BIOLOGY
GROUP FIRST (OLD COURSE)
(11th CLASS — 2015)
(ACADEMIC SESSION : 2011 – 2013)
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

• One of the following elements constitutes 65 % of total mass of human body.
  
  (A) Carbon
  (B) Hydrogen
  (C) Oxygen
  (D) Nitrogen
  
  
• Glycosidic bond is a
  
  (A) Carbon
  (B) Hydrogen
  (C) Oxygen
  (D) Nitrogen
  
  
• The optimum pH for sucrose enzyme is
  
  (A) 2.00
  (B) 4.50
  (C) 5.50
  (D) 6.80
  
  
• Organelle found in both prokaryotic and Eukaryotic cells
  
  (A) Ribosornes
  (B) Mitochondria
  (C) Chloroplast
  (D) Nucleus
  
  
• A Eukaryotic organist with absorptive mode of nutrition and has cell wall made up of chitin, to which kingdom does it belong?
  
  (A) Animalia
  (B) Fungi
  (C) Plantae
  (D)Protista
  
  
• Which structure of bacteria helps it DNA replication
  
  (A)Plasmid
  (B) Mesosomes
  (C)Nuclecod
  (D) Cyst
  
  
• Cell wall of oomycotes is composed of
  
  (A) Chitin
  (B) Cellulose
  (C) Peptidoglycan
  (D) Silica
  
  
• One of the followings is a non hyphal fungus
  
  (A) Yeast
  (B) Penicillitrn
  (C) Rhizopus
  (D) Alternaria
  
  
• Male gametaphyte of seed plants is
  
  (A) Anther
  (B) Embryo sac
  (C) Ovule
  (D) germinated pollen grain
  
  
• Ferns belong to class
  
  (A) Filicinae
  (B) Angiospermae
  (C) Musci
  (D) gymnospermae
  
  
• The shell producing tissue of Molluscs is known as
  
  (A) Radula
  (B) Mantle
  (C) Haemocyanin
  (D) Nephridium
  
  
• A marsupium is found in
  
  (A) Prototherians
  (B) Eutherians
  (C) Metatherians
  (D) All mammals
  
  
• The light wave lengths least absorb id by chlorophylls is
  
  (A) Red
  (B) blue
  (C) Violet
  (D) green-yellow.
  
  
• The enzyme which is not secreted by the pancreas
  
  (A) Trypsin
  (B) Amylase
  (C) Lipase
  (D) Enterokinase
  
  
• The residual volume of air in human beings which cannot be expelled even during exercise
  
  (A) 1.5 L
  (B) 3.5 L
  (C) 0.5 L
  (D) 5 L
  
  
• Casparian strips are present in
  
  (A) Cortex cells of roots
  (B) endodermis cells of roots
  (C) Pericycle cells
  (D) Phloem cells
  
  
• The heart of cockroach has _____________ chambers
  
  (A) 13
  (B) 14 
  (C) 4
  (D) 5

BIOLOGY
GROUP FIRST (OLD COURSE)
(11th CLASS — 2015)
(ACADEMIC SESSION : 2011 – 2013)
Subjective
SECTION-I
TIME: 2.40 Hours MARKS: 68

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

• Define Parasitology, and physiology
• Define Biome
• Differentiate Nucleoside and Nucleotide
• Define glycosidic bond
• Differentiate between pepsin and pepsinogen
• Differentiate between prosthetic group and coenzyme
• Write two function of lysosome
• Write two differences between Prokaryotic cell and Eukaryotic cell
• What are the salient feature of cell theory?
• What are obligate intracellular parasite. Give example
• What are prions. Name disease caused by them
• Define virus

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

• Write the difference between tetrad and Sarcina.
• Differentiate between Antiseptic and Disinfectant.
• What is Giant Amoeba?
• Differentiate between Foraminiferons and Actinopods.
• What is meant by budding? Give one example.
• Differentiate between Rust and Smut disease
• Differentiate between Hamospory and Heterospory
• What is double fertilization ?
• Differentiate between parallel end reticulate venation.
• What is polymorphism ? Give One example
• What are swim bladders, also write its function.
• Differentiate between Ostia and Osculum.

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

• What is biological oxidation?
• What is the role of H₂O during Photosynthesis?
• What are the causes and effects of ulcer ?
• Why food is digested in animals?
• What is respiratory Distress Syndrome'
• Compare the respiratory medium of air sad H₂O
• Differentiate between open and closed circulatory system
• What is active immunity?
• Names the factors responsible for bleeding in plants

SECTION-II
Note: Attempt any Three question from this section 8X3 = 24

Question#5
(a) Write a detailed note on cloning
(b) Write Economic losses due to Fungi

Question#6
(a) Describe the primary structure of protein in derail
(b) Write the digestion in duodenum of Man

Question#7
(a) Give an account of enzyme inhibitors
(b) Define Glycolysis. Where it takes place? Draw an outline to show steps of Glycolysis (No description required)

Question#8
(a) Prove through examples that cell is the unit of structure and functions in living being
(b) Explain the breathing mechanism in human

Question#9
(a) Write the importance of bacteria
(b) Explain the structure of human heart

BIOLOGY
GROUP FIRST
(11th CLASS — 2015)
(ACADEMIC SESSION : 2012- 14 to 2014-16)
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#11

A group of living organisms of the s me species located in liesameplaceatthesametimets
(A) Biosphere
(B) Biome
(C) Community
(D) Population

The potential source of chemical energy for cellular activities
(A) C -H Bond
(B) C - N Bond
(C) C -O Bond
(D) C - C Bond

The optimum temperature of human body enzymes is
(A) 27° C
(B) 37° C
(C) 47° C
(D)57° C

The resolution of human naked eye is
(A) 1 mm
(B) 1 um
(C) 1 nm
(D) I cm

Lytic cycle completion occurs about
(A) 15 min
(B) 25 min
(C) 35 min
(D) 05 min

Primarily involved in conjugation between bacterial cells
(A) Flagella
(B) Slime
(C) Capsule
(D) Pili

Tests of Actinopods are made of
(A) Calcium
(B) Stone
(C) Chalk
(D) Silica

Each ascus comprise Ascospores

(A) 04
(B) 08 
(C) 12
(D) 03

All seed producing plants are called

(A) Bryophytes
(B) Arthrophytes
(C) Note of them
(D) Spermatophytes

Roundworms are
(A) Acoelomates
(B) Pseudocoelomates
(C) Coelomates
(D) None of them

Nephridia are excretory structures of
(A) Sponges
(B) Annelids
(C) Arthropods
(D) None of them

Carbondioxide enters the leaves through

(A) Epidermis
(B) Cuticle
(C) Air Spaces
(D) Stomata

Daily rhythmic opening and closing of stomata is
(A) Internal clock
(B) External lock
(C) Both internal and external
(D) None of them

In Amoeba digestion is:
(A) Intra cellular
(B) Extra cellular
(C) Both intra cellular and Extra cellular
(D) No Digestion

Parabranchi are present only in the lungs of
(A) Man
(B) Frog
(C) Cat
(D) Birds

The shrinkage of protoplast of a cell
(A) Deplasmolysis
(B) Incipient Plasmolysis
(C) Guttation
(D) Plumolysis

Temperature causes closure of stomata
(A) 30 - 40 °C
(B) 30 - 35 °C
(C) 25 - 35 °C
(D) 40 - 45 °C

BIOLOGY
GROUP FIRST
(11th CLASS — 2015)
(ACADEMIC SESSION : 2012- 14 to 2014-16)
Subjective
SECTION-I
TIME: 3.10 Hours
MARKS: 83

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

• What is integrated disease management?
• Differentiate between population and community.
• Why Glycogen is called animal starch?
• How does High temperature effect Enzyme activities?
• Write a note an' Active Site" of an Enzyme.
• Define cofactor with an example.
• Give the biological classification of "CORN".
• What is peptidoglycan?
• What is “Histoplasmosis”? Give its causes
• What is the importance of Mycorrhizae for plants?
•  Whets double fertilization?
• What ate amphibious plants of the world?

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

• Define fluid mosaic model of cell membrane.
• What are nuclear pores? What is their function?
• What do you know about amoebae? 
• What are symbiotic zooflagellates? Give one example.
• Write a tote on Euglenoids.
• What is importance of Algae?
• What is radial and indeterminate cleavage?
• What is polymorphism?
• What is haemocyanin?
• Discuss about the brain of Octopus.
• What is bioenergetics ?
• Write down the molecular formula of Chl. a and Chl. B.

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

• Name the various types of Salivary gland in Man.
• Differentiate between Nutrition and Nutrient.
• Differentiate between Chyme and Bolus.
• Write any two properties of Respiratory Surface in Animal.
• Why Air is better Respiratory medium than water.
• What are counter current exchange and parabronchii.
• Name some Respiratory disorder and explain anyone.
• Define immunity and Give its two types.
• Differentiate between water paternal sad solute potential.

SECTION-II
Note: Attempt any Three question from this section 8x3=24

Question#5
(a) Differentiate between deductive and inductive reasonings with examples.
(b) Desc6e and draw life cycle of Rhizopus.

Question#6
(a) Show be similarities and differences in structure and functions of Mitochondrion and Chloroplast.
(b) Sketch the Krebs cycle and discuss ire energy yielding steps.

Question#7
(a) How HIV is transmitted ? Sketch its infectious cycle.
(b) Compare filter feeders and fluid feeders.

Question#8
(a) Describe the life cycle of angiospermic plant.
(b) Discuss the importance of water

Question#9
(a) Write a aloe on cyenobacteria.
(b) What is Myocardial infarction ? Explain.

SECTION –III (PRACTICAL)
Question#10
Attempt any of three parts of A, B, C, D and E 5x3 =15

(A) (i) You are provided with egg albumin and Millon's reagent. Write Biochemical test for its presence 3
(ii) Define proteins. Give its any two functions.
(B) (i) You are provided with flower Rosa indica in technical terms of following parts
(a) Calyx
(b) Corolla
(c) Androecium
(ii) Differentiate between Actinomorphic and Zygomorphic.
(C) Sketch and Label the Diagram of Digestive System of Cockroach.
(D) (i) Write the Material and Procedure for measuring Transpiration by Potometer.
(ii) Define Transipration, Write only name of factors that affect Transpiration
(E) Give one character of each to identify the following specimen
(i) Nostoc
(ii) Chlorella
(iii) Paramecium
(iv) TS of Monocot stem
(v) Male cone of Pinus