Which statement is least likely to be observed amongst the animals where female showing extensive parental care? (1) Male polygamous (2) Sexual dimorphism (3) Difference in body size of male […]
Tag: Behavior and Evolution
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CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Parental Care and Sexual Dimorphism: Why Unequal Parental Investment Leads to Differences Between the Sexes
When one of the parent invest more time for parental care on offsprings, here we can find (1) Difference in life span of parents (2) Difference in mental level of […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Why Do Male Songbirds Sing? Insights from Territoriality, Fertility, and Song Rate
To understand the singing behaviour in songbirds, the following three characters were measured as shown in the graph: A. Territoriality rate B. Female fertility rate C. Song rate Which one […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
How to Identify the Optimal Territory Size in Animals: Balancing Benefits and Costs
With reference to the graph given below, identity the optimal territory size. (1) A (2) B (3) C (4) D  What Is Optimal Territory Size? Optimal territory size refers to […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
What Best Describes Animal Territories? Understanding the Truth About Territorial Behavior
Select the correct statement that best describes animal territories (1) Are always inherited from the parent (2) Are always non-overlapping with neighbours (3) Extent of territories remain constant over generations […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Understanding Sexual Dimorphism: Why It Is Absent in Myena, Bulbul, and Hyena
The morphological distinct sexual dimorphism is absent in (1) Peacock, Myena, bulbul (2) Crow, peacock, bulbul (3) Hyena, bulbul, Sparrow (4) Myena, bulbul, Hyena  What is Sexual Dimorphism? Sexual […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
 The Extraordinary Sensory Power of Elephants: Emission and Detection of Ultra-Low Frequency Sounds
An extraordinary sensory ability that elephants possess is. (1) emission and detection of ultra-high frequency sounds. (2) emission and detection of ultra-low frequency sounds. (3) detection of changes in earth’s […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
Why Hanuman Langurs Commit Infanticide After Harem Takeover: The Evolutionary Drive for Reproductive Advantage
Hanuman languor when occupy Haram starts infanticide because- (1) They does not want child of earlier dominant male to survive (2) For reproductive advantage (3) To remove alleles of dominant […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
 Infanticide After Harem Takeover: Why Hanuman Langurs Exhibit High Rates
High degree of infanticide after takeover of harem by invading male is observed in (1) Lion (2) Tiger (3) Leopard (4) Hanuman Langur  Understanding Infanticide in Animal Societies Infanticide […]
CSIR NET Life Science Previous Year Questions and Solution on Brain, Behavior and Evolution
 Understanding Unsynchronized EEG Signals: When Do They Occur in Sleep and Wakefulness?
Unsynchronized signals in EEG are generated during (1) Deep Sleep (2) REM sleep (3) Active but quite                             (4) Active and non-quite  What Are Unsynchronized EEG Signals? Unsynchronized EEG […]
