In which of the following instrument used in the lab there exists an error of random category known as back lash error `(i)` Screw gauge `(ii)` Micrometer `(iii)` Vernier calipers

Which one of the following intruments is not used for the measurement of length? Atomic clock vernier callipers Screw gauge Spherometer

Identify the quantifers used in the following statements and write the negation of the statements : (i) there exists a number which is equal to its cube. (ii) for all states in india, there is a capital in india. (iii) there exists a man whose age is 150 years. (iv) all students are of 25 years or more.

Which of the following chemicals are used to manufacture methy1 isocyanate that caused Bhopal Tragedy ? (i)Methylamine (ii) Phosgene (iii) Phosphine (iv) Dimethylamine .

Identify the quantifier in each of the following statements: (i)For every real number x ,\ x+4 is greater then xdot (ii)There exists a real number which is twice of itself. (iii)There exists a (living) person who is 200 years old. (iv)For every x in NN ,\ x+1> xdot

Which of the following is the most precise device for measuring length (i) a vernier calipers with 20 divisions on the sliding scale (ii) a screw gauge of pitch Imm and 100 divisions on the circular scale (iii) an optical instrument that can measure length to within a wavelength of light?

Which of the following statements are correct? (i) Species is basic unit of classification in taxonomy. (ii) There is no suffix for genus, species & kingdom. (iii) Domain is a super kingdom category. (iv) Order is placed between division and class in taxonomic hierarchy.

Identify the quantifier in the following statements and write the negation of the statements.(i) There exists a number which is equal to its square.(ii) For every real number x, x is less than x + 1 .(iii) There exists a capital for every state in india.

Which of the following statements about transgenic animals is/are false (i) Transgenic animals are designed to study how genes are regulated (ii) They are specially made to serve as models for human diseases (iii) Transgenic cow Rosie was created to produce human protein alpha -1 antitrypsin (iv) Transgenic mice are used to test the safety of vaccines