PYQ Vault

Day 12: MH HSC Class 12 Biology

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

  1. Question 1

    Origin and Evolution of Life. Asked once: Jul 2024 (same type asked 2 times)

    Q. 5
    Arrange the following stages of human evolution in the order of their increasing cranial capacity : (a) Homo - Sapiens (b) Neanderthal man (c) Australopithecus (d) Homo-erectus
  2. Question 2

    Plant Water Relation. Asked once: Jul 2024 (same type asked 2 times)

    Q. 27
    Describe mechanism of opening and closing of stomata with reference to : (a) Starch-sugar interconversion theory (b) Proton transport theory
  3. Question 3

    Reproduction in Lower and Higher Plants. Asked once: Mar 2024 (same type asked 2 times)

    Q. 30
    Explain following terms : (a) Grafting (b) Apomixis (c) Polyembryony (d) Parthenocarpy
  4. Question 4

    Respiration and Circulation. Asked once: Jul 2024 (same type asked 2 times)

    Q. 9
    Identify A,B,C and D from the following table regarding respiratory system :
    OrganismHabitatRespiratory organ
    ATerrestrialTracheal tubes and spiracles
    ScorpionsTerrestrialB
    SpongesCPlasma membrane
    TurtlesUnderwaterD
  5. 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.