State whether the statement is true or false. To sustain themselves, earthworms must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies.
The two ends of the earthworm can equally ingest soil.
a. True
b. False

State whether the following statements are True or False. If false give the correct statement. The particles in matter are extremely small and can be seen even with a powerful microscope

State whether the following statements are true or false? Also give reasons for your answers. a) Only one line can pass through a given point. b) All right angles are equal. c) Circles with same radii are equal. d) A line segment can be extended on its both sides endlessly to get a straight line. e) From the figure, AB gt AC .

"Gauss's law is true for any closed surface, no matter what its shape or size" say the following statements are true or false. a. Gauss's law implies that the total electric flux through a closed surface is zero if no charge is enclosed by the surface. b. This law is useful for the calculation of electrostatic field when the system doesn't possess any symmetry. c. In a uniform electric field, we know that the dipole experiences no net force, but experiences a torque having a relation with P and E is given by ............ where the parameters P and E have their usual meaning.

State whether true or false and justify . a Zener diodes are used under forward bias. b. In n-p-n transistor , current conduction is primarily due to electrons . c. Transistor amplifiers do not strictly obey law of conservation of energy since output power is greater than input power . d. In a transistor amplifier all the frequency will have exactly equal gain .