12th class (Fsc) Biology unit 10 MCQs
chapter 10 MCQs 12th Class Biology
Evolution:
1. The smallest biological unit that can evolve over time is:
a. A population
b. A particular cell
c. A species
d. An individual organism
2. Among the scientists who believed in divine creation was:
a. Alfred Wallace
b. Charles Darwin
c. Jean Lamarck
d. Carolus Linnaeus
3. Essay on the principal of population was published by:
a. Linnaeus
b. Darwin
c. Malthus
d. Wallace
4. Lyell published the principal of:
a. Paleontology
b. Ecology
c. Genetics
d. Geology
5. Darwin’s “Origin of Species” was published in:
a. 1865
b. 1840
c. 1890
d. 1859
6. Change in frequency of alleles at a locus that occurs by chance is called:
a. Migration
b. Genetic drift
c. Non-random mating
d. Mutation
7. Who believed in the theory of special creation?
a. Carolus Linnaeus
b. Lamark
c. Hyell
d. Darwin
8. The gill pouches of mammals and birds’ embryos are:
a. Used by the embryos to breathe
b. Supportive “ontogeny recapitulates phylogeny”
c. Evidence for the degeneration of unused body parts
d. Homologous structure
9. Darwin’s theory, as presented in “The Origin of Species” mainly connected:
a. How adaptations evolve
b. How new species arise
c. How extinctions occur
d. The origin of life
10. How many types of finches did Darwin collect on Galapagos island?
a. 25 types
b. 13 types
c. 30 types
d. 20 types
11. The first photosynthetic organisms probably used hydrogen sulphide as a source of hydrogen for reducing CO2 to:
a. RUBP
b. Sugars
c. Malate
d. H2CO3
12. Inheritance of acquired characteristics was proposed by:
a. Lamarck
b. Darwin
c. Malthus
d. Mendel
13. Acquired characteristics of an individual cannot be:
a. Lost
b. Inherited
c. Migrated
d. Flourished
14. Flagella may have arisen through the ingestion of prokaryotes similar to spiral shaped bacteria called:
a. Spirochete
b. E.Coli
c. Rhizobium
d. Streptococcus
15. Archaeobacteria can tolerate temperature upto:
a. 1600C
b. 1200C
c. 1800C
d. 1400C
16. According to endosymbiont hypothesis, the aerobic bacteria developed into:
a. Mitochondria
b. Ribosome
c. Golgi apparatus
d. Lysosome
17. Endosymbiont hypothesis explains origin of:
a. Eukaryotic cell
b. Cell
c. Ribosome
d. Prokaryotic cell
18. Alfred Wallace developed a theory of natural selection essentially:
a. Lamarck’s
b. Linnaeu’s
c. Mendel’s
d. Darwin’s
19. A group of bacteria that can tolerate temperature upto 1200C:
a. Archaebacteria
b. Eubacteria
c. E. Coil
d. Mycoplasma
20. Which respiratory protein is found in all aerobic species?
a. Serine
b. Glial cell line
c. Cysteine
d. Cytochrome
21. Biogeography is the geographical distribution of:
a. Classes
b. Phylum
c. Genera
d. Species
22. Which of the following is vestigial organ of whale?
a. Lungs
b. Pelvis
c. Pelvis and leg bones
d. Leg bones
24. Tubes that connect the middle ear with the throat in humans are called:
a. Fallopian tube
b. Eustachian tube
c. Nephridial tube
d. Neural tube
25. In human Eustachian tubes connect middle car with:
a. Throat
b. Nose
c. Brain
d. Eye