TEST YOURSELF-PART-1

HERE ARE A FEW QUESTIONS RELATED WITH PLANT REPRODUCTION WHICH YOU GENERALLY IGNORE WHILE PREPARING FOR YOUR EXAMS.

REPRODUCTION IN ORGANISMS

1.Name asexual reproductive structure of sponges?
2.When was the flower of Strobilanthus kunthiana last seen in hilly areas of Kerala and Karnataka?
3.What type of cyclic changes occur during reproduction in non-primate mammals?
4.Give an example of continuous breeder and seasonal breeder?
5.What is the chromosomal number in meiocytes?
6.Name the vital link that ensure continuity of species between the of one generation to another?
7.Can you name a plant in which sepals remain attached after fertilization?
8.At what stage of life cycle,meiosis occur in haploid and diploid individuals?
9.Which term is used to denote bisexual condition in fungi?
10.To which category the underground stem of banana belongs?

SEXUAL REPRODUCTION IN FLOWERING PLANTS

1.How the cells of tapetum become bi nucleate?
2.Name the materials that form exine and intine of pollen grain?
3.Name a plant that causes pollen allergy and was imported to India as a contaminant with wheat?
4.Name a family whose most of the member show pollen grain viability for months together?
5.Give an example of multicarpellary syncarpus and multicarpellary apocarpus ovary?
6.What is monosporic development?
7.Mention the ploidy of nucellus,megaspore mother cell,functional megaspore and female gemetophyte?
8.Which structure guards the entry of pollen tube into synergids of embryo sac?
9.What is the condition for undergoing complete autogamy?
10.How cleistogamous condition is advantageous for the plant?
11.What type of pollination brings genetically different types of pollen grains to stigma of pistil?
12.What do the tassels represent in a maize plant?
13.Can you cite any aquatic plant that shows insect/wind pollination?
14.How pollination is carried out in sea grasses?
15.Why the wind pollinated flowers do not produce nectar?
16.What is special about Amorphophallus flower?
17.How do a pistil recognizes a pollen whether to allows or not to allow the growth of pollen tube in the style?
18.What do you understand by the term pollen-pistil interaction?
19.What do the coconut water and white kernel represent in a tender coconut?
20.How epicotyl is different from hypocotyl?
21.What is scutellum?
22.Name the sheaths covering root tip and shoot apex?
23.Define the perisperm by giving an example.
24.During the archaeological excavation at king Herod's Palace near Dead sea, 2000 years old viable seed were discovered.Name the plant.
25.What type of relationship exists between a species of moth and Yucca plant?