Biology Long Questions Guess Paper 11th Class 2015
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BIOLOGY IMPORTANT QUESTIONS WITH DIFFERENT VARIATIONS
Question # 1
Explain the different branches of biology
Question # 2
Differentiate between deductive and inductive reasoning
Question # 3
How diseases generated. Also explain how to prevent them
Question # 4
Explain protein with the help structure and function
Question # 5
Write the Watson and crick model of DNA
Describe in detail the structure and functions of DNA
Describe three main types of ribonucleic acids (RNA)
Difference between DNA and RNA
Question # 6
Simply give the outline of the kreb’s cycle
Describe the steps involved in Kreb’s cycle. Give schematic representation
Explain and sketch Krebs cycle and discuss its energy yielding steps
Question # 7
Give the role of large intestine in human being
Explain the role of small intestine in the absorption if food in man
Question # 8
Explain the evolution of leaf in vascular plants
Explain how the evolution of leaf takes place
Describe the process evolution of microphylls leaf
Explain life cycle of an angiosperm plant
What are lateral meristems? What role do they play in plant growth?
How do plants adapt to cope with low and high temperatures?
Compare parasitic and symbiotic nutrition in plant
What factors are involved in the exchange of respiratory gases in the capillaries of alveoli?
Question # 9
Compare and contrast the closed and open circulatory system
Illustrate the mechanism of opening and closing of stomata
How influx of K* ions explain the opening and closing of stomata
Question # 10
Describe the biological method for solving a problem
Describe biological organization at organ and system level
Question # 11
Explain different types of asexual reproduction in fungi
Give the beneficial important of fungi
Explain various economics gains due to fungi
Explain taxonomic status of fungi
What do you know about nutrition in fungi?
Describe land adaption of fungi
Write a note on “Inhibitors in Fungi”
Question # 12
Give mechanism of enzyme action
What are the characteristics of enzymes?
Write a note on inhibitors of enzymes
Define inhibitors. Also explain its types
Question # 13
Write the general characteristics of the mammals. Also gives example to support your answers
State the sub-classes of mammals and give one example of each
Question # 14
Give lytic life cycle of bacteriophage. Show your answer with diagram
What is the use of bacteriophage in creating a genomic library?
Question # 15
Explain the phenomenon of root pressure
Describe cohesion tension theory and root pressure theory of ascent of sap
Question # 16
Discuss various steps involved in the evolution of seed habit
Question # 17
Describe habitat and reproduction in Nostoc
Describe characteristics of Nostoc
Describe the adaptation to land habitat
Describe the land adaptations show by bryophytes
Explain general characteristics of cyan bacteria with special reference of Nostoc
Question # 18
Transpiration is necessary evil. Comment
Explain the mechanisms of different types of transpiration in plants
Define transpiration. Also list the types of transpiration
Question # 19
Write structure and function of human heart
What is the conducting system of heart?
Draw a labeled diagram of human heart
What do you mean by blue babies?
Question # 20
Explain process of digestion in cockroach
Describe digestion in stomach of man
What happens to food inside stomach?
Describe the role of pancreas and liver in food digestion in human
What are the functions of human liver?
Write a note on digestion in oral cavity of man
How does digestion take place in amoeba?
Question # 21
Write the process of non-cyclic phosphorylation
Describe cyclic phosphorylation with the help of a diagram
Question # 22
What are polysaccharides? Describe different types.
Question # 23
Sketch and describe the metabolic pathway of glycolysis
Question # 24
Describe any four methods of nutrition in animals
Differentiate between diploblastic and triploblastic animals
Question # 25
Define antibiotics. Explain about use and misuse of antibiotics
Question # 26
What are plastids? Explain the structure and function of chloroplast.
Question # 27
Describe transport of CO2 in human
Explain transportation of oxygen in man
Question # 28
What is cell theory?
In what ways prokaryotic cells are different from eukaryotic cells?
Explain any two double membranes bounded cytoplasmic organelles of a eukaryotic cell with the help of labeled diagram
Question # 29
Describe different methods to control bacteria
Describe nutrition in bacteria
Classify the bacteria with reference to presence of flagella
Describe different bacterial shapes
Describe the process of reproduction in bacteria
Question # 30
Write in details the functions performed by blood in humans
What are the phases of cardiac cycle?
Question # 31
What are the general characteristics of cnidarians?
What are the general characteristics of super class agnatha?
Question # 32
Explain the life cycle of a moss
Question # 33
How are ATPs produced by chemiosmosis?
Explain how the formation of ATP take place during noncyclic electron flow.
Question # 34
Write the distingising features of family fabaceae and mention any four scientific names and their economic importance of the members of fabaceae
Give economic imporatance id family poaceae
Question # 35
Define immunity. Describe various types of immunity
Question # 36
What 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 deutrostomes
Question # 39
Synthesis of sugar takes place in light independent reaction
Question # 40
What is Calvin cycle? Explain reduction and regeneration of CO2 acceptor. Also draw the diagram
Question # 41
Discuss the structure and function of endoplasmic reticulum
Question # 42
Define binomial nomenclature. Give its rules
Describe Linnaeus system of binomial nomenclature in detail
Question # 43
What are lymph nodes? Give their functions
Question # 44
Compare monosaccharides with oligosaccharides
Question # 45
Write down different characters of birds
Question # 46
Draw and explain the life cycle of rhizopus
Question # 47
Describe life cycle of loose smut of wheat with the help of diagram
Question # 48
Describe different steps involved in the evolution of megaphyll
Question # 49
What are viruses? Give their three characteristics
Describe structure of viruses
Question # 50
Give general characteristics of phylum porifera
Give the characteristics of round worms
Question # 51
Write a note on following:
Phyletic Lineage, Cloning, Hiv Life Cycle, Hepatitis, Conjugated Molecules, Ribosomes, Photo System, Acylglycerols, Algae, Lysosomes