Assertion (A): In general, gene gun method is used to insert DNA into the competent host. Reason (R): In biolistic method, cells are bombarded with DNA coated with microparticles of gold.
Malachite is a mineral of metal ‘X’. Its composition is:
Match the following:
Observe the following reaction sequenceCorrect statement regarding Y is
Choose the incorrect statements related to internal organization of plants: I. Stomata regulate the process of photosynthesis and gaseous exchange. II. In bicollateral vascular bundles, xylem and phloem are situated at the same radius of vascular bundles. III. Monocot root has more xylem bundles compared to Dicot root.
Identify the incorrect statements regarding blood groups: Statements:(1) The mother with Rh\(^{-}\) blood group develops passive immunity on administering IgM antibodies.(2) Isoagglutinogens are sugar polymers bound to fatty acids on the RBC membrane.(3) The alleles for Rh factor are located on three different loci on chromosome pair 9.(4) The expression of ABO blood types in man is by three alleles of a single gene.