Which of the following is true about centrosome

(1)membraneless organelle

(2)contains two centrioles

(3)surrounded by amorphous pericentriolar

(4)All of these

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 for vacuole

(1)It is present in both plants and animals

(2)Central vacuole is present in plant

(3)It occupies 90% volume of the plants

(4)All of these

In plant cell the concentration of ions is more in

(1)cytoplasm

(2)vacuoles

(3)equal in both

(4)nucleus

The contractile vacuole

The membrane of vacuole is called

1. plasma membrane

2. tonoplast

3. cytoplasm

4. tunicates

Which of  the following is true about mitochondria except

1. Semi-autonomous organelle

2. Compartmentalisation is present

3. Matrix contain 80s ribosomes

4. Both 1 and 2

Which of the following is  present in matrix of mitochondria

1. ribosomes

2. RNA

3. DNA

4. All of the above

Which of the following is true about mitochondria except

(1) easily visualised under microscope without staining

(2) It’s number in the cell depends on the physiological activity of the cell

(3)It is highly variable in their shape and size

(4)Double membranous structure

Chromatin can be stained with

1. Basic dyes

2. neutral dyes

3. acidic dyes

4. Crystal violet