Study the given compound and select the correct option. NH N NH It is a component of RNA only It is a component of RNA and DNA It is a nucleoside It is a nucleotide

Study the given table and select the correct option :

Study the given animal and select the correct option for this animal :

Study the given chart and select the correct option w.r.t. genetic disorders.

Study the following given table and select the correct option that represents the letters.

Compare the components that constitute DNA and RNA.

Read the given statements and select the correct option, Statement 1 : Restriction endonuclease enzymes recognise a specific palindromic nucleotide sequence in the DNA Statement 2: Restriction endonuclease enzymes are called as molecular scissors or biological scissors.

Read the given statements and select the correct option. Statement 1 : Study of a single individual or a population in relation to environment is called autecology. Statement 2 : Study of group of individuals or a community in relation to environment is known as synecology.

Study the given statements about gymnosperrms and select the correct option. (i). Mode of fertilisation is siphonogamy (ii). Male and female cones are borne on same tree in pinus. (iii). Endosperm represents female gametophyte.

Read the lgiven statements and select the correct option . Statement 1 : Ribozymes are RNA molecules which catalyse the synthesis of certain specific RNAs and removal of introns from mRNA. Statement 2 : Ribozymes are proteinaceous enzymes.

Identify the labels X and Y in the given outline of N_(2) cycle and select the correct option.