Q.1. Multiple Choice Questions : All of the following is true about biotechnology except – a.Uses abilities of microbes like yoghurt production from milk and alcohol from molasses. b. Production of antibiotics and vaccines, etc. with the help of specific cells. c.Use of bio-molecules like DNA and proteins in human welfare. d.Used to create […]
Month: October 2023
Maharashtra board 10th science part 2 topic 7.Introduction to microbiology solution.
Multiple Choice Questions 12 In which of the following industries, microbial enzymes are not used? Glass industry b. Cheese industry c. Tanning industry d. Paper industry. Ans Option a. Chemical Formula of vinegar – CH3COOH b. CH3 (CO)2 Ans Option a. c. CH3 (CH2)2 CH2 d. CH3CHO Cheese formed after ripening for 12-18 months is […]
Maharashtra board 10th science part 2 topic 1.heredity and evolution solution.
Q.1 Textbook activity question. 1. Sketch and explain the structure of DNA and various types of RNA. Ans DNA is made up of nucleotide molecules. Phosphate group, a sugar group and a nitrogen base are present in each nucleotide. The nitrogen base is of four types. Cytosine ( c) guanine (G), thymine (T), and adenine […]
MCQ 8th science topic 1 Living World and Classification of Microbes MCQ
1) …………………..are found in soil, fresh water and sea water. A ) Protozao B ) Bacteria C ) Fungi Ans A ) Protozao 2) Robert Harding Whittaker was an American ecologist. A ) True B ) False Ans A ) True 3 ) Complexity of cell structure was one of the criteria for […]
Maharashtra Borad Solutions for Class 10 Science part-1 Chapter 2 Periodic Classification Of Elements
Q.1. Textbook activity question 1] Write the molecular formulae of oxides of the following elements by referring to the Mendeleev’s periodic Na, Si, Ca, C, Rb, P, Ba, Cl, Sn, Ca Element Molecular formula Element Molecular formula Na Na2O P P2O5 Si SiO2 Ba BaO Ca CaO Cl Cl2O7 C CO2 Sn SnO2 Rb […]
MCQ on 10 science part -1 Topic-2 periodic Classification of elements MCQ
1 ) Elements are classified as …………… A ) Metals B ) Non-metals C ) Metalloids D ) All of the above Ans D ) All of the above 2 ) Which is odd among the following ? A ) Li B ) Sr C ) K D ) Na Ans B ) Sr 3 […]
10th science part-2 topic -1 heredity and evolution mcq.
1 )The diagram provides.. A ) Morphological Evidences B ) Anatomical Evidances C ) Outward evidences D ) Appearable evidences Ans B ) Anatomical Evidances 2 ) Different theories about origin and evolution of life have been proposed till today of which theory of ……………is accepted. A ) Theory of Human creation B ) Darwin’s […]
MCQ solutions for Science and Technology Part 1 chapter 5 – Heat
1) The heat energy absorbed at constant temperature by unit mass of a solid to convert into liquid is called…………… . A ) Specific latent heat of fusion B ) Specific latent heat of vaporization Ans A ) Specific latent heat of fusion 2 ) Different substances have different melting points but same boiling points. […]
Best MCQ On Topic-8 Cell Biology & Biotechnology. 10th Science And Technology Part -2
1]Cell Biology and Biotechnology
2]Cell Biology (Cytology
3] stem cell
4] biotechnology and its application
5] important stages in development of agriculture
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