2020 MHT-CET PCM SET - 02 — MHT - CET STD 12 Science — Question

Which of the following health condition refers to the type of blood cancer in which uncontrolled increase in number of WBCs occurs?

In the following case mention the correct ratio of pollen mother cells, generative cells, vegetative cells, and male gametes produced by the microsporangium.

A total of 168 pollen grains with 14 chromosomes in each pollen grain are released from a mature microsporangium.

Two sources of light 0.5 mm apart are placed at a distance of 2.4 m and wavelength of light is 5000 Å. The phase difference between the two light waves interfering on the screen at a point at a distance 3 mm from central bright band is ____________.

For which of the following reaction, ΔH = ΔU?

Which among the following sugars does not reduce Tollen's reagent?

In a purely capacitive circuit, the e.m.f. ____________.

Which of the following statements is INCORRECT?

Match the Column I (RNA polymerases) with Column II (Transcribed products) and select the correct option.

	Column I		Column II
i.	RNA polymeraseI	a.	t-RNA
ii.	RNA polymerase II	b	rRNA
iii.	RNA polymerase III	c.	hnRNA

Select the correct option from the following:

A compound that has a high negative heat of formation is normally ____________.