Sweet potato and potato represent a certain type of evolution. Select the correct combination of terms to explain the evolution.
Match List-I with List-II :
List - I | List - II | ||
---|---|---|---|
(A) | Gene pool | (I) | Stable within a generation |
(B) | Genetic drift | (II) | Change in gene frequency by chance |
(C) | Gene flow | (III) | Transfer of genes into or out of population |
(D) | Gene frequency | (IV) | Total number of genes and their alleles |
Choose the correct answer from the options given below :
Which evolutionary phenomenon is depicted by the sketch given in figure?
Match List-I with List-II with respect to convergent evolution:
List - I | List - II | ||
---|---|---|---|
(A) | Lemur | (I) | Flying phalanger |
(B) | Bobcat | (II) | Numbat |
(C) | Anteater | (III) | Spotted cuscus |
(D) | Flying squirrels | (IV) | Tasmanian tiger cat |
Choose the correct answer from the options given below:
Match List I with List II:
List - I | List - II | ||
---|---|---|---|
(A) | Living Fossil | (I) | Elongated canine teeth |
(B) | Connecting Link | (II) | Vermiform appendix |
(C) | Vestigial Organ | (III) | Echidna |
(D) | Atavism | (IV) | Latimeria |
Choose the correct answer from the options given below:
What is the correct order (old to recent) of periods in Paleozoic era?
The flippers of the Penguins and Dolphins are the example of the
Given below are some stages of human evolution.
Arrange them in correct sequence. (Past to Recent)
A. Homo habilis
B. Homo sapiens
C. Homo neanderthalensis
D. Homo erectus
Choose the correct sequence of human evolution from the options given below:
Match List I with List II:
List - I | List - II | ||
---|---|---|---|
A. | Mesozoic Era | I. | Lower invertebrates |
B. | Proterozoic Era | II. | Fish & Amphibia |
C. | Cenozoic Era | III. | Birds & Reptiles |
D. | Paleozoic Era | IV. | Mammals |
Choose the correct answer from the options given below :
Identify the fossil of man who showed the following characteristics.
(A) Brain capacity of 1400 cc
(B) Used hides to protect their body
(C) Buried their dead bodies
In the light of above statements, choose the correct answer from the options given below :
Select the correct group/set of Australian Marsupials exhibiting adaptive radiation.
Given below are two statements:
Statement I: RNA mutates at a faster rate.
Statement II: Viruses having RNA genome and shorter life span mutate and evolve faster.
In the light of the above statements, choose the correct answer from the options given below:
Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
(a) Plants (b) Invertebrates (c) Fishes (d) Mammals (e) Birds
Choose the correct answer from the options given below :
Select the correct statement regarding mutation theory of evolution.
Natural selection where more individuals acquire specific character value other than the mean character value, leads to
Which of the following statements is not true?
List-I | List-II | ||
---|---|---|---|
(a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
(b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
(c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
(d) | Evolution by anthropogenic action | (iv) | Darwin Finches |
Choose the correct answer from the options given below.
(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated animals like dogs.
(a) Homo habilis | (i) 900 cc |
---|---|
(b) Homo neanderthalensis | (ii) 1350 cc |
(c) Homo erectus | (iii) 650-800 cc |
(d) Homo sapiens | (iv) 1400 cc |
Select the correct option.
I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
(a) The earliest organisms that appeared on the earth were non-green and presumably anaerobes
(b) The first autotrophic organisms were the chemoautotrophs that never released oxygen
Of the above statements which one of the following options is correct ?
– Statements :
(A) Wings of butterfly and birds look alike and are the results of (i) , evolution
(B) Miller showed that CH4, H2, NH3 and (i), when exposed to electric discharge in a flask resulted in formation of (ii) .
(C) Vermiform appendix is a (i) organ and an (ii) evidence pf evolution.
(D) According to Darwin evolution took place due to (i) and (ii) of the fittest.