| April 24th, 2018 06:54 PM | |
| Vishal Kotkar | Re: maharashtra state board hsc question papers science download 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     |
| April 24th, 2018 06:50 PM | |
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| June 24th, 2016 01:01 PM | |
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