Sargodha BOARD 2017
(Objective Type)
Biology
Time Allowed: 20 Minutes
Maximum 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 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 filled. Do not solve questions on this sheet of OBJECTIVE PAPER.

• The study of functions of different ports of an organism.
  
  (A) Morphology
  (B) Physiology
  (C) Anatomy
  (D) Ecology


• Which of the following polysaccharide produce red colour with iodine
  
  (A) Amylose
  (B) Amylopectin
  (C) Glycogen
  (D) Cellulose


•   Optimum pH value for pepsin is
  
  (A) 2.00
  (B) 4.50
  (C) 5.50
  (D) 6.80


• In eukaryotic cell Ribosomes are assembled in
  
  (A) Nucleus
  (B) Cytoplasm
  (C) Endoplasmic recticulum
  (D) Nucleolus


• First infectious disease against which, effective method of prevention was developed
  
  (A) Small pox
  (B) Yellow fever
  (C) Measles
  (D) Mumps


• Bacterial flagella originate from
  
  (A) Cell wall
  (B) Basal body  
  (C) Capsule
  (D) Slime


• The feeding stage of slime mold is
  
  (A) Plasmodium
  (B) Penicillium
  (C) Mycelium
  (D) Rhizopus


• Which of the following structure is associated with
  
  (A) Ascospore
  (B) Basidiospore
  (C) Conidia
  (D) Zygospore 


• Double fertilization is a special process found in  
  
  (A) Bryophytes
  (B) Psilopsida  
  (C) Gymnosperms  
  (D) Angiosperms


• Mammals become dominant in the  
  
  (A) Cenozoic period 
  (B) Jurassic period
  (C) Devonian period
  (D) Cambrian period


• Nematocytes are the characteristics of phylum
  
  (A) Nematoda
  (B) Coelenterate
  (C) Platyhelminthes
  (D) Annelids


• The first action spectrum was obtained by T.W. Engelman in 1883 working on
  
  (A) Nostoc
  (B) Chlorella
  (C) Spirogyra
  (D) Volvox


• Rubisco is
  
  (A) Compound used during light reaction
  (B) An Electron acceptor
  (C) An Enzyme
  (D) A coenzyme


• Which of the following secrete the pepsinogen
  (A) Mucus cell  
  (B) Parietal cell
  (C) Oxyntic cell
  (D) Zymogen cell


• Myoglobin is protein pigment present in
  
  (A) Red blood cell
  (B) Nerve cell
  (C) Liver cell
  (D) Muscle cell


• Water potential of pure water is
  
  (A) +10
  (B) +5
  (C) Zero
  (D) -10


• Cohesion tension theory was proposed by
  
  (A) Dixon
  (B) Robert Brown
  (C) Sacks
  (D) Van Mohl

Sargodha BOARD 2017
(Subjective Type)
INTER PART-I
Time 2.40 Hours
Group-I
Maximum Marks: 68

NOTE: - Write same question number and its part number on answer book, as given in the question paper.
2. Attempt any eight parts.

1. Define phosphodiester bond.
   
2. How enzymes catalyse series of chemical reactions.
   
3. What are non-competitive inhibitors?
   
4. State lock and key model?
   
5. What do you know about Armillaria?
   
6. Differentiate between Ascus and basidium?
   
7. Name three classes of phylum Annelida?
   
8. Give four parasitic adaptations of flatworms?
   
9. How sharks are economically important?
   
10. Write down dour exclusive characters of mammals?
    
11. What are cytochromes? Give its role?
    
12. How NADH & ATP can inhibit cellular respiration?

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

1. Differentiate between molecular biology and biotechnology?
   
2. Define bioremediation. Give one example.
   
3. What is “Omnis cellula e cellula” who proposed it?
   
4. Differentiate between primary and secondary cell wall?
   
5. Name four major groups of kingdom Protista.
   
6. Differentiate between primary and secondary cell wall?
   
7. What are Dinoflagellates? Give their ecological significance.
   
8. Differentiate between fungi and fungi like Protists
   
9. Give two characters of bryophyte division.
   
10. How mosses differ from liverworts in development.
    
11. Differentiate between active transport and facilitated diffusion.
    
12. What is meant by bleeding in plants?

4. Write short answers to any six parts.

1. What am symptoms of AIDS?
   
2. What are mesosomes? Give their function?
   
3. Enlist steps involved in Holozonic nutrition.
   
4. What is role of Crop and gizzard in cockroach?
   
5. What am Hunger pangs?
   
6. What is photorespiration? Name the organelles involve in it.
   
7. Describe the role of Nasal cavity in man?
   
8. What is parabronchi?
   
9. Differentiate between myoglobin and Haemoglobin?

SECTION-II 

NOTE: - Attempt any three questions.

Q 5:
(a) How drug treatment and gene therapy help to cure disease?
(b) How transportation takes place in hydra?

Q 6:
(a) Write a note on different types of RNA.
(b) Describe the process of absorption of food in small intestine of human.

Q 7:
(a) What are plastids? Discuss the chloroplast in detail.
(b) Sketch the Calvin cycle.

Q 8:
(a) Describe the evolution of leaf in detail.
(b) Illustrate the life cycle of Bacteriophage diagrammatically.

Q 9:
(a) Describe Nutrition in bacteria.  
(b) Explain Sexual Recordation in fungi.