Unit - 9 & 10 | CSIR NET Life Science Question Paper Solved February - 2022 Shift 1

#pathfinderAcademy #csirnetlifescience #csirnet #lifesciences #lifescienceTestSeries TELEGRAM ► https://t.me/CSIR_NET_Life_Sciences_G... FACEBOOK ►   / pathfinderacademy.in   INSTAGRAM ►   / pathfinderacademy   WEBSITE ► https://pathfinderacademy.in/ ANDROID APP ► https://bit.ly/3J7KNqg ------------------------------------------------------------------------------------------- CSIR JRF NET Life Sciences Books: https://goo.gl/0RBS91 MSc Biotechnology Books : https://bit.ly/3KhS9IX GATE Biotechnology Books: https://bit.ly/34zp09r GATE Life Sciences Books: https://bit.ly/3ranLam Pathfinder Publication: https://pathfinderacademy.in/pathfind... ------------------------------------------------------------------------------------------- CSIR NET - Life Sciences question papers download: https://bit.ly/3MMPk4D GATE Biotechnology Previous Year Question Papers: https://bit.ly/36fPTmy MSc Previous Year Question Papers: https://bit.ly/3uefQwi ------------------------------------------------------------------------------------------- CSIR JRF NET Life Sciences Offline classes: https://goo.gl/8cP1C0 CSIR JRF NET Life Sciences Online classes: https://bit.ly/3bLEyaR CSIR JRF NET Life Sciences Test Series: https://goo.gl/d6qdbZ ------------------------------------------------------------------------------------------- GATE Biotechnology Online classes: https://bit.ly/37kQzaW GATE Biotechnology Online Test Series: https://bit.ly/34wI4p0 ------------------------------------------------------------------------------------------ M.Sc Biotechnology & Life Sciences Online classes: https://bit.ly/38ye9S7 M.Sc Biotechnology & Life Sciences Correspondence: https://goo.gl/dFi51V M.Sc Biotechnology & Life Sciences Online Test Series: https://bit.ly/3rfUafQ ------------------------------------------------------------------------------------------- 00:00 Unit - 9 & 10 _ Diversity of life Forms and ecological principles shift - 1 00:21 Eukaryotes are classified into 5-6 super groups based on phylogenomic studies. Which one of the following statements about eurkaryotic supergroups is false? 02:00 Which of the following combinations would best characterize the dominant phase of the life cycle of a pteridophyte? 09:14 The following are a few statements on shade leaves vis-à-vis sun leaves in tree species: P. Higher amount of chlorophyll per dry weight. Q. Lower density of stomata. R. Thicker leaves. S. Lower rates of dark respiration per unit area. Which one of the following combinations of above statements is correct? 11:06 Which one of the following gases is present in the stratosphere at a concentration higher than its concentration in troposphere? 12:19The graph below shows the change in the size of four populations (A-D) over time. Which among the four populations (A, B, C and D) would have the lowest intrinsic rate of population growth (r)? 13:33 Consider the following ecosystems. P. Tropical rain forests Q. Open ocean R. Algal beds and Coral reefs S. Marshes and Swamps Which one of the following options represents these ecosystems in an increasing order of their contribution to annual world net primary production? 15:20 Historical frequencies of fires in an area can be determined by 16:25 Mimicry where deceptiveness of the mimic’s signal is high and fitness consequences signaled to the receiver by the mimic is also high (and negative) is 18:54 The tables below show the bird species and their abundance in three habitats P, Q and R....Which one of the combinations below best represents the habitats in decreasing order of diversity? 20:48 The graphs given below show the possible behavior of two species over the course of succession.Possible effects observed during succession are: 1. Total suppression 2. Convergence 3. Sequential succession Choose the correct option matching the graphs with the possible effect: 22:22 Consider the following graphs for per capita growth rate (1/N) (dN/dt) as a function of population density (N)....Which one of the plots correctly depicts strong Allee effect in a population? 24:01 A researcher working on island biogeography mapped how isolation-controlled immigration (I), and area-controlled extinction (E), will act on number of species present on the islands. He forgot to label the size of the islands (small or large) and the location of the islands (near or far) on the graph. Using information from MacArthur and Wilson’s equilibrium theory, select the option that correctly identifies A, B, C and D in the figure above.