12th Biology

Solved MCQs Biology 2nd Year Unit 24 Evolution With Answer

2nd year biology

Solved MCQs biology 2nd-year chapter-wise with answer keys. Fsc part 2 Biology unit 24 evolution MCQs from past papers of Fsc and MDCAT entry test. Important long questions of Biology 2nd year chapter 24.

Solved MCQs Biology 2nd Year Unit 24 Evolution

Here is the collection of 12th class Biology MCQs of Unit 24 evolution collected From Previous Board Papers 2014-2015-2016-2017-2018.

The ultimate source of changes is: (DGK. GI, 2016)
(A) Evolution
(B) Mutation
(C) Genetic drift
(D) Migration

Among the scientists who believed in divine creation was: (BWP. GI, 2015)
(A) Charles Darwin
(B) Carolus Linnaeus
(C) Alfred Wallace
(D) Jean Lamarck

An essay on the principle of population was published by: (LHR. GI, FBD. GI, 2017)(SGD, AJK, 2018)
(A) Darwin
(B) Wallace
(C) Linnaens
(D) Malthus

Archaeobacteria can tolerate temperature upto: (LIIR. GI, 2014)(LIIR. GII, 2015)(LIIR. GI, 2016)(SWL, RWP, 2018)
(A) 120°C
(B) 140°C
(C) 160°C
(D) 180°C

According to Endosymbiont Hypothesis, the aerobic bacteria developed into: (MLN. GI, 2014)
(A) Ribosome
(B) Lysosome
(C) Mitochondria
(D) Golgi Apparatus

Endosymbiont hypothesis explains the origin of: (FBD. GI, 2017)
(A) Cell
(B) Prokaryotic cell
(C) Eukaryotic cell
(D) Ribosome

Alfred Wallace developed a theory of natural selection essentially: (RWP. GI, 2016)
(A) Linnaeus’s
(B) Darwin’s
(C) Lamark’s
(D) Mendel’s

Lyell published the principle of: (AJK. GI, 2016)
(A) Ecology
(B) Geology
(C) Palaeontology
(D) Genetics

Darwin’s “Origin of Species” was published in: (LHR. GII, 2014)(LIIR. GI. 2017)(GRW. 2018
(A) 1840
(B) 1859
(C) 1865
(D) 1890

Inheritance of acquired characteristics was proposed by: (SGD. GI, 2014)
(A) Darwin
(B) Mendel
(C) Lamarck
(D) Malthus

Acquired characteristics of an individual cannot be: (GRW.GI, 2017)
(A) Inherited
(B) Flourished
(C) Lost:
(D) Migrated

Biogeography is the geographical distribution of: (DGK, GII, 2016)
(A) Phylum
(B) Species
(C) Classes
(D) Genera

Armadillos, the armored mammals live only in (GRW.GI, SGD. GI, 2015)
(A) Africa
(B) America
(C) Europe
(D) Asia

Tubes that connect the middle ear with the throat in humans are called: (DGK. GI, 2015)
(A) Eustachian tube
(B) Neural tube
(C) Fallopian tube

In human Eustachian tubes connect the middle ear with: (DGK. GII, 2015)
(A) Nose
(B) Eye
(C) Throat
(D) Nephridial tube

Number of cervical vertebrae in a male camel (mammal): (LIR. GI, 2017)
(A) 11
(B) 7
(C) Lungs
(D) No definite number

In natural selection, the environment plays a role in affecting the proportions of gene in:
(GRW. GI, 2014)
A) Population
(B) Community
(C) Area
(D) Biome

The change in frequency of alleles at a locus that occurs by chance is called: (SGD. GII, 2015)(MLN. GI, 2015)
(A) Mutation
(B) Migration
(C) Genetic Drift
(D) Selection

Endangered species of plants have been recorded to more than: (SWL. GI, 2015)(SWL. GI, 2017)
(A) 300
(B) 400
(C) 500
(D) 600

In Pakistan among the animals declared extinct is: (LHR. GI, 2015)
(A) White-headed duck
(B) Marbled teal
(C) Crocodile
(D) Houbara Bustard

How many types of finches did Darwin collect on Galapagos Island? (LHR. GI, 2018)
(A) 13 types
(B) 20 types
(C) 25 types
(D) 30 types

Which one of the following is endangered in Pakistan: (LHR. GII, 2018)
(A) Indian rhino
(B) Indus dolphin
(C) Cheer Pheasant
(D) Tiger

Which respiratory protein is found in all aerobic species? (GRW. DGK. 2018)
(A) glial cell line
IB) cytochrome
(C) serine
(D) cysteine

The first photosynthetic organisms probably used Hydrogen Sulphide as a source of
Hydrogen for reducing CO2 to: (MLN. 2018)
A) Sugars
(B) H2CO3
(D) Malate

Important long questions of Biology 2nd year chapter 24

Explain the Endosymbiont Hypothesis for the origin of eukaryotic cells. (DGK. GI, 2015) (LHR. GII, 2014)(LHR. GII, 2016)(LHR. GII, AJK. GI, 2017)

Explain membrane invagination theory for the evolution of eukaryotic cells. (FBD. GI, 2014)(LHR. GI, GRW. GI & GII, 2015)(RWP. G1, 2016 (RWP. GII, SGD. GI, 2017)(SWI,

How did eukaryotes evolve from prokaryotes? (LIIR. GI, BWP. GII, 2016

Write down the main points of the theory of natural selection. (LIIR. GII, 2015

Describe the inheritance of acquired characteristics. (RWP. GI, 2014

Write a short note on Neo – Darwinism. (SGD. GI, 2011

Write an essay on Lamarckism. AJK, BWP, SWL, 2018

Define Evolution. Explain comparative Embryology as evidence in the favour of Evolution,

(MLN. GI, 2015)

Describe comparative embryology and molecular biology as evidence of evolution. (DGK, GI, 2018

Describe the evidence of evolution from comparative anatomy. (L.HR. GII, GRW. GI, 2014/SGD. GI, 2015)(DGK. GII, DGK. GI, MLN. GI, 2016) (RWP. GI, 2018

Write a detailed note on comparative anatomy as evidence of evolution. (FBD. GI, 2017

Write short notes on:

(i) Natural selection

(ii) Artificial selection

Describe any four factors affecting gene frequency. (RWP. DGK, 2017 (SWL. GI, DGK. GII, 2014)(DGK. GII, BWP. GI, 2015)(AJK. GI, 2016)(LHR. GI, MLN. GII, SWL. GI, DGK. GII,

State Hardy-Weinberg theorem. Discuss any two factors affecting gene frequency. (FBD. GI, 2016)(DGK. GI, BWP. GI, 2

What are endangered species? What measures could be adopted for their environment? (BWP. GI, SGD. GI, SGD. G1,2015)(MLN. GI,

Describe comparative embryology and fossil record as evidence of evolution. (GRW,

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For more practice, MCQs visit this blog. Solved MCQs biology 2nd-year chapter-wise.

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