Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive). 

1. sporophyte 2. microspores 

3. microsporangia 4. Pollen cone 

5. Pollen nuclei 

TLS Online TPP Program

#Question id: 5366

#Unit 8. Inheritance Biology

From the following select the possible mode of inheritance and the probability that the child in generation III will show the trait.

TLS Online TPP Program

#Question id: 5468

#Unit 8. Inheritance Biology

Plant height is control by polygenetic trait. Plant having height 6 cm are allowed to cross with plant having height 2 cm , all F1 progeny having height uniform 4 cm were allowed selfing to produced F2 progeny in which 5 out of 320 with height of 6 cm. What will be phenotype ratio in F2 generation?

TLS Online TPP Program

#Question id: 12309

#Unit 10. Ecological Principles

Which statement below about mating behavior is incorrect?

TLS Online TPP Program

#Question id: 5825

#Unit 8. Inheritance Biology

__ are mutations that have no effect on the phenotype of the organism.

TLS Online TPP Program

#Question id: 11734

#Unit 6. System Physiology – Plant

Some molecules act as cytokinin antagonists, which are able to block the action of cytokinins that is