TLS Online TPP Program

#Question id: 5428


If trait are governed by polygenic. If plant genotype AABB  ( 8 cm height ) were cross with aabb ( 2 cm height ) produced F1 and allowed to selfing . which of the following phenotypic height are not observe in F2 plant if all gamete participate in fertilization ?

#Unit 8. Inheritance Biology
  1. 6.5cm

  2. 5 cm         

  3. 3.5 cm     

  4. 6cm

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TLS Online TPP Program

#Question id: 12712

#Unit 6. System Physiology – Plant

ROS using respiratory burst oxidase homolog (RBOH) or NADPH  oxidase for Self- generation mechanism by some other processes , which are involved in ROS generation such as,
A) The amino-terminal cytoplasmic domain of RBOH proteins contains four serines (Ser) that can be phosphorylated by CDPKs and two EF hands that can bind calcium directly 
B) As ROS generation such as  H2O2,  by putting electron for oxidising  oxygen into the free radicals, these electron generation by oxidising NADPH and FADH2 in the cytosolic carboxy terminal of RBOH protein
C) The elevation of calcium and ROS levels during the early stages of the stress response activates protein kinases and phosphatases
D) ROS activated Ca2+ channel leads to Ca2+  influx from apoplastic space  to cytosol
Arrange the correct order of  following steps involve in ROS generation;

TLS Online TPP Program

#Question id: 10164

#Unit 6. System Physiology – Plant

C4 photosynthetic carbon cycle is also known as the

TLS Online TPP Program

#Question id: 13168

#Unit 10. Ecological Principles

Use the following diagram from the text showing the spread of the cattle egret, Bulbulcus ibis, since its arrival in the New World, to answer the following question.


How would an ecologist likely explain the expansion of the cattle egret?

TLS Online TPP Program

#Question id: 19925

#Unit 12. Applied Biology

The strategy of artificially programme cell death will be effective against which types of pathogen?
1. Obligate parasites 
2. Facultative parasites
Which of the above are correct?

TLS Online TPP Program

#Question id: 19100

#Unit 6. System Physiology – Plant

Xanthomonas oryzae secretes a highly conserved peptide, which mediates quorum sensing by