OrDescribe three main types of ribonucleic acids (RNA)

Or Difference between DNA and RNAQuestion # 6 Simply give the outline of the krebs cycle Or

Describe the steps involved in Krebs cycle. Give schematic representation OrExplain and sketch Krebs cycle and discuss its energy yielding steps

Question # 7 Give the role of large intestine in human being OrExplain the role of small intestine in the absorption if food in man

Question # 8 Explain the evolution of leaf in vascular plants OrExplain how the evolution of leaf takes place Or

Describe the process evolution of microphylls leaf OrExplain life cycle of an angiosperm plant Or

What are lateral meristems? What role do they play in plant growth? OrHow do plants adapt to cope with low and high temperatures? Or

Compare parasitic and symbiotic nutrition in plant OrWhat factors are involved in the exchange of respiratory gases in the capillaries of alveoli?

Question # 9

Biology Long Questions Guess Paper 11th Class 2015BIOLOGY IMPORTANT QUESTIONS WITH DIFFERENT VARIATIONSQuestion # 1 Explain the different branches of biologyQuestion # 2 Differentiate between deductive and inductive reasoningQuestion # 3 How diseases generated. Also explain how to prevent themQuestion # 4 Explain protein with the help structure and functionQuestion # 5 Write the Watson and crick model of DNA Or

Describe in detail the structure and functions of DNA

Compare and contrast the closed and open circulatory system OrIllustrate the mechanism of opening and closing of stomata Or

How influx of K* ions explain the opening and closing of stomata

Question # 10 Describe the biological method for solving a problem OrDescribe biological organization at organ and system level

Question # 11 Explain different types of asexual reproduction in fungi OrGive the beneficial important of fungi Or

Explain various economics gains due to fungi OrExplain taxonomic status of fungi Or

What do you know about nutrition in fungi? OrDescribe land adaption of fungi Or

Write a note on Inhibitors in FungiQuestion # 12 Give mechanism of enzyme action Or What are the characteristics of enzymes?

Or Write a note on inhibitors of enzymes Or Define inhibitors. Also explain its types

Question # 13 Write the general characteristics of the mammals. Also gives example to support your answersOr State the sub-classes of mammals and give one example of each

Question # 14 Give lytic life cycle of bacteriophage. Show your answer with diagramOr What is the use of bacteriophage in creating a genomic library?

Question # 15 Explain the phenomenon of root pressure OrDescribe cohesion tension theory and root pressure theory of ascent of sap

Question # 16 Discuss various steps involved in the evolution of seed habitQuestion # 17 Describe habitat and reproduction in Nostoc

Or Describe characteristics of NostocOr Describe the adaptation to land habitat

Or Describe the land adaptations show by bryophytesOr Explain general characteristics of cyan bacteria with special reference of Nostoc

Question # 18 Transpiration is necessary evil. Comment OrExplain the mechanisms of different types of transpiration in plants Or

Define transpiration. Also list the types of transpirationQuestion # 19 Write structure and function of human heart Or What is the conducting system of heart?

Or Draw a labeled diagram of human heart Or What do you mean by blue babies?Question # 20 Explain process of digestion in cockroach Or Describe digestion in stomach of man

Or What happens to food inside stomach? OrDescribe the role of pancreas and liver in food digestion in humanOr

What are the functions of human liver?

Or Write a note on digestion in oral cavity of man Or How does digestion take place in amoeba?Question # 21 Write the process of non-cyclic phosphorylation Or

Describe cyclic phosphorylation with the help of a diagramQuestion # 22 What are polysaccharides? Describe different types.Question # 23 Sketch and describe the metabolic pathway of glycolysisQuestion # 24 Describe any four methods of nutrition in animals

Or Differentiate between diploblastic and triploblastic animalsQuestion # 25 Define antibiotics. Explain about use and misuse of antibioticsQuestion # 26 What are plastids? Explain the structure and function of chloroplast.Question # 27 Describe transport of CO2 in human Or Explain transportation of oxygen in manQuestion # 28 What is cell theory? Or In what ways prokaryotic cells are different from eukaryotic cells?OrExplain any two double membranes bounded cytoplasmic organelles of a eukaryotic cell with the help of labeleddiagramQuestion # 29 Describe different methods to control bacteria Or Describe nutrition in bacteria

Or Classify the bacteria with reference to presence of flagellaOr Describe different bacterial shapes Or Describe the process of reproduction in bacteria

Question # 30 Write in details the functions performed by blood in humans OrWhat are the phases of cardiac cycle?

Question # 31 What are the general characteristics of cnidarians? OrWhat are the general characteristics of super class agnatha?

Question # 32 Explain the life cycle of a mossQuestion # 33 How are ATPs produced by chemiosmosis? Or

Explain how the formation of ATP take place during noncyclic electron flow.Question # 34Write the distingising features of family fabaceae and mention any four scientific names and their economicimportance of the members of fabaceae Or Give economic imporatance id family poaceae

Question # 35 Define immunity. Describe various types of immunity

Question # 36What id double fertilization? Explain the life cycle of the plane in which double fertilization take place

Question # 37 What is the significance of alternation of generation?Question # 38 Differentiate between protostomes and deutrostomesQuestion # 39 Synthesis of sugar takes place in light independent reactionQuestion # 40What is Calvin cycle? Explain reduction and regeneration of CO 2 acceptor. Also draw the diagramQuestion # 41 Discuss the structure and function of endoplasmic reticulumQuestion # 42 Define binomial nomenclature. Give its rules

Or Describe Linnaeus system of binomial nomenclature in detailQuestion # 43 What are lymph nodes? Give their functionsQuestion # 44 Compare monosaccharides with oligosaccharidesQuestion # 45 Write down different characters of birdsQuestion # 46 Draw and explain the life cycle of rhizopusQuestion # 47 Describe life cycle of loose smut of wheat with the help of diagramQuestion # 48 Describe different steps involved in the evolution of megaphyllQuestion # 49 What are viruses? Give their three characteristics Or Describe structure of virusesQuestion # 50 Give general characteristics of phylum porifera Or Give the characteristics of round wormsQuestion # 51 Write a note on following:

Phyletic Lineage, Cloning, Hiv Life Cycle, Hepatitis, Conjugated Molecules, Ribosomes, Photo System,Acylglycerols, Algae, Lysosomes

Biology Long Questions Guess Paper 11th Class 2015BIOLOGY IMPORTANT QUESTIONS WITH DIFFERENT VARIATIONS