Which type of structure is dominant in grasslands:

Related Mcqs:

1. If the frequency of a dominant phenotype in a stable population in 75% the frequency of the dominant allele in that population is____________________?

   A. 50%
   B. 75%
   C. 25%
   D. 40$

2. Soil order characterized by excess of weathering with dominant iron and aluminium oxide clays, common in tropics is_________?

   A. Alfisols
   B. Mollisols
   C. Entisols
   D. Oxisols

   Submitted by: Shafiq Rehman

3. haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________?

   A. There are many alleles of each gene in each call
   B. There are two alleles of each gene in each cell
   C. There is only one alleles of each gene present in each cell
   D. Non3e4 of the above

4. When a wheat variety with red kernels (homozygous for two non allelic and independent dominant genes) is crossed with white kenneled wheat (homozygous for two recessive non allelic independent genes), the phenotypic ratio in the F2 generation would be________________?

   A. 9:3:3:1
   B. 9:7
   C. 9:9:9:3:3:3:1
   D. 1:4:6:4:1

5. The internal & external surfaces of soil colloids are positively and or negatively charged. Mostly ____________ is dominant:

   A. Positive
   B. Negative
   C. Zero
   D. All of the above

   Submitted by: Shafiq Rehman

6. Structure and size of aphantic rock is________________?

   A. Course-grained like
   B. Fine grained
   C. Large-Glassy
   D. Phenocryst

7. Soil structure without aggregation is known as____________________?

   A. Platy
   B. Granular
   C. Massive
   D. Both b & c

8. The cellular structure which always disappears during mitosis is___________________?

   A. Plastids
   B. Protoplasm
   C. Membrane
   D. Nuclear and membrane

9. Extrusive rocks are also called as ___________ in which the grain or crystalline structure is too fine to be seen by the unaided eye?

   A. Volcanic Rock
   B. Igneous Rock
   C. Aphantic Rock
   D. Both A & B

   Submitted by: Amir hameed

10. A tail, including the tail-like structure of an aphid:_______?

    A. Cenchri
    B. Annulate
    C. Apical
    D. Cauda

    Submitted by: Shafiq Rehman