Which of the following organelles contain DNA?

(i) Mitochondria (ii) Chloroplasts (iii) Golgi bodies (iv) Ribosomes

(1) (i) and (ii)

(2) (ii) and (iii)

(3) (i) only

(4) (iv) only.

Chromatin can be stained with

1. Basic dyes

2. neutral dyes

3. acidic dyes

4. Crystal violet

The chromosomes in which centromere is situated close to one end are

1. metacentric               

2. acrocentric

3. telocentric                 

4. sub-metacentric

A chromosome carrying the centromere at one of the ends is called

1. acentric

2. submetacentric

3. telocentric

4. metacentric.

Which of the following is true about chromosome

1. nucleoprotein

2. 23 pairs in single human diploid cell

3. Contains primary constriction

4. All of these

On what basis chromosomes have been divided into four classes.

1. position of centromere

2. position of primary constriction

3. number of kinetochores

4. Both A and B

Match the columns and identify the correct option. 

1. A → (iv), B → (iii), C → (i), D → (ii)

2. A → (iii), B → (iv), C → (i), D → (ii)

3. A → (iii), B → (i), C → (iv), D → (ii)

4. A → (iii), B → (iv), C → (ii), D → (i)

Select the correct match

1.  70 'S' ribosome         -    Bacterial mesosome

2.  Cytoskeleton             -    Lipoproteins

3.  Kinetochore                -    Centromere

4.  Lysosome                  -   Catalase

Kinetochores are associated with

1. Outer part of primary constriction

2. Centromere in its inner central part

3. Secondary construction

4. Satellite 

Chromatin contains