1. The outer layer of pollen grain is thick and made up of complex ,nonbiodegradable substance called as…………………. A. lignin B. cellulose C. pectin D. Sporopollenin
2. Sporoderm is made up of …………. A. exosporium and endosporium B. outer integuments and inner integument C. testa and tegmen D. exine and intine
3. The number of meiotic and mitotic divisions necessary for development of female gametophyte in angiosperms is… A. 1 meiosis and 2 mitosis B. 1 mitosis and 3 meiosis C. 1 meiosis and 1 mitosis D. 1 meiosis and 3 mitosis.
4. Identify the odd one with respect to pollinating agent. A. Baobab B. Bottle brush C. Kadamb D. Sausage
5. In vitro pollen germination and pollen tube elongation can be induced by—– A. boric acid B. glucose C. lactose D. sucrose
Maharashtra Class XII Economics Sample Questions
Choose The Correct Option: i. Scope of micro economics. a) Theory of Product Pricing b) Theory of Growth and Development c) Theory of General Price Level and Inflation d) Theory of Income and Employment
Options: 1) Only a 2) a, b, c 3) b, c, d 4) a, c, d
ii. Statements related to macro economics. a) It is the study of aggregates b) It is based on certain assumptions c) It takes into account interdependence between aggregate economic variables d) It is a policy oriented science
Options: 1) a, b, c, d 2) a, b, c 3) b, c, d 4) a, c, d
iii. Exceptions to the law of diminishing marginal utility. a) Cardinal measurement b) Hobbies c) Miser d) Money
Options: 1) Only a 2) a, b, c 3) b, c, d 4) a, c, d
iv. Criticisms to the law of diminishing marginal utility a) Based on unrealistic assumptions b) Not applicable to indivisible and bulky goods c) The law is restricted to satisfaction of a single want d) In reality, cardinal measurement of utility not possible
Options: 1) Only a 2) a, b, c 3) b, c, d 4) a, b, c, d
v. Statements that explain Giffen’s paradox a) It is an exception to the law of demand b) It is applicable to inferior or low quality goods c) Demand increases when the prices of inferior goods fall d) It was identified by Prof. Alfred Marshall
Options: 1) Only a 2) a, b, 3) b, c, d 4) a, b, c, d
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