Botany - Multiple Choice Questions (MCQs) and Answers | Botany Objective Questions and Answers | Botany General Knowledge (GK) Questions and Answers | Botany Quiz | Botany Questions and Answers | Botany Interview Questions and Answers | Botany MCQs for SSC, UPSC, Railway Exams | Botany Questions and Answers for Competitive Exams

Questions

21 Flower less plants are termed as:

A Cryptogams

B Thallophytes

C Bryophytes

D Phanerogams

View Answer Comment

Answer: Option [A]

22 Bio-diesel is mostly produced by:

A Liliaceae

B Malvaceae

C Myrtaceae

D Euphorbiaceae

View Answer Comment

Answer: Option [D]

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23 The most abundant enzyme in the living world is

A DNAse

B Rubisco

C Zymase

D Invertase

View Answer Comment

Answer: Option [B]

24 What is the impact of advancing glaciers on the rings of trees?

A They become concentric

B Their shape is distorted

C They become widely spaced

D They are immune to this change

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Answer: Option [B]

25 Insectivorous plants grow in soil deficient in

A Water

B Magnesium

C Nitrogen

D Calcium

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Answer: Option [C]

26 The red, orange and yellow colours of leaf is due to:

A Aldehydes

B Tannis

C Lignins

D Carotenoid

View Answer Comment

Answer: Option [D]

27 Bio-magnification implies

A Food is magnified

B Light is magnified

C Toxic matters are magnified

D Living beings are magnified

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Answer: Option [C]

28 Which of the following is an insectivorous plant?

A Drosera

B Orobanche

C Rafflesia

D Balanophora

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Answer: Option [A]

29 Protein part of enzyme is known as

A Holoenyme

B Apoenzyme

C Isoenzyme

D All the above

View Answer Comment

Answer: Option [B]

30 Entomology is the study of

A Fungi

B Fossils

C Insects

D Birds

View Answer Comment

Answer: Option [C]

NCERT Class 12 Biology Solved Multiple Choice Questions

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