The scientific name of an organism is derived from its:

Three lights flash at intervals of 2, 6 and 14 seconds respectively. They are started together. How soon after will they next flash together again?

Which of the following device interfaces integrates the device controller into the disk or CD drive?

The number of electrons shared in a single covalent bond is:

None of these solutions in water conducts electricity EXCEPT for:

The number 0.0417 in standard form is

If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:

Which of the following is NOT transported in phloem?

The number 32747 written to 4 significant figures is

An alternate form of a gene is called an:

Which statement is not true of sperm and ova?

A reaction that gives out heat is said to be:

Excretion is best defined as:

All of these are alkenes EXCEPT for:

Leaves are thin and flat:

Which of the following BEST characterizes a primary group?

If U = {1, 2, 3, . . . 10 } and S = { 2, 4, 6, 8, 10 }, then S ' =

When focussing on distant objects:

You look through a microscope to view the Brownian motion of smoke in a container of air. Which one of the following statements is NOT true?

A 10 V battery delivers a steady current of 2 A. How long will it be before 1.0 kJ of energy is supplied to the circuit?