Jee advance :3

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

What are areas which have been responsible for the recent advances in biotechnology.

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

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

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.

The distance advanced by the screw of a screw gauge is 2 mm in 4 rotations. Its cap is divided into 50 divisions. There is no zero error. If the screw reads 3 divisions on the main scale and 32 divisions of the cap, then the diameter (in mm ) of the wire is

[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.