Day 7: MH HSC Class 12 Biology
5 questions. Try each one first, then open its answer.
Question 1
Plant Water Relation. This type asked 2 times: Jul 2024, Feb 2026. This one: Feb 2026
Q. 19What is transpiration? Explain stomatal opening and closing mechanism with reference to starch-sugar interconversion theory.Question 2
Reproduction in Lower and Higher Plants. This type asked 2 times: Mar 2024, Feb 2026. This one: Feb 2026
Q. 18Define : (a) Siphonogamy (b) Parthenocarpy (c) PolyembryonyQuestion 3
Respiration and Circulation. This type asked 2 times: Jul 2024, Feb 2026. This one: Feb 2026
Q. 15Match the respiratory surface to the organism in which it is found :Organisms Respiratory surface / organs (1) Limulus (a) Lungs (2) Protists (b) Internal gills (3) Tadpoles of frog (c) Book lungs (4) Fishes (d) External gills (5) Reptiles (e) Plasma membrane (6) Spiders (f) Book gills (g) Cloaca Question 4
Biodiversity, Conservation and Environmental Issues. This type asked 2 times: Mar 2024, Jul 2025. This one: Jul 2025
Q. 2(v)Identify 'A' from the graph given below showing species area relationship :Question 5
Molecular Basis of Inheritance. This type asked 2 times: Mar 2024, Jul 2025. This one: Jul 2025
Q. 29Describe the transcription and processing of hnRNA to mRNA in Eukaryotes.