Quiz about Science Review Texas

Question 1

What does this symbol indicate about a chemical?

Accepted Answer

It can cause injury to body tissue.

Answer

It catches fire easily.

Answer

It is hazardous to the environment.

Answer

It can be harmful to your lungs.

Question 2

Photosynthesis is the process that uses light energy to make food for organisms. Which of the following are end products made by this process? Select two correct answers.

Accepted Answer

glucose

Accepted Answer

oxygen

Answer

chloroplasts

Answer

carbon dioxide

Question 3

What happens to the solar energy absorbed by plants during photosynthesis?

Accepted Answer

It is transformed into chemical energy.

Answer

It is recycled by the plant and returned to the atmosphere.

Answer

It is converted into oxygen and glucose.

Answer

It is stored as heat within the plant for cellular functions.

Question 4

What process in the natural world converts radiant energy into chemical energy?

Accepted Answer

photosynthesis

Answer

respiration

Answer

phototropism

Answer

combustion

Question 5

In this diagram, where is light energy converted to chemical energy?

Accepted Answer

Grass

Answer

Sun

Answer

Grasshopper

Answer

Hawk

Question 6

Why is it necessary to have sunlight in this equation?

Accepted Answer

The process cannot occur without energy from the Sun.

Answer

Sunlight uses carbon dioxide and water to form sugar.

Answer

The arrow represents the specific direction of sunlight.

Answer

The arrow tells the equation to yield.

Question 7

The image depicts a plant and an animal cell. Which organelles will only be found in plant cells? Select TWO correct answers.

Accepted Answer

Cell Wall

Accepted Answer

Chloroplast

Answer

Nucleus

Answer

Cytoplasm

Question 8

The source of energy for this food chain is -

Accepted Answer

sunlight

Answer

soil

Answer

water

Answer

seeds

Question 9

Compared with the genetic material of the original cell in this diagram, after mitosis each of the two new cells contains :

Accepted Answer

genetic material that is identical to the parent cell

Answer

half the genetic material of the parent cell

Answer

twice as much genetic material as the parent cell

Answer

new genetic material that is different from that of the parent cell

Question 10

Which of these is an example of an unsafe practice in a lab?

Accepted Answer

testing a substance by tasting it

Answer

watering a plant without wearing gloves

Answer

detecting an odor by moving air toward you with your hand

Answer

pulling your hair back when working with flames

Question 11

Which of these would always require the use of goggles?

Accepted Answer

II, III

Answer

I and III

Answer

I, II, III, IV

Answer

II only

Question 12

No matter how a seed is planted, when it begins to sprout the roots will grow down toward the center of the earth and the stem will grow in the opposite direction. This is a function of:

Accepted Answer

Gravitropism

Answer

Hydrotropism

Answer

Phototropism

Answer

Thigmotropism

Question 13

The stem and leaves of the plant in the diagram are exhibiting which behavior?

Accepted Answer

Phototropism

Answer

Gravitropism

Answer

Geotropism

Answer

Autotropism

Question 14

Complex interactions must occur before solar energy is converted into a form of energy humans need to work and perform many life processes. Choose the sequence that best shows this path of energy.

Accepted Answer

radiant energy

chemical energy

mechanical energy

Answer

light energy

mechanical energy

chemical energy

Answer

mechanical energy chemical energy radiant energy

Answer

mechanical energy

radiant energy chemical energy

Question 15

Which wavelength of light energy from the sun is LEAST likely to help plants grow?

Accepted Answer

Green, because it is reflected by the leaf

Answer

Green, because it is absorbed by the leaf

Answer

Red, because it is absorbed by the leaf

Answer

Red, because it is reflected by the leaf

Question 16

Which of these can be found in a plant cell but not in an animal cell?

Accepted Answer

chloroplast

Answer

chromosome

Answer

nucleus

Answer

cell membrane

Question 17

In addition to other materials, both the respiratory system and the circulatory system move oxygen. Which of the following BEST explains why there are two human body systems to move oxygen?

Accepted Answer

One moves oxygen into the body, and the other moves oxygen through the body.

Answer

One moves oxygen into the body, and the other moves oxygen out of the body.

Answer

One moves oxygen while awake, and the other moves oxygen when asleep.

Answer

One moves oxygen to the upper body, and the other moves oxygen to the lower body.

Question 18

Common Bermuda grass is found in most parts of Texas. Like most native grasses it is pollinated by the wind. It produces large numbers of very tiny seeds that are carried by the wind. It is a nuisance plant in many yards, spreading along the ground with tough runners and underground stems. It can quickly take over a garden or flower bed. Which of the following is most important for the spread of Bermuda grass throughout Texas?

Accepted Answer

The grass produces a large number of very tiny seeds.

Answer

The grass runners can be used by some birds in their nests.

Answer

The grass is pollinated by the wind.

Answer

The grass grows from runners.

Question 19

The diagram illustrates cells found in the stomach undergoing mitosis. Which statement about the cells is correct?

Accepted Answer

Cell A contains exactly the same genetic information as Cell B.

Answer

The stomach acid destroyed the genetic information in the parent cell, but left the offspring cells undamaged.

Answer

Cells in the stomach lining reproduce slowly due to the damaging effects of stomach acid.

Answer

Cell A has different genetic information than Cell B.

Question 20

Many plants use brightly colored flowers to attract insect pollinators. Which is the MOST likely conclusion about a plant that has very small flowers that are hard to see?

Accepted Answer

It does not require a pollinator to reproduce.

Answer

It does not produce seeds.

Answer

It grows only in gardens.

Answer

It does not want to reproduce.

Question 21

The physical and chemical changes that occur to the surface of plantery bodies

Accepted Answer

Space Weathering

Answer

Vaporization

Answer

Cosmic Rays

Answer

Solar Wind

Question 22

What is the primary function of the chloroplast in plant cells?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Protein synthesis

Answer

Cell division

Question 23

Which of the following best describes the process of osmosis?

Accepted Answer

Movement of water from high to low concentration

Answer

Movement of solutes from low to high concentration

Answer

Movement of water from low to high concentration

Answer

Movement of solutes from high to low concentration

Question 24

In a controlled experiment, which variable is manipulated by the researcher?

Accepted Answer

Independent variable

Answer

Dependent variable

Answer

Controlled variable

Answer

Extraneous variable

Question 25

Which of the following is a renewable source of energy?

Accepted Answer

Solar power

Answer

Coal

Answer

Natural gas

Answer

Nuclear power

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