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MCQs

Total Questions : 310 | Page 28 of 31 pages
Question 271. In ovoviparous animals, embryo receives its nourishment from
  1.    mother's blood
  2.    placenta
  3.    egg white
  4.    egg yolk
 Discuss Question
Answer: Option D. -> egg yolk
Answer: (d).egg yolk
Question 272. Average loss of blood during child birth is
  1.    100 cm³
  2.    350 cm³
  3.    250 cm³
  4.    150 cm³
 Discuss Question
Answer: Option B. -> 350 cm³
Answer: (b).350 cm³
Question 273. Organisms produced from a single cell by subculturing are called
  1.    copies
  2.    clones
  3.    replicas
  4.    partners
 Discuss Question
Answer: Option B. -> clones
Answer: (b).clones
Question 274. Ovum, after release, is then transferred to
  1.    oviduct
  2.    sperm duct
  3.    vas deferens
  4.    epididymis
 Discuss Question
Answer: Option A. -> oviduct
Answer: (a).oviduct
Question 275. Evolution of pollen tube is an important step in land adaptation by
  1.    spermatophytes
  2.    bryophytes
  3.    cycadophyta
  4.    pinophyta
 Discuss Question
Answer: Option A. -> spermatophytes
Answer: (a).spermatophytes
Question 276. Two male gametes are formed by the
  1.    vegetative nucleus
  2.    generative nucleus
  3.    tube nucleus
  4.    endosperm nucleus
 Discuss Question
Answer: Option B. -> generative nucleus
Answer: (b).generative nucleus
Question 277. In plants, Placenta is part of
  1.    funicle that connects to the ovary
  2.    fruit
  3.    seed
  4.    cotyledons
 Discuss Question
Answer: Option B. -> fruit
Answer: (b).fruit
Question 278. Plumule and radical generate from the
  1.    zygote
  2.    endosperm nucleus
  3.    embryo
  4.    bottom of the seed
 Discuss Question
Answer: Option A. -> zygote
Answer: (a).zygote
Question 279. In plants, Zygote refers to the
  1.    fusion of male gamete with ovum
  2.    endosperm nucleus
  3.    antipodes
  4.    generative nucleus
 Discuss Question
Answer: Option A. -> fusion of male gamete with ovum
Answer: (a).fusion of male gamete with ovum
Question 280. Spread of diseases can be reduced through proper
  1.    plantation of seeds
  2.    seed dispersal
  3.    overcrowding of species in a certain area
  4.    germination of seeds
 Discuss Question
Answer: Option B. -> seed dispersal
Answer: (b).seed dispersal

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