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Direction:
Select the letter of the best answer.
1.
What is called the basic unit of life?
a.
Atom
b.
Nitrogen
c.
Cell
d.
Blood
Answer:
c. Cell
2.Which
of the following is not an example of multicellular?
a.
bacteria
b.
mushrooms
c.
plants
d.
animals
Answer:
a. bacteria
3.
________ is made up of different kinds of cells performing different functions
including absorption of nutrients, movement and respiration.
a.
Bacteria
b.
Unicellular
c.
Complex organism
d.
Cell membrane
Answer:
c. Complex organism
4.
What is the primary purpose of cell membrane?
a. It gives the shape of the
cell and permits the passage of waste products.
b. It provides passages for
blood and oxygen.
c. It helps in the
reproduction of cells.
d. It prevents the
reproduction of bacteria and viruses.
Answer:
a. It gives the shape of the cell and permits the passage of waste products.
5.
Which controls the center of the cell and contains chromosomes responsible for
the transfer of genetic characteristics?
a.
Nucleus
b. Plasma membrane
c. Chloroplast
d. Cytoplasm
Answer:
a. Nucleus
6.
Which of the following is not an organelle of protoplasm?
a. Mitochondria
b. Golgi Apparatus
c. Peroxisome
d. Ribosome
Answer:
c. Peroxisome
7.
Where do plastids usually found?
a. Plants
b.Animals
c. Bacteria
d. Atom
Answer:
a. Plants
8.
What does nucleoid
region which is found in unicellular cells do?
a. It transmits the genetic
characteristics of the organism.
b. It carries genes responsible for
novel abilities, of current critical importance being antibiotic resistance.
c. It decomposes dead and
decaying matter for nutrients.
d. It produces oxygen.
Answer:a.
It transmits the genetic characteristics of the organism.
9.
Unicellular cell is enclosed by a ______ instead of the
cell wall giving structural strength to the cell and counteracts osmotic
pressure of the cytoplasm?
a. leucoplast
b. peptydoglican
c. gullet
d. flagellum
Answer:
b. peptydoglican
10.
Which of the following does not provide the main
functions of a cell?
a.It provides assistance in
the creation of a new species of organism.
b. It manufactures proteins
and other materials needed for their growth and survival.
c. It manufactures
energy—producing oxygen and glucose for energy production.
d.It reproduce, either by
mitosis or meiosis.
Answer:
a. It provides assistance in the creation of a new species of organism.
11.
It is a basic part of a plant that serves as a manufacturing site of the plant.
a. Flower
b. Root
c. Stem
d. Leaf
Answer:
d. Leaf
12.
Aside from anchoring different parts of the plant and
absorbing nutrients and water from the soil, what does root perform for plants
such as sweet potato?
a. Produce food
b. Manufacture energy
c. Serve as storage
d. Reproduce
Answer:
c. Serve as storage
13.
________ is a group of organisms that share a genetic heritage, are able to
interbreed, and to create offspring that are also fertile.
a. Species
b. Animal Kingdom
c. Mammal
d. Plants
Answer:
a. Species
14.
It refers to the union of male and female gametes.
a. Sexual reproduction
b. Evolution
c. Cell division
d. Transduction
Answer:
a. Sexual reproduction
15.
_______ refers to the number of chromosomes in egg or sperm cells.
a. Meiosis
b. Cell
c. Haploid
d. Diploid
Answer:
c. Haploid
16.
If two organisms reproduce sexually, then their
offspring will exhibit a genetic makeup that sis _______.
a. identical to only one
parent.
b. identical to all of its
siblings.
c. a unique combination of
traits.
d. the recessive traits from
each parent.
Answer:
d. the recessive traits from each parent.
17.
In human reproduction, how many pairs of chromosomes does human cell contains?
a. 22
b. 23
c. 45
d. 46
Answer:
b. 23
18. The
offspring of an organism produced through asexual reproduction is always
_______.
a. genetically identical to its parent.
b. created by vegetative propagation.
c. made of cells with a cell wall.
d. different from its siblings.
Answer:
a. genetically identical to its parent.
19.
The characteristic/ gene that causes maleness is
located on the _______.
a. An autosome
b. Y chromosome
c. X chromosome
d. Ribosomes
Answer:
b. Y chromosome
20.
It is known as the process by which organisms change over time as a result of
changes in heritable physical or behavioral traits.
a. Lamarckism
b. Theory of Evolution
c. Mutationism
d. Genetic drift
Answer:
b. Theory of Evolution
21.
_______ refers to the area where an organism lives.
a. ecosystem
b. habitat
c. niche
d. biological community
Answer:
b. habitat
22.
Which of the following is not an element of a balanced ecosystem?
a. relatively constant source of energy
b. continuous occurrence of natural or
human-caused disturbances
c. solar energy is converted to
chemical energy or glucose needed by the organism
d. organic matter and nutrients are
successfully recycled
Answer:
b. continuous occurrence of natural or human-caused disturbances
23.
Energy is transmitted in an ecosystem by means of the _______.
a. food chain
b. food web
c. life cycle
d. reproduction
Answer:
a. food chain
24.
Which of the following is an example of heterotrophs?
a. Protozoa
b. Cyanobacteria
c. Green Algae
d. Ball moss
Answer:
a. Protozoa
25.
This refers to all parts of the planet that are
inhabited by living things.
a. Biosphere
b. Biome
c. Population
d. Niche
Answer:
a. Biosphere
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i dont know how to download it properly.
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