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. 1. Yeast reproduces by means of ?

   Ans-Budding

   2. Gametes are usually?

   Ans-Haploid

   3. Gyaneocium is made up of ?

   Ans-All of these

   4. Flower of valisenaria spp is

   Ans- Hydrophilous

   5. Uterus is releated to-

   Ans-Female Reproductive system

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

   Ans-Acrosome

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

   Ans–1:2: 1

   8. L Miller is related to-

   Ans-origin and evolution of life

   9. Uracil is related to

   Ans-RNA

   10. Synthesis of RNA on DNA template is known as

   Ans-transcription

   11. Which of the following is a wrong pair-

   Ans-T=U

   12. Lac Operon represent

   Ans- inducible gene system

   13. Drypoithicous is most similar to

   Ans-ape

   14. Amphibians among plant belong to-

   Ans-bryophyte

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

   Ans- autosomal linked disease

   16. B lymphocyte is produced in-

   Ans-bone marrow

   17. Tuberculosis is transmitted by –

   Ans-air

   18. Amplification of gene interest may be done by-

   Ans-PCR

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

   Ans-opern and j b s haldane

   20. Opium is obtained from –

   Ans-somniferum Tubersoum

   21. Cryi controls –

   Ans-Corn Borer

   22. Rnai is used to control pest of-

   Ans-tobacco

   23. Restriction enzyme are known as –

   Ans-molecular season

   24. MPR gene is responsible for developing resistance in –

   Ans-antibiotics

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

   Ans-Plasmid

   26. Bioreactors provide optimal condition to produce desired-

   Ans- all of these

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

   Ans-safety of vaccine

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

   Ans-ELISA

   29. Taichung is a variety of –

   Ans-sugarcane

   30. Nitrogen fixation in soil we may use –

   Ans-cyanobacteria

   31. Bravery is concerned with-

   Ans-protozoan

   32. Pisciculture is culture of –

   Ans-aquatic animal

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

   Ans-soil

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

   Ans-motility

   35. Climax community is present in which area is

   Ans-equilibrium