schizocoelome
   
3. Blastopore develop into anus
   
4. Annelids

• ___________ cells of stomach secrete hydrochloric ad
  

1. Goblet Cells
   
2. Chief cells
   
3. Zymogen Cells
   
4. Parietal cells

• The largest multicellular algae, Kelps belongs to:
  

1. Brown algae
   
2. Red algae
   
3. Dirrofiagellates
   
4. Green algae

•   ________ is the example of facultative bacteri
  

1. Pseudomonas
   
2. E. Coli
   
3. Comphylobactor
   
4. D Spirochaeta

• Within the liver, blood is passed through a series of dilated, capillaries called: -
  

1. Sinusoids
   
2. Sinus venosus
   
3. Sinus Channels
   
4. Vena Cava

•   __________ organelle is more active in the germinating seeds, the enzymes of which convert stored fats into carbohydrates.
  

1. Leucoplast
   
2. Lysosomes
   
3. Golgi bodies
   
4. Glyoxisomes

• _______ is not the property of enzymes.
  

1. Proteinecious molecules
   
2. Non-Specificity to substrate
   
3. Sensitive to pH and Temperature variation
   
4. Decrease activation energy

• The precursor molecule to initiate Krebs Cycle is:
  

1. Pyrovate
   
2. Acetyle Co-A
   
3. Malate
   
4. Citrate

•   ______ is a fibrous protein.
  

1. Collagen
   
2. Haemoglobin
   
3. Enzyme
   
4. Insulin

INTER PART I Federal board 2017
(Subjective Type)
(Marks 42)
Time allowed: 2:35 Hours
Total Marks Section 8 & C: 68

Q.2 Answer any FOURTEEN parts.

1. The oxidative activity of RUBISCO enzyme is affected by temperature. Briefly describe.
   
2. Give similarities and differences between Chloroplast and Mitochondri
   
3. Write down three functions of Proteins
   
4. How can the transmission of HIV be prevented?
   
5. Draw the structures of Aldo and Keto Triose Sugar.
   
6. Write one function of each
   
   1. Rough Endoplasmic reticulum
      
   2. Golgi Bodies
      
   3. Lysosomes
      
7. What is endospore? When and why is it formed in a bacterium?
   
8. Give common features of Bryophytes.
   
9. How do Xerophytes maintain their osmoregulation?
   
10. State the digestion of food in oral cavity?
    
11. What are the advantages of Fever?
    
12. Draw the label Diagram of Antibody.
    
13. What are the risks associated with atherosclerosis?
    
14. Differentiate between primary and secondary growth in Plants.
    
15. What do you know about pulmonary circuit?
    
16. Name the two types of Zoids in Cnidarian with their functions.
    
17. How does the substrate concentration affect the rate of enzyme action?
    
18. Enlist three functions of large intestine.
    
19. What is bacterial conjugation? Give its importance for a Bacterium.

(Marks 26)
Note: Attempt any TWO questions. All questions carry equal marks.

Q.3

1. Give the detail mechanism and Schematic representation of Calvin cycle.
   
2. Describe different classes of Enzymes.

Q.4

1. How do the digestion and absorption of food occur in small intestine?
   
2. Describe the evolution of seed in plants.

Q.5

1. Write the characteristics of Ascomycot
   
2. Give a detail note on Human Lymphatic System.