Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

The extinction of passenger pigeon was due to

If dwarf pea plant was treated with Gibberellic acid, it grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant then the phenotypic ratio of is likely to be

The major forest types found in India is:

The enzyme involved in transcription is:

Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex ?

The main function of fimbriae of Fallopian tube is

Bisexual flowers which never open, demonstrate

The components of nucleotide are-

In following which species numbers is highest ?