Free Net Life Science Study Materials

Life Science NET June 2015 Question Paper with Answer Key and Explanations (Part B: Question 56-70)

Different types of evolution

Punctured Equilibrium Vs Phyletic Gradualism (source wikipedia)

CSIR/JRF/NET: Life Sciences, June 2015 (I)
(Original Question Paper)

PART: B (Questions 56 – 70)

(56).  Which of the following fungal groups has septate hyphae and reproduces asexually by budding, conidia and fragmentation?

a.       Basidiomycota
b.      Zygomycetes
c.       Chytrids
d.      Glomeromycota

(57).  The most commonly used molecular tool for phylogenetic analysis involves sequencing of:

a.       Mitochondrial DNA
b.      Mitochondrial RNA
c.       Ribosomal RNA
d.      Nuclear DNA

(58).  The dynamics of any sub-population within a meta-population differs from that of normal population in that the:

a.       Birth rates are lower than the death rates
b.      Death rates are lower than the birth rates
c.       Immigration and emigration rates are significantly higher
d.      Immigration and emigration rates are negligible

(59).  Which of the following is NOT semelparous?

a.       Dracena
b.      Bamboo
c.       Cicada
d.      Mayfly

Continue reading