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Biology General Knowledge Quiz for Competitive Exams

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Biology General Knowledge Quiz is the scientific study of life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, and behavioural patterns. It is a vast and fascinating field that encompasses everything from the smallest microscopic organisms to the largest ecosystems on Earth. Biology General Knowledge Quiz questions cover a wide range of topics such as genetics, evolution, ecology, anatomy, physiology, and biochemistry, among others. These questions test your knowledge and understanding of biology's fundamental concepts and principles and can help you gain a deeper appreciation for the complexity and diversity of life.

Biology General Knowledge

Here, I am sharing Biology General Knowledge Quiz and Answers related to life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, and behavioural patterns for upcoming competitive exams like SSC, RRB and other government exams.

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If you are preparing for competitive exams you can quickly get a free General Knowledge Mock Test and Current Affairs Mock Test on this platform for online exam practice to obtain good marks in competitive exams.

Biology General Knowledge Quiz for Competitive Exams

Q :  

Which bacteria is used for nitrogen fixation in sugarcane?

(A) Rhizobium

(B) Azospirillum

(C) Bacillus

(D) Acetobacter diazotrophicus

Correct Answer : D

Q :  

Which one of the following components is not essential for the certification of organic farming?

(A) Fertigation with urea

(B) Use of herbicide

(C) Use of insecticide

(D) Seed treatment with chemicals

Correct Answer : A

Q :  

Extra-chromosomal material is present in micro-organisms?

(A) Viroid

(B) Ribozyme

(C) Plasmid

(D) None of these

Correct Answer : C

Q :  

A Taxon with a maximum number of homologous genes is found in?

(A) in order

(B) in species

(C) in descent

(D) in square

Correct Answer : B
Explanation :
Scientists have discovered that the animal with the most genes--about 31,000--is the near-microscopic freshwater crustacean Daphnia pulex, or water flea. By comparison, humans have about 23,000 genes.



Q :  

N.E. In which field did Borlaug get the Nobel Prize (1970)?

(A) Agriculture

(B) Economics

(C) Plant Pathology

(D) Peace

Correct Answer : D
Explanation :
Norman Ernest Borlaug (born March 25, 1914, near Saude, Iowa, U.S.—died September 12, 2009, Dallas, Texas) American agricultural scientist, plant pathologist, and winner of the Nobel Prize for Peace in 1970.



Q :  

From the following fish is best suited for increasing fish production in a pond with healthy competition?

(A) Ornament fishes

(B) Native fish

(C) Foreign fish

(D) ALL OF THE ABOVE

Correct Answer : B

Q :  

From the following, the Pusa Basmati is an improved variety of?

(A) Wheat

(B) Rice

(C) Tide

(D) Maize

Correct Answer : B

Q :  

Lysozyme is found in the milk of which animal?

(A) Cow

(B) Camel

(C) Buffalo

(D) Goat

Correct Answer : B

Q :  

The main reason for the yellowing of cow's milk is?

(A) Xanthophylls

(B) Anthocyanin

(C) Carotene

(D) Pigment

Correct Answer : C

Q :  

The catch of tomatoes is preserved by the use of

(A) Benzoic acid

(B) Ascorbic acid

(C) Acetic acid

(D) KMS

Correct Answer : A

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