GATE Life Sciences 2019 Zoology Model Question Paper 06

Hypertrophy in the anterior pituitary in adults leads to:

The phenotype ‘A’ has a selective advantage over ‘B’, ‘B’ has over ‘C’ and ‘C’ has over ‘A’. The condition is like “paper-scissor-rock”. Under such condition in nature:

Perennial habit among trees would be more preferred under conditions

In case of parasites that require multiple hosts to complete their life cycle, what does definitive host mean?

Uricotelism is an adaptation for:

Among the following which groups of organisms are not uricotelic?

Biomass turnover time is the ratio between biomass and productivity of an ecosystem. Which of the following forests should have the highest biomass turnover time?

Praying mantis is a good example of :

Nitrates are converted into nitrogen by:

If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur:

Among the following which group of animal does not belong to Deuterostomes?

When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:

Which one of the following is the correct sequence of the regions of the embryonic brain in vertebrates?

The rate of molecular evolution would be least in:

Pearl oysters are obtained from the genus: