Bihar Board Intermediate Biology Exam 2019 Answer Key SET B

 

Biology Set- B Answer Key Updated

Q. No. Answer Q. No. Answer
1 A 2 B
3 B 4 B
5 A 6 A
7 B 8 A
9 B 10 A
11 B 12 A
13 A 14 B
15 A 16 A
17 D 18 A
19 D 20 B
21 A 22 A
23 C 24 A
25 A 26 A
27 A 28 A
29 B 30 A
31 C 32 C
33 C 34 A
35 C
    1. Yeast reproduces by means of ?

    Ans-Budding

    1. Gametes are usually?

    Ans-Haploid

    1. Gyaneocium is made up of ?

    Ans-All of these

    1. Flower of valisenaria spp is

    Ans- Hydrophilous

    1. Uterus is releated to-

    Ans-Female Reproductive system

    1. The interior portion of sperm is covered by a cap like structure known as-

    Ans-Acrosome

    1. The phenotypic ratio for F2 generation in incomplete dominance is

    Ans–1:2: 1

    1. L Miller is related to-

    Ans-origin and evolution of life

    1. Uracil is related to

    Ans-RNA

    1. Synthesis of RNA on DNA template is known as

    Ans-transcription

    1. Which of the following is a wrong pair-

    Ans-T=U

    1. Lac Operon represent

    Ans- inducible gene system

    1. Drypoithicous is most similar to

    Ans-ape

    1. Amphibians among plant belong to-

    Ans-bryophyte

    1. Sickle Cell anaemia is related to which type of disease-

    Ans- autosomal linked disease

    1. B lymphocyte is produced in-

    Ans-bone marrow

    1. Tuberculosis is transmitted by –

    Ans-air

    1. Amplification of gene interest may be done by-

    Ans-PCR

    1. Organic evolution was preceded by chemical evolution the champion of this theory is –

    Ans-opern and j b s haldane

    1. Opium is obtained from –

    Ans-somniferum Tubersoum

    1. Cryi controls –

    Ans-Corn Borer

    1. Rnai is used to control pest of-

    Ans-tobacco

    1. Restriction enzyme are known as –

    Ans-molecular season

    1. MPR gene is responsible for developing resistance in –

    Ans-antibiotics

    1. For induction of Alien DNA in host cell we may use-

    Ans-Plasmid

    1. Bioreactors provide optimal condition to produce desired-

    Ans- all of these

    1. Transgenic mice may be used for testing of the –

    Ans-safety of vaccine

    1. In a certain case of early and accurate detection of disease we may use-

    Ans-ELISA

    1. Taichung is a variety of –

    Ans-sugarcane

    1. Nitrogen fixation in soil we may use –

    Ans-cyanobacteria

    1. Bravery is concerned with-

    Ans-protozoan

    1. Pisciculture is culture of –

    Ans-aquatic animal

    1. Water holding capacity is one of the quality of –

    Ans-soil

    1. Number of deaths during a limited period of time and place for a particular population is known as-

    Ans-motility

    1. Climax community is present in which area is

    Ans-equilibrium