Ques:Echinoderms have a unique water vascular system with tube feet, and another group of echinoderms are the echinoids. Given these facts, what kind of feet do echinoids have among the following options: - tube - long - warm - webbed - arched - edible - muscle - flat

Ans:tube
-----
Ques:Aflashlight converts chemical energy into light energy, and then, in 1897, a man named David Misell invented the flashlight. Given these facts, what converts chemical energy into light energy among the following options: - A compound that donates proton - deadly and devastating - the simplest of green plants - electron transport - Something invented by David Misell - it helps plants in growing - the production of heat - hydrogen and oxygen

Ans:Something invented by David Misell
-----
Ques:DNA contains genetic instructions for proteins, and RNA helps assemble the proteins, and dNA is the genetic material responsible for heredity. Given these facts, the genetic material responsible for heredity contains what among the following options: - wavelengths and photons - instructions for proteins - characteristics - pre-assembled proteins - organelles - Chemical energy - A compound that donates proton - blood

Ans:instructions for proteins
-----
Ques:Fish have a circulatory system with a two-chambered heart, and each side of the heart is divided up into two chambers. Given these facts, ish have a circulatory system with what among the following options: - our nearest star - divided heart - solid, liquid, gas - Veins and arteries. - kinetic energy - flow of electrons - reducing acid rain - matter vibrating

Ans:
divided heart
-----