. Chlorophyll is: a. The substance that makes plants green. b. Found inside the chloroplast cells. c. Used to absorb energy from the sun. d. all of the above

in litmus , alkali solution turns to _________ color.

Which of the following pairs is mismatched? a. Carpel - Produces pollen grains b. Stigma - Receives pollen grains c. Anther - Produces microspores d. Ovary - Develops into fruit

Sex cells are generally called _______. a. zygote b. diploid c. haploid d. gametes

A negative acceleration means that your object is a. at rest b. constant speed c. speeding up d. slowing down

What element does every combustion (fire) reaction have to have? a. carbon b. hydrogen c. nitrogen d. oxygen

Where in the plant cell does photosynthesis happen? a. vacuole b. vascular bundles c. chloroplast d. chlorophyll

What is the number before a chemical formula called? a. coefficient b. subscript c. superscript d. co-numbers

The reaction XY ⟶ X + Y is an example of _____. a. synthesis b. combustion c. decomposition d. replacement

In starch test, the iodine in the leaves turns _________ which indicates the presence of starch. a. green b. blue black c. red

The law of conservation of mass states that a. matter can be made b. matter can be destroyed c. matter can be destroyed and can be made d. matter can neither be made or destroyed

The transfer of pollen grain from the anther to the stigma is called ____________. a. fertilization b. pollination c. germination d. mutation