All vertebrate embryos show some similarities at an early stage. Mentions two such similarities. What do they indicate? Explain?

Mention two similarities between A turtle and pila.

Mention two similarities between A frog and crocodile.

The side of two similar triangles are 4:9. What is the ratio of their area?

Choose the correct alternative and write its alphabet against the sub question number: Similarities in the initial stages indicate the ……evidence.

In case of sexual reproduction, newborn shows similarities about characters. Explain this statement with suitable example.

In case of sexual reproduction, newborn shows similarities about characters. Explain this statement with suitable examples.

It is said that elemental composition of living organisms and that of in animate objects (like earth's crust) are similar in the sense that all the majorelements are present in both. Then what would be the difference between these two groups? Choose a correct answer from among the following:

Compare and Observe the schematic of thermal power plant and the nuclear power plant. Discuss what are the similarities and differences between the two?

A plant species shows several morphological variations in response to altitudinal gradient. When grown under similar conditions of growth, the morphological variations disappear and all the variants have common morphology. What are these variants called?

Go through the Modern periodic table (fig2.1) and write the names one below the other of the elements of group 1. What similarity do you find in their electronic configuration?