Friday, 1 May 2015

Old Paper for biology



N In (1.ASN - 120Irri • TIME 2.40 HOURS MARKS: 08 SUBJE.CTI5'E 
 NOTE:Attempt any Twenty two (22) questions from Section-I and Thres quest:on: from Section-II fl.C71OrsI•t 
2. Write short answers of aoy Twenty two (22) quesrions of the follow 
tag 44 Ill What am noonagellates Give two exanntes (s) What is Chloral!, ?Give its uses toil Name any two living genera of Esilophyta (iv) What is double (animation ? In which group of plains is it prosent ? (v) Name any Iwo hcnolicial insects aril their products (n) Name any Iwo types of larvae found in Echinoderms showing bilateral symmetry (vii) What is syn. ? When, is it situated ? (min What are the roles of antenna complex and reaction centre of photo system in thylakoid membrane (m) What are the stages of cellular respiration ? Ix) Name the phases of calvin cycle (xi) Compare homospoious plants with hewn, sporoos plants (Kai) What is endocytosis ? (Xiiff Chtlerentiate between Chromoplast and losers/lido (nix') State the symptoms of small pox (so) Dclinc virology (evil What are yeasts ? Ovii) What is histoplasmolysis Pillar IN ItS f ay iii) Derive Oct gas caching,- al comp.:its:mini point (xis) How much energy is released by the breakdown of a ATI' v•olecule 7 (xx) What are stomata ? Gisc than approximate Dunne, in Laves of tobacco plant? (.i) Distinguish between Oityhsemoslobin and carboxyhateinogiobin (nail) What is carcinoma -, Won) Give the names and percentage of six ',Melanie:11s thin form no pan of the human body Ionic) What Is bioremodiation (xxv) What is cell fractionation ? (axvi) Derscnbe the structure of nucleolus (xxvii/ What arc amphitnehous and pentrichous bacteria ? fxxviti)Differcimate between antiseptics and disintemants (axis) What are rnycorrhinae ? Name their two types (tom) What are ascoutrps ? (sun) List four main functions of oral cavity in man (ruit) What is the composition of gastric juice ? (xxxni) What arc deintivorm ? Give an example 
SECTION-II  
Note: Attempt any Three questions from thb section 8x3a24 3
.(a) Write a note on tines and misuses of antibiotics 5 
(b) Describe bnefly the process of nutrition in insectivorous plants 3
 4.(a) What do you know about polysaccharides ? 4 
(b) Desaibe the evolution of seed habit 4 5.
(a) Explain the factors affecting the rate of Enzyme action 4 
(b) Narrate the Economic losses of Fungi 4 
6.(a) Explain different phases of growth in bacteria 4
 (b) Describe the general characteristics of phylum arthropoda 4 
7. Explain the life cycles of Bacteriophagcs with diagram 8 

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