BT101 Final Term MCQs and PPTs

1 | P a g e

S o l v e d B y : M u h a m m a d N a d e e m

Solved BY:Muhammad Nadeem ,Hassan Lateef, Samreen, Samena Noor & Faha Abbasi

BT101 · Final Term Mcqs · Ppts # 81------95 · When did the Charles Robert Darwin born & die · 1809–1882 In which country Charles Robert Darwin born

England When did Charles Robert Darwin joined school of medicine

1825 When did the Charles Robert Darwin complete his graduation

1831 ____________nominated Darwin to serve as a naturalist

John Henslow Full Form of HMS

Her Majesty's Ship. His or Her Majesty's Ship HMS Beagle set sail on December 27_________________________

1831 Most importantly, Darwin spent 5 weeks on the ___________Islands

Galápagos Length of volcanic islands ___________ km · When did the book ” Origin of Species” publish in · 1859 There are ____________ major evidences Darwin theory · Three Who proposed the ideas of geology

Charles Lyell and James Hutton Theory of uniformitarianism planted __________ideas in Darwin’s mind

two The earth could be much older than _________years

6,000 Gradual changes over the time with changing environment was foundation of _______

Theory of natural selection Extinct hippopotamus like animal, now called

Toxodon Horses had become extinct long ago in ___________- · S. America Horses were introduced in _______________ · 1500 Where the large tortoises are present

Galápagos Islands Tortoises from the drier regions had _______necks

long Tortoises from wetter habitats had _______necks

Small ______species of finches arose from this ancestral group

Formation of new forms from an ancestral species, usually in response to the opening of new habitats are called adaptive radiations Darwin proposed his theory of natural selection in form of “Origin of Species” in_________

1859 Theory of natural selection has_________ major postulates

four Female sea star releases about _________eggs each season

1 million In sea star ____________type of competition

2 (1. Intraspecific, 2. Inter specific) Inherited variations arise by __________

random mutation Variations can be advantageous or __________

harmful In Survival of the Fittest Higher rate of population growth causes ______of resources.

Depletion Traits that promote successful reproduction are said to be ___________

adaptive When did the Alfred Russel Wallace born & died

(1823- 1913) ____________was Co-discoverer of theory of natural selection

Alfred Russel Wallace Change in gene frequency is called as __________

genetic drift Higher the number of trials, closer to ratio of ______________

50:50 Smaller the number, disproportionate ratio like_________

70:30 In small populations, inbreeding is ___________

common There are ____________ Types of Genetic Drift

2 (1. Founder Effect, 2. Bottleneck Effect) when number of individuals in a population is drastically reduced that is called as ______

Bottleneck Effect There are __________ Conditions of Natural Selection

Three Fitness of the green phenotype would be · 1.00 Fitness of the brown phenotype would be · 0.625 There are ____________ Components of Fitness · Frequency dependent selection has __________types · 2 (1. Negative, 2. Positive) · Download More Files from · Download More Files from · Download More Files from