Practice Questions

TLS Online TPP Program

#Question id: 10276

In glycolysis, the enzyme glyceraldehyde 3-phosphate dehydrogenase catalyzes;

#Unit 6. System Physiology – Plant

oxidation of the aldehyde to a carboxylic acid, reducing NAD+ to NADH
reduction of the carboxylic acid to aldehyde, oxidised NADH to NAD+
the conversion of Glyceraldehyde 3-phosphate to 1,3-Bisphosphoglycerate by transfering phosphate group from ATP molecules
conversion of aldehyde group into carboxylic acid, this is first reaction of payoff phase called substrate-level phosphorylation

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TLS Online TPP Program

#Question id: 937

#Unit 1. Molecules and their Interaction Relevant to Biology

Glutamate dehydrogenase has different roles in different organisms. Which of these listed is mismatched?

TLS Online TPP Program

#Question id: 12322

#Unit 10. Ecological Principles

Which of the following could qualify as a top-down control on a grassland community?

TLS Online TPP Program

#Question id: 15713

#Unit 12. Applied Biology

A relatively ______ concentration of auxin favours cell proliferation and root differentiation while _______levels of cytokinin promote bud differentiation.

TLS Online TPP Program

#Question id: 17674

#Unit 8. Inheritance Biology

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. Has the frequency of allele a changed between Generations 1 and 2?

TLS Online TPP Program

#Question id: 8907

#Unit 9. Diversity of Life Forms

The endoskeletons of most vertebrates are composed of calcified