Class 11 | Biology | chapter 8 | Cell: The Unit Of Life

Mark the following statements as true (T) or false (F) and select the correct option : A. Acrocentric chromosome appears J-shaped during anaphase. B. Centromere holds two chromatids together. C. Outer membrane of nucleus is connected with SER only.

Ruhul Amin Alig

Class 11 | Biology | chapter 8 | Cell: The Unit Of Life

Which of the following statement is not related to centriole? 1. Made up of nine evenly spaced peripheral fibrils of tubulin protein 2. It gives rise to spindle fibres in plant cells 3. The central part of the proximal region is called the hub 4. It forms the basal body of eukaryotic flagella

Ruhul Amin Alig

Class 11 | Biology | chapter 8 | Cell: The Unit Of Life

Each centriole in a centrosome is made up of nine 1. Peripheral triplets of flagellin protein 2. Peripheral doublets of tubulin protein 3. Peripheral triplets of tubulin protein 4. Peripheral triplets and two central singlets of microtubules.

Ruhul Amin Alig

Class 11 | Biology | chapter 8 | Cell: The Unit Of Life

How many microtubules are present in the axoneme part of eukaryotic flagellum?

Ruhul Amin Alig

Class 11 | Biology | chapter 8 | Cell: The Unit Of Life

In acrocentric chromosomes 1. The centromere is present near the tip of one of its arms 2. p and q arms are clearly visible 3. There is no p arm 4. Both (1) & (2)

Ruhul Amin Alig

Ebook

Chapter 8 Cell: The Unit of Life NCERT Ebook

Ruhul Amin Alig