Multiple Choice Questions

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Which of these is used to control human population?

  • Estrogen + progesterone

  • IUCD and MTP

  • Tubectomy and vasectomy

  •  All of the above


A.

Estrogen + progesterone

To control the human population many births control methods can be used, such as hormonal method, ie, use of contraceptive pills (estrogen and progesterone are main constituents), mechanical prevention method, i.e., use of IUCDs (Intrauterine Contraceptive Device), surgical sterilization methods, like tubectomy (surgical removal of fallopian tubules) or vasectomy (surgical removal of vas deferens).


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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


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

  • Commensalism

  • Mutualism

  • Amensalism

  • Parasitism


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

  • Capsid

  • Proteins

  • Envelops

  • Ribosome


The ultimate source of energy for a living being is

  • Sunlight

  • ATP

  • Fats

  •  Carbohydrates


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Predation and parasitism are which type of interactions.

  • (+, +)

  • (+, 0 )

  • ( -)

  • (+, -)


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


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

Which of the following is a total root parasite?

  • Cuscuta

  • Rafflesia

  • Santalum

  • Monotrapa


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The scientific name of gharial is

  • Naja bun garus

  • Gaviails gangeticus

  • Hemidactylusflavivridis

  • None of the above


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