STD 11 - 2. Biology classification — NEET STD 11 Science — Question

In monocotyledons, they do not form secondary phloem and xylem why?

In an angiosperm, male plant is diploid and female plant is tetraploid then endosperm will be

Single cell which is present in the micropylar region of the nucleus and it develops

It is not "The evil quartet" for biodiversity loss.

Identify the correctly matched pair.

The phenomenon in which, anther and stigma grow and mature at same time is called

Which scientist classified plants into trees, shrubs and herbs and animals into two groups based on absence or presence red blood cells?

Which of the following statements is incorrect about gymnosperms?

Assertion : It is believe that the first cell on this planet lived in an atmosphere that lacked oxygen.
Reason: Living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen.

Flagella with single strand and composed of flagellin is found in