Why is the colour of a leaf kept in the dark frequently becomes yellow , or pale green? Which pigment do you think is more stable?
1 AnswerSuppose there were plants that had a high concentration of Chlorophyll b, but lacked chlorophyll a, would it carry out photosynthesis? Then why do plants have chlorophyll b and other accessory pigments?
1 AnswerRuBisCO is an enzyme that acts both as a carboxylase and oxygenase. Why do you think RuBisCO carries out more carboxylation in C4 plants?
1 AnswerEven though a very few cells in a C4 plant carry out the biosynthetic – Calvin pathway, yet they are highly productive. Can you discuss why?
1 AnswerBy looking at which internal structure of a plant you can tell whether a plant is C3 or C4? Explain.
1 AnswerBy looking at a plant externally , can you tell whether a plant is C3 or C4? Why and how?
1 AnswerAnalyse the events during every stage of cell cycle and notice how the following two parameters change (i) number of chromosomes (N) per cell (ii) amount of DNA content (C) per cell
1 AnswerCan there be DNA replication without cell division?
1 AnswerCan there be mitosis without DNA replication in ‘S’ phase?
1 AnswerDiscuss with your teacher about (i) haploid insects and lower plants where cell-division occurs, and (ii) some haploid cells in higher plants where cell-division does not occur.
1 AnswerSourav PanSourav PanSourav Pan
RimaRimaSourav PanSourav PanSourav PanSourav PanSourav PanEarn points by:
Badges are awarded based on your ranking and total points.
To continue with the best experience: