Class XI & XII · Biology practice

Zoology PYQs

Check your understanding, bookmark questions and revisit your mistakes.

Page score: 0/40
Choose an answer to begin.

Practice scoring: +4 correct, 0 incorrect. Filters apply to this page. Use timed tests for negative marking.

Answers and bookmarks are saved in this browser, across visits. They do not sync to your account.

407 questions in this collection · Page 29 of 41

Question 281 of 407
🟢 NEET 2019 📘 CLASS XII

Strategies For Enhancement In Food Production

Select the incorrect statement:
Request an AI explanation using Show explanation.
Question 282 of 407
🟢 NEET 2019 📘 CLASS XII

Microbes In Human Welfare

Match the following organisms with the products they produce:
(A)Lactobacillus (I)Cheese
(B)Saccharomyces cerevisiae (II)Curd
(C)Aspergillus niger (III)Citric Acid
(D)Acetobacter aceti (IV)Bread
(V)Acetic Acid
Select the correct option.
Request an AI explanation using Show explanation.
Question 283 of 407
🟢 NEET 2019 📘 CLASS XII

Biodiversity And Conservation

The Earth Summit held in Rio de Janeiro in 1992 was called:
Request an AI explanation using Show explanation.
Question 284 of 407
🟢 NEET 2019 📘 CLASS XII

Environmental Issues

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to:
Request an AI explanation using Show explanation.
Question 285 of 407
🟢 NEET 2019 📘 CLASS XII

Environmental Issues

Which of the following protocols did aim for reducing emission of chloroflurocarbons into the atmosphere?
Request an AI explanation using Show explanation.
Question 286 of 407
🟢 NEET 2019 📘 CLASS XII

Environmental Issues

Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?
Request an AI explanation using Show explanation.
Question 287 of 407
🟢 NEET 2019 📘 CLASS XII

Environmental Issues

Which of these following methods is the most suitable for disposal of nuclear waste?
Request an AI explanation using Show explanation.
Question 288 of 407
🟢 NEET 2019 📘 CLASS XII

Environmental Issues

Which of the following pairs of gases is mainly responsible for green house effect?
Request an AI explanation using Show explanation.
Question 289 of 407
🟢 NEET 2019 📘 CLASS XII

Environmental Issues

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:
Request an AI explanation using Show explanation.
Question 290 of 407
🟢 NEET 2019 📘 CLASS XII

Reproductive Health

Which of the following sexually transmitted diseases is not completely curable?
Request an AI explanation using Show explanation.
Page score: 0/40