Variants of endosperm.

Abscission of leaves and fruits, and

Production of haploids by tissue culture,

Morphological changes accompanying floral induction,

Storied and non-storied cambium

Cross-section of fruit of Pyrus malus

Apomixis types

Types of ovules

Explain the role of language in evolution of human culture.

Describe two specific skills of Homo erectus that make the species stand apart from all the predecessors.

Discuss the trends in human evolution.

Explain how genetic repatterning can occur during isolation.

Describe the mechanisms of speciation.

With the help of an example explain how interspecific competition results in evolution of co adapted communities.

Discuss the sources and expression of variability.

Discuss the role of Cytochrome C in establishing the evolutionary relationship among various species.

Give an account of geological time scale citing the biological features.

Compare between Lamarckism and Darwinism with the help of examples.

 Importance of national parks

Type specimens