Sperms are _________ in origin.

Related Mcqs:

1. The sponges in which sperms develop first are included in the category of__________?

   A. Peritandrous
   B. Pertandrous
   C. Protendrous
   D. Protandrous

2. Sperms released in water are carried to the mesenchyme in sponges by__________?

   A. Amoeboid cell
   B. Stipules
   C. Spicules
   D. Spines

3. Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of ____________?

   A. Chemotropic movement
   B. Chemotactic movement
   C. Chemosastic movement
   D. Haptonastic movement

4. In acoelomates gut is ________ in origin.

   A. Ectodermal
   B. Endodermal
   C. Mesodermal
   D. None of these

5. __________ are believed to have common origin with annelids.

   A. Nematods
   B. Arthropods
   C. Molluscs
   D. None of these

6. The one which is present in all aerobic species is _________?

   A. Cytohrome c
   B. Cytochrome a
   C. Cytochrome a3
   D. Cytochrome b

7. A chromosome with centromere near the middle is called _________ ?

   A. Metacentric
   B. Submetacentric
   C. Acrocentric
   D. Telocentric

   Submitted by: Rashid Mehmood

8. Examples of Epigeal germination include _________ ?

   A. Maize
   B. Sword bean seed
   C. Broad bean seed
   D. Corn

   Submitted by: Rashid Mehmood

9. New alleles can be introduced into a population’s gene pool by:_________?

   A. Mutation
   B. Natural selection
   C. Gene flow
   D. Both A & C

   Submitted by: Eesha Khalid

10. Secretin is secreted when _________ touches alimentary canal.

    A. Acidic
    B. Basic
    C. Neutral
    D. All of these

    Submitted by: Junaid Ismail