Cell biology, Genetics and Evolution

Form of chromatin present in non-dividing cells is

• Euchromatin

• Supercoiled chromatin

• Heterochromatin

• Condensed chromatin

Which of the followings is wrong regarding centromere

• Hold the chromatids

• Constricted chromosomal part

• Attaches to spindle fibers

• Facilitate chromosomes condensation and even distribution

In the image correct order of types of chromosomes is

• Acrocentric, Metacentric, Telocentric, Sub metacentric

• Submetacentric, Acrocentric, Telocentric, Metacentric

• Telocentric, Acrocentric, Submetacentric, Metacentric

• Telocentric, Acrocentric, sub metacentric, Metacentric

Which of the following stage is characterized by the separation of sister chromatids

• Metaphase

• Pachytene

• Anaphase

• Prophase

The picture shows

• Synapsis

• Duplication

• Crossing over

• Condensation

• None of these

Which of the following filaments have 25 mm diameter.

• Microfilaments

• Microtubules

• Intermediate filaments

• Integrins

Microfilaments are involved in

• Cell- cell connections

• Ameboid movement

• Cell division

• All of these

Chromosomes movement during cell division is regulated by

• Microtubules

• Microfilaments

• Intermediate filaments

• All of these

Which of the following organelle shows autophagy

• Mitochondria

• Lysosomes

• Golgi body

• Endoplasmic reticulum

In the picture spindle fibers are attached to which part of the centromeric region of chromosome

• Kinetomere

• Kinetochore

• Kinetogram

• Centrosome