[payal]

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Hi buddy here I am looking for Maharashtra State Board HSC Question Papers Science subject so will you plz let me know from where I can do download it ??

[Vishal Kotkar]

As you want here I am giving below Maharashtra State Board HSC Question Papers Science subject,

Q.1. Select and write the most appropriate answer from the give
n alternatives for each sub-
question:
[7]
i. The genotype of human blood group B is __________.
(A) I
A
i
(B) I
B
i
(C) I
A
I
A
(D)
ii
ii. Breakdown of detritus into
smaller particles is called ___
_______.
(A) fragmentation
(B) leaching
(C) catabolism
(D) humification
iii. In
Brassica
(rapeseed, mustard) __________ variety is resistant to Aphids.
(A)
Pusa A-4
(B)
Pusa Gaurav
(C)
Pusa Sawni
(D)
Pusa Shubra
iv. The antibiotic chloromycetin is obtained from __________.
(A)
Sclerotiana libertine
(B)
Aspergillus niger
(C)
Streptomyces griseus
(D)
Streptomyces venezuelae
v. The __________ enzyme is used
to cut DNA at specific point.
(A) DNA polymerase
(B) Alkaline phosphatase
(C) restriction endonuclease
(D) DNA ligase
vi. R. Q. for proteins is about __________.
(A) 0.7
(B) 0.8
(C) 0.9
(D) 1.0
vii. Ozone depletion is occurring widely in the stratosphere,
it leads to ozone hole caused mainly
due to __________.
(A) ethylene
(B) methane
(C) CFCs
(D) CO
2
Q.2. (A) Answer each question in ‘One’ sentence only :
(6)[
12]
i. Give an example of the source of thermostable enzyme DNA po
lymerase.
ii. Give an example of the non-edible or poisonous mushroom, s
tudied by you.
iii. Name the secondary metabolites in
Catharanthus roseus
.
iv. What is meant by ecological succession?
v. Name the organism and enzyme which bring about alcoholic fe
rmentation of sucrose.
vi. Enlist any ‘two’ floral adaptations in
salvia

Maharashtra State Board HSC Question Papers Science subject