MCQ
Meiosis occurs in:
- AMegaspore
- BMeiocyte
- CConidia
- DGemmule
Explanation:
Megaspore is a spore which develops into a female gametophyte and forms egg.
A cell that differentiates into a gamete through the process of meiosis is known as meiocyte.The resulting cell is a haploid.
Conidia are asexually produced spores that are borne on the conidiophores which is a specialized hyphal structure.
In sponges, a part of parent body produces internal buds known as gemmule which separates from the parent body and forms a new organism.The gemmules are formed in the mesoglea layer of the body wall.
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| Excretory structure/ organ | | Animals | |
| A | Protonephridia | i. | Prawn |
| B | Nephridia | ii. | Cockroach |
| C | Malpighian tubules | iii. | Earthworm |
| D | Green gland or Antennal gland | iv. | Flatworms |