7th Grade Brain Dump Quiz

Robert Hooke looked at a piece of cork under a microscope. The little boxes he saw in the cork are called —

• cells
• genes
• nuclei
• chromosomes

The quality of pond water can be determined by identifying the number and types of organisms found living in the water. Which piece of equipment will best help students identify some of these organisms?

• microscope
• pH Paper
• binoculars
• pan balance

Chloroplasts are found only in organisms that are able to _______

• generate their own energy
• grow to a larger size
• migrate to other ecosystems
• hunt for prey

During human fertilization, an egg and a sperm cell unite. Which structures in these cells carry the genes that will be transferred to the offspring?

• vacuoles
• ribosomes
• chromosomes
• cell membranes

When comparing a plant cell to an animal cell, only the plant cell will contain______.

• ribosomes
• chromosomes
• chlorplasts
• mitochondria

Human sweat is the direct result of which life functions?

• Respiration and cellular growth
• Digestion and disease prevention
• Waste removal and temperature regulation
• Reproduction and cellular transpiration

Which gas do animals need to carry out life processes?

• oxygen
• carbon monoxide
• helium
• carbon dioxide

Which characteristic is used to classify frogs into a different phylum from squid, snails, and jellyfish? (

• frogs and predators
• frogs breath oxygen
• frogs have backbones
• frogs live on land

Which of these is the best description of a typical organism in the plant kingdom?

• is unicellular
• lacks a nucleus
• makes its own food
• lacks a cell wall

What is the role of the Orca in the food chain? (2009)

• producer
• first order consumer
• third order consumer
• decomposer