A non-membrane bound organelle found exclusively in animal cells is:

1. Sphaerosome

2. Glyoxisome

3. Peroxisome

4. Centriole

Which of the following is true about centrosome

(1)membraneless organelle

(2)contains two centrioles

(3)surrounded by amorphous pericentriolar

(4)All of these

The arrangement of peripheral microtubule in centrioles is

(1)9 as triplets

(2)9 as doublets

(3)9 as singlet

(4)Both A and B

Which of the following is true about centrioles?

(1)It lacks microtubule in the centre

(2)Hub is proteinaceous

(3)It forms the body of cilia or flagella and spindle fibres

(4)All of the above

Which of the following is true

(1)Centriole is well developed in animals

(2)Centrioles lie perpendicular to each other in centrosome

(3)9+0 arrangement  of microtubules is present in centrioles

(4)All of the above

How many microtubules are associated with the structure of centriole?

The central part of proximal region of centriole is called hub which is made of

Animal cells differ from plant cell in possessing:

1. Vacuoles

2. Centrosomes

3. Plastids

4. Mitochondria

Mitotic spindles are mainly composed of which protein?