(i) There are a total of 26 questions and five sections in the question paper, All questions are compulsory.
(ii) Section A contains question number 1 to 5, Very Short Answer type questions of one mark each.
(iii) Section B contains question number 6 to 10, Short Answer type I questions of two marks each.
(iv) Section C contains question number 11 to 22, Short Answer type II questions of three marks each.
(v) Section D contains question number 23, Value Based Question of four marks.
(vi) Section E contains question number 24 to 26, Long Answer type questions of five marks each.
(vii) There is no overall choice in the question paper, however, an internal choice is provided in one question of two marks, one question of three marks and all three questions of five marks. An examinee is to attempt any one of the questions out of the two given in the question paper with the same question number.
- Q1VIEW SOLUTION
- Q2VIEW SOLUTION
- Q3VIEW SOLUTION
- Q4VIEW SOLUTION
- Q5VIEW SOLUTION
- Q6VIEW SOLUTION
- Q7VIEW SOLUTION
- Q8VIEW SOLUTION
- Q9VIEW SOLUTION
Name the causative organism of the disease amoebiasis. List three symptoms of the disease.
Identify 'A', 'B', 'C' and 'D' in the given table.
Crop Variety Resistance to disease Himgiri Leaf rust Cauliflower Pusa Shubhra Brassica Pusa Swarnim Cowpea Bacterial blight
- Q11VIEW SOLUTION
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- Q15VIEW SOLUTION
- Q16VIEW SOLUTION
During a school trip to 'Rohtang Pass', one of your classmate suddenly developed 'altitude sickness'. But, she recovered after sometime.VIEW SOLUTION
(a) Mention one symptom to diagnose the sickness.
(b) What caused the sickness?
(c) How could she recover by herself after sometime?
- Q18VIEW SOLUTION
"In a food-chain, a trophic level represents a functional level, not a species." Explain.
(a) Name any two places where it is essential to install electrostatic precipitators. Why it is required to do so?
(b) Mention one limitation of the electrostatic precipitator. VIEW SOLUTION
Prior to a sports event blood & urine samples of sports-persons are collected for drug tests.VIEW SOLUTION
(a) Why is there a need to conduct such tests?
(b) Name the drugs the authorities usually look for.
(c) Write the generic names of two plants from which these drugs are obtained.
Given below is a list of six micro-organisms. State their usefulness to humans.VIEW SOLUTION
(b) Saccharomyces cerevisiae
(c) Monascus purpureus
(d) Trichoderma polysporum
(e) Penicillium notatum
(f) Propionibacterium sharmanii
- Q21VIEW SOLUTION
(a) Explain the post-pollination events leading to seed production in angiosperms.
(b) List the different types of pollination depending upon the source of pollen gain.
Or(a) Briefly explain the events of fertilisation and implantation in an adult human female.VIEW SOLUTION
(b) Comment on the role of placenta as an endocrine gland.
(a) How are the following formed and involved in DNA packaging in a nucleus of a cell?(i) Histone octomer
(b) Differentiate between Euchromatin and Heterochromatin. VIEW SOLUTION
(a) Why should we conserve biodiversity ? How can we do it?VIEW SOLUTION
(b) Explain the importance of biodiversity hot-spots and sacred groves.
(a) Represent diagrammatically three kinds of age-pyramids for human populations.
(b) How does an age pyramid for human population at given point of time helps the policy-makers in planning for future.
Reproductive and Child Healthcare (RCH) programmes are currently in operation. One of the major tasks of these programmes is to create awareness amongst people about the wide range of reproduction related aspects. As this is important and essential for building a reproductively healthy society.VIEW SOLUTION
(a) "Providing sex education in schools in one of the ways to meet this goal." Give four points in support of your opinion regarding this statement.
(b) List any two 'indicators' that indicate a reproductively healthy society.
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