Day 12: MH HSC Class 12 Biology
5 questions. Try each one first, then open its answer.
Question 1
Origin and Evolution of Life. Asked once: Jul 2024 (same type asked 2 times)
Q. 5Arrange the following stages of human evolution in the order of their increasing cranial capacity : (a) Homo - Sapiens (b) Neanderthal man (c) Australopithecus (d) Homo-erectusQuestion 2
Plant Water Relation. Asked once: Jul 2024 (same type asked 2 times)
Q. 27Describe mechanism of opening and closing of stomata with reference to : (a) Starch-sugar interconversion theory (b) Proton transport theoryQuestion 3
Reproduction in Lower and Higher Plants. Asked once: Mar 2024 (same type asked 2 times)
Q. 30Explain following terms : (a) Grafting (b) Apomixis (c) Polyembryony (d) ParthenocarpyQuestion 4
Respiration and Circulation. Asked once: Jul 2024 (same type asked 2 times)
Q. 9Identify A,B,C and D from the following table regarding respiratory system :Organism Habitat Respiratory organ A Terrestrial Tracheal tubes and spiracles Scorpions Terrestrial B Sponges C Plasma membrane Turtles Underwater D Question 5
Biodiversity, Conservation and Environmental Issues. Asked once: Mar 2024 (same type asked 2 times)
Q. 1(x)Observe the graph and select correct option :Tap an option to check your answer.