HSC Maharashtra Board Biology Exam Question Paper

[Quick Sam]

Will you please provide the question paper of HSC Maharashtra Board Biology Exam ?

Here is the list of few questions of HSC Maharashtra Board Biology Exam Question Paper which you are looking for .

Q.1. Select and write the most appropriate answer from the given alternatives for each sub-question: [7]
i. The pattern of ecosystem in which density and distribution of species vary along a horizontal gradient
is _______.
(A) zonation
(B) stratification
(C) ecological niche
(D) speciation
ii. The enzyme affecting the shelf life of flavr savr tomato is _______.
(A) galactosidase
(B) trans acetylase
(C) permease
(D) polygalactouranase
iii. In nomenclature of RENs (restriction endo-nucleases) Hind III, III stands for ______.
(A) genus name
(B) species name
(C) order of discovery
(D) strain of the organism
iv. Rhizobium phaseoli fixes atmospheric nitrogen symbiotically in _______.
(A) pea (B) bean
(C) jowar (D) maize
v. In nucleotide, the nitrogen base is attached to carbon no.1 of sugar by _______ bond.
(A) glycosidic (B) hydrogen
(C) phosphodiester (D) phosphate
vi. During biogas production microorganism used to bring about the anaerobic digestion is _______.
(A) Pseudomonas (B) Rhizopus
(C) Methanococcus (D) Methanobacillus
HSC Maharashtra Board Biology Exam Question Paper

Biology question paper of october 2014

[QUOTE=Quick Sam;164108]Here is the list of few questions of HSC Maharashtra Board Biology Exam Question Paper which you are looking for . Q.1. Select and write the most appropriate answer from the given alternatives for each sub-question: [7] i. The pattern of ecosystem in which density and distribution of species vary along a horizontal gradient is _______. (A) zonation (B) stratification (C) ecological niche (D) speciation ii. The enzyme affecting the shelf life of flavr savr tomato is _______. (A) galactosidase (B) trans acetylase (C) permease (D) polygalactouranase iii. In nomenclature of RENs (restriction endo-nucleases) Hind III, III stands for ______. (A) genus name (B) species name (C) order of discovery (D) strain of the organism iv. Rhizobium phaseoli fixes atmospheric nitrogen symbiotically in _______. (A) pea (B) bean (C) jowar (D) maize v. In nucleotide, the nitrogen base is attached to carbon no.1 of sugar by _______ bond. (A) glycosidic (B) hydrogen (C) phosphodiester (D) phosphate vi. During

[QUOTE=Unregistered;378794][QUOTE=Quick Sam;164108]Here is the list of few questions of HSC Maharashtra Board Biology Exam Question Paper which you are looking for . Q.1. Select and write the most appropriate answer from the given alternatives for each sub-question: [7] i. The pattern of ecosystem in which density and distribution of species vary along a horizontal gradient is _______. (A) zonation (B) stratification (C) ecological niche (D) speciation ii. The enzyme affecting the shelf life of flavr savr tomato is _______. (A) galactosidase (B) trans acetylase (C) permease (D) polygalactouranase iii. In nomenclature of RENs (restriction endo-nucleases) Hind III, III stands for ______. (A) genus name (B) species name (C) order of discovery (D) strain of the organism iv. Rhizobium phaseoli fixes atmospheric nitrogen symbiotically in _______. (A) pea (B) bean (C) jowar (D) maize v. In nucleotide, the nitrogen base is attached to carbon no.1 of sugar by _______ bond. (A) glycosidic (B) hydrogen (C) phosphodieste

HSC 2015 october PCMB board question papers

Can u give me October 2015 biology question paper

12th board paper of biology 2014 hsc

Hi buddy here I am looking for Maharashtra Board HSC Biology Exam Question Paper to do preparation of this exam so will you plz provide me same here if you have it ??

[sumit]

As you are asking for Maharashtra Board HSC Biology Exam Question Paper so on your demand I am providing same:

SECTION I
[BOTANY]
Q.1. Select and write the most appropriate answer from the given alternatives (along with its
alphabet number) for each sub-question: [7]
i. The phenotypic ratio of incomplete dominance is _______.
(A) 1 : 1 (B) 3 : 1
(C) 1 : 2 : 1 (D) 9 : 3 : 3 : 1
ii. Nucleoside is a nucleotide without _______.
(A) sugar (B) nitrogen base
(C) hydrogen bond (D) phosphate group
iii. Which of the following is white button mushroom?
(A) Agaricus bisporus (B) Pleurotus florida
(C) Volvariella volvacea (D) Candida sp.
iv. Brown rust of wheat is caused by _______.
(A) viruses (B) bacteria
(C) fungi (D) aphids
v. The reaction centre of PS-II is _______.
(A) Chl a, 700 (B) Chl a, 680
(C) Chl a, 673 (D) Chl a, 650
vi. The enzymes required for synthesis of ATP are located on _______.
(A) oxysomes (B) cristae
(C) matrix (D) ribosomes
vii. In a food chain, the herbivores are represented by _______.
(A) producers (B) primary consumers
(C) secondary consumers (D) decomposers
Q.2. (A) Answer each question in One sentence only: (6)[12]
i. What is leaching?
ii. Define chemoautotrophs.
iii. Name the cell organelle in which Krebs cycle occurs.
iv. What is deforestation?
v. Give the microbial source of Vit. B12.
vi. What is primary treatment of sewage
(B) Sketch and label a pollen grain of angiosperms. (2)
(C) Attempt any TWO of the following: (4)
i. Enlist the basic steps involved in recombinant DNA technology.
ii. Give two examples of microbial pesticides with their hosts.
iii. Give the significance of respiration.
iv. Explain the energy pyramid.
Q.3. (A) Attempt any TWO of the following: (6)[9]
i. With the help of a suitable diagram describe the structure of a nucleosome.
ii. Describe the steps of PCR technique.
iii. Describe different steps involved in tissue culture technique.
(B) Sketch and label T.S. of a leaf showing Kranz anatomy. (3)
Q.4. With the help of a neat and labelled diagram describe the development of female gametophyte of
angiosperms. [7]
OR
Explain the law of independent assortment with a suitable example.