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MCQs

Total Questions : 310 | Page 25 of 31 pages
Question 241. Mechanism that produces new generations and maintains a specie is
  1.    inheritance
  2.    reproduction
  3.    heredity
  4.    budding
 Discuss Question
Answer: Option B. -> reproduction
Answer: (b).reproduction
Question 242. Identical twins are result of
  1.    meiotic division
  2.    non-disjunction of chromosomes
  3.    mitotic division
  4.    both mitotic and meiotic division
 Discuss Question
Answer: Option C. -> mitotic division
Answer: (c).mitotic division
Question 243. Genetic variations are produced in
  1.    asexual reproduction
  2.    sporulation
  3.    meiosis
  4.    clonning
 Discuss Question
Answer: Option C. -> meiosis
Answer: (c).meiosis
Question 244. Embryo at two celled stage has
  1.    two blastomeres
  2.    two gastromeres
  3.    two centromere
  4.    three blastomeres
 Discuss Question
Answer: Option A. -> two blastomeres
Answer: (a).two blastomeres
Question 245. Sexual reproduction involves
  1.    mitosis
  2.    budding
  3.    meiosis
  4.    tubers
 Discuss Question
Answer: Option C. -> meiosis
Answer: (c).meiosis
Question 246. Duration of chilling treatment in vernalisation varies from
  1.    four days to four weeks
  2.    four days to ten days
  3.    four days to three months
  4.    one month to three months
 Discuss Question
Answer: Option C. -> four days to three months
Answer: (c).four days to three months
Question 247. Total gestation period in humans is about
  1.    50 days
  2.    180 days
  3.    100 days
  4.    280 days
 Discuss Question
Answer: Option D. -> 280 days
Answer: (d).280 days
Question 248. Each testis consists of a highly complex duct system called
  1.    follicle cells
  2.    glomerulus
  3.    seminiferous tubules
  4.    interstitial cells
 Discuss Question
Answer: Option C. -> seminiferous tubules
Answer: (c).seminiferous tubules
Question 249. Motile male gamete or sperm is also known as
  1.    ova
  2.    antherozoid
  3.    zygote
  4.    archegonia
 Discuss Question
Answer: Option B. -> antherozoid
Answer: (b).antherozoid
Question 250. Menstrual cycle can be divided into
  1.    two phases
  2.    three phases
  3.    four phases
  4.    five phases
 Discuss Question
Answer: Option C. -> four phases
Answer: (c).four phases

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