Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 48311
TLS Online TPP Program

#Question id: 6953

Maternal factors are:

#SCPH28 | Zoology
  1. energy rich proteins and lipids packaged into the vegetal pole
  2. mRNAs and proteins packaged into the egg by the mother, which act to control early development in the embryo
  3. genes contributed to the embryo by the maternal haploid genome
  4. components of the cortical granules which prevent polyspermy
More Questions
TLS Online TPP Program

#Question id: 1571

#SCPH28 | Zoology

Double-stranded RNA (dsRNA) recognize by
TLS Online TPP Program

#Question id: 7765

#SCPH06 I Botany

The enzyme complex or gene that maintains telomere integrity is________, which acts as an antisenescence complex. Mice and humans with its deficiencies age prematurely (Mitchell et al. 1999). Overexpressing or reactivating it in senescent cells extends longevity in mice without increasing cancer,
TLS Online TPP Program

#Question id: 15561

#SCPH05 I Biotechnology

Which mechanism is helpful in secondary metabolite production
1. ppGpp secretion
2. Autoinducer
3. Nutrient limitation
4. Senescence genes
Which combination is incorrect  from the following.
TLS Online TPP Program

#Question id: 3266

#SCPH06 I Botany

One species mates at the season when daylight is increasing from 13 hours to 13 hours, 15 minutes; another species mates at the season when daylight is increasing from 14 hours to 14 hours, 15 minutes. The isolating mechanism is
TLS Online TPP Program

#Question id: 5560

#I Life Science/ Life Sciences Group – I-V

In a newly fertilized egg, the vitelline layer ________.