MHT-CET PCB 07 — MHT - CET STD 12 Science — Question

The equation of the tangent to the curve y = `2x + 1/x^2`, that is parallel to the X-axis, is ______.

The equation of line equally inclined to co-ordinate axes and passing through (–3, 2, –5) is ______.

The pyranose structure of glucose is ____________.

Most excited states of an atom have life times of about ____________.

What mass of an oxygen gas will occupy 8.21 L of volume at 1 atm pressure and 400 K temperature?

Identify the INCORRECT statement from the following.

i. The compatible pollen absorbs water and nutrients from the surface of stigma, germinates and produces pollen tube.

ii. The pistil has the ability to recognise and accept the right or compatible pollen of the same species.

iii. Pollination always guarantee the transfer of right type of pollen grain on stigma.

Which type of pollination is observed in Anthocephalus and Kigelia pinnata?

Which of the following interhalogen is a pale brown gas at room temperature?

Two waves having the same amplitude and frequency overlap near a point. The ratio of the intensities when the two waves arrive in phase to that when they arrive 90° out of phase is ______

The odds in favour of drawing a king from a pack of 52 playing cards is ______.