Sargodha Board 2015
Biology Part I I
Time Allowed: 3 Hours
Max. Marks: 85
Note: There are THREE sections in the paper i.e. Section A, B and C.
Attempt Section -A on the same paper and return it to the Superintendent within the given time.
No marks will be awarded for Cutting, Erasing or Overwriting. Marks of Identification will lead to UFM Case Mobile Phone etc are not allowed in the examination hall.
Time Allowed: 20 minutes
Section -A
Marks: 17

Q-1 Write the correct option i.e. A, B, C or Din the empty box provided opposite to each part.

• The rate of heat  production is increased by increasing contraction, by movement it is called
  
  (A) Tharmoregulation
  (B) Shivering  tharmogenesis
  (C) Non shivering tharmogenesis
  (D) Thermostimulation
  
  
• The group of animals whose excretory system is structurally associated with nutritive tract.
  
  (A) Vertebrates 
  (B) Earthworm
  (C) Planaria
  (D) Insects
  
  
• Rackets is due to deficiency of vitamin
  
  (A) A   
  (B) C
  (C) D
  (D) E
  
  
• The diameter of cilia ranges from
  
  (A) 0.1 to 0.5
  (B) 0.1 to 0.5
  (C) 0.3 to 0.8
  (D) 0.3 to 0.8mm
  
  
• Effective drug available for Parkinson's disease is.
  
  (A) Nicotine
  (B) GDNF
  (C) AZT
  (D) L-dopa
  
  
• The hormones that induces labor pain.
  
  (A) Lactogen
  (B) LTH
  (C) LH 
  (D) Oxytocin
  
  
• Reproduction is very important to the survival of
  
  (A) Species
  (B) Individual
  (C) Population
  (D) Community
  
  
• Grey vegetal cytoplasm given rise to
  
  (A)  Notochord
  (B)  Gut
  (C) Muscle
  (D) Epidemus
  
  
• The strand which elongates towards the replication fork is
  
  (A) Leading
  (B) Lagging
  (C)  Okazaki
  (D) Primer
  
  
• Inter phase period can be divided into
  
  (A) G₁,G₂,G₃
  (B) G₁,G₂,F₁
  (C) G₁,S, G₂
  (D) S₁,G₁,S₂
  
  
• Which tumor is  delocalized or has branches other than site of origin
  
  (A) Benign
  (B) Malignant
  (C) Both
  (D) Apoptosis
  
  
• The position of a gene on the chromosome is called.
  
  (A) Focus
  (B) Locus
  (C) Allele
  (D) Trait
  
  
• The genome fragment can be separated according to their lengths during
  
  (A) Gel electrophoresis
  (B) PCR
  (C) Cloning
  (D) Gene therapy
  
  
• Armadillos, the armored mammals live only in
  
  (A) Africa
  (B) Europe
  (C) Asia
  (D) America
  
  
• When bacteria in soil oxidize ammonia or ammunition ion is called.
  
  (A) Oxidation
  (B) Denitrification
  (C) Ammonification
  (D) Nitrification
  
  
• A little light is left to power photosynthesis at the depth of
  
  (A) 500 Feet
  (B) 700 Feet
  (C) 600 Feet
  (D) 1000 Feet
  
  
• Which one of the following pair is a renewable resource.
  
  (A) Oil &Air
  (B) Water and Oil
  (C) Oil and  Natural gas

SECTION-B
Max. Marks: 40
Note: Time allowed for Section -B and Section -C is 2 Hours and 40 minutes.

2. Answer any Eight parts from the followings:

• What are mesophytes? Give one example.         
• Differentiate between osmoconformers and osmoregulators.
• Sketch metabolic pathway in Urea cycle 
• Differentiate between fibers and sclereids?
• What are  haptonastic movements. Give one example.
• What is All or None Response?
• Define Photoperiodism?     
• Differentiate between primary growth and secondary growth.
• What is mitotic apparatus?
• Define metastasis? How it occurs?
• What is meant by endosymbiont hypothesis.
• Differentiate between Homologous and analogous organs.

3. Answer any Eight parts from the followings:

• What is chlorosis.
• What are cranial nerves.
• What is oxytocin. Give its function.
• What is menupause.
• How identical twins formed.
• What is partheno carpy.
• How to get a gene.
• What is the  Polymerase chain reaction.
• What are the common features of aquatic ecosystem.
• Differentiate between phytoplanktons and zooplanktons.
• What is water pollution? How algal bloom pollution may occur?
• Define green house effects?

4. Answer any Six parts from the followings:

• What is Nucleosome.
• What are Okazake fragments.
• Define Transcription.
• Define product rule.
• Define pleiotropy.
• What is crossing over.
• Differentiate between population and community.
• Define Succession.
• What are Lichens?
• Differentiate between phytoplanktons and zooplanktons.
• What is water pollution? How algal bloom pollution may occur?

Note Attempt any THREE questions

• 5.(a) Discuss kidney problems and cure.
     (b) Briefly discuss sources of energy.
• 6.(a) Describe  the locomotion in Jelly fish and cockroach.
     (b )Describe the evidence of evolution from comparative anatomy.
• 7.(a) What is Centel Nervous System, explain structure and function of forebrain.
     (b) How does energy flow in a food chain arm ecosystem discuss.
• 8.(a) Describe different types of RNA with th, functions.
     (b) Explain four sexually transmitted disease (STD).
• 9.(a) Write a note on Regeneration.
     (b) Discuss Genetics of Haemophilia.

Attempt any THREE Parts.

• 10.(a) Draw urinogenital  system of male frog and label it.
       (b) Draw labeled sketch of pelvic girdle of Frog.
       (c) Write procedure to study muscle twitch.
       (d) Draw labeled sketch of hen’s egg.
       (e) Define Blastula
       (f) What is thigmotropic movement.
       (g) Give identification of 72 hrs chick embryo.
       (h) What is Ringer solution.
       (i) Define synapsis.