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TLS Online TPP Program
#Question id: 16310
#Unit 7. System Physiology – Animal
The temperature of the body is regulated almost entirely by nervous feedback mechanisms, and almost all these mechanisms operate through temperature regulating centers located in the hypothalamus. Following statements are as follows:
A. The anterior hypothalamic-preoptic area contains large numbers of heat-sensitive neurons, as well as about one third as many cold-sensitive neurons. These neurons are believed to function as temperature sensors for controlling body temperature.
B. The heat-sensitive neurons increase their firing rate 2- to 10-fold in response to a 10°C increase in body temperature.
C. The cold-sensitive neurons, by contrast, increase their firing rate when the body temperature increases.
D. Anterior hypothalamus integrates the central and peripheral temperature sensory signals.
Which of the following combination is correct?
TLS Online TPP Program
#Question id: 27555
#Unit 1. Molecules and their Interaction Relevant to Biology
Aspartate involved in
TLS Online TPP Program
#Question id: 23939
#General Aptitude
The aim of U.G.C.s Standing Committee of Vocational Education is
TLS Online TPP Program
#Question id: 1091
#Unit 4. Cell Communication and Cell Signaling
Why does testosterone, a lipid-soluble signaling molecule that crosses the membranes of all cells, affect only target cells?
TLS Online TPP Program
#Question id: 18079
#Unit 9. Diversity of Life Forms
Within a gymnosperm megasporangium, what is the correct sequence in which the following should appear during development, assuming that fertilization occurs?
1. Sporophyte embryo 2. female gametophyte
3. egg cell 4. megaspore