Complete the statements by choosing correct options from bracket. Transfer of information from molecule of DNA to mRNA is called ……………….. process. (March ’20) (Textual) (A) translocation (B) translation (C) transcription (D) mutationAns. (C) transcription …………… is a connecting link between Annelida and Arthropoda. (March ’19) (A) Duck-billed platypus (B) …
Choose the correct alternative and write its alphabet against the subquestion number: Which of the following is man-made disaster? (March’19, July ’19) (A) Earthquake (B) Flood (C) Meteor (D) Leakage of toxic gasesAns. (D) Leakage of toxic gases Give reasons : Mock drill is useful. OR What is …
Choose the correct alternative and write its alphabet against the subquestion number: ……………… helps to improve concentration in the studies. (Sept. ’21)(A) Meditation (B) Music (C) Dancing (D) LaughingAns. (A) Meditation State whether True or False : Tobacco containing substances cannot cause cancer of mouth and lungs. (March ’20)Ans. False What …
(a) What is biotechnology? (March ’19) Ans. The techniques of bringing about improvements in living organisms by artificial genetic changes and by hybridization for the welfare of human beings is called biotechnology. (b) Explain any two commercial applications of it. (March ’19)Ans. Biotechnology can be used in the following professional fields, viz. crop biotechnology, animal …
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Choose the correct alternative and write its alphabet against the sub question number: (1) ………………. beverage is obtained by fermentation of apple juice. (July ’19) (A) Cider (B) Wine (C) Coffee (D) Cocoa Ans. (A) Cider (2) Salts which can be used as supplement of calcium and …
Choose the correct alternative and write its alphabet against the subquestion number : (1) ………………….. is a cold blooded animal. (March ’19) (A) Bat (B) Snake (C) Rabbit (D) ElephantAns. (B) Snake (2) Calcareous spines are present on the body of animal. (July ’19)(A) fish …
