Q. Cellular totipotency is shown by : (a) Gymnosperm cells (b) All plant cells (c) Only bacterial cells (d) All eukaryotic cells Solution : Correct option : B Plant grows by increasing…
Q. Green potatoes are toxic due to : (a) Solanine (b) Phytoalexins (c) Triazene (d) Hormones Solution : Correct option : A Solanine is a glycoalkaloid poison found in species of the…
Q. Somatic cell hybrids are produced with the help of : Polyhydroxy glycol Polyethylene glycol Polyvinyl glycol Polypropylene glycol Solution : Correct option : B Somatic fusion, also called protoplast…
Q. Greatest threat to genetic diversity in agricultural crops is : (a) Extensive use of insecticides and pesticides (b) Extensive mixed cropping (c) Introduction of high yielding varieties (d) Extensive…