Jee advance

According to which phylogenetic system , dicots are advance with sympetalae conditions ?

Chorionic villus sampling technique is more advance than amniocentesis. Why?

A screw gauge advances by 3mm in 6 rotations. There are 50 divisions on circular scale. Find least count of screw gauge

A screw gauge advances by 3mm in 6 rotations. There are 50 divisions on circular scale. Find least count of screw gauge

Which organisms are called primitive and how are they different from the so-called advanced organisms?

Assertion: Mosses are more advanced group of Bryophytes. Reason: Gametophytes of mosses have rhizoids stem like and leaf like structure.

Give four features in which human beings are considered more advanced than apes.

[A] : The heart of birds is more advanced than the four chambered heart of crocodiles. [R]: in the bird s heart, there is a complete elimination of left aorta.

Read the screwgaug shown bellow Main scale has (1)/(2)mm marks In complete rotation the screw advances by (1)/(2)mm Circular scale has 50 division .