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BIOLOGY MCQs

Total Questions : 2561 | Page 252 of 257 pages
Question 2511. A living part of the organisms environment is known as
  1.    Habitat
  2.    Biotic Factor
  3.    Non­living factor
  4.    Abiotic Factor
 Discuss Question
Answer: Option B. -> Biotic Factor
Question 2512. Which of the following is responsible for Vermicomposting?
  1.    Worms
  2.    Birds
  3.    Bacteria
  4.    Fungus
 Discuss Question
Answer: Option A. -> Worms
Question 2513. Secondary consumers are eaten by larger
  1.    Animal in the third trophic level
  2.    Predator
  3.    Fast animal
  4.    Herbivorous animal
 Discuss Question
Answer: Option B. -> Predator
Question 2514. Some of the conifers in our northern areas include
  1.    All of these
  2.    Abies
  3.    Cedrus
  4.    Pines
 Discuss Question
Answer: Option A. -> All of these
Question 2515. Which of these plants grow in an environment that is neither very wet nor very dry?
  1.    Sporophyte
  2.    Tracheophytes
  3.    Mesophytes
  4.    Saprophytes
 Discuss Question
Answer: Option C. -> Mesophytes
Question 2516. Which statement describes decomposers?
  1.    Decomposers are those organisms that recycle matter in the ecosystem
  2.    Decomposers can produce their own source of energy and can sometimes act as primary producers
  3.    All listed here
  4.    Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems
 Discuss Question
Answer: Option A. -> Decomposers are those organisms that recycle matter in the ecosystem
Question 2517. Lichen is a composite combination of two organisms.
  1.    Algae and Fungi
  2.    Fungi and Fern
  3.    Fungi and Bryophyta
  4.    Algae and Bryophyta
 Discuss Question
Answer: Option A. -> Algae and Fungi
Question 2518. A species inhabiting different geographical areas is known as
  1.    Sibling species
  2.    Allopatric species
  3.    Bio species
  4.    Sympatric species
 Discuss Question
Answer: Option B. -> Allopatric species
Question 2519. Nitrogen Fixation is carried out primarily by
  1.    Bacteria
  2.    Plants
  3.    Humans
  4.    Consumers
 Discuss Question
Answer: Option A. -> Bacteria
Question 2520. Organisms that depend only on raw plant products are said to be
  1.    Herbivorous
  2.    Omnivorous
  3.    Vegetarian
  4.    Carnivorous
 Discuss Question
Answer: Option A. -> Herbivorous

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