NEET Biology Evolution MCQs Set 16

Multiple Choice Questions (MCQs) for NEET Biology: Evolution

Review structured MCQ sets for NEET Biology Evolution. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.

Practice Evolution MCQs for NEET Biology

View or download the dedicated Evolution MCQ resource below. Practicing these 50 objective questions regularly builds familiarity with standard exam patterns and helps secure higher marks in final Biology evaluations.

Multiple Choice Questions

Question 1: Primitive atmosphere was made up of the mixture of :
(a) Oxygen, ammonia, methane, water
(b) Hydrogen, ammonia, methane, oxygen
(c) Hydrogen, steam, methane, ammonia
(d) Oxygen, methane, water, nickle
Show Answer & Explanation

Answer: (c) Hydrogen, steam, methane, ammonia

Explanation:
1. The primitive atmosphere was reducing, with hydrogen, water vapour (steam), methane and ammonia but no free oxygen.

Teacher's Note:
1. Oxygen came later.
2. Reducing mixture without oxygen.

Question 2: Pasteur succeeded in disproving the theory of spontaneous generation because :
(a) The laboratory was clean
(b) He pulled out the neck of flask into a tube
(c) He was lucky
(d) Yeast used in flask were dead
Show Answer & Explanation

Answer: (b) He pulled out the neck of flask into a tube

Explanation:
1. Pasteur used a flask with a long S-shaped neck so that air entered but microbes did not; the sterilised broth stayed clear, disproving spontaneous generation.

Teacher's Note:
1. This supported biogenesis.
2. Swan neck flask disproved spontaneous generation.

Question 3: Oxygen in atmosphere has been formed by :
(a) Evaporation of water
(b) Photosynthesis of blue green algae
(c) Metabolism of microorganisms
(d) Decaying organisms
Show Answer & Explanation

Answer: (b) Photosynthesis of blue green algae

Explanation:
1. Free oxygen of the atmosphere was produced by photosynthesis of the first photosynthetic organisms, the blue-green algae (cyanobacteria).

Teacher's Note:
1. It built up over billions of years.
2. Cyanobacteria made oxygen.

Question 4: Who called larger colloidal particles of primitive sea as coacervates :
(a) Fox
(b) Oparin
(c) Empedocles
(d) Haldane
Show Answer & Explanation

Answer: (b) Oparin

Explanation:
1. Oparin called the aggregates of colloidal particles in the primitive sea coacervates.

Teacher's Note:
1. Fox called his structures microspheres.
2. Oparin named coacervates.

Question 5: Who called water of primitive sea as pre biotic soup :
(a) Haldane
(b) Oparin
(c) Fox
(d) Huxley
Show Answer & Explanation

Answer: (a) Haldane

Explanation:
1. J.B.S. Haldane called the primitive ocean rich in organic compounds the pre-biotic (hot dilute) soup.

Teacher's Note:
1. Oparin proposed the same idea.
2. Haldane coined pre-biotic soup.

Question 6: It is believed that the first organisms which inhabitated earth's surface were :
(a) Autotrophs
(b) Mixotrophs
(c) Heterotrophs
(d) Chromatotrophs
Show Answer & Explanation

Answer: (c) Heterotrophs

Explanation:
1. The first organisms are thought to be heterotrophs that absorbed organic matter from the soup.

Teacher's Note:
1. Autotrophs came later.
2. First life was heterotrophic.

Question 7: Who did an experiment to prove that "The organic compounds were the basis of life"?
(a) Darwin
(b) Stanley Miller and Harold C.Urey
(c) Melvin
(d) Fox
Show Answer & Explanation

Answer: (b) Stanley Miller and Harold C.Urey

Explanation:
1. Stanley Miller and Harold Urey (1953) showed amino acids could form from simple gases under electric discharge, supporting chemical evolution.

Teacher's Note:
1. The apparatus had a spark chamber.
2. Miller and Urey did this experiment.

Question 8: Due to discovery of which of the following in 1980, the evolution was termed as RNA world :
(a) m - RNA , t - RNA, r - RNA synthesise proteins
(b) In some virus RNA is genetic material
(c) RNA has enzymatic property
(d) RNA is not found in all cells
Show Answer & Explanation

Answer: (c) RNA has enzymatic property

Explanation:
1. Discovery that RNA can act as an enzyme (ribozyme) suggested that RNA could be both genetic material and catalyst, hence the RNA world.

Teacher's Note:
1. DNA is more stable.
2. RNA has enzyme property.

Question 9: Big bang theory was proposed by :
(a) Kant
(b) Miller
(c) Lemaitre
(d) Darwin
Show Answer & Explanation

Answer: (c) Lemaitre

Explanation:
1. The Big Bang theory of origin of the universe was proposed by Georges Lemaitre.

Teacher's Note:
1. It says the universe began from a single point.
2. Lemaitre proposed the Big Bang.

Question 10: Miller and Urey performed an experiment to prove the origin of life. They took gases NH3 and H2 along with :
(a) N2 and H2O
(b) H2O and CH4
(c) CH4 and N2
(d) CO2 and NH3
Show Answer & Explanation

Answer: (b) H2O and CH4

Explanation:
1. Miller circulated CH4, NH3 and H2 with water vapour at 800 degrees Celsius under electric discharge.

Teacher's Note:
1. He obtained amino acids.
2. Methane and water vapour were used.

Question 11: Abiogenesis is the :
(a) origin of life from non-living material
(b) origin of life from living organism
(c) origin of viruses and microbes
(d) none
Show Answer & Explanation

Answer: (a) origin of life from non-living material

Explanation:
1. Abiogenesis is the origin of life from non-living matter.

Teacher's Note:
1. Biogenesis is life from life.
2. Life from non-living is abiogenesis.

Question 12: Which is vestigial organ in man :
(a) Pinna
(b) Pinna muscles
(c) Ileum
(d) Teeth
Show Answer & Explanation

Answer: (b) Pinna muscles

Explanation:
1. Pinna muscles (ear muscles) are vestigial in man; they cannot move the pinna.

Teacher's Note:
1. Pinna itself is functional.
2. Ear muscles are vestigial.

Question 13: Which of the following set in man includes vestigial organs :
(a) Coccyx, vermiform appendix and ear muscles
(b) Body hair, atlas vertebra and ear muscles
(c) Coccyx, wisdom tooth and patella
(d) Body hair, cochlea, vermiform appendix and tongue.
Show Answer & Explanation

Answer: (a) Coccyx, vermiform appendix and ear muscles

Explanation:
1. Coccyx, vermiform appendix and muscles of the ear are vestigial in man.

Teacher's Note:
1. They were functional in ancestors.
2. These three are vestigial.

Question 14: Peripatus is connecting link between :
(a) Mollusca and Arthropoda
(b) Flat worms and annelida
(c) Annelida and Arthropoda
(d) Reptilia and Mammalia
Show Answer & Explanation

Answer: (c) Annelida and Arthropoda

Explanation:
1. Peripatus has annelid features (nephridia, soft body) and arthropod features (tracheae, jointed appendages), so it links annelids and arthropods.

Teacher's Note:
1. It is a connecting link.
2. Peripatus links Annelida and Arthropoda.

Question 15: According to Haeckel's biogenetic law :
(a) Development of individual metazon shown embryonic characters of ancestors.
(b) Ontogeny repeats phylogeny
(c) Germplasm is immortal
(d) Every organisms is produced by its parents
Show Answer & Explanation

Answer: (b) Ontogeny repeats phylogeny

Explanation:
1. Haeckel's biogenetic law states that ontogeny recapitulates phylogeny.

Teacher's Note:
1. The embryo repeats ancestral stages.
2. Ontogeny repeats phylogeny.

Question 16: Which of the following set has homologous organs :
(a) Hands of man, monkey and kangaroo and trunk of elephant
(b) Wings of insects, birds and bats
(c) Hind limbs of grasshopper, horse and bat
(d) Mouthparts of cockroach, mosquito and honey bee
Show Answer & Explanation

Answer: (d) Mouthparts of cockroach, mosquito and honey bee

Explanation:
1. Mouth parts of cockroach, mosquito and honey bee have the same basic plan but are modified for different feeding, so are homologous.

Teacher's Note:
1. Insect wings and bat wings are analogous.
2. Insect mouthparts are homologous.

Question 17: Which of the following organ in man is vestigial :
(a) Pinna
(b) Wisdom tooth
(c) Fossa ovalis
(d) Ileum
Show Answer & Explanation

Answer: (b) Wisdom tooth

Explanation:
1. The third molar (wisdom tooth) is a vestigial organ of man.

Teacher's Note:
1. It often fails to erupt.
2. Wisdom tooth is vestigial.

Question 18: Who was the first to explain recapitulation theory :
(a) Weismann
(b) Haeckel
(c) Darwin
(d) Malthus
Show Answer & Explanation

Answer: (b) Haeckel

Explanation:
1. Haeckel gave the recapitulation theory.

Teacher's Note:
1. It is also called the biogenetic law.
2. Haeckel gave recapitulation theory.

Question 19: Connecting link between protozoa and one-celled plants is :
(a) Paramecium
(b) Euglena
(c) Amoeba
(d) Trypanosoma
Show Answer & Explanation

Answer: (b) Euglena

Explanation:
1. Euglena has both animal like (motility, no cell wall) and plant like (chlorophyll) traits, so it links protozoa and plants.

Teacher's Note:
1. It is a flagellate.
2. Euglena is the link.

Question 20: Connecting link between annelida and mollusca :
(a) Cuttle fish
(b) Octopus
(c) Neopilina
(d) Nautilus
Show Answer & Explanation

Answer: (c) Neopilina

Explanation:
1. Neopilina is a living fossil with features of annelids (segmentation) and molluscs, linking the two phyla.

Teacher's Note:
1. It was discovered in 1952.
2. Neopilina links Annelida and Mollusca.

Question 21: Which of the following sets do not have homolo- gous organs :
(a) Wings of mosquito and butterfly
(b) Wings of butterfly and bat
(c) Mouth parts of cockroach and butter fly
(d) None of them
Show Answer & Explanation

Answer: (b) Wings of butterfly and bat

Explanation:
1. Wings of butterfly and bat perform the same function but have different origin and structure, so they are analogous, not homologous.

Teacher's Note:
1. Insect wings are cuticular folds.
2. Butterfly and bat wings are analogous.

Question 22: Wings of locust, pigeon, and bat are example of :
(a) Vestigial organs
(b) Analogous organs
(c) Homologous organs
(d) Exoskeleton
Show Answer & Explanation

Answer: (b) Analogous organs

Explanation:
1. Wings of locust, pigeon and bat serve the same function but differ in structure and origin, so they are analogous.

Teacher's Note:
1. Forelimbs of vertebrates are homologous.
2. They are analogous organs.

Question 23: Homology is exhibited by :
(a) Wings of butterfly, birds and bat
(b) Paddle of whale, forearm of horse and forelimbs of man
(c) Tail of monkey and bird
(d) Sting of scorpion and honey bee
Show Answer & Explanation

Answer: (b) Paddle of whale, forearm of horse and forelimbs of man

Explanation:
1. Paddle of whale, forearm of horse and forelimb of man share a pentadactyl plan, so they show homology.

Teacher's Note:
1. Wings of butterfly are analogous.
2. Vertebrate forelimbs are homologous.

Question 24: Golden age of Dinosaurs was during :
(a) Cenozoic era
(b) Palaeozoic era
(c) Archeozoic era
(d) Mesozoic era
Show Answer & Explanation

Answer: (d) Mesozoic era

Explanation:
1. The Mesozoic era was the age of dinosaurs (reptiles).

Teacher's Note:
1. It had Triassic, Jurassic, Cretaceous.
2. Dinosaurs lived in the Mesozoic.

Question 25: The mesozoic era of earth is called the :
(a) Age of amphibians
(b) Age of armoured fishes
(c) Age of primitive man
(d) Age of ruling reptiles
Show Answer & Explanation

Answer: (d) Age of ruling reptiles

Explanation:
1. The Mesozoic era is called the age of ruling reptiles.

Teacher's Note:
1. Dinosaurs dominated.
2. Mesozoic is the age of reptiles.

Question 26: An era "age of birds and mammals" is :
(a) Mesozoic
(b) Palaeozoic
(c) Cenozoic
(d) Cretaceous
Show Answer & Explanation

Answer: (c) Cenozoic

Explanation:
1. The Cenozoic era is known as the age of mammals and birds.

Teacher's Note:
1. It is the present era.
2. Cenozoic is the age of mammals.

Question 27: Origin of life took place in which of the following era :
(a) Mesozoic
(b) Palaeozoic
(c) Precambrian
(d) Proterozoic
Show Answer & Explanation

Answer: (c) Precambrian

Explanation:
1. Life originated in the Precambrian, about 3.8 billion years ago, long before the Palaeozoic.

Teacher's Note:
1. Mesozoic is much later.
2. Life began in the Precambrian.

Evolution Objective Questions & Solutions for NEET Biology

NEET Biology Evolution Objective Test Questions

Explore reliable practice questions for Evolution tailored for NEET Biology learners. Use these multiple-choice formats to evaluate preparedness and strengthen problem-solving skills.

NCERT-Aligned Objective Questions and Solutions

Cross-reference your completed choices with comprehensive NCERT solutions for NEET Biology to ensure absolute clarity across all sub-topics in this chapter.

Next Steps in Your Exam Preparation

Follow up your worksheet practice by attempting the interactive online Biology MCQ test for this chapter to evaluate your execution speed. All platform resources are free to access.

FAQs

Where can I access latest NEET Biology Evolution MCQs Set 16?

You can get most exhaustive NEET Biology Evolution MCQs Set 16 for free on StudiesToday.com. These MCQs for NEET Biology are updated for the 2026-27 academic session as per NEET examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Biology NEET material?

Yes, our NEET Biology Evolution MCQs Set 16 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the NEET paper is now competency-based.

How do practicing Biology MCQs help in scoring full marks in NEET exams?

By solving our NEET Biology Evolution MCQs Set 16, NEET students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Biology.

Do you provide answers and explanations for NEET Biology Evolution MCQs Set 16?

Yes, Biology MCQs for NEET have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused NEET exams.

Can I practice these Biology NEET MCQs online?

Yes, you can also access online interactive tests for NEET Biology Evolution MCQs Set 16 on StudiesToday.com as they provide instant answers and score to help you track your progress in Biology.