Multiple Choice Questions

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The ultimate source of energy for a living being is

  • Sunlight

  • ATP

  • Fats

  •  Carbohydrates


A.

Sunlight

Sunlight is the ultimate source of energy as it is the only inexhaustible resource, which is utilised by green plants and is passed on to higher trophic level through a food chain.


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Which of the following is a total root parasite?

  • Cuscuta

  • Rafflesia

  • Santalum

  • Monotrapa


Biotic potential or potential natality means

  • Natural increase of population under ideal/optimum conditions

  • The potential of the organism in a biome

  • Number of organisms in a biome

  • Species of maximum number in a population


Which one of the following population interactions is widely used in medical science for the production of antibiotics?

  • Commensalism

  • Mutualism

  • Amensalism

  • Parasitism


Predation and parasitism are which type of interactions.

  • (+, +)

  • (+, 0 )

  • ( -)

  • (+, -)


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Match the following Columns

Column I Column II
A. Opuntia 1. Stem thorns
B. Asparagus 2. Phylloclades
C. Citrus 3. Cladodes

  • A B C
    1 2 3
  • A B C
    2 3 1
  • A B C
    3 2 1
  • A B C
    2 1 3

The scientific name of gharial is

  • Naja bun garus

  • Gaviails gangeticus

  • Hemidactylusflavivridis

  • None of the above


Which of these is used to control human population?

  • Estrogen + progesterone

  • IUCD and MTP

  • Tubectomy and vasectomy

  •  All of the above


Niche is

  • all the biological factors in the organism's environment

  • the physical space where an organism lives

  • the functional role played by the organism where it lives

  • the range of temperature that the organism needs to live


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Which part of the animal virus is not produced in multiple copies?

  • Capsid

  • Proteins

  • Envelops

  • Ribosome


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