Inter (part-1)
Biology (2014)
OBJECTIVE
MARKS: 17
Note: Four possible choices A,B,C,D to each question are given. Which choice is correct , fill that circle in front of that question number. Use marker or pen to fill the circles. Cutting two or more circles will result in zero mark in that question.

Question#1

•  The branch of biology which deals with the ancestral history of organisms is called :
  
  (a) Genetics
  (b) Palaeontology
  (c) Morphology
  (d) Evolution
  
  
• Cell wall of Prokaryotic Organisms lacks cellulose ,instead of cellulose its strengthening material is :
  
  (a) Silica
  (b) Wax 
  (c) Cutin
  (d) Murein
  
  
• Optimum PH for the proper functioning of enzyme sucrase is :
  
  (a) 2.00
  (b) 4.50
  (c) 5.50
  (d) 7.60
  
  
• The percentage of water in bacterial cell is about :
  
  (a) 15%
  (b) 18%
  (c) 50%
  (d) 70%
  
  
• Binomial system of Nomenclature was devised by :
  
  (a) E- chatton
  (b) Ernst Hackel
  (c) Robert Whittaker
  (d) Carlous Linnaeus
  
  
• Alternaria is an example of :
  
  (a) Zygomycota
  (b) Ascomycota
  (c) Basidiomycota
  (d) Deuteromycota
  
  
• Polysiphonia is an example of :
  
  (a) Red Algae
  (b) Green Algae
  (c) Brown Algae
  (d) Diatoms
  
  
• E-coli is an example of :
  
  (a) Aerobic Bacterium
  (b) Anaerobic Bacterium
  (c) Facultative Anaerobic Bacterium
  (d) Microaerophilic Bacterium
  
  
• Which one is an example of living genera of psilopsida:
  
  (a) Psilophyton
  (b) Horneophyton
  (c) Cooksonia
  (d) Psilotum
  
  
• One of the accessory photosynthetic pigments carotenes are mostly :
  
  (a) Red to Orange
  (b) Yellow to Orange
  (c) Green to Yellow
  (d) Orange to Red
  
  
• The Polyp is reduced and medusa is dominant :
  
  (a) sea Anemon
  (b) jelly fish
  (c) Obelia 
  d) Hydra
  
  
• Animals of which phylum have developed bilateral symmetry in their larvae and radial symmetry in adults :
  
  (a) Nematoda
  (b) Annelida
  (c) Mollusca
  (d) Echnodermata
  
  
• Pyruvic Acid the end product of Glycolysis before entering the Kerbs cycle is changed into a two carbon compound:
  
  (a) Citric Acid
  (b) Acetic Acid
  (c) Succinic Acid
  (d) -Ketoglutaric Acid
  
  
• Casparin Strips are present in :
  
  (a) Cortex Cells of Roots
  (b) Endodermal Cells Of Roots
  (c) Cells of Pericycle
  (d) Cells of Xylem Vessels
  
  
• Which type of cells in huan stomach secrete Gastrin:
  
  (a) Mucous Cells
  (b)Parietal Cells
  (c)Zymogen Cells
  (d)Endocrine Cells
  
  
• Seizing and Swallowing type of Macrophagous feeding is found in :
  
  (a) Aphids
  (b) Hydra
  (c) Mussels
  (d) Spotted Dog fish
  
  
• White Blood cells are grouped into two main types ,Granulocytes and Agranulocytes ,which one of the following is not among Granulocytes :
  
  (a) Neutrophil
  (b) Eosinophil
  (c) Bsophil
  (d) Monocyte

Subjective (PART-1)

Question#2  (8*2=16)

• Define biodiversity .Give the percentage of different groups of organisms .
• Differentiate between Deductive and Inductive Resonings.
• Differentiate between Reversible and Irreversible Enzyme Inhibitors.
• How does high temperature affect Enzyme Activities ?
• Give the sypmplast pathway taken by water to reach xylem tissues .
• Give any two characteristics of Enzymes .
• Give the role of swim bladder in Bony Fishes.
• Write down the importance of sponges .
• Draw a structural formula of glycylalanine.
• What is Metamorphosis?
• What are platelets ?Give their role .
• Differentiate between Schizocoelous and Enterocoelous Coeloms.

Question#3 (8*2=16)

• What are Trichomes ?Give the structure and function of Heterocysts?
• Why adaptations slime molds develop during during unfavopurable conditions ?
• Compare forms and locomotion of zooflagellates and ciliates.
• Write down the Phylum,form,pigments and examples of red algae.
• How monocots are compared with dicots ?Give any four characters .
• What is the significance of alternation of Generation ?
• How Chlorophyll “a” differs with chlorophyll “b” ?
• Define photosynthesis .Write an equation to summarize it .
• How secretin is produced ? what is its effect on pancreas in man ?
• Name different cells with their secretions which produce gastric juice .
• Write a note on Peristalsis .
• Give structure and function of Diatoms.

Question#4 (6*2=12)

• Differentiate between chromoplasts and leucoplast .
• How peroxisome are different from Glyoxysome .
• Define species . Give one example .
• What is parasexually in Fungi ?
• Distinguish Rusts from Smuts .
• What is Emphysema ?
• Define photorespiration.
• Differentiate between Cutaneous and Pulmonary Respiration in Frog .
• How does temperature affect the oxygen carrying capacity of Haemoglobin ?

PART-II

Question#5

(a) Give Biological Advances in the field of Food Production . 4
(b) Give four Ecological uses of Fungi. 4

Question#6
(a) Classify proteins according to their structure . 4
(b) Describe Evolution of leaf . 4

Question#7
(a) Describe the types of RNA 4
(b) Draw the labeled sketch of Calvin Cycle. 4

Question#8
(a) Describe Life Cycle of Bacteriophage . 4
(b) Explain Digestion In Cockroach. 4

Question#9
(a) Describe Blood Pressure and rate of flow of blood. 4
(b) Write a note on use and misuse of Antibiotics. 4

PART-III
(PRACTICAL PART)

Question#10 (3*5=15)
(A)(i) Describe iodine Test for the confirmation of starch. 3
(ii) Describe two characteristics of polysaccharides. 2
(B)(i) You are given the flower of Rosa Indica .Describe in technical terms its following parts :  3
(a) Calyx
(b) Androecium
(c) Gynoecium
(ii) What is Racemose type of inflorescence? 2
(C) Sketch and label the diagram of Respiratory system of Frog 5
(D)(i) How would you proceed to identify and stain the bacteria in stale milk ? 3
(ii) Why gram positive and Gram Negative Bacteria are stained differently ? 2
(E) Give one reason for identification of the followings: 5
(i) Euglena
(ii) Stomata
(iii) Female cone of pinus
(iv) Volvox
(v) T.S of Dicot –Stem