2019 MHT-CET PCB SET - 01 — MHT - CET STD 12 Science — Question

How many codons will be altered in the following case?
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases.

The graph of species richness and area for a number of taxa like angiospermic plants, freshwater fishes, and birds is found to be ______.

The molecular weights of oxygen and hydrogen are 32 and 2 respectively. The root mean square velocities of oxygen and hydrogen at N.T.P. are in the ratio ______

Let `bar"a" = 2hat"i" + hat"j" - 2hat"k" and bar"b" = hat"i" + hat"j"`. Let `vec"c"` be a vector such that `|bar"c" - bar"a"| = 3, |(bar"a" xx bar"b") xx bar"c"|` = 3 and the angle between `vec"c" and vec"a" xx vec"b" "be" 30^circ`. Then `vec"a" * vec"c"` is equal to ______.

Which one of the following curves represents the variation of impedance (Z) with frequency f in series LCR circuit?

Which among the following defects is observed in Brass?

When ethyl methyl ether is treated with cold concentrated HI, it gives two products. Products formed are ____________.

Which among the following polymers is a copolymer?

If the foot of perpendicular drawn from the origin to the plane is (3, 2, 1), then the equation of plane is ____________.