Class XII · Biology practice

Evolution PYQs

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26 questions in this collection · Page 1 of 3

Question 1 of 26
🟢 NEET 2023 📘 CLASS XII

Evolution

Select the correct group/set of Australian Marsupials exhibiting adaptive radiation.

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Explanation:

Option 3 is correct. In Australia, marsupials radiated into many forms to fill different ecological niches. Numbat (insectivore), Spotted cuscus (arboreal herbivore), and Flying phalanger (gliding omnivore) show diverse lifestyles, illustrating adaptive radiation within a single lineage in a shared environment.

🧠 Did You Know?

Australian marsupials evolved after Australia separated from other landmasses, leading to unique adaptations not seen in placental mammals of other continents.

💡 NCERT Memory Line:

Australia is a classic example of adaptive radiation of marsupials into diverse forms to occupy different ecological niches.

Question 2 of 26
🟢 NEET 2022 📘 CLASS XII

Evolution

Natural selection where more individuals acquire specific character value other than the mean character value, leads to:
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Question 3 of 26
🟢 NEET 2022 📘 CLASS XII

Evolution

Which of the following statements is not true?
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Question 4 of 26
🟢 NEET 2021 📘 CLASS XII

Evolution

The factor that leads to Founder effect in a population is:
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Question 5 of 26
🟢 NEET 2021 📘 CLASS XII

Evolution

Match List-I with List-II.
List-I List-II
(A)Adaptive radiation (I)Selection of resistant varieties due to excessive use of herbicides and pesticides
(B)Convergent evolution (II)Bones of forelimbs in Man and Whale
(C)Divergent evolution (III)Wings of Butterfly and Birds
(D)Evolution by anthropogenic action (IV)Darwin Finches
Choose the correct answer from the options given below:
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Question 6 of 26
🟢 NEET (Sept)2020 📘 CLASS XII

Evolution

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask:
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Question 7 of 26
🟢 NEET (Sept)2020 📘 CLASS XII

Evolution

Embryological support for evolution was disapproved by:
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Question 8 of 26
🟢 NEET (Sept)2020 📘 CLASS XII

Evolution

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?
A. Darwin's Finches of Galapagos islands.
B. Herbicide resistant weeds.
C. Drug resistant eukaryotes.
D. Man-created breeds of domesticated animals like dogs.
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Question 9 of 26
🟢 NEET (Sept)2020 📘 CLASS XII

Evolution

Flippers of Penguins and Dolphins are examples of:
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Question 10 of 26
🟢 NEET (Oct)2020 📘 CLASS XII

Evolution

After about how many years of formation of earth, life appeared on this planet?
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