Select the total number of correct statement: I. Cell-plate...

Name: Problem 28, Chapter 10: Objective Biology for NEET
Uploaded: 2021-11-15T06:52:25-08:00
Duration: 1 min 23 s
Channel: Parvati Devi
Description: Select the total number of correct statement: I. Cell-plate formation occurs in plant cell during cytokinesis. II. During cytokinesis mitochondria and plastid gets distributed between two daughter cells in mitosis. III. Liquid endosperm in coconut is syncytium. IV. Furrow formation occurs in Animal cell during cytokinesis (a) 1 (b) 2 (c) 3 (d) 4

Select the total number of correct statement: I. Cell-plate formation occurs in plant cell during cytokinesis. II. During cytokinesis mitochondria and plastid gets distributed between two daughter cells in mitosis. III. Liquid endosperm in coconut is syncytium. IV. Furrow formation occurs in Animal cell during cytokinesis (a) 1 (b) 2 (c) 3 (d) 4

Select the total number of correct statement:
I. Cell-plate formation occurs in plant cell during cytokinesis.
II. During cytokinesis mitochondria and plastid gets distributed between two daughter cells in mitosis.
III. Liquid endosperm in coconut is syncytium.
IV. Furrow formation occurs in Animal cell during cytokinesis
(a) 1
(b) 2
(c) 3
(d) 4

Key Concepts

Syncytial Development in Endosperm

Some plant species develop a type of endosperm known as a syncytium, where nuclei multiply within a shared cytoplasm without immediate cell partitioning. In cases like the liquid endosperm in coconut, the tissue remains initially in a syncytial state, allowing for the accumulation of nutrients in a free-flowing medium before cellularization or maturation occurs.

Cell Plate Formation

This concept refers to the specialized mechanism used by plant cells during cytokinesis. Instead of forming a cleavage furrow, plant cells build a new cell wall by accumulating vesicles that coalesce at the center of the cell to form a cell plate. This structure eventually expands outward to separate the two daughter cells.

Cleavage Furrow Formation

Cleavage furrow formation is a mechanism specific to animal cells during cytokinesis. In these cells, a contractile ring composed of actin and myosin forms beneath the plasma membrane, constricting the cell into two distinct daughter cells by creating an indentation that deepens until separation occurs.

Organelle Distribution During Cell Division

During cell division, especially in the process of mitosis followed by cytokinesis, organelles such as mitochondria and plastids are distributed between the dividing cells. This distribution is typically stochastic but crucial for ensuring that both daughter cells inherit sufficient organelles to function properly.

Transcript

Please give Ace some feedback