Day 19: MH HSC Class 12 Biology

5 questions. Try each one first, then open its answer.

Question 1
Inheritance and Variation. Asked once: Feb 2026
Q. 4 $Differentiate between complete sex-linkage and incomplete sex-linkage with reference to location of the gene and inheritance.$
Question 2
Molecular Basis of Inheritance. Asked once: Feb 2026
Q. 6 $\mathrm{H_1}$
Question 3
Organisms and Populations. Asked once: Feb 2026
Q. 17 $(a) Distinguish between hibernation and aestivation. (b) Give two behavioural adaptations of desert animals.$
Question 4
Origin and Evolution of Life. Asked once: Jun 2026
Q. 15 $Write any three characters each of Archaeopteryx showing Reptilian and Avian features.$
Question 5
Plant Growth and Mineral Nutrition. Asked once: Jun 2026
Q. 2(iv) $What are Long Day Plants (LDP)?$

Question 1