1. Hardy-Weinberg principle is the

2. Hardy-Weinberg principle can be expressed as

3. In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by

4. Genetic drift operates in

5. Name the type of natural selection depicted in the given diagram (type I, type II and type III).

6. Name the animal that evolved into the first probable amphibians and lived on both land and water.

7. Giant dinosaurs and reptiles predominated during the Jurassic period. This period was also marked for the evolution of higher insects and angiosperms, conifers, cycads, etc. Jurassic period belongs to which era?

8. The correct order of evolutionary scale is

9. Choose the incorrectly matched pair.

10. The first viviparous mammals whose fossils are small-sized were like

11. First human like hominid is known as

12. Who used hides to protect their body and buried their dead?

13. Homo sapiens arose during

14. The chronological order of human evolution from early to the recent stages is

15. Brain (cranial) capacity of Homo habilis was

16. In each of the following questions, a statement of Assertion (A) is given followed by corresponding statement of Reason (R). Of the statements, mark the correct answer as

Assertion (A) : The introduction of new alleles into the local gene pool by interbreeding of migrating individuals with members of local population is called gene migration.

Reason (R) : If gene migration happens multiple times, it is called gene recombination.

17. Consider the following statements.

I. Pre-historic cave art was developed earlier than agriculture.

II. Human history of growth is proportional to decline of civilizations.

Select the correct option.

18. Consider the following statements.

I. Fossils discovered in Ethiopia and Tanzania revealed hominid features. Reflecting that about 3-4 mya man like primates walked in Eastern Africa.

II. Homo erectus fossils were discovered in Java 1891.

Select the correct option.

19. Which of the following statements correctly defines the phenomenon of genetic drift?

I. It is random change in gene allele frequency.

II. It occurs by chance.

III. It is directional.

IV. It cause elimination of certain alleles.

V. It cause fixation of alleles.

The correct combination is

20. Match the hominids  with their correct brain size.

Column I                                                            Column II

A. Homo habilis                                             1. 900 cc

B. Homo neanderthalensis                          2. 1350 cc

C. Homo erectus                                            3. 650-800 cc

D. Homo sapiens                                           4. 1400 cc

21. Match the following columns.

Column I (Terms)                                                         Column II(Explanations)

A. Genetic drift                                                       1. Change in the population's allele frequency due to chance alone

B. Natural selection                                               2. Difference in survival individuals

C. Gene flow                                                            3. Immigration or emigration changes the allele frequency

D. Mutation                                                             4. Source of the new alleles

22. Match the following columns.

Column I                                                              Column II

A. Wallace                                                           1. Natural selection

B. Malthus                                                          2. Essay of population

C. Hardy-Weinberg law                                   3. Biston betularia

D. Industrial melanism                                   4. p²+2pq+q²=1

23. Match the following columns.

Column I                                                                          Column II

(Types of natural selection)                                      (Explanations)

A. Stabilization Selection                                   1. More individuals acquire value other than mean character value

B. Directional selection                                       2.More individuals acquire mean character value

C. Disruption selection                                       3. More individuals acquire peripheral character value at both ends                                                                                        of distribution curve

24. Match the following columns.

Column I                                                    Column II

A. Ichthyosaurus                                1. Caught in South Africa in 1938

B. Coelacanth                                     2. Fell to form coal deposits

C. Giant Pteridophytes                    3. Disappeared about 65 mya

D. Dinosaurs                                     4. Fish-like reptiles in 200 mya

25. Match the following Column I with Colum II. Select the correct option from the codes given below.

Column I                                                                        Column II

(Time periods in geological time scale)                    (Related to)

A. Mesozoic                                                                   1. First amphibians

B. Devonian                                                                  2. Proliferation of reptiles

C. Palaeocene                                                               3. 160 million year

D. Permian                                                                   4. Radiation of primitive mammals