INTERMEDIATE PART-I
(11th CLASS)
BIOLOGY PAPER-I
(NEW SCHEM)
TIME ALLOWED: 20 Minutes
OBJECTIVE
MAXIMUM MARKS: 17
Note: You have four choices 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 circles. Cutting or filling two or more circles will result in zero mark in that question. Attempt as many questions as given in objective type question paper and leave others blank. No credit will be awarded in case  BUBBLES are not filled. Do not solve question on this sheet of OBJECTIVE PAPER.

Question#1

• The lowest percentage of bioelements in man among the following is of:-
  
  (A) Chlorine
  (B) Sulphur
  (C) Manganese
  (D) Iron
  
  
• Conjugated histone proteins are:-
  
  (A) Structural and Regulatory
  (B) Structural only
  (C) Regulatory only
  (D) Transport proteins
  
  
• The enzyme with optimum pH = 7.60 is:-
  
  (A) Arginase
  (B) Enterokinase
  (C) Catalase
  (D) Sucrase
  
  
• Stroma is a fluid in the chloroplast:-
  
  (A) Thylakoids
  (B) Matrix
  (C) Granum
  (D) Intergranum
  
  
• Phylogeny describes a species:-
  
  (A) Morphological similarities with other species
  (B) Evolutionary history
  (C) Reproductive compatibilities with other species
  (D) Geographical distribution
  
  
• Peptidoglycans absent in:-
  
  (A) Eubacteria
  (B) Cyano bacteria
  (C) Archaeo bacteria 
  (D) Gram negative bacteria 
  
  
• Actinopods with glassy shells are:-
  
  (A) Rotifers
  (B) Radiolarians
  (C) Diatoms 
  (D) Forams
  
  
• Carcinogenic aflatoxins are produced by:-
  
  (A) Aspergillus
  (B) Penicilluim
  (C) Neurospora 
  (D) Ustilago
  
  
• Two kinds of spores are present:-
  
  (A) Lycopoduim
  (B) Selaginella
  (C) Adiantum 
  (D) Anthoceros
  
  
• Excretory system in arthropods is composed of:-
  
  (A) Flame cells
  (B) Nephridia
  (C) Malpighian tubules 
  (D) Nephrons
  
  
• Sphenodon is found in:-
  
  (A) Australia
  (B) Texas
  (C) New Zealand 
  (D) Berlin
  
  
• Molecular formula for chlorophyll ‘b’ is:-
  
  (A) C₅₅H₇₂O₅N₄Mg
  (B) C₅₅H₇₀O₆N₄Mg
  (C) C₅₅H₇₀O₅N₄Mg
  (D) C₅₆H₇₀O₆N₄Mg
  
  
• End products of anaerobic respiration in yeast:-
  
  (A) Lactic acid
  (B) Methyl alcohol
  (C) Ethyl Alcohol only 
  (D) Ethyl Alcohol and CO₂
  
  
• Enzyme that produces amino acids:-
  
  (A) Trypsin
  (B) Erypsin
  (C) Chymotrypsin 
  (D) Amino peptidases
  
  
• Blood is not involved in transport of gas in:-
  
  (A) Fish
  (B) Insects
  (C) Frog
  (D) Man
  
  
• The normal pH of human blood is:-
  
  (A) 6.0
  (B) 7.4
  (C) 8.0
  (D) 9.0
  
  
• ____ is incorrect about guard cells.
  
  (A) Have chloroplasts
  (B) Bean shaped
  (C) Connected to surrounding cells by plasmodesmata
  (D) Surrounds stoma 

INTERMEDIATE PART-I
(11th CLASS)
BIOLOGY PAPER-I
(NEW SCHEME)
TIME ALLOWED: 3.10 Hours
SUBJECTIVE
MAXIMUM MARKS: 83
NOTE: - Write same question number and its part number on answer book, as given in the question paper.

SECTION-I
2. Attempt any eight parts. 8 × 2 = 16

• Differentiate between Population and Community.
• Define Phyletic Lineage.
• Write down the structural formula of Phosphatidylcholine (Lecithin). 
• Differentiate between Apoenzymes and Holoenzymes. 
• Define Lock and Key model of Enzyme. 
• How pH affects the rate of enzyme action?
• Define Binomial Nomenclature.
• Compare Radiotherapy and Gene therapy to control diseases.
• Define Parasexuality.
• How yeast differ with other Fungi?
• Define double fertilization. In which plants it occurs?
• Differentiate between Male and Female Cones of Pinus.

3. Attempt any eight parts. 8 × 2 = 16

• Give three functions of Smooth Endoplasmic Reticulum.
• What are two subunits in Ribosomes and how their attachment is controlled?
• What are Trichonymphas?
• What are Kelps? Name the parts of Thallus of a Kelp.
• Differentiate between Foraminiferans and Actinopods.
• What is Chlorella?
• What is Hermaphroditic Animal? Give an example.
• Give two characters of subclass Eutheria.
• Give three basic characters of Chordates.
• What is Polymorphism?
• What is compensation point? When it occurs?
• What is Stroma? Give its function.

4. Attempt any six parts. 6 × 2 = 12

• What are Detritivores? Give one example.
• What is Appendicitis?
• What is Peristalsis?
• What changes occur in an animal during diving reflex?
• What is larynx?
• What is Photorespiration? Name organalles involved in it.
• What is Pulmonary Tuberculosis? Give its causes.
• What are Lenticels?
• What are Blue babies?

SECTION-II
NOTE: - Attempt any three questions of the following:-

Question#5
(a) Describe Protection and Conservation of Environment. 4
(b) Characterize Basidiomycota. 4

Question#6
(a) Describe structure and function of Golgi apparatus in a cell. 4
(b) Only sketch the pathway of Glycolysis. 4

Question#7
(a) Describe the Lytic Cycle of the Bacteriophage. 4
(b) Describe the function of Enzymes present in Pancreatic Juice. 4

Question#8
(a) Write down about the Acylglycerols. 4
(b) What is the significance of alternation of Generations? 4

Question#9
(a) Explain about use and misuse of Antibiotics. 4
(b) Define Root Pressure. Explain its role in Ascent of sap. 4

SECTION-III
(PRACTICAL)

10. Attempt any three parts.
(A).(i) You are provided with oil and Sudan III solution. Write Biochemical test for the substance  which oil contains. 3
(ii) What are Lipids? 2
(B).(i) You are provided with flower of LathyrusOdoratus. Describe the following parts of flower in technical terms. Calyx, Corolla, Gynaecium 3
(ii) Differentiate between complete and incomplete flower. 2
(C) Sketch and label the diagram of respiratory system of Frog. 5
(D).(i) Write down an experiment to study the effects of temperature on Enzyme action. 3
(ii) What is an Enzyme? Give one example. 2
(E) Give one character for the identification of following specimen/slides. 5

• Euglena
• Nostoc
• Prothallus of Adiantum
• Male cone of Pinus
• T.S. of Dicot stem