TLS Online TPP Program

#Question id: 8927


Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

#Part-B Specialized Branches in Biotechnology
  1. arthropods have had more time to co-evolve with land plants than have vertebrates.
  2. extant terrestrial arthropods are better adapted to terrestrial life than are extant terrestrial vertebrates.
  3. ancestral arthropods must have been poorly adapted to aquatic life, thus experienced a selective pressure to invade land.
  4. vertebrates evolved from arthropods.
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TLS Online TPP Program

#Question id: 10810

#Part-B Specialized Branches in Biotechnology

A mechanism for preventing sap loss entails closing sieve plate pores with callose, which is

TLS Online TPP Program

#Question id: 10811

#Part-B Specialized Branches in Biotechnology

In mature cells, P-protein occurs in several different forms depending on the species. Such as;

TLS Online TPP Program

#Question id: 10812

#Part-B Specialized Branches in Biotechnology

P-protein occur only in certain legumes and are encoded by members of the gene family known as;

TLS Online TPP Program

#Question id: 10813

#Part-B Specialized Branches in Biotechnology

A living cytoplasmic connection penetrate the walls between sieve tube elements and their companion cells; which are often complex and branched on the companion cell side, known as

TLS Online TPP Program

#Question id: 10877

#Part-B Specialized Branches in Biotechnology

A 27-year-old man is breathing quietly. He then inhales as much air as possible and exhales as much air as he can, producing the spirogram shown in the previous figure. What is his expiratory reserve volume (in liters)? 


TLS Online TPP Program

#Question id: 10878

#Part-B Specialized Branches in Biotechnology

The resistance of the pulmonary tree is so low that a 1 cm of water pressure gradient is sufficient to cause normal air flow during resting conditions. Which of the following often has a substantial resistance during pulmonary disease states that can limit alveolar ventilation?