Sail E0 Webinar

MCQs

Total Questions : 275 | Page 3 of 28 pages
Question 21. Movement and re-arrangement of cells takes place in
  1.    gastrulation
  2.    neurulation
  3.    blastulation
  4.    Both a and b
 Discuss Question
Answer: Option A. -> gastrulation
Answer: (a).gastrulation
Question 22. In next half century, number of people over age 75 will rise from 8 million to
  1.    10 million
  2.    12.5 million
  3.    14.5 million
  4.    15.5 million
 Discuss Question
Answer: Option C. -> 14.5 million
Answer: (c).14.5 million
Question 23. Light influences growth in
  1.    one way
  2.    two ways
  3.    three ways
  4.    four ways
 Discuss Question
Answer: Option C. -> three ways
Answer: (c).three ways
Question 24. Sponges for regeneration take
  1.    seconds
  2.    hours
  3.    weeks
  4.    months
 Discuss Question
Answer: Option D. -> months
Answer: (d).months
Question 25. In tip of root and shoot, young cells
  1.    posses spherical nuclei
  2.    are non-vacuolated
  3.    posses nuclei in the center of cytoplasm
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Answer: (d).all of the above
Question 26. During cell division phase, number of cells increase by
  1.    meiosis
  2.    mitosis
  3.    multiple fission
  4.    budding
 Discuss Question
Answer: Option B. -> mitosis
Answer: (b).mitosis
Question 27. Of all environmental factors two most important ones controlling growth of plants are
  1.    temperature and light
  2.    temperature and oxygen
  3.    oxygen and water
  4.    oxygen and carbondioxide
 Discuss Question
Answer: Option A. -> temperature and light
Answer: (a).temperature and light
Question 28. In plants, without supply of oxygen
  1.    no metabolic activity is possible
  2.    no growth takes place
  3.    growth still occurs
  4.    Both a and b
 Discuss Question
Answer: Option D. -> Both a and b
Answer: (d).Both a and b
Question 29. Nucleus in acetabularia lies in the
  1.    stalk
  2.    cap
  3.    base
  4.    gills
 Discuss Question
Answer: Option C. -> base
Answer: (c).base
Question 30. Vitamin deficiencies are induced in plants if they are grown in
  1.    light
  2.    dark
  3.    moist places
  4.    dry environment
 Discuss Question
Answer: Option B. -> dark
Answer: (b).dark

Latest Videos

Latest Test Papers