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Important Guess Papers

Inter Board Karachi (Science) 2011-2012

Exams have never become easy!
The added Guess Papers will aid you to attempt Examination paper fully and to get success in it.


Guess Papers for Class XI

Guess Papers for Class XII

1st Year Science new

2nd Year Science new

English new
Urdu new
Islamiat new
Botany (Optional) new
Zoology (Optional ) new
Chemistry (Optional) new
Mathematics (Optional) new
Physics (Optional) new

English new
Urdu new
Pakistan Studies new
Botany (Optional) new
Zoology (Optional) new
Mathematics (Optional) new
Physics (Optional) new
Chemistry (Optional) new

Class 1st Year Botany Guess Paper Science

Important Questions:

Section A:(Multiple Choice Questions)

Note: Attempt all questions from this section.

Q.1:- Choose the correct answer for each from the given option:

a) Nucleus was discovered by.

  1. Robert Hook
  2. Schleiden
  3. Schwann
  4. Robert Brown

b) Plant cell wall was made of.

  1. Protein
  2. Lipid
  3. Cellulose
  4. Chitin

c) Energy is released from.

  1. Chloroplast
  2. Mitochondria
  3. ER
  4. Golgi bodies

d) Rod-shape bacteria is called.

  1. Bacillus
  2. Coccus
  3. Vibrio
  4. Spirillum

e) Rabies is caused by.

  1. Rhino Virus
  2. Arbovirus
  3. Retrovirus
  4. Rhabdovirus

f) The most common method of yeast reproduction is.

  1. Fission
  2. Budding
  3. Conjugation
  4. Non of them

g) Cancer causing toxin is called.

  1. Mycotoxin
  2. Aflatoxin
  3. Phytotoxin
  4. Moldtoxin

h) Yeast belongs to.

  1. Zygomycota
  2. Ascomycota
  3. Basidiomycota
  4. deutromycota

i) Fungi which lack sexual reproduction is called.

  1. Deutromycota
  2. Basidiomycota
  3. Ascomycota
  4. Zygomycota

j) Fungus utilized in baking industry.

  1. Yeast
  2. Mushroom
  3. Bread mold
  4. Penicillium

k) Potato belongs to family.

  1. Rosaceae
  2. Solanaceae
  3. Fabaceae
  4. Mimosaceae

l) Heterospory is found in.

  1. Psilotum
  2. Lycopodium
  3. Fern
  4. Selaginella

m) Where do the light-dependent reactions of photosynthesis occur?

  1. Guard cells of stomata
  2. In the thylakoid membrane of chloroplast
  3. Stroma of chloroplast
  4. Cytoplasm of leaf cell

n) Where does respiratory electron transport occur?

  1. Cytoplasm
  2. Mitochondria
  3. ER
  4. All of them

o) What is the end product of glycolysis in plant?

  1. Pyruvie acid
  2. Lactic acid
  3. Methyl alcohol
  4. Ethyl alcohol

p) Leaves tern pale yellow due to loss in chlorophyll content called.

  1. Chlorosis
  2. Senescence
  3. Cirrhosis
  4. All of them

q) In the morning when the sun rises, plants open their stomata by.

  1. Pumping H20 out of guard cells
  2. Pumping H20 into the guard cells
  3. Pump K+ ion into the guard cells
  4. Pump K+ Out Of the guard cells

r) Pressure flow hypothesis was proposed by E. Munch in.

  1. 1920
  2. 1930
  3. 1935
  4. 1940

Note: Students are advised to learn material written in boxesof your book for MCQS

Important Long Questions

  1. Describe the life cycle of of Bacteriophage with labelled diagram (Structure of Bacteria or Structure and reproduction in Nostoc).
  2. Write notes on the following:
    Cell Theory
    Plastid
    Endoplasmic Reticulum
    Golgi bodies
    Ribosomes
    Cytoplasm
    Nucleus
    Cytoskeleton
  3. Process of glycolysis with graphical representation?
  4. Describe the life cycle of Zygomycota and also draw its diagrammatic life cycle
  5. Describe the mechanism of Aerobic respiration or Kreb cycle
  6. Describe the process of photosynthesis with reference to cyclic and non-cyclic phosphorylation
  7. define transpiration, describe types and explain the mechanism of stomatal transpiration in detail also explain their advantages and disadvantages.
  8. Describe the floral characters, floral formula, floral diagram and economic importance of family Solanaceae, Mimasaceae and Poaceae)
  9. Describe the life cycle of plant showing isomorphic alteration of generations
  10. Describe the structure and reproduction of fungi
  11. Adaptation of plants to land habitat OR Structure and reproduction in Ascomycota
  12. Describe the life cycle Selaginella, Fern and Pinus

Important Short Questions

  1. Lichens and Mycorrhizal Fungi
  2. Describe insectivorous plants and describe any one of theinsectivorous plants
  3. Wite differnces between the following
    Prokaryotes and Eukaryotes
    Cell Wall and Cell Membrane
    Chloroplast and Plastids
    Bacteria and Cynobacteria
    Algae and Fungi
    light and electron microscope
    Photosynthesis and chemosynthetic bacteria
  4. Classification of living organisms
  5. Characteristics and structure of virus
  6. Describe four events take place during Light reaction
  7. Role of CO2 during light dependent reaction of Photosynthesis
  8. Viral diseases(Rabies, AIDS, Hepatitis)
  9. Classification of bacteria on the basis of respiration
  10. Labelled diagram of LS of Male cone of Pinus
  11. Fission in Bacteria
  12. Genetic Recombination
  13. Fluid mosaic model of cell membrane
  14. Salient feature of cynobacteria
  15. Chlorella
  16. Plant and Animal characteristics of Euglena
  17. Slime mould
  18. Phytophthora infestance- Structure, reproduction and economic importance
  19. Nutrition in Fungi
  20. Types of Ascocarps
  21. Parasexuality
  22. Economic impportance of yeast
  23. Labelled diagram of sectioned marchantia thallus
  24. Evolution of the leaf
  25. Diagram of Female cone of Pinus
  26. An anatropous or inverted ovule in L.S
  27. Describe the role of chlorophyll and carbondioxide and ATP as energy currency
  28. Fermentation and its economic importance
  29. Trophic level
  30. Deficiency symptoms of nitrogen and phosphorous
  31. Facilitated diffusion
  32. Labelled daigra of LS of ovule
  33. Describe strucure of Rhynia
  34. Active transport
  35. Imbibition
  36. Plasmolysis and de- Plasmolysis
  37. Vessels and Tracheids
  38. Advantages and disadvantages of transpiration
  39. Phloem translocation
  40. Sailent fatures of Basidomycota
  41. Source- sink movement
  42. Aerobic and Anaerobic respiration
  43. Labelled daiagram of BActeriophage

Guesspapers Inter Board Karachi for Class XI, XII, (1st, 2nd Year) Science, Arts and Commerce Group Exams Guess Papers 2011, 2012, Karachi, Pakistan

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