Which method exhibits faster growth compared to callus culture?

The orbit of a geo-stationary satellite is circular. The time period of the satellite depends on:
$(i)$ mass of the satellite
(ii) mass of the earth
(iii) radius of the orbit
(iv) height of the satellite from the surface of the earth
Which of the following is correct?

The integrating factor of the differential equation $(x \log x) \frac{dy}{dx} + y = 2 \log x$ is

$A$ micelle formed during the cleansing action by soap is

If there is an error of $\pm 0.04 \text{ cm}$ in the measurement of the diameter of a sphere, then the approximate percentage error in its volume, when the radius is $10 \text{ cm}$, is

An animal phylum having radially symmetrical adults but bilateral symmetrical larvae is