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Bihar Board Intermediate Biology Exam 2019 Answer Key SET A

Bihar Board Biology Answer Key Updated

    1. Yeast reproduces by means of ?


    1. Gametes are usually?


    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-


    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


    1. Synthesis of RNA on DNA template is known as


    1. Which of the following is a wrong pair-


    1. Lac Operon represent

    Ans- inducible gene system

    1. Drypoithicous is most similar to


    1. Amphibians among plant belong to-


    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 –


    1. Amplification of gene interest may be done by-


    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-


    1. Restriction enzyme are known as –

    Ans-molecular season

    1. MPR gene is responsible for developing resistance in –


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


    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-


    1. Taichung is a variety of –


    1. Nitrogen fixation in soil we may use –


    1. Bravery is concerned with-


    1. Pisciculture is culture of –

    Ans-aquatic animal

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


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


    1. Climax community is present in which area is


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


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