Bihar Secondary Board Examination Patna

My sister is in class 12th (Science Biology) of Bihar Secondary Board Examination Patna. She wants to start preparation for final examinations. So she wants to download model question paper. So is there anyone who will provide model question paper of Class 12th of Bihar Secondary Board Examination Patna?

[Garima Chauhan]

As you are searching for model question paper of Class 12th (Science Biology) stream of Bihar Secondary Board Examination Patna, so here I am giving following question papers:

Bihar Secondary Board Examination Patna Class 12th Biology Question Paper

In which of the following fertilization needs water medium-
(a) Angiosperms (b) Bryophytes (c) Gymnosperms (d) All

Select the odd one out with respect to haemophilia-
(a) X–linked dominant disorder (b) Bleedder’s disease
(c) Criss-cross inheritance (d) X-linked recessive disorder

Minimata disease is due to pollutant-
(a) SO2 (b) H2S (c) Mercury (d) Lead

Which of the following is the high-milk yielding variety of cow ?
(a) Dorset (b) Holstein (c) Pashmina (d) Nellore

Binary fission is found in-
(a) Amoeba (b) Paramoecium
(c) Water hyacinth (d) Amoeba and Paramoecium both

In the XX XO  type of sex determination-
(a) Females produce only one type of eggs (b) Females have only one X-chromosome
(c) Males have two X-chromosomes (d) Males are homogametic

A secondary pollutant is
(a) Aerosol (b) CO2 (c) PAN (d) CO

Taichung Native-1 is a variety of
(a) Wheat (b) Rice (c) Sugarcane (d) Maize

Fusion of gametes is called
(a) Pollination (b) Sugarcane (c) Parthenogenesis (d) Sporogenesis

Which of the following genotype will produce 4 different types of gametes ?
(a) AAbbccddEE (b) aaBbccdd (c) AaBbCC (d) Aabb

Who proposed the term ecosystem ?
(a) Odum (b) Tansley (c) Warming (d) Gardner

Method of producing thousands of plants through tissue culture is called
(a) Micropropagation (b) Somatic hybridization
(c) Somatic embryogenesis (d) Anther culture

Which of the following is called ‘Terror of Bengal’ ?
(a) Bryophyllum (b) Water hyacinth (c) Agave (d) Banana

Holandric genes are found on
(a) X-chromosome (b) Y-chromosome
(c) Sex chromosome or autosome (d) Autosom

Artificial insemination cannot be practiced in
(a) Horses (b) Camels
(c) Fish (d) Goats

Infective stage of Plasmodium is
(a) Sporozoits (b) Tropozoits
(c) Cryptozoits (d) Metacryptozoits

Cause of diabetes is
(a) Deficiency of sodium (b) Deficiency of iodine
(c) Deficiency of Enzyme (d) Deficiency of Hormone

What is available in Dairy farm
(a) Milk (b) Butter (c) Cheese (d) All

T-cells are responsible for
(a) Humoral immunity reaction (b) Cell mediated immune reaction
(c) Formation of antibody (d) Making heparin

Found in the urine of diabetes patients -
(a) Fat (b) Protein (c) Minerals (d) Sugar

During his journey Darwin went to islands-
(a) Galapagos (b) Andaman (c) West Indies (d) None of the above

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