An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?

Related Mcqs:

1. Unbroken series of organisms arranged from ancestor to descendant sequence is____________?

   A. Biodiversity
   B. Phyletic lineage
   C. Connecting link
   D. Evolutionary line

2. Which of the following marine fishes are considered direct descendents of fresh water ancestors?

   A. Hagfish
   B. Jelly Fish
   C. Star Fish
   D. Bony fishes

3. Amphibians are considered to be evolved from___________?

   A. Newts
   B. Varanope
   C. Dipnoi
   D. Hagfishes

4. Active site of Rubisco is evolved to bind?

   A. CO2
   B. O2
   C. H2O
   D. All of these

    

5. Which of the following step occurs immediately after binding of Ca2+ with troponin molecule during muscle contraction.

   A. Binding sites of actin get attached to the myosin head.
   B. Troponin uncovers the actin binding sites.
   C. Tropomyosin gets removed from the binding sites of actin filaments.
   D. Ca2+ goes back inside sarcoplasmic reticulum.

6. If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?

   A. 40%
   B. 45%
   C. 50%
   D. 71%

   Submitted by: Rashid Mehmood

7. On which of the following component of chloroplast chlorophyll is arranged?

   A. Cell membrane
   B. Matrix
   C. Thylakoids
   D. Stroma

8. Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili_____________?

   A. Psilopsida
   B. Lycopsida
   C. Sphenopsida
   D. Prteropsida

9. In which of the following joint muscles are arranged in the same plane as that of joint?

   A. Between radius and ulna.
   B. Between ulna and scapula
   C. Between humerus and scapula
   D. Between femur and tibia.

10. Which of the following is a sentimentally arranged excretory system?

    A. Protonephridium
    B. Metanephridium
    C. Malpighian tubules
    D. Nephrons