Sunflower is not a flower. Explain.

Nicotiana tobacum, a short day plant , when exposed toi more than critical period of light fails to flower .Explain.

Honey collection improves when beehives are kept in crop-fields during flowering season. Explain.

Apant of Antirrhinum majus with red flowers was crossed with another plant of the same species with white flowers. The plants of the F_(1) generation bore pink flowers . Explain the patttern o inheritance with the help of a cross.

Apant of Antirrhinum majus with red flowers was crossed with another plant of the same species with white flowers. The plants of the F_(1) generation bore pink flowers . Explain the patttern o inheritance with the help of a cross.

A plant with red flowers was crossed with another plant with yellow flowers. If F1 showed all flowers orange in colour, explain the inheritance.

A plant with red flowers was crossed with another plant of the same species with white flowers. The offspring thus obtained were 60 plants all with only pink flowers. On selfing, these plants produced 60 plants with red flowers. Explain the genetic principle behind these results

You are given a red flower-bearing pea plant and a red flower-hearing snapdragon plant.How would you find the genotypes of these two plants with respect to the colour of the flower? Explain with the.help of crosses. Comment upon the pattern of inheritance seen in these two plants.

Sunflower belongs to family

the arrangement of flowers in sunflower (Helianthus annuus) is

Define the term inflorescence. Explain the basis for the different types of inflorescence in flowering plants.