TLS Online TPP Program

#Question id: 11654


Succession start from the water body and continuos in community dyanamics, changes species composition as well as changes in structure also. Which one is the correct composition of hydrosere process?

#10. Ecological Principles
  1. Phytoplankton stage→ Rooted submerged stage→ Rooted floating stage→ Rooted swamp stage→ sedge-meadow stage→ Woodland stage→ Forest stage
  2. Phytoplankton stage→ Foliose lichen stage→ Mosses stage→ sedge-meadow stage→ Rooted floating stage→ Woodland stage→ Forest stage
  3. Phytoplankton stage→ sedge-meadow stage→ Rooted swamp stage→ Rooted submerged stage→ Rooted floating stage→ Woodland stage→ Forest stage
  4. Phytoplankton stage→ Mosses stage→ Herb stage→Shrub stage→ sedge-meadow stage→ Woodland stage→ Forest stage 
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TLS Online TPP Program

#Question id: 5363

#8. Inheritance Biology

A Southern blot using a probe that binds to the region spanning the mutation causing albinism detects one DNA fragment in homozygous normal individuals (A/A) and two fragments in albino individuals (a/a). Following banding pattern of three offspring of parents? Which of the following correct regarding parents?

TLS Online TPP Program

#Question id: 5423

#8. Inheritance Biology

Maximum height of plant is 200 cm and minimum average height is 80cm. if plant height is controle by 5 pairs of polygene, which of the following plant exhibit average phenotype?

TLS Online TPP Program

#Question id: 5424

#8. Inheritance Biology

Imagine that height in corn plants is determined by three loci. The baseline height is 100 cm. Every + allele adds 10cm to the plant’s potential height, every – allele subtracts 10 cm from the plant’s potential height. The shortest possible plant and the tallest possible plant are mated to form an F1, what is the height of the F1?

TLS Online TPP Program

#Question id: 5425

#8. Inheritance Biology

Two varieties of maize averaging 50 and 20 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 35 inches in height. Out Of the 16 F2 plants, the 5 are 35 inches. What is the probable number of independent segregating polygenes involved in this trait?

TLS Online TPP Program

#Question id: 5426

#8. Inheritance Biology

Which of the following is incorrect regard polygenic inheritance?

TLS Online TPP Program

#Question id: 5427

#8. Inheritance Biology

In a plant, height is control by three quantitative trait loci.  Each dominant additive allele is contributing 3 cm height in plant. Maximum expected plant height is 20 cm. What is minimum expected height?