State True or FalseSelf-pollination is considered better than cross- pollination as far as variation is concerned.

Whether pea plant is a self - pollinated plant or a cross pollinated one ?

State True or False. Asexual reproduction generates a large proportion of variations.

By which agents is cross-pollination achieved ?

A dioecious flowering plant prevents both ….. (A) Self fertilisation or self pollination and cross pollination (B) Autogamy and Geitonogamy (C) Geitonogamy and Cross pollination (D) Cleistogamy and cross pollination

Reuse is considered better than recycling because ......... is utilised in the process of recycling.

Read the all statements carefully : (i) Mendel conducted artificial pollination/cross pollination experiments using several true breeding pea line (ii) True breeding having underogone continuous self pollination, show stable trait inheritance (iii) Mendel selected 14 true breeding pea plant varieties.

What are chasmogamous flower? Can cross pollination occur in cleistogamous flowers? Give reasons for your answer

The method of reuse is always considered better than the recycling method because... a.energy is not utilised in it. b.new materials can be produced by it. c.uniform distribution of natural resources can be done by it. d.material or equipment can be maintained for a long time by it.

Which of the following statement is true for variation in organisms? (1) The occurrence of differences among the individuals of the same species is known as variation. (2) Variations decrease the possibilities of survival. (3) The process of evolution decreases the variation in organisms. ( 4) During meiosis, crossing over takes place between the genes and hence, new combinations are formed, which ultimately results in producing variations.