MHT-CET PCB 04 — MHT - CET STD 12 Science — Question

Two circular loop A and B of radii Rand NR respectively are made from a uniform wire. Moment of inertia of B about its axis is 3 times that of A about its axis. The value of N is ______.

Which among the following compounds has highest boiling point?

Two toroids 1 and 2 have total number of turns 400 and 200 respectively with average radii 40 cm and 20 cm respectively. If they carry same current I, the ratio of the magnetic fields along the two loops is, ____________.

Which one of the following is an example of predation?

If the probability function of a random variable X is defined by P(X = k) = a`((k + 1)/2^k)` for k - 0, 1, 2, 3, 4, 5, then the probability that X takes a prime value is ______

The exine of a pollen grain is made up of ____________.

If E, M and P are the kinetic energy, mass and linear momentum of a particle respectively, which of the following relations represents the angular momentum L of the particle when the particle rotates in a circle of radius R?

Match the Column I (Type of pollination) and Column II (Characteristics). Select the correct option.

	Column I		Column II
a.	Ornithophily	1.	Nocturnal flower
b.	Entomoohily	2.	Light pollens
c.	Chiropterophily	3.	Funnel-shaped corolla
d.	Anemophily	4.	Pleasant fragrance and nectar

The highest concentration of auxin is found to be in ______.