| Column–A | Column–B | ||
| 2.13. | ADH | (a) | Decline in Wetland |
| 2.14. | Amitosis | (b) | Convergent Evolution |
| 2.15. | Thalassaemia | (c) | Palash (Flame of the forest) |
| 2.16. | Analogous organ | (d) | Spindle fibre is not formed |
| 2.17. | Increase in human population | (e) | Decreases the volume of urine through reabsorption of water from the distal convoluted tubule of nephron |
| 2.18. | Ontholiphonus flower of Paddy | (f) | Paddy |
| (g) | Recessive Mutant gene located on Autosome |
2.13 – (e)
2.14 – (d)
2.15 – (g)
2.16 – (b)
2.17 – (a)
2.18 – (c)
More WBBSE Moderate level questions
Draw a scientific diagram of anaphase stage of mitosis of animal cell and label the following parts: Daughter chromosome, Continuous fibre, Centriole, Chromosomal fibre
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What information related to evolution can be obtained from the discussion on comparative structure of hearts of different vertebrate groups ? Explain the following two terms in the light of Darwinism - (a) Survival of the fittest (b) Natural selection OR Explain the evolutionary significance of homologous and analogous organs with the help of example. What are the adaptive significances of air sacs of Pigeon ? [3+2=5]
Write the name of the chemical constituents of eukaryotic chromosome with the help of a table. What happens to a cell when the cell loses control at different points in cell cycle on division ? [3+2=5] OR What events occur during Anaphase stage of mitotic cell division ?Show the steps of sexual reproduction of flowering plants with the help of word diagram. [3+2=5]
