Cytoskeleton

Q.

Which structure forms the basal body of cilia or flagella?

Q.

What is the 9+2 array?

Q.

What are microtubules?

Q. The arrangement of microtubules in cilia or flagella is called thearray.

1. 9+1
2. 9+2
3. 9+0
4. 9+3

Q.

The cytoskeleton is made up of_________

Q.

What is the cytoskeleton? What does it do?

Q. Assertion: Eukaryotic cells have the ability to adopt a variety of shapes and carry out directed movements.
Reason: There are three principal types of protein filaments-actin filament, microtubules and intermediate filaments, which constitute the cytoskeleton.

1. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false

Q. An elaborate network of filamentous proteinaceous structures which help in the maintenance of the cell shape is called

1. cytoplasm
2. cytoskeleton
3. endoplasmic reticulum
4. golgi complex

Q.

Microtubule which is a component of the cytoskeleton is involved in

1. Nucleolus formation

2. Spindle formation and cell division

3. DNA recognition

4. All of these

Q. Identify the cell organelle from the following image and with its characteristic elements.

1. Endoplasmic Reticulum
2. Cytoskeleton
3. Microbodies
4. Centrioles