EVOLUTION (Biology objective questions)

 EVOLUTION

अगर आप NEET तथा 12th बोर्ड CBSE , BSEB( Bihar board) BIOLOGY की तैयारी के लिए OBJECTIVE QUESTION ढूंढ रहे हैं तो निश्चित रूप से आप सही जगह पर है।

इस ब्लॉग में हम लेकर आए हैं NEET , CBSE तथा BSEB बायोलॉजी के IMPORTANT OBJECTIVE QUESTION जो आपकी तैयारी में काफी मदद करेगी। आशा करता हूं आप काफी लाभंवित होंगे।

Biology objective questions for NEET, BSEB and CBSE .

        Topic:-     EVOLUTION 

1. Industrial melanism as observed in in peppered moth proves that

a) Melanism is pollution generated feature

b) The true black melanic forms arise by a recurring random mutation

c) The melanic form of the moth  has no selective advantage over lighter form in industrial area

d) The lighter form mouth has no selecting advantage either in polluted industrial area or non polluted area

2. Select the correct statement

a) Mutations are random and directional

b) Darwinian variations are small and directionless

c) fitness is the end result of the ability to adapt and gets selected by nature.

d) All mammals except whales and camels have seven cervical vertebrae.

3. Darwin’s finches are an excellent example of

a) Connecting links

b) Adaptive radiation

c) Seasonal migration

d) Brood parasitism

4. The finches of Galapagos islands provide an evidence in favour of

a) Biogeographical evolution

b) Special creation

c) Evolution due to mutation

d) Retrogressive evolution

5. Sickle cell anaemia has not been eliminated from the African population because

a) It is not a fatal disease

b) It provides immunity against malaria

c) It is controlled by dominant genes

d) It is controlled by recessive genes

6. Hardy Weinberg equilibrium operates in absence of

a) Mutation

b) Natural selection

c) Recombination

d) All of these

7. The non directional force that alters Hardy Weinberg equilibrium is

a) Genetic drift

b) Gene flow

c) Gene recombination

d) Mutation

8. Animals of  cold countries have shorter ears, this is

a) Allen's rule

b) Cope’s  rule

c) Bergmann's rule

d) Dollo's rule

9. Select the pair that does not match

a) Linnaeus - species are not immutable

b) Darwin's  finches – Unique to Galapagos

c) Hugo De Varies – evolution is discontinuous

d) Coacervates - aggregates of organic compounds 

bounded by organic membrane.

10. Which of the following is not true for a species?

a) Members of a species can interbreed

b) Gene flow does not occur between the populations of a species.

c) each species is reproductively isolated from every other species.

d) Variations occur among members of a species.

11. Highest cranial capacity is found in

a) Homo sapiens sapiens

b) Neanderthal man

c) Peking man

d) Cro- Magnon man

12. Common link between apes and man was

a) Ramapithecus

b) Dryopithecus

c) Homo erectus

d) Homo neanderthalensis

13. The least cranial capacity was that of

a) Cro Magnon man

b) Java man

c) Neanderthal man

d) Peking man

14. Which book was written by Charles Darwin?

a) Origin of species

b) Species plantarum

c) Origin of life

d) Scala Naturae

15. Which one is closest to modern man?

a) Cro Magnon man

b) Neanderthal man

c) Homo erectus

d) Homo habilus

16. Sum total of genes in a population is called

a) Genotype

b) Gene flow

c) Genetic constitution

d) Gene pool

17. The ship in which Darwin travelled was

a) Titanic

b) Beagle

c) Atlantic

d) Seagull

18. Frequency of a gene in a population will increase if the gene is

a) Lethal

b) Dominant

c) Recessive

d) Favourably selected

19. Sympatric speciation is caused by

a) Genetic isolation

b) Interbreeding

c) Geographical isolation

d) Reproductive isolation

20. Phenomenon of industrial melanism demonstrates

a) Geographical isolation

b) Natural selection

c) Reproductive isolation

d) Induced mutation

21. Genetic drift

a) Is random change in gene frequency

b) Has nothing in common with inbreeding

c) Is an orderly change in gene frequency

d) Produces greatest fluctuations in large population

22. Ultimate source of variation is

a) Mutation

b) Sexual reproduction

c) Genetic drift

d) None of the above

23. Hugo De Varies worked on the plant

a) Pisum sativum

b) Athyrus odoratus

c) Primula sinensis

d) Oenothera lamarckiana

24. which one of the following sequences was proposed by Darwin and Wallace for organic evolution

a) Over production, variations , constancy of population size,  natural selection

b) Variations , constancy of population size,  over production,  natural selection

c) Over production,  constancy of population size,  variations, natural selection

d) Variations,  natural selection,  over production,  constancy of population size

25. Under Spark discharge apparatus 'Simulation experiment' conducted by

a) Louis pasture

b) Miller and Urey

c) Haldane and Oparin

d) Weismann

Answer:- 

1.  b.   2.  c.     3.   b.     4.  a.      5.  b.       6.  d.        

7. a     8. a.      9.  a.      10. b.   11. d.       12. b. 

13. b. 14. a.  15.  a.    16. d.     17. b         18. d    

19. d. 20.  b.   21.a.    22. a     23. c         24.  c.  

 

25.  b