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Subjects
All Subjects 42612 ACC311
F:210
210 ACC31Q
F:97
97 ACC501
F:248
248 BIF101
F:37
37 BIF401
F:27
27 BIF501
F:63
63 BIF602
F:3
3 BIF604
F:67
67 BIO101
F:17
17 BIO401
F:24
24 BIO503
F:48
48 BIO504T
F:12
12 BIO5101
F:25
25 BIO5105
F:18
18 BIO732
F:49
49 BNK601
F:129
129 BNK610
F:69
69 BNK611
F:102
102 BT101
F:80
80 BT102
F:53
53 BT201
F:246
246 BT301
F:30
30 BT302
F:35
35 BT401
F:163
163 BT402
F:37
37 BT403
F:43
43 BT404
M:9
9 BT405
F:41
41 BT406
F:106
106 BT501
F:141
141 BT503
F:74
74 BT504
F:67
67 BT505
F:68
68 BT511T
F:27
27 BT601
F:69
69 BT603
F:21
21 BT604
F:19
19 BT605
F:58
58 BT614T
F:37
37 CHE201
F:77
77 CS001
F:58
58 CS101
F:166
166 CS201
M:97 F:247
344 CS201P
F:200
200 CS202
F:192
192 CS204
F:77
77 CS205
F:87
87 CS206
F:57
57 CS301
F:141
141 CS301P
F:63
63 CS302
F:192
192 CS304
F:89
89 CS304P
F:147
147 CS306
F:75
75 CS311
F:132
132 CS312
F:47
47 CS314
F:84
84 CS315
F:57
57 CS401
F:117
117 CS402
M:67 F:140
207 CS403
F:162
162 CS403P
F:120
120 CS405
F:70
70 CS406
F:28
28 CS407
F:70
70 CS408
F:76
76 CS409
F:43
43 CS411
F:100
100 CS420
F:106
106 CS432
F:80
80 CS435
F:46
46 CS441
F:73
73 CS442
F:29
29 CS501
F:120
120 CS502
F:156
156 CS504
F:179
179 CS505
F:49
49 CS506
F:196
196 CS507
F:165
165 CS508
F:227
227 CS510
F:63
63 CS521
F:26
26 CS525
F:25
25 CS601
F:137
137 CS602
F:105
105 CS603
F:62
62 CS604
F:177
177 CS605
F:82
82 CS606
F:194
194 CS607
F:134
134 CS609
F:89
89 CS610
F:126
126 CS611
F:78
78 CS614
F:126
126 CS615
F:121
121 CS620
F:62
62 CS621
F:38
38 CS625
F:27
27 CS626
F:30
30 CS627
F:39
39 CS636
F:40
40 ECE302
F:21
21 ECO302
F:36
36 ECO303
F:20
20 ECO401
F:383
383 ECO402
F:99
99 ECO403
F:137
137 ECO404
F:129
129 ECO603
F:53
53 ECO606
F:108
108 ECO607
F:182
182 ECO609
F:48
48 ECO610
F:74
74 ECO613
F:50
50 ECO616
F:68
68 EDU101
F:72
72 EDU301
F:20
20 EDU302
F:57
57 EDU303
F:113
113 EDU304
F:33
33 EDU305
F:88
88 EDU401
F:117
117 EDU402
F:46
46 EDU403
F:37
37 EDU405
F:87
87 EDU406
F:75
75 EDU410
F:65
65 EDU411
F:312
312 EDU430
F:147
147 EDU431
F:62
62 EDU433
F:66
66 EDU501
F:42
42 EDU505
F:41
41 EDU510
F:15
15 EDU512
F:86
86 EDU515
F:12
12 EDU516
F:54
54 EDU601
F:129
129 EDU602
F:52
52 EDU604
F:103
103 EDU654
F:25
25 EDU705
F:26
26 EDUA430
F:77
77 ENG001
F:417
417 ENG101
F:344
344 ENG201
F:289
289 ENG301
F:340
340 ENG501
F:73
73 ENG502
F:55
55 ENG503
F:31
31 ENG504
F:44
44 ENG505
F:68
68 ENG506
F:60
60 ENG507
F:64
64 ENG508
F:61
61 ENG509
F:50
50 ENG510
F:41
41 ENG511
F:102
102 ENG512
F:44
44 ENG513
F:35
35 ENG514
F:57
57 ENG515
F:37
37 ENG516
F:50
50 ENG517
F:38
38 ENG518
F:65
65 ENG519
F:64
64 ENG520
F:40
40 ENG522
F:92
92 ENG523
F:76
76 ENG524
F:48
48 ENG529
F:34
34 ETH100
F:145
145 ETH201
F:20
20 FIN611
F:113
113 FIN621
F:168
168 FIN622
F:162
162 FIN623
F:203
203 FIN624
F:99
99 FIN625
F:96
96 FIN630
F:217
217 FIN702
F:56
56 GSC101
F:423
423 GSC201
F:47
47 HRM624
F:220
220 HRM627
F:300
300 ISL201
F:39
39 ISL202
F:903
903 IT430
F:280
280 IT601
F:31
31 IT602
F:33
33 MB502T
F:67
67 MCD403
F:20
20 MCD504
F:80
80 MCM101
F:98
98 MCM301
F:66
66 MCM304
F:52
52 MCM310
F:114
114 MCM311
F:96
96 MCM401
F:108
108 MCM411
F:76
76 MCM431
F:118
118 MCM501
F:105
105 MCM511
F:44
44 MCM514
F:21
21 MCM515
F:21
21 MCM516
F:55
55 MCM517
F:68
68 MCM520
F:67
67 MCM532
F:42
42 MCM601
F:99
99 MCM604
F:115
115 MCM610
F:85
85 MGMT611
F:205
205 MGMT623
F:160
160 MGMT625
F:126
126 MGMT627
F:130
130 MGMT628
F:234
234 MGMT629
F:99
99 MGMT630
F:112
112 MGT101
F:330
330 MGT111
F:197
197 MGT201
F:110
110 MGT211
F:175
175 MGT301
F:215
215 MGT401
F:30
30 MGT402
F:107
107 MGT404
F:135
135 MGT411
F:194
194 MGT501
F:396
396 MGT502
F:555
555 MGT503
F:325
325 MGT504
F:214
214 MGT510
F:561
561 MGT513
F:80
80 MGT520
F:231
231 MGT522
F:116
116 MGT601
F:121
121 MGT602
F:270
270 MGT603
F:330
330 MGT604
F:123
123 MGT605
F:66
66 MGT610
F:231
231 MGT611
F:122
122 MGT613
F:220
220 MGT713
F:44
44 MIC501T
F:40
40 MKT501
F:250
250 MKT530
F:71
71 MKT610
F:83
83 MKT621
F:94
94 MKT624
F:114
114 MKT630
F:127
127 MTH001
F:276
276 MTH100
F:216
216 MTH101
F:1292
1292 MTH102
F:32
32 MTH104
F:64
64 MTH201
F:68
68 MTH202
F:238
238 MTH301
F:406
406 MTH302
F:778
778 MTH303
F:160
160 MTH304
F:35
35 MTH401
F:226
226 MTH403
F:147
147 MTH404
F:41
41 MTH405
F:132
132 MTH501
F:366
366 MTH601
F:266
266 MTH603
F:160
160 MTH621
F:105
105 MTH622
F:62
62 MTH631
F:167
167 MTH632
F:97
97 MTH633
F:54
54 MTH634
F:67
67 MTH641
F:179
179 MTH642
F:76
76 MTH643
F:22
22 MTH645
F:63
63 MTH646
F:91
91 PAK301
F:155
155 PAK302
F:131
131 PAK522
F:51
51 PHY101
F:626
626 PHY301
F:95
95 PSC201
F:85
85 PSC401
F:48
48 PSY101
F:409
409 PSY401
F:166
166 PSY402
F:43
43 PSY403
F:262
262 PSY404
F:137
137 PSY405
F:174
174 PSY406
F:244
244 PSY407
F:175
175 PSY408
F:207
207 PSY409
F:143
143 PSY502
F:264
264 PSY504
F:126
126 PSY505
F:108
108 PSY511
F:69
69 PSY512
F:192
192 PSY513
F:175
175 PSY514
F:104
104 PSY515
F:140
140 PSY516
F:88
88 PSY610
F:81
81 PSY611
F:132
132 PSY631
F:116
116 PSY632
F:180
180 PSYP402
F:90
90 PSYP631
F:185
185 SE601
F:21
21 SE602
F:36
36 SOC101
F:1279
1279 SOC201
F:191
191 SOC301
F:63
63 SOC302
F:94
94 SOC401
F:143
143 SOC404
F:109
109 SOC609
F:82
82 SOC617
F:59
59 STA301
F:402
402 STA302
F:34
34 STA630
F:298
298 STA641
F:87
87 URD101
F:158
158 ZOO102
F:9
9 ZOO103
F:10
10 ZOO403
F:50
50 ZOO501
F:23
23 ZOO502
F:9
9 ZOO503
F:153
153 ZOO504
F:139
139 ZOO505
F:27
27 ZOO507
F:21
21 ZOO510
F:136
136 ZOO518T
F:20
20 ZOO519T
F:17
17
Koi subject nahi mila
42612 result(s)
BT201 Final Term AI Solved
Q170

What is adaptive evolution?

  • A) Selection of beneficial alleles for survival
  • B) Increase of deleterious alleles
  • C) Elimination of all alleles
  • D) Mutation of gametes only
AI Explanation
Adaptive evolution occurs when natural selection increases the frequency of beneficial alleles that improve survival or reproduction. These advantageous traits become more common in a population over generations.
BT201 Final Term AI Solved
Q171

What is the primary source of genetic variation?

  • A) Environmental factors
  • B) Mutations
  • C) Breeding techniques
  • D) Nutrition
AI Explanation
Mutations are changes in DNA sequences and are the primary source of new genetic variation. This variation provides the raw material for evolution and natural selection.
BT201 Final Term AI Solved
Q172

If blue eye color becomes a desirable trait in a population, what is likely to happen?

  • A) Blue eye allele frequency will increase
  • B) Blue eye alleles will disappear
  • C) Eye color becomes neutral
  • D) Brown eye alleles will dominate
AI Explanation
If a trait becomes desirable and individuals with that trait have greater reproductive success, the associated allele may increase in frequency. This is an example of selection affecting allele frequencies.
BT201 Final Term AI Solved
Q173

What is the earliest evidence of life on Earth found in geological records?

  • A) Coral reefs
  • B) Trilobite fossils
  • C) Dinosaur bones
  • D) Microbes in rocks
AI Explanation
The earliest evidence of life comes from fossilized microorganisms preserved in ancient rocks. These records show that simple microbial life existed billions of years ago.
BT201 Final Term AI Solved
Q174

Which populations are most affected by genetic drift?

  • A) Genetically engineered populations
  • B) Small populations
  • C) Isolated populations
  • D) Large populations
AI Explanation
Genetic drift has stronger effects in small populations because random changes can significantly alter allele frequencies. Large populations are less affected because chance events have a smaller impact.
BT201 Final Term AI Solved
Q175

What is the primary cause behind the evolution of drug-resistant bacteria?

  • A) Misuse of antibiotics
  • B) Increased humidity in the environment
  • C) Use of vaccines
  • D) Genetic engineering
AI Explanation
The misuse and overuse of antibiotics creates strong selection pressure that allows resistant bacteria to survive and multiply. Over time, resistance genes become more common in bacterial populations.
BT201 Final Term AI Solved
Q176

Which of the following best defines an index fossil?

  • A) A fossil that shows evidence of soft tissues
  • B) A fossil found in igneous rocks
  • C) A fossil found only in mountain regions
  • D) A fossil that is typical of a specific geological period and found widely
AI Explanation
An index fossil is a fossil used to identify and date geological periods because it was widespread but existed for a relatively short time. It helps scientists correlate the ages of rock layers.
BT201 Final Term AI Solved
Q177

Which of the following describes macroevolution?

  • A) Genetic changes in a single generation
  • B) Evolution of dog breeds
  • C) Evolution of humans from unicellular organisms
  • D) Color changes in moths during industrialization
AI Explanation
Macroevolution refers to large-scale evolutionary changes that occur over long periods, including the origin of major groups and species. The evolution of humans from simpler ancestral organisms is an example of macroevolution.
BT201 Final Term AI Solved
Q178

What is the term used when heterozygotes have higher fitness due to a single locus?

  • A) Overdominance
  • B) Incomplete dominance
  • C) Codominance
  • D) Polymorphism
AI Explanation
Overdominance occurs when heterozygous individuals have higher fitness than either homozygous genotype at a particular locus. This can help maintain genetic variation in populations.
BT201 Final Term AI Solved
Q179

Which of the following is not a main source of genetic variation?

  • A) Sexual reproduction
  • B) Mutation
  • C) Rapid reproduction
  • D) Photosynthesis
AI Explanation
Photosynthesis is a biological process for producing energy-rich compounds and does not create genetic variation. Mutation and sexual reproduction are major sources of genetic variation, while rapid reproduction can influence how variation spreads.
BT201 Final Term AI Solved
Q180

Which concept did Darwin describe as “descent with modification”?

  • A) Branching inheritance
  • B) Evolutionary changes over generations
  • C) Sudden creation
  • D) Natural selection
AI Explanation
Darwin used the phrase “descent with modification” to describe how species change over generations while inheriting traits from common ancestors. It is a fundamental concept of evolutionary theory.
BT201 Final Term AI Solved
Q181

What type of evidence is provided by molecular homologies?

  • A) Molecular and biochemical
  • B) Environmental
  • C) Anatomical
  • D) Geological
AI Explanation
Molecular homologies compare DNA, RNA, and protein sequences among organisms. Similarities in these molecules provide evidence of common ancestry and evolutionary relationships.
BT201 Final Term AI Solved
Q182

What happens during gene duplication that can lead to new gene functions?

  • A) Genes are lost
  • B) Genes are copied and may take on new roles
  • C) Genes stop working
  • D) Genes mutate immediately
AI Explanation
Gene duplication creates extra copies of genes, allowing one copy to maintain the original function while another can accumulate changes. These changes may result in new gene functions over time.
BT201 Final Term AI Solved
Q183

How old is the Earth estimated to be?

  • A) 6 billion years
  • B) 2.5 billion years
  • C) 4.5 billion years
  • D) 12 billion years
AI Explanation
Scientific evidence indicates that Earth formed approximately 4.5 billion years ago. This estimate is based on radiometric dating of rocks and meteorites.
BT201 Final Term AI Solved
Q184

Why was there little or no oxygen in the early Earth's atmosphere?

  • A) Oxygen was locked in rocks
  • B) Because volcanoes consumed oxygen
  • C) Because of strong magnetic fields
  • D) There were no oxygen-producing organisms
AI Explanation
Early Earth's atmosphere lacked significant oxygen because organisms capable of oxygen production, such as cyanobacteria, had not yet evolved. Oxygen levels increased later through photosynthetic activity.
BT201 Final Term AI Solved
Q185

What do analogous structures have in common?

  • A) Similar function, different evolutionary origin
  • B) Identical DNA sequences
  • C) Similar origin and structure
  • D) Different function and origin
AI Explanation
Analogous structures perform similar functions but evolved independently from different ancestral structures. They are examples of convergent evolution rather than common ancestry.
BT201 Final Term AI Solved
Q186

What is microevolution primarily caused by?

  • A) Artificial selection
  • B) Natural disasters
  • C) Mutation in unrelated species
  • D) Changes in allele frequencies due to natural selection
AI Explanation
Microevolution refers to small-scale genetic changes within a population, mainly involving shifts in allele frequencies. Natural selection is one of the major mechanisms driving these changes.
BT201 Final Term AI Solved
Q187

What is the role of the Hardy-Weinberg principle in genetics?

  • A) Counts total alleles
  • B) Acts as a baseline to compare evolving populations
  • C) Identifies dominant genes
  • D) Measures mutation rates
AI Explanation
The Hardy-Weinberg principle describes genetic equilibrium conditions where allele frequencies remain constant. It provides a reference point for identifying whether evolutionary forces are affecting a population.
BT201 Final Term AI Solved
Q188

What does the fossil record help scientists determine?

  • A) Formation of crystals
  • B) Future evolution of humans
  • C) History of life and extinct organisms
  • D) How fossils look under a microscope
AI Explanation
The fossil record provides evidence about past organisms, their evolution, and extinction events. It helps scientists reconstruct the history of life on Earth.
BT201 Final Term AI Solved
Q189

What is the primary habitat of the spiny anteater?

  • A) Asia
  • B) Australia
  • C) South America
  • D) North America
AI Explanation
The spiny anteater, also known as the echidna, is native to Australia and nearby regions. It is a unique egg-laying mammal belonging to the monotreme group.
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