SSC MTS 2024 PYQ — Question 64

SSC MTS - 09/10/2024 - (12:30 PM - 2:30 PM) • General Awareness • Q64

The microscopic channels, which traverse the cell walls of plant cells and some algal cells, enabling transport and communication between them is called:

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2  i.e. plasmodesmata .

Plasmodesmata are microscopic channels that pass through the cell walls of plant cells and some algal cells, allowing transport and communication between adjacent cells. These channels enable the movement of ions, nutrients, signaling molecules, and even some proteins and RNA between cells, thus facilitating coordinated function and development in plant tissues. Unlike animal cells, which use structures like desmosomes for cell-to-cell connections, plant cells rely on plasmodesmata. Ribosomes are involved in protein synthesis, and lysosomes are organelles that digest cellular waste. Therefore, plasmodesmata specifically serve as the intercellular communication and transport structures in plants.

Incorrect Options:

  1. Ribosomes – Organelles responsible for protein synthesis, not for cell-to-cell communication.

  2. Lysosomes – Organelles containing digestive enzymes, involved in breaking down waste materials.

  3. Desmosomes – Cell structures that provide mechanical adhesion between animal cells, not present in plants.