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Question No. 38

Question No. 3

It is also a high landform with smooth or round top.

It refers to the particular state of a piece of matter.

Question No. 12

It is the interactions among biotic components of an ecosystem.

C.) mass

A.) amorphous

C.) mountain range

A.) hill

A.) ecological balance

C.) complex system

B.) trophic level

D.) ecological interactions

B.) volume

D.) phase

D.) valley

B.) volcano

Question No. 25

It is a type of cell division which ensures that the offspring will have the same

number of chromosomes as its parents.

Question No. 27

A.) mitosis

C.) meiosis

B.) duplicating

D.) maturation

It is when solute is given in a greater amount in the given system.

Question No. 11

It is intricate pattern of relationships where several food chains are interlinked.

A.) ecological interactions

C.) food chain

B.) food web

D.) food level

A.) concentrated

C.) acid

B.) dilute

B.) base

Question No. 39

Question No. 40

The pulling force of a magnet is strongest on the ______.

It is a metal that can pull or attract some things.

C.) inner

A.) middle

D.) outside

B.) pole

C.) magnet

A.) plastic

Question No. 2

D.) stone

B.) gold

Question No. 30

It is the changing of an object into another substance after interacting with oxygen.

When blue litmus paper turns red from the given solution it is a _____.

A.) dilute

C.) nonpolar

D.) base

B.) acid

C.) carbonation

A.) oxidation

Question No. 31

When red litmus paper turns blue from the given solution it is a ________.

Question No. 14

D.) suspension

B.) density

A.) Base

C.) Molarity

D.) Polar

B.) Acid

In a relationship shown by an orchid and a tree, what do we call the orchid?

Question No. 10

C.) prey

A.) parasite

Question No. 29

Question No. 22

B.) host

D.) commensal

It is the kind of compound that do not contain carbon and are usually found outside the

bodies of living organisms.

It is often consider a universal solvent.

It is the process of transfer of pollen from an anther to the stigma.

A.) inorganic compound

C.) metal

A.) sodium chloride

C.) NaCl

A.) fertilization

C.) sporogenesis

B.) H2O

B.) Hydrogen

D.) non-metal

B.) organic compound

D.) regeneration

B.) pollination

Question No. 37

It is the biggest body of water on Earth.

Question No. 32

C.) waterfall

A.) River

D.) ocean

B.) sea

It is a measure of the concentration of hydronium ions in a solution.

C.) Ph

A.) pH

Question No. 19

B.) indicator

D.) H2O

It is protectively envelope the cytoplasm.

C.) cell membrane

A.) organelles

D.) cytoplasm

B.) nucleus

Question No. 21

It is the process of producing sex cells or gametes.

Question No. 26

C.) spermatogenesis

A.) sporogenesis

B.) oogenesis

D.) gametogenesis

It is a kind of solution when solute is dissolved in a given solution in a small amount.

Question No. 6

C.) concentrated

A.) dilute

Here we found the complete list of elements.

D.) nonpolar

B.) polar

Question No. 34

A.) period time

C.) specific table

B.) periodic table

D.) Compound elements

It is a substance that keeps the pH of a weakly acidic or basic solution practically constant in spite of the addition of an acid or a base.

Question No. 4

Question No. 36

C.) litmus paper

A.) gas

We measure it to specify exactly how much space an object occupies.

D.) buffer

B.) indicator

C.) temperature

A.) volume

It is a row or chain of mountain.

Question No. 1

Question No. 5

D.) length

B.) mass

It is the characteristics of metal that can be pounded and shaped into very thin sheets without breaking.

C.) malleability

A.) ductility

D.) brittle

B.) dull

Question No. 20

These are long threadlike structures which are made up of molecules of protein and DNA.

A.)mitochondrion

C.)cilia

It is the upward push exerted by a liquid, like water, on an object.

B.)vacuoles

D.)chromosomes

A.) Hill

C.) Mountain Range

D.) Valley

B.) Volcano

C.) buoyant force

Question No. 33

A.) density

Question No. 7

It is an organic compound that changes color when acids or bases are present.

It is a substance consisting of the atoms of two or more elements that are chemically

combined in a fixed proportion.

D.) mass

B.) volume

Question No. 28

C.) indicator

A.) molarity

D.) dilute

B.) concentration

A.) pure substance

C.) mixture

It refers to the number of moles solute present in one liter of the solution.

D.) elements

B.) compound

C.) concentration

A.) parts per billion

B.) molarity

B.) percent

Question No. 15

It is a kind of interaction wherein one organism is benefited while other is harmed.

C.) predation

A.) mutualism

D.) commensalism

B.) parasitism

Question No. 9

They exhibit the properties of both metals and nonmetals.

Question No. 8

A.) suspension

C.) malleable

It is the characteristics of metal that can be stretched into wires or thread.

B.) colloid

D.) metalloids

C.) malleability

A.) ductility

D.) brittle

B.) dull

Question No. 23

Question No. 16

They are the organisms of ecosystem that have the ability to manufacture their own food.

It is an instrument used to magnify the image of objects that are too small to be seen by unaided eyes.

Question No. 18

It is part of cell where genetic material is found.

A.) comsumer

C.) decomposer

A.) telescope

C.) seismograph

D.) topography

B.) producer

D.) anemometer

B.) microscope

C.) organelles

A.) nucleus

D.) vacuoles

B.) cytoplasm

Question No. 24

Question No. 13

It is vital function of all living things.

The participating organisms compete for the same needs in their environment.

A.) Reproduction

C.) Developing

C.) predation

A.) competition

D.) Progressing

B.) Maturation

D.) commensalism

B.) mutualism

Question No. 17

It is part of cell where the main life activities occurs.

C.) nucleus

A.) cytoplasm

B.) vacuoles

D.) cell membrane

Question No. 35

It is a reaction between an acid and a base forming salt and water.

Grade 7 & 8

C.) basic

A.) acidic

B.) neutralization

D.) molarity

Saint Anne Power Academy Marilao Inc.

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