TLS Online TPP Program

#Question id: 10587


The above pyramid 


Which of the following is not representation of following ecosystem?

#Unit 10. Ecological Principles
  1. Pyramid of number of a parasitic food chain and pyramid of biomass of a pond ecosystem
  2. Pyramid of number of a pond ecosystem and pyramid of biomass of a forest ecosystem
  3. Pyramid of energy of a grassland and forest ecosystem
  4. Pyramid of number of a forest and grass land ecosystem 
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TLS Online TPP Program

#Question id: 11438

#Unit 1. Molecules and their Interaction Relevant to Biology

Two of the common amino acids are analyzed. At pH = 7.0, amino acid X is negatively charged while amino acid Y is positively charged. Which will be a characteristic of amino acid X?

TLS Online TPP Program

#Question id: 11439

#Unit 1. Molecules and their Interaction Relevant to Biology

Arrange in increasing order of alkalinity

1. Pk1 arginine

2. pk2 proline

3. pk2 alanine

4. pkR arginine

TLS Online TPP Program

#Question id: 11440

#Unit 1. Molecules and their Interaction Relevant to Biology

Arginine contains a guanidinium R-group and has pK1,pk2 pkR values of 2.17, 9.04, and 12.48 For arginine molecules at pH=14,

TLS Online TPP Program

#Question id: 11441

#Unit 1. Molecules and their Interaction Relevant to Biology

Tyrosine contains a phenolic R-group and has pK1, pk2, pkR values of 2.20, 9.11, and 10.07 At which pH will all the tyrosine be in their fully protonated form?

TLS Online TPP Program

#Question id: 11442

#Unit 10. Ecological Principles

Forests dominated primarily by evergreen trees with abundant lianas and epiphytes are found in which of the following biomes?

TLS Online TPP Program

#Question id: 11443

#Unit 10. Ecological Principles

To qualify as a Biodiversity Hotspot, an area must contain__:

A .At least 1,500 species of endemic vascular plants

B .At least 70 percent land covered by vascular plants

C .At least 25 threatened species of mammals

D .At least one protected area such as national park

 Choose the correct option from the codes given below: