MCQ
Plant tissues can be separated into single cells by using:
- ACellulase and pectinase
- BCellulase and auxins
- CCellulase and peg
- DAuxins and cytokinins
Explanation:
Plant cells are surrounded with a cellulosic cell wall. Between adjacent plant cells is present middle lamella. The middle lamella is made up of calcium and pectin. Hence, plant cells of a tissue are separated from each other with the help of cellulase and pectinase enzymes. These enzymes are commercially used in clearing of fruit juices to dissolve plant fibres.
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Reason : A gene incorporated in the bacterial chromosomal genome-gets automatically transferred to the crop with which the bacterium is associated.
$I.$ Methanogenic bacteria are commonly found in the anaerobic sludge formed during sewage treatment
$II.$ These bacteria are also occur in rumen of the cattle where they act upon cellulosic material to breakdown cellulose
$III.$ They play a very important role in the nutrition of cattle by digesting cellulosic material
Which of the statement given above are correct?