2019 MHT-CET PCM SET - 03 — MHT - CET STD 12 Science — Question

The digestion of ______ begins with the action of salivary amylase.

The oxidation number of oxygen in peroxides is ____________.

Which of the following is controlled by Hering-Breuer reflex?

A fix number of spherical drops of a liquid of radius 'r' coalesce to form a large drop of radius 'R' and volume 'V'. If 'T' is the surface tension then energy ______.

If the volume of the tetrahedron formed by the coterminous edges `bar"a", bar"b" and bar"c"` is 5, then the volume of the parallelopiped formed by the coterminous edges `bar"a" xx bar"b", bar"b" xx bar"c" and bar"c" xx bar"a"` is

Which of the following are radioactive?

i. Argon

ii. Polonium

iii. Astatine

iv. Tellurium

Which of the following is the CORRECT sequence of events during double fertilization in Angiosperms?

A step-up transformer has 300 turns of primary winding and 450 turns of secondary winding. A primary is connected to 150 V and the current flowing through it is 9A. The current and voltage in the secondary are 

During glycolysis, the first molecule to be dehydrogenated is ______.