Flycatcher birds that migrate from Africa to Europe feed their nestlings mostly with moth caterpillars. The data presented show the mean dates of egg laying, hatching, and fledging of flycatcher young, and the 1980 and 2000 peak mass of caterpillars.

The most likely cause for the shift in caterpillar peak mass is

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#Question id: 23788

#Unit 7. System Physiology – Animal

Magno, or M cells and parvo or P cells are which types of cells?

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#Question id: 29418

#Unit 6. System Physiology – Plant

Phases of the Calvin cycle and their catalyzing enzymes and class is given 

(a) Carboxylation is catalyzed by rubisco 

(b) Carboxylation is catalyzed by PGK and GAPDH

(c) Reduction of 3-phosphoglycerate is catalyzed by PGK and GAPDH

(d) Regeneration is catalyzed by isomerase, aldolases, and epimerases

Choose which of the following is INCORRECT

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#Question id: 12764

#Unit 10. Ecological Principles

In which of the following habitats would you expect to find the largest number of K-selected individuals? 

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#Question id: 4788

#Unit 8. Inheritance Biology

The wild-type (W) Abraxas moth has large spots on its wings, but the lacticolor (L) form of this species has very small spots. Crosses were made between strains differing in this character, with the following results:

 What are correct conclude from genetic explanation of the results in these two crosses

a. female are heterogametic but male are homogametic for sex chromosome

b. female are homogametic but male are heterogametic for sex chromosome

c.Trait  for spot shape linked with sex chromosome

d. Trait  for spot shape linked with autosome chromosome

e. Gene  for spot shape  present on  mitochondrial genome

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#Question id: 7493

#General Aptitude

A Swiss watch in a museum has a very peculiar property. It gains as much in the day as it loses during night between 8 pm to 8 am. in a week how many times will the clock show the correct time?