STD 11 - 4. Animal kingdom — NEET STD 11 Science — Question

Which of the following statements are incorrect ?
(i) Genes which code for a pair of contrasting traits are known as alleles, i.e., they are slightly different forms of the same gene.
(ii) T is used for the tall trait and t for the 'dwarf, and T and t are alleles of each other.
(iii) Allele may be homozygous, TT and tt, or heterozygous Tt.
(iv) To determine the genotype of a tall plant at F₂, Mendel crossed the tall plant from F₂, with a dwarf plant. This is called as test cross.
(v) In a typical test cross an organism showing a dominant phenotype is crossed with the any parent instead of self - crossing.
(vi) Based on his observations on monohybrid crosses Mendel proposed three general rules.

Cu ions released from copper releasing intra uterine devices (IUDs):

The mouth parts of cockroach are

The junction between the axon of one neuron and the dendrite of the next is called

Which of the following is the function of Insulin?

Which of the following symbiotic association is not useful as biofertilizer

Universal donor is