Autogamy is the other name of self-pollination where the pollen grains are transferred from the anther to the stigma of the same flower of the plants. Sunflowers, orchids, peas are some examples of autogamy.

Allogamy is the transfer of pollen grain from the anther of one flower to the stigma of another flower either in the same plant or in a different plant of the same species is known as cross-pollination or allogamy.

Porogamy is the fertilization of a seed plant that involves the entry of the pollen tube through the micropyle pore of the ovule. It is the most common method with flowering plants. In a limited number of plants, the pollen tube enters through the chalazal region (chalazogamy).

Mesogamy is the fertilization of a seed plant that involves the entry of the pollen tube through the integument of the ovule. Mesogamy is a type of fertilization observed in all Cucurbit plants like pumpkin, ridge gourds, bitter gourd etc.

Chalazogamy is the fertilization of a seed plant that involves the entry of the pollen tube through the tissue of chalaza is called chalazogamy. For example- Casuarina. Partial chalazogamy is found in Ulmus.

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FUNDAMENTALS OF LIFE SCIENCE Class 10>Chapter 2 - Continuity of Life>REVIEW QUESTIONS

Debajyoti Chattopadhyay and Arup Kumar Mitra Solutions for Chapter: Continuity of Life, Exercise 3: REVIEW QUESTIONS

Author:Debajyoti Chattopadhyay & Arup Kumar Mitra

Debajyoti Chattopadhyay Science Solutions for Exercise - Debajyoti Chattopadhyay and Arup Kumar Mitra Solutions for Chapter: Continuity of Life, Exercise 3: REVIEW QUESTIONS

Attempt the free practice questions on Chapter 2: Continuity of Life, Exercise 3: REVIEW QUESTIONS with hints and solutions to strengthen your understanding. FUNDAMENTALS OF LIFE SCIENCE Class 10 solutions are prepared by Experienced Embibe Experts.