(11th CLASS -12013)
BIOLOGY GROUP FIRST
TIME: 20 MINUTES
(OLD COURSE)
MARKS: 17
OBJECTIVE
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 the circles. Cutting or filling two o. more circles will result in zero mark in that question.

Question#1

• Which one is a community interaction
  
  (A) Predation
  (B) Parasitism
  (C) Comparison
  (D) All of these
  
  
• The bond between two amine acids is
  
  (A) Peptide linkage
  (B) Glycosidic linkage
  (C) Ester linkage
  (D) None of these
  
  
• Enzymes attached to mitochondira are involved in
  
  (A) Respiration
  (B) Digestion
  (C)Photosynthesis
  (D) Excretion
  
  
• Chloroplasts contain
  
  (A) Proteins
  (B) Ribosomes
  (C) DNA
  (D) All of above
  
  
• Tumor viruses are spherical with diarr eter
  
  (A) 10 nm
  (B) 50 nm
  (C) 70nm
  (D) 100 nm
  
  
• Which of the following processes is not related to mesosomes
  
  (A) DNA replication
  (B) Protein synthesis
  (C) Cell division
  (D) Export of enzymes
  
  
• The shells of foraminiferans are formed of
  
  (A) Protein
  (B) Calcium
  (C) Silica
  (D) Phosphorus
  
  
• Common smut fungi are the species n' the genus
  
  (A) Rhizopus
  (B) Puccinia
  (C) Usnilago
  (D) Agaricus
  
  
• Which of the following resembles seed plants in having heterospory
  
  (A) psilotum
  (B) Tmesipeteris
  (C) Selaginella
  (D) Lycopodium
  
  
• Which psilopsid is living
  
  (A) Homeophyton
  (B) Psilophyton
  (C) Cooksonia
  (D) Psitotum
  
  
• Ancyclostoma duodenale is a commor
  
  (A) Pin worm
  (B) hook worn
  (C) Earth worm
  (D) Ring worm
  
  
• Which one is not a cephalopod
  
  (A) Loligo
  (B) Sepia
  (C) Limax
  (D) Octopus
  
  
• The complete break down of glucose molecule occurs only in the presence of
  
  (A) CO₂
  (B) 0₂
  (C) NH₃
  (D) H₂O
  
  
• The main function of sodium bicarbonate present in saliva is
  
  (A) To kill microorganisms
  (B) To digest food
  (C) To Stabilize PH of food
  (D) None of these
  
  
• During photorespiration glycolate pro, luced diffuses into
  
  (A) Mitochondria
  (B) Peroxysomes
  (C) Glyoxysomes
  (D) Mesosome
  
  
• The complete four chambered heart appeared first in
  
  (A) Frog
  (B) Crocodiles
  (C) Buns
  (D) Mammals
  
  
• The cells that become macrophages al er 10 -20 hours are
  
  (A) Basophylls
  (B) Eosinophyll
  (C) lymphocytes
  (D) Monocytes

BIOLOGY
GROUP FIRST
TIME: 2:40 HOURS
(OLD COURSE)
SUBJECTIVE MARKS :65
SECTION-I

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

• Define phyletic lineage
• Define the resolution of human eye and write its value
• Compare ribosomes of prokaryotic with eukarymic cell
• Write the names of five kingdoms according to Whitaker
• Classify the com
• Differentiate between ribosomes and polysomes
• Define bioenergetics'
• What is glycolysis ?
• Write the formula of chlorophyll a and b
• What are macrophagous feeder? Wits example
• Define digestion and write the name of its stages
• What is gizzard? Write its function in Cockroach?

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

• Which kinds of interactions are present in tertiary structure of proteins?
• How glycosidic bond is formed?
• Water is a thermostable compound, comment
• I Why enzymes are secreted in inactive forms?
• Differentiate between Gram +ve and Gram -ve bacteria
• What are the misuses of antibiotics?
• Why selaginella is called ancestor of recipients?
• What is double fertilization?
• Compare the inflorescence of family solanaceae and fabaceae
• Define water potential and give its value for pure water
• What are casparian grips ? Give its role
• Differentiate between systolic and diastolic pressure

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

• Name the locomotory structures in Amoebae. Also name the bacterium causing Amoebic dysentery
• Write down any two features of brown algae
• Name non hyphal fungi. In which group of fungi does they belong
• Why rusts and smuts are named so?
• Differentiate between Diploblastic and Triploblastic animals with examples
• Define polymorphism. What is the function of nematocysts in Coelenterates?
• Differentiate between Larynx and Sirynx
• What is the % age of CO₂ carried by the arterial and venous blood
• What happens during inspiration in humans?

SECTION-II

Note: Attempt any Three questions from this section (8 x 3=24)
Question#5
(a) Give the primary structure of proteins
(b) Discuss absorption in small intestine

Question#6
(a) Explain different types of plastids
(b) Write down the transport of oxygen in human beings

Question#7
(a) Write the characteristics of Viruses
(b) Write the general characters of Phylum Arthropoda (at least six)

Question#8
(a) Describe Sexual reproduction in Fungi
(b) Describe the adaptations of Bryophytes to land habitat

Question#9

Give an account of non-cyclic and cyclic Phosphorylation (5+3)