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TLS Online TPP Program

#Question id: 18638

For unrooted trees, the number of unrooted tree topologies (NU) is ________

#I Life Science/ Life Sciences Group – I-V
  1. NU = (2n− 5)!/2n−3(n− 5)!
  2. NU = (2n− 5)!/2n−3(n− 3)!
  3. NU = (2n− 5)!/2−2(n− 3)!
  4. NU = (2n− 5)!/2n(n− 3)!
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TLS Online TPP Program

#Question id: 9231

#SCPH06 I Botany

Movement corridors can be harmful to certain species because they ________.
TLS Online TPP Program

#Question id: 8900

#SCPH28 | Zoology

Which of the following statements about craniates is (are) correct?
1. Craniates are more highly cephalized than are non-craniates.
2. Craniatesʹ genomic evolution includes duplication of clusters of genes that code for transcription factors.
3. The craniate clade is synonymous with the vertebrate clade.
4. Pharyngeal slits that can assist in gas exchange originated in craniates,
5. The two-chambered heart originated with the early craniates.
TLS Online TPP Program

#Question id: 5434

#SCPH28 | Zoology

Plant height of wild Solanum nigrum is controlled by polygene. A pure line plant with 60 cm height was cross to pure line plant having 20 cm height .All F1 plant having uniform height 40 cm. F1 plant was allowed to self-fertilization to produced 4/64 proportional of F2 plant having height 20 cm . What is number of polygene governing plant height?
TLS Online TPP Program

#Question id: 3516

#SCPH01 Biochemistry

Cross allowed between pure line tall plant with pure line dwarf plant , all F1 having tall phenotype were allowed to self to produced  200 plant The number of F2 plant having pure line tall phenotype?
TLS Online TPP Program

#Question id: 4767

#SCPH01 Biochemistry

Neurofibromatosis is a condition in humans which is generally inherited in a dominant fashion. Assuming this disorder is 90% penetrant, what is the chance that a single child born to a father with neurofibromatosis and a mother known not to carry the mutation will have the disorder?