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BIOLOGY MCQs

Total Questions : 2561 | Page 250 of 257 pages
Question 2491. A cell wall material present only in blue green algae and bacteria is
  1.    Cellulose
  2.    Pectin
  3.    Glycogen
  4.    Muramic acid
 Discuss Question
Answer: Option D. -> Muramic acid
Question 2492. Bacteria are (were) considered more as plants than animals because of the presence of
  1.    Cell wall
  2.    Spore formation
  3.    Small nucleus
  4.    Plasma membrane
 Discuss Question
Answer: Option A. -> Cell wall
Question 2493. Blue green algae posses chorophlyll along with a pigment known as
  1.    Chlorophy
  2.    Haemoglobin
  3.    None of these
  4.    Phycobilin
 Discuss Question
Answer: Option D. -> Phycobilin
Question 2494. Kelps are obtained from
  1.    Lichens
  2.    Marine algae
  3.    Fresh water algae
  4.    Algae
 Discuss Question
Answer: Option B. -> Marine algae
Question 2495. Anopheles mosqito carries Plasmodium which causes malaria in
  1.    All of these
  2.    Animals
  3.    Sparrows
  4.    Humans
 Discuss Question
Answer: Option D. -> Humans
Question 2496. Liver fluke is parasite in the liver of
  1.    Sheep
  2.    Goat
  3.    All of these
  4.    Cattle
 Discuss Question
Answer: Option C. -> All of these
Question 2497. Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is
  1.    A vector
  2.    Carrier organism
  3.    Droplets of saliva
  4.    Direct contact
 Discuss Question
Answer: Option C. -> Droplets of saliva
Question 2498. Anopheles mosquito carries Plasmodium which causes malaria in
  1.    Sparrows
  2.    Humans
  3.    Animals
  4.    All of these
 Discuss Question
Answer: Option B. -> Humans
Question 2499. Most bacteria reproduce by
  1.    Binary fission
  2.    Budding
  3.    Mitosis
  4.    Fragmentation
 Discuss Question
Answer: Option A. -> Binary fission
Question 2500. Which of the following is an Abiotic factor?
  1.    Animals
  2.    Plants
  3.    Water
  4.    Consumers
 Discuss Question
Answer: Option C. -> Water

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