Photosynthesis Question Preview (ID: 59264)


Grades 6-8 Life Science. TEACHERS: click here for quick copy question ID numbers.

What would happen to a plant if it could not photosynthesize?
a) it would die of starvation
b) it would wilt / droop
c) it would grow VERY slowly
d) it would not affect the plant

Photosynthesis ___ energy.
a) stores
b) releases
c) creates
d) destroys

Ultimately, the ORIGINAL source of nearly all energy in living things is ___ - because of photosynthesis.
a) the Sun
b) food
c) ocean currents
d) Earth's core

Photosynthesis mostly happens in ___ .
a) plants
b) animals
c) plants and animals
d) all living things

Which substance is leftover as waste after photosynthesis?
a) oxygen
b) carbon dioxide
c) water
d) glucose

Which of the following is the correct word equation for photosynthesis?
a) carbon dioxide + water + sunlight ---- glucose + oxygen
b) water + oxygen + sunlight ---- glucose + carbon dioxide
c) carbon dioxide + oxygen + sunlight ---- glucose + water
d) glucose + carbon dioxide + sunlight ---- water + oxygen

Which of the following is the correct chemical equation for photosynthesis?
a) CO₂ + H₂O + sunlight → C₆H₁₂O₆ + O₂
b) H₂O + O₂ + sunlight → C₆H₁₂O₆ + CO₂
c) CO₂ + O₂ + sunlight → C₆H₁₂O₆ + H₂O
d) CO₂ + C₆H₁₂O₆ + sunlight → H₂O + O₂

What two substances must plants absorb for photosynthesis to happen?
a) carbon dioxide and water
b) oxygen and water
c) glucose and oxygen
d) carbon dioxide and oxygen

What substance do plants make as food using photosynthesis?
a) glucose
b) sucrose
c) chlorophyll
d) oxygen

In which part of a plant cell does photosynthesis happen?
a) chloroplast
b) nucleus
c) mitochondria
d) vacuole

The ORIGINAL source of all energy for living things is ___ - because of photosynthesis.
a) the Sun
b) food
c) the ocean
d) Earth's core

___ is the process plants use to make their own food.
a) photosynthesis
b) transpiration
c) germination
d) pollination

Since plants can create their own food, they are often called ___.
a) producers
b) consumers
c) decomposers
d) synthesizers

___ are the plant organs used to make food.
a) leaves
b) roots
c) stems
d) flowers

___ are the plant organ used to transport water, food, minerals throughout the plant.
a) roots
b) stems
c) leaves
d) flowers

Glucose is a type of ___.
a) sugar
b) protein
c) fiber
d) fat / lipid

___ are the plant organ that absorbs water.
a) roots
b) stems
c) leaves
d) flowers

What green chemical do plants use to capture the energy in sunlight?
a) chlorophyll
b) chloroform
c) chloroplast
d) carotenoid

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