Question 1

An optical instrument used to see very small objects that are not seen by the naked eye like plant and animal cells.

Accepted Answer

microscope

Answer

magnifying lens

Answer

mirror

Answer

telescope

Question 2

It is the basic unit of all known living things .

Accepted Answer

cell

Answer

atom

Answer

molecule

Answer

tissue

Question 3

Which of the following relationships exhibits mutualism?

Accepted Answer

aphids - ants

Answer

rats - cats

Answer

rice bird - hawk

Answer

worm - human

Question 4

Which of the following represents the biotic component of the environment?

Accepted Answer

swimming fish

Answer

flowing water

Answer

steady rock

Answer

moving warm air

Question 5

In a sexual reproduction, what is the source of the genetic material in a zygote?

Accepted Answer

both egg and sperm cells

Answer

sperm cell only

Answer

pollen only

Answer

an egg cell only

Question 6

A relationship where one of the participating organism is benefited while the other is unaffected.

Accepted Answer

commensalism

Answer

predation

Answer

mutualism

Answer

parasitism

Question 7

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

Accepted Answer

producers

Answer

consumers

Answer

predators

Answer

decomposers

Question 8

Which is the CORRECT sequence of the levels of organization in an organism?

Accepted Answer

cell – tissue – organ – organ system - organism

Answer

cell – organ system – organ – tissue –  organism

Answer

cell – tissue -  organism – organ -  organ system

Answer

cell – organ – organ system – tissue -  organism

Question 9

Which of the following statement is TRUE?

Accepted Answer

Groups of cells working together are called tissues.

Answer

Groups of organs working together are called cells.

Answer

Groups of tissuess working together are called organ systems

Answer

Groups of organs working together are called organisms.

Question 10

Plants also have organ systems. Which plant organ DOES NOT belong to the shoot system?

Accepted Answer

root

Answer

leaf

Answer

flower

Answer

stem

Question 11

Each part of the organ system plays a specific function. Which of the following structures DOES 
           NOT match its function?

Accepted Answer

ears - respiration

Answer

eyes - sight

Answer

heart - circulation

Answer

kidney - excretion

Question 12

How do plants benefit from the root system?

Accepted Answer

They obtain water and nutrients from the soil.

Answer

They manufacture food.

Answer

They produce flowers.

Answer

They provide strength and support.

Question 13

The consumers that feed only on plants.

Accepted Answer

herbivores

Answer

carnivores

Answer

omnivores

Answer

scavengers

Question 14

If the chloroplasts of a plant cell are damaged, which will it be UNABLE to do?

Accepted Answer

make food for the cell

Answer

protect the cell

Answer

give instruction to cell

Answer

excrete waste materials

Question 15

You are asked to identify an unknown slide. Which of the following could help you identify that it is 
        an animal cell?

Accepted Answer

absence of chloroplast

Answer

absence of centriole

Answer

presence of cell wall

Answer

rectangular in shape

Question 16

It is a sample of any material for study or examination under the microscope.

Accepted Answer

specimen

Answer

mirror

Answer

image

Answer

object

Question 17

Unicellular or multicellular plant-like protists that can make their own food.

Accepted Answer

algae

Answer

slime mold

Answer

lichen

Answer

tree

Question 18

It refers to communities interacting with each other and to the physical environment.

Accepted Answer

ecosystem

Answer

environment

Answer

food web

Answer

food chain

Question 19

A type of fungus that cannot make its own food, but can be used as food.

Accepted Answer

mushroom

Answer

mold

Answer

seaweed

Answer

yeast

Question 20

Big group of organisms having characteristics of both plants and animals.

Accepted Answer

Protist

Answer

Fungi

Answer

Eubacteria

Answer

Archaebacteria

Question 21

Why are bacteria and fungi important in the environment?

Accepted Answer

They act as decomposers

Answer

They can beautify the surroundings

Answer

They are source of energy

Answer

They can cause disease to human

Question 22

An egg cell unites with a sperm cell to form a zygote. Which process is taking place?

Accepted Answer

fertilization

Answer

vegetative propagation

Answer

pollination

Answer

fragmentation

Question 23

Which of the following reproduces by regeneration?

Accepted Answer

starfish

Answer

sponge

Answer

squid

Answer

crab

Question 24

Which of the following structures are NOT involved in asexual reproduction?

Accepted Answer

gametes

Answer

tubers

Answer

leaf

Answer

stem

Question 25

The cell divides to form two identical daughter cells.

Accepted Answer

Fission

Answer

Fusion

Answer

Conjugation

Answer

Budding

Question 26

A plant needs water , radiant energy, minerals, oxygen, and carbon dioxide to live. How are these               
        Requirements needed by plants categorized?

Accepted Answer

abiotic components

Answer

climate

Answer

biotic components

Answer

mineral

Question 27

Frog feeds on insects. Which type of consumer is the frog?

Accepted Answer

second order consumer

Answer

producer

Answer

first order consumer

Answer

third order consumer

Question 28

Which of the following describes parasitism?

Accepted Answer

an insect larva staying on the leaves of a plant

Answer

bird at the back of a carabao

Answer

fern plant growing on a trunk of a tree

Answer

a mouse eaten by a snake

Question 29

In a given environment, which of the following refers to population?

Accepted Answer

group of organisms of the same kind living in the same place and at the same time
group of organisms of the same kind living in the same place and at the same time

Answer

several numbers of organisms living in the same place

Answer

any organisms that live together and eat in one place

Answer

different organisms live together in the same place and in the same time

Question 30

A collection of living and non-living components affecting each other

Accepted Answer

environment

Answer

group

Answer

specie

Answer

ecosystem

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