which trait(s) is (are) shared by many modern gymnosperms and angiosperms? 

1. Pollen transported by wind 

2. Lignified xylem 

3. Microscopic gametophytes 

4. Sterile Sporophylls, modified to attract pollinators 

5. Endosperm 

TLS Online TPP Program

#Question id: 32710

#Unit 1. Molecules and their Interaction Relevant to Biology

The relationship between activation energy and the rate constant of the reaction, k, is given by the 

TLS Online TPP Program

#Question id: 15284

#Unit 5. Developmental Biology

Morphogens can be:

1. Transcription factors

2. Paracrine factors

3. Cell adhesion factors

4. Non-diffusable molecules

TLS Online TPP Program

#Question id: 30049

#Unit 7. System Physiology – Animal

Myocardial fibers are separated by membranes, but depolarization spreads radially (syncytium) because of the presence of:

TLS Online TPP Program

#Question id: 34145

#Unit 7. System Physiology – Animal

I. The short arm of human chromosome 17 contains the growth hormone-hCS cluster.

II. Growth hormone increases circulating IGF-I, which in turn exerts a direct inhibitory action on growth hormone secretion from the pituitary.

III. Growth hormone secretion is decreased in persons deprived of rapid eye movement (REM) sleep.

IV. Growth hormone secretion is induced by thyroid hormones & inhibited, by cortisol.

TLS Online TPP Program

#Question id: 10135

#Unit 6. System Physiology – Plant

Which of the following are strongest reductant?