Class 12 Biology MCQ Chapter 7 Evolution Solutions English Medium to each chapter is provided in the list so that you can easily browse through different chapters Class 12 Biology MCQ Chapter 7 Evolution Question Answer in English and select need one. AHSEC Class 12 Biology Objective Type Question Answer As Per AHSEC New Book Syllabus Download PDF. AHSEC Biology MCQ Class 12 Solutions.
Class 12 Biology MCQ Chapter 7 Evolution
Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. AHSEC Class 12 Biology Multiple Choice Solutions in English Medium are part of All Subject Solutions. Here we have given AHSEC Class 12 Biology MCQ Question Answer English Medium for All Chapters, You can practice these here.
Evolution
Chapter: 7
| MCQs |
Choose the Correct Option:
1. The theory of chemical evolution was proposed by:
(i) Lamarck.
(ii) Darwin.
(iii) Oparin and Haldane.
(iv) Wallace.
Ans: (iii) Oparin and Haldane.
2. The first form of life on Earth was:
(i) Multicellular eukaryotes.
(ii) Anaerobic prokaryotes.
(iii) Aerobic eukaryotes.
(iv) Plants.
Ans: (ii) Anaerobic prokaryotes.
3. Which biomolecule was formed in the Miller-Urey experiment?
(i) DNA.
(ii) RNA.
(iii) Amino acids.
(iv) Glucose.
Ans: (iii) Amino acids.
4. Fossils found in deeper layers are:
(i) Younger.
(ii) More advanced.
(iii) Primitive.
(iv) Modern.
Ans: (iii) Primitive.
5. Which fossil is a connecting link between reptiles and birds?
(i) Cro-Magnon.
(ii) Australopithecus.
(iii) Archaeopteryx.
(iv) Homo habilis.
Ans: (iii) Archaeopteryx.
6. Wings of birds and insects are examples of:
(i) Homologous organs.
(ii) Analogous organs.
(iii) Vestigial organs.
(iv) Fossil organs.
Ans: (ii) Analogous organs.
7. Forelimbs of humans and bats are:
(i) Analogous.
(ii) Homologous.
(iii) Non-functional.
(iv) Fossil.
Ans: (ii) Homologous.
8. The book On the Origin of Species was written by:
(i) Lamarck.
(ii) Wallace.
(iii) Charles Darwin.
(iv) De Vries.
Ans: (iii) Charles Darwin.
9. Darwin’s theory of natural selection is based on:
(i) Mutation.
(ii) Inheritance.
(iii) Use and disuse.
(iv) Variation and survival of the fittest.
Ans: (iv) Variation and survival of the fittest.
10. Who proposed the germplasm theory?
(i) Darwin.
(ii) Weismann.
(iii) Lamarck.
(iv) Haeckel.
Ans: (ii) Weismann.
11. The modern theory of evolution is also known as:
(i) Darwinism.
(ii) Lamarckism.
(iii) Neo-Darwinism.
(iv) Punctuated equilibrium.
Ans: (iii) Neo-Darwinism.
12. Formula of Hardy-Weinberg law:
(i) a² + 2ab + b² = 1
(ii) x² + y² = 1
(iii) p² + 2pq + q² = 1
(iv) p + q = 2
Ans: (iii) p² + 2pq + q² = 1
13. A sudden change in allele frequency in small populations is called:
(i) Natural selection.
(ii) Gene flow.
(iii) Genetic drift.
(iv) Mutation.
Ans: (iii) Genetic drift.
14. Evolution of man is called:
(i) Anthropogenesis.
(ii) Archaeology.
(iii) Paleontology.
(iv) Primatology.
Ans: (i) Anthropogenesis.
15. The human species evolved around:
(i) 2 million years ago.
(ii) 2000 years ago.
(iii) 2 lakh years ago.
(iv) 10 million years ago.
Ans: (iii) 2 lakh years ago.
Hi! my Name is Parimal Roy. I have completed my Bachelor’s degree in Philosophy (B.A.) from Silapathar General College. Currently, I am working as an HR Manager at Dev Library. It is a website that provides study materials for students from Class 3 to 12, including SCERT and NCERT notes. It also offers resources for BA, B.Com, B.Sc, and Computer Science, along with postgraduate notes. Besides study materials, the website has novels, eBooks, health and finance articles, biographies, quotes, and more.
