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

Cause of degreening is ______.

Logistic growth curve has many phases which are respectively:

The epithelial barrier of the innate immune system is ____________.

In a series LCR circuit at resonance, the applied e.m.f. of the source and current in the circuit are ______.

Identify the CORRECT statement/s from the following.

i. In post-fertilization changes within the ovule, the development of embryo is followed by the development of endosperm.

ii. Helobial endosperm is intermediate between cellular and nuclear type endosperm.

iii. Helobial endosperm is mostly observed in 72 families of dicots.

If A = `[(p/4, 0, 0), (0, q/5, 0), (0, 0, r/6)]` and `"A"^-1 = [(1/4, 0, 0), (0, 1/5, 0), (0, 0, 1/6)]`, then p + q + r = ______

Which of the following is the outermost protective layer of anther?

`int_0^pi x sin^2x dx` = ______

Match the parts given in Column I with their physiological processes given in Column II.

	Column I		Column II
i.	Proximal convoluted tubule	a.	Formation of concentrated urine
ii.	Distal convoluted tubule	b.	Filtration of blood
iii.	Henle's loop	c.	Reabsorption of 70-80% of electrolytes
iv.	Vasa recta	d.	Ionic balance
v.	Malpighian body	e.	Counter mechanism

A body is projected vertically from the surface of the earth of radius 'R' with velocity equal to half of the escape velocity. The maximum height reached by the body is ______.