Practice Questions

TLS Online TPP Program

#Question id: 11947

Why is milk produced only after delivery, not before?

#Unit 7. System Physiology – Animal

Levels of luteinizing hormone and follicle-stimulating hormone are too low during pregnancy to support milk production
High levels of progesterone and estrogen during pregnancy suppress milk production
The alveolar cells of the breast do not reach maturity until after delivery
High levels of oxytocin are required for milk production to begin, and oxytocin is not secreted until the baby stimulates the nipple

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TLS Online TPP Program

#Question id: 15870

#Unit 12. Applied Biology

What is the advantage of plant tissue culture over animal tissue culture?

TLS Online TPP Program

#Question id: 12522

#Unit 6. System Physiology – Plant

The receptor of ABA such as PYR/PYL/RCAR are the member of the ___

TLS Online TPP Program

#Question id: 15168

#Unit 2. Cellular Organization

Cyanobacteria comprises a large and morphologically heterogenous group of

TLS Online TPP Program

#Question id: 32319

#Unit 1. Molecules and their Interaction Relevant to Biology

The standard free-energy change for given reactions, using the equilibrium constants given for the reactions at 25 °C and pH 7.0, will be

TLS Online TPP Program

#Question id: 8705

#Unit 9. Diversity of Life Forms

If you were using cladistics to build a phylogenetic tree of cats, which of the following would be the best outgroup?