QUESTIONS FROM STATE BOARD EXAMINATIONS:
Arrange the following words in correct development sequence :
Pollen grain, sporogenous tissue, microspore tetrad, microspore mother cell

Arrange the following terms in a correct development sequence: Pollen grain, sporogenous tissue, microscope tetrad, pollen mother cell, male gamete.

Arrange the following terms in the correct developmental sequences:Pollen grain, sporogenous tissu, microspore tetrad, pollen mother cell. Male gametes.

Short Answer Questions Three mark Each (a) The diagram given below shows the transverse section of a young anther. Identify the parts a, b, c and d. (b) The developmental stages of male gametes in plants consist of microsporogenesis and male gametophyte. Arrange the following terms in their correct developmental sequence. Pollen grain Sporogenous tissue Anther Microspore tetrad Pollen mother cell Male gamete.

QUESTIONS FROM STATE BOARD EXAMINATIONS : What would be the ploidy in cells of microspore tetrad?

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS How does the pollen mother cell develop into mature pollen grain? Illustrate the stages with labelled diagrams.

QUESTIONS FROM STATE BOARD EXAMINATIONS : Which of the following mostly pollinate brightly coloured flowers having fragrance and nectar?

QUESTIONS FROM CBSE BOARD EXAMINATIONS : What is the fate of haploid megaspores formed by megaspore mother cell in an angiospermic plant?

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS (a) Describe the endosperm development in coconut. (b) Why is tender coconut considered a healthy source of nutrition?

Long Answer Questions Five mark Each QUESTIONS FROM STATE BOARD EXAMINATIONS : With the help of labelled diagrams, depict the stages of microspore maturing into a pollen grain.

Very Short Answer Questions A. QUESTIONS FROM STATE BOARD EXAMINATIONS Which of the following is having maximum life span?