Assume a male sparrow (species X) is hatched and reared in isolation and allowed a critical imprinting period to hear the song of male of another sparrow (species Y). Now […]
Category: CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
How Sleep Loss Reduces Learning in Rats: Insights from Experimental Studies
Number of trials required for rates to learn a task when they were exposed to various conditions were as follows: Which of the following inferences is most appropriate? (1) Continuous […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Why Do Gull Parents Remove Eggshells After Hatching? The Evolutionary Advantage of Predator Avoidance
After gull nestlings hatch, the parents remove the egg- shells from the nest. This behavior is to (1) clean the area. (2) reduce infection (3) make more space in the […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Innate and Learned Behaviors in Animals: Understanding Elephants, Ants, Whales, and Bees
Given below are examples of animals and their behaviours. A. Elephant: Innate and learnt behavior B. Ant: Innate behaviour only C. Whale: Learnt behaviours only D. Bee: Innate and learnt […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Proximate and Ultimate Explanations in Animal Behavior: Understanding Social Communication and Group Survival
Pick the statement that includes both a proximate and an ultimate explanation for the evolution of a given behaviour. (1) Elevated heart beat and higher levels of stress hormone (2) […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Ultimate Hypotheses Behind the Western Honey Bee’s Nectar and Pollen Feeding Behavior
The Western honey bee (Apis mellifera) collects nectar and pollen from flowers. The following are few hypotheses proposed to explain this behaviour in A. mellifera: A. In the past, those […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Is the Asian Koel’s Call Innate? Understanding Vocalization in a Brood Parasitic Bird
Given that Asian Koel is a brood parasite, which one of the following statements is TRUE for this species? (1) The brood of the bird is usually infested with parasitic […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Innate Behavior in the Common Cuckoo: How Parasitic Chicks Ensure Their Survival
The common cuckoo, a parasitic bird, lays eggs in the nests of other bird species. Soon after the cuckoo egg hatches, the chick shoves the nest owners’ eggs out of […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Ad Libitum Sampling: Why It’s Not Suitable for Studying Pteridophyte Distribution Patterns
Which one of the following methods is NOT useful for sampling pteridophytes to study their distribution patterns? (1) Ad libitum sampling (2) Quadrat sampling (3) Belt transect sampling (4) Random […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Cope’s Rule: The Evolutionary Law of Increasing Body Size Over Geological Time
Which law states that evolution tends to increase body size over geological time in a lineage of populations? (1) Copes rule (2) Allen’s rule (3) Bergman’s rule (4) Jordon’s rule […]
