A cistron is ________?

Related Mcqs:

1. The arrangement of ________ speaks of the division of labour within cell?

   A. Molecule
   B. Subatomic particles
   C. Atoms
   D. Organelles

2. 60S and 40S subunit combine to form ________ particle.

   A. 100 S
   B. 90 S
   C. 80 S
   D. 70 S

3. Cyanobacteria have ________ cell wall?

   A. Gram +ve.
   B. Gram – ve.
   C. Acid fast
   D. Cellulose rich

4. The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.

   A. 10 ml
   B. 20 ml
   C. 30 ml
   D. 40 ml

5. The chromosomes as thread like structures in nucleus was first described by ________?

   A. Mendel
   B. Strasburger
   C. Darwin
   D. Levitzky

   Submitted by: Rashid Mehmood

6. The sum of genes in a population is called ________?

   A. Genotype
   B. Karyotype
   C. Gene pool
   D. Lethal gene

   Submitted by: Rashid Mehmood

7. Balbiani discovered special type of chromosome from the salivary gland of chironomus larva which are recognized by the presence of ________?

   A. Bands
   B. Loops
   C. Both bands and loops
   D All of the above

   Submitted by: Rashid Mehmood

8. Under unfavourable conditions, the Amoeba reproduces by ________ ?

   A. Binary fission
   B. Conjugation
   C. Encystment
   D. Endomixis

   Submitted by: Rashid Mehmood

9. Number of cells that are destroyed in adults by apoptosis are ________ ?

   A. 20 to 35 billion cells
   B. 50 to 70 billion cells
   C. 10 to 20 billion cells
   D. 15 to 25 billion cells

   Submitted by: Rashid Mehmood

10. A line on map connecting places that receives equal solar radiation is called:________?

    A. Isobar
    B. Isohel
    C. Isochore
    D. None of these

    Submitted by: Kamran Ali