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12th Standard English Medium Biology (Botany) Subject Principles of Ecology Creative 1 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. The ideal soil for Cultivation is:

    (a)

    Loamy soil

    (b)

    Clayey soil

    (c)

    Sandy soil

    (d)

    Silt soil

  2. Identify the indicators of fire.

    (a)

    Pucinia

    (b)

    Pyricularia

    (c)

    Pyronema

    (d)

    Peziza

  3. Statement 1: Holoparsites depend totally on other organisms for nutrition.
    Statement 2: Durnta is holoparasite.

    (a)

    Statement 1 is correct. Statement 2 is incorrect.

    (b)

    Statement 1 is incorrect. Statement 2 is correct

    (c)

    Both the statements are correct.

    (d)

    Both the statements are incorrect

  4. Assertion (A) : Plains and valleys are rich in vegetation
    Reason (R): Slow drain of surface water and better water retention is noticed.

    (a)

    A is true R is false

    (b)

    R explains A

    (c)

    A and R are false

    (d)

    A and R are true. But R doesnot explains A

  5. Earth day is observed on

    (a)

    April 22nd

    (b)

    March 21st

    (c)

    July 07th

    (d)

    September 16th

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