Advertisements
Advertisements
प्रश्न
Choose the correct statements.
Given below are a few statements related to external fertilization.
- The male and female gametes are formed and released simultaneously
- Only a few gametes are released into the medium
- Water is the medium in a majority of organisms exhibiting external fertilization
- Offspring formed as a result of external fertilization have better chance of survival than those formed inside an organism
विकल्प
i and iii
ii and iv
i and iv
iii and iv
उत्तर
i and iii
APPEARS IN
संबंधित प्रश्न
Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?
The terms homothallic and monoecious are used to denote ______.
Fusion of unrelated gametes is called ______.
In flowering plants both male and female gametes are non-motile. The method to bring them together for fertilization is ______.
Development of an egg without fertilization is called ______.
Which plant will lose its economic value if its fruits are produced by induced parthenocarpy?
What is true for cleavage?
Gamete transfer occurs through water in all of the following except:
In haploid organisms that undergo sexual reproduction, name the stage in the life cycle when meiosis occurs. Give reasons for your answer.
Do all the gametes formed from a parent organism have the same genetic composition (identical DNA copies of the parental genome)? Analyse the situation with the background of gametogenesis and provide or give suitable explanation.
