Solve your Ignou Doubts

Petrifaction 

Endospore

Algal blooms 

Give a elaborate account about the significance of lichens

Describe the different forms of lichen? 

What are the symptoms and control measures of early blight of potato?

Discuss the mechanism of Crozier and clamp connection in Ascomycota and Basidiomycota. 

Describe the structure of root and stem of Pinus. Discuss the importance of Pinus as a major source of timber.

Write a note on glossopodium. 

Explain the mode of reproduction in Equisetum with special reference to sporangiophore structure. 

How pteridophytes are different from bryophytes? Discuss. 

How do the bryophytes serve as indicators of pH and pollution? 

Describe the structure of basidiocarp of Agaricus with the help of a well labelled diagram. 

Write a note on blue green algae as a major source of biofertilizer

Describe the morphology and mode of reproduction of Polysiphonia with labelled diagrams.

Give an exhaustive overview of the economic importance of bacteria. 

Write a brief note on the mechanism of conjugation in bacteria.

Describe the structure of tobacco mosaic virus with the help of a well labelled diagram.

Write ‘T’ if you consider the statement as true and ‘F’ if the statement is false.  (½× 5= 2½)

a) Peripheral line can be used for TPN if glucose concentration is below 15%. (T/F)
b) Swollen baby face occurs in Hemolytic disease. (T/F)
c) The normal head circumference of the new born is 33-35 cms (T/F)
d) Small for date babies have less glycogen store in their liver and less subcutaneous fat stores.(T/F)
e) Maternal smoking and alcohol intake causes fatal growth retardation. (T/F) 

a) Yellow, thick and sticky milk containing more antibodies and white blood cells is called…………………
b) Stimulation to development of innate abilities comes from ……………………..
c) The Gross deficiency of proteins is called …………………….
d) Complementary foods should be given ……………… times daily to a non –breastfed baby.
e) Frozen milk is thawed by placing the milk container in …………………..