BIOLOGY
GROUP FIRST
(11th CLASS — 2014)
OBJECTIVE
TIME: 20 MINUTES
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.

QUESTION#1 

• Histology is the study of
  
  (A) Cell
  (B) Functions
  (C) Tissues
  (D) Fossils
  
  
• Which type of bond is not formed in maintaining the tertiary structure of proteins.
  
  (A) Ionic
  (B) Hydrogen
  (C) Disulfide
  (D) Hydrophobic Interactions
  
  
• An activated enzyme consisting of polypeptide chain and co-factor is known as
  
  (A) Apoenzyme
  (B) Holoenzyme
  (C) Co-enzyme
  (D) Prosthetic group
  
  
• The number of chromosomes in Drosophila melanogaster is
  
  (A) 26
  (B) 48
  (C) 8
  (D) 14
  
  
• Which one is not RNA virus?
  
  (A) Small pox virus
  (B) Influent virus
  (C) Mumps and Measles virus
  (D) Polio virus
  
  
• Chemical substances used on living tissues that the growth of microorganisms are called
  
  (A) Disinfectant
  (B) Antiseptics
  (C) Chemotherapeutic agents
  (D) Antibiotics
  
  
• Kingdom Protoctista was proposed by
  
  (A) Herbert Copland
  (B) John Hogg
  (C) Robbert Whittaker
  (D) Margolis and Schwartz
  
  
• One example of Fruticose lichens is
  
  (A) Parmelia
  (B) Bacidia
  (C) Lecanor
  (D) Ramalina
  
  
• Musci are commonly called
  
  (A) Liverworts
  (B) Mosses
  (C) Homvorts
  (D) Club mosses
  
  
• Which animal of Phylum coelenterate known as Portuguese may of war
  
  (A) Hydra
  (B) Obelia
  (C) Actiria
  (D) Physalia
  
  
• Schistosoma is commonly called
  
  (A) Liver Fluke
  (B) Tapeworm
  (C) Planaria
  (D) Blood Fluke
  
  
• The molecular Formula of chlorophy I’ a’ is
  
  (A) C₂₀H₃₉
  (B) C₅₅H₇₂O₅N₄Mg
  (C) C₅₅H₇₀O₆N₄Mg
  (D) None of these
  
  
• Breaking of Terminal Phosphate of TP Releases energy
  
  (A) 3.6 K Cal
  (B) 3.7 K Cal
  (C) 6.3 K Cal
  (D)1.3 K Cal
  
  
• Drosera intermedia is commonly called
  
  (A) Sundew
  (B) Venus Fly Trap
  (C) Pitcher Plant
  (D) Dodder
  
  
• Parabronchi are found in the lungs of
  
  (A) Amphibians
  (B) Reptiles
  (C) Birds
  (D) Mammals
  
  
• Among the total transpiration taking dace in plants. Cuticular Transpiration is about
  
  (A) 1-2 %
  (B) 5-7 %
  (C) 50-60 %
  (D) 90 %
  
  
  Double circuit Heart is not found in
  (A) Birds
  (B) Mammals
  (C) Feptiles
  (D) Fish

BIOLOGY
GROUP FIRST 
(11th CLASS — 2014)
Subjective
SECTION-I
TIME: 3.10 Hours
MARKS: 83

2. Write short answers any Eight (8) questions of the following 16

• Give the significance of the study of fossils
• Define Phyletic Lineage. Give its importance
• What are esters? Give their production by giving an example
• What are cofactors? Give their role
• Give any two characteristics of enzymes
• Give the concept of induce fit model of enzyme action
• Differentiate between spiral and radical cleavage
• Give any two parasitic adaptations of the flatworms
• Give any two reptilian features of archaeopteryx
• Give salient features of class Myriapoda of Phylum arthropoda
• Define Plasmolysis and deplasmolysis
• Give any two reasons for thrombus formation

3. Write short answers any Eight (8) questions of the following 16

• What are different types of respiration in bacteria?
• Write a note on Brown algae
• Write a note on Plasmodium causing disease
• Give the examples, form and mode of locomotion of Zooflagellates
• Give the structure and mode of life of Pelorayxa palustris
• Name two vegetative and two reproductive evolutionary characters of Tracheophyta
• How spores of mosses and liverworts differ ?
• How Thylakoids and chemiosmosis are linked?
• Compare non cyclic electron flow with cyclic electron flow
• Give the names and position of the salivary glands in man
• Discuss the role of Trypsin in digestion
• Write a note on botulism

4. Write short answers any Six (6) questions of the following 12

• What are two subunits in Ribosome and how their attachment is controlled?
•  Compare cisternae with cristae
• What are prions ? Name two diseases they cause
• Name methods of Asexual Reproduction in Fungi
• Distinguish rusts from smuts
• Differentiate between Bronchi and bronchioles
• What is Pleura?
• Write two properties of Respiratory surfaces in animals
• What is Photorespiration ?

SECTION-II

Note: Attempt any Three questions from this section 8x3= 24

Question#5
(a) How environment can be protected and conserved ?
(b) Discuss economic gains due to fungi

Question#6
(a) Discuss the types of RNA
(b) Describe the adaptation of Bryophytes for life on land

Question#7
(a) Write a note on primary structure of protein
(b) Draw the labeled sketch of Kreb's cycle

Question#8
(a) Draw infection cycle of HIV
(b) Describe digestion in oral cavity of man 

Question#9
(a) Describe characteristics of eyano-bactria
(b) Write down functions of blood (any eight)

SECTION - III
(PRACTICAL)

10. Attempt any three parts from A, B ,C, D and E 5x3 = 15
(A) (i) Describe Millon's test for confirmation of Proteins 3
(ii) Name the food stuffs which are rich source of proteins 2
(B) (i) You are given the flower of solanum nigrum, Describe in technical terms of its following parts 3
(a) Calyx
(b) Gynoeciurn
(c) Androecium
(ii) What is superior ovary? 2
(C) Sketch and label the diagram of digestive system of frog 5
(D) (i) Write procedure how would you investigate the bacteria in fresh an stale milk 3
(ii) What are Grain positive and Grain negative bacteria? 2
(E) Give one reason for identification of the following 5
(a) Volvox
(b) Euglena
(c) Male cone of pinus
(d) Amoeba
(e) Ulothrix.