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Botany - Principles of Ecology 1 Mark Creative Question Paper With Answer Key

12th Standard

    Reg.No. :
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Biology

Time : 00:15:00 Hrs
Total Marks : 15

    Multiple Choice Question

    15 x 1 = 15
  1. Autoecology deals with the study of ___________.

    (a)

    Community

    (b)

    Population

    (c)

    Individual species

    (d)

    Niche of species

  2. The ideal soil for Cultivation is:

    (a)

    Loamy soil

    (b)

    Clayey soil

    (c)

    Sandy soil

    (d)

    Silt soil

  3. The study of soil is called as __________

    (a)

    Lithotripsy

    (b)

    Lithosphere

    (c)

    Pedology

    (d)

    Pedigree analysis

  4. Identify the indicators of fire.

    (a)

    Pucinia

    (b)

    Pyricularia

    (c)

    Pyronema

    (d)

    Peziza

  5. Statement 1: Latitudes represent distance from the equator.
    Statement 2: Height above the seal level from longitude.

    (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

  6. 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

  7. Statement 1: Ephemerals are drought evaders.
    Statement 2: They are not true xerophytes.

    (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

  8. 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

  9. Utricularia is a __________.

    (a)

    Rooted floating hydrophyte

    (b)

    Submerged floating hydrophyte

    (c)

    Rooted submerged hydrophyte

    (d)

    Amphibious hydrophyte

  10. Earth day is observed on

    (a)

    April 22nd

    (b)

    March 21st

    (c)

    July 07th

    (d)

    September 16th

  11. The acceptable definition of ecology was by

    (a)

    Odum

    (b)

    Reiter

    (c)

    Ernst Haeckel

    (d)

    R. Misra

  12. The term niche was coined by and the term was used by

    (a)

    Odum & Roswell Hill |ohnson

    (b)

    Roswell Hill Johnson &Grinell

    (c)

    Grinell & Odum

    (d)

    Odum & Grinell

  13. Match the following

    (A) 400-500nm (1) red
    (B) 600-700 nm (2) blue
    (C) 500-600 nm (3) violet
    (D) 400 nm (4) green
    (a)

    (A) 1, (B) 2, (C) 3,(D) 4

    (b)

    (A) 3, (B) 4, (C) 2,(D) 1

    (c)

    (A) 4, (B) 3, (C) 1,(D) 2

    (d)

    (A) 2, (B) 1, (C) 4,(D) 3

  14. An example for eurythermal

    (a)

    Zostera

    (b)

    Mango

    (c)

    Angiosperm

    (d)

    Palm

  15. Find out the incorrect pair

    (a)

    Epilimnion-Upper layer

    (b)

    metalimnion-Middle layer

    (c)

    Hlpolimnion-Bottom layer

    (d)

    Latitude-0o-190o

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