Biology 12th

1. Microbes are found (A) in soil (B) in air (C) in water (D) everywhere [Ans. (D)] 2. The microscopic proteinous infectious agents are called (A) protozoa (B) fungi (C) prions (D) bacteria (Ans. (C)] 3. The nutritive media for growing bacteria and other microorganisms in the laboratory is called (A) colonies (B) culture media …

12th Biology Microbes in Human Welfare Objective Questions Read More »

Achiever BSEB Q.1. Name any bacteria with flagellum. Ans- Examples of bacteria having flagella are vibrio cholerae, E.coli, spirochaetes etc. It helps in locomotion of bacteria. Q.2. Write a note in brief about asexual reproduction in organisms. Ans- A sexual reproduction is a mode of reproduction that involves a single parent. It results in offspring …

Class-12th “Reproduction Of Organisms” VVI Objective Questions Bihar Board / “Reproduction Of Organisms” Chapter 1 Subjective Questions Bihar Board Read More »

Achiever BSEB Q.1. Differentiate between nucleoside and nucleotide.  Ans- Nucleoside :- (A) A nucleoside consists of a nitrogenous base covalently attached to a sugar but without the phosphate group. (B) Several nucleoside used as antiviral or anti cancer agents. Nucleotide :- (A) A nucleotide consists of nitrogenous base, a sugar and one to three phosphate group. (B) Malfunctioning nucleotides are …

Class-12th Biology Most VVI Objective Questions / Biology MVVI Objective Questions Bihar Board Read More »