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Quiz 15
Mdcat-past-papers - ETEA - Biology Quiz
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Board: ETEA | Subject: Biology |
281. The corpus luteum is essentially formed from:
Graafian follicle
Oogonium
Ovum
Oocyte
282. The outer layer of uterus is called:
Endometrium
Myometrium
Mesometrium
Perimetrium
283. The incubation period of syphilis is:
1-2 weeks
2-3 weeks
3-4 weeks
07 days
284. --------- is spread through sexual contact:
Gonorrhoea
Influenza
Tuberculosis
Typhoid
285. An exception to Mendel's law is:
Linkage
Dominance
Purity of gametes
Independent assortment
286. Locus of gene on a chromosome means its:
Position
Function
Start point
End Point
287. A male or female child of an affected mother has 50% chance of acquiring the disorder. Such a disorder is:
X linked recessive disorder
X linked dominant disorder
Y linked Dominant disorder
Y linked recessive Disorder
288. Mendel's law of independent assortment can be explained by:
Behaviour of chromosomes in mitosis
Gene behaviour in meiosis
Behaviour of chromosomes in meiosis
both a & b
289. The genetic make up that your parents have transferred to you for your hair color, makes up your:
Genotype
Trait
Phenotype
None of the above
290. Which term best describes an organism's physical characteristic?
Allelic
Trait
Genotype
Phenotype
291. Who proposed the concept that an organism can pass on acquired modifications to its offspring?
Lamarck
Darwin
Malthus
Aristotle
292. According to Neo-Darwinism, Which of the following is a cause of evolution?
Reproductive isolation
Infinite large population
Environmental Stability
a and b
293. Darwin's Origin of species by natural selection is mainly concerned with:
Origin of life
Adaptation
Extintion
Speciation
294. The basis of Lamarck theory of inheritance is:
Survival of the fittest
Selection by nature
Inheritance of acquired character
Theory of special creation
295. The embryological stages of ------- show similarity in anatomical features.
All living things
All vertebrates
All non-vertebrates
Human, jelly fish and mouse
296. Wings of birds and that of flying lizards provide the evidence of:
Convergent evolution
No evolution
Divergent evolution
Same origin
297. According to Lamarckism, the basis of evolution is:
Inheritance of acquired characteristics
Natural selection
Mutation
Survival of the fittest
298. What best describes the hind leg bones seen in the whale?
Analogous to the fin of living fish
Fossil structure from an extinct ancestor
Homologous structure of the wings of a bat
Vestigial structures that had a function in an ancestor
299. The term "survival of the fittest" was used by:
Lamarck
Darwin
Herbert Spencer
Mayr
300. The raw material that is used by natural selection for better survival is/are:
Variation only
Mutation only
Similarity
Variation and mutation
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