Question
Coconut palm is monoecious while date is dioecious. Why are they called so?

Answer

In some plants and fungi, male and female reproductive structures may be present on the same plant, such plants are called homothallic or monoecious, e.g. chara, cucurbita, coconut palm, etc. While, in some lower plants, male and female reproductive structures may be present on different plants. These plants are known as heterothallic or dioecious, e.g. Marchantia, date palm, etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Complete the following flow diagram of double circulation:
Image
What is tissue culture? Describe the methodology of tissue culture.
Enlist the role of following minerals and the symptoms caused due to their deficiency : (a) Calcium (b) Boron and (c) Chlorine.
Describe sex-determination in birds with example.
What do you understand by climax community?
Describe any three steps taken up by our Governmentto check population growth rate.
Bee keeping practice is a good income generating industry. Write the different points to be kept in mind for successful bee keeping. Write the scientific name of the most common Indian species used for the purpose.
A person shows strong unusual hypersensitive reactions when exposed to certain substances present in the air. Identify the condition. Name the cells responsible for such reactions. What precaution should be taken to avoid such reactions.
Given below is the representation of amino acid composition of the relevant translated portion of B-chain of haemoglobin, related to the shape of human red blood cells.
  1. Is this representation indicating a normal human or a sufferer from certain related genetic disease? Give reason in support of your answer.
  2. What difference would be noticed in the phenotype of the normal and the sufferer related to this gene?
  3. Who are likely to suffer more from the defect related to the gene representedthe males, the females or both males and females equally? And why?
Sketch and label – Process spermatogenesis.