Biology Subjective Group 1 Inter Part 1 Past Paper 2014 Lahore Board

Biology Subjective Group 1 Inter Part 1 Past Paper 2014 Lahore Board

Inter Part 1 Lahore Board 2014

Biology      Paper I Essay Type

Time: 3.10 Hours        Marks: 83

Group I

(SECTION I)

Write short answers to any EIGHT (8) questions

  • Differentiate between macromolecules and macromolecules.
  • What is biome?
  • Write the general formula of amino acid.
  • Define active site of enzyme.
  • What do you know about lock and key model?
  • Differentiate between irreversible and reversible inhibitors
  • What are diploblastic animals?
  • Define placenta. Write its functions,
  • What are coral reefs?
  • Define swim bladder and give its function,
  • What are blue babies?
  • Differentiate between active and passive immunity.

 

Write short answers to any EIGHT (8) questions

  • Differentiate between streptococcus and staphylococcus bacteria.
  • Write down functions of micronuclei and macronuclei found in ciliates.
  • Write down four characters of green algae similar to those of plants
  • Write down two differences between fungi and oomycotes
  • What are choanoflagellates?
  • Define double fertilization.
  • Write down two steps involved in. the evolution of seed,
  • Define photosynthesis.
  • What do you mean by action spectra?
  • What are two functions of secretin?
  • Define fluid feeders.
  • Write down deficiency symptoms of potassium and magnesium in plants.

 

Write short answers to any SIX (6) questions

  • What is diving reflex? Describe.
  • Discuss emphysema.
  • What is cancer or carcinoma?
  • Why oxygen can be obtained more easily from air than water?
  • What is histoplasmolysis?
  • Why rusts and smuts are called so?
  • What are symptoms of small-pox?
  • What is glycogenosis type II disease?
  • Define differentially permeable membrane.

 

(SECTION II)

Note Attempt any THREE questions.

 

Question

(a) Describe land adaptation of fungi.

(b) Describe the biological organization at organelles and cell level.

Question

(a) Write a note on polysaccharides.

(b) Give economic importance of Family Poaceae.

Question

(a) Describe structure and function of chloroplast.

(b) Sketch metabolic pathway of glycolysis. (Description not required)

Question

(a) Write a detailed note on hepatitis.

(b) Compare parasitic and symbiotic nutrition in plants.

Question

(a) Explain transpiration as a necessary evil.

(b) Classify the bacteria with reference to presence of flagella.

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