A purple colour was obtained when sodium hydroxide solution and a drop of copper sulphate solution were added to a food substance. The food substance is likely to be a Posted on:
The removal of all the phloem tissues of the stem of a plant close to the root system for a long period of time is likely to Posted on:
The process whereby electrons are emitted from chlorophyll and returned to it unchanged is known as Posted on:
What will be the chromosome number of the hybrid of two varieties of a plant with 36 chromosomes in the endosperm cell? Posted on:
During sexual reproduction in Paramecium, how many times does the zygote divide to produce eight nuclei? Posted on:
