Mohl's half leaf expt diag.(fig) (a) What are the colours of Q and R portions of leaf when
the leaf is tested for starch using iodine solution?
(b) What is investigated by this experiment?
(c) Name the substance used to absorb carbon dioxide.
(d) Name the factors needed for photosynthesis,
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correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

the tricuspid valve is present between right atrium and right ventricle

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.