Science and Technology

Question 1

Coined the term “Survival of the Fittest”.

Answer 1

Herbert Spencer

Question 2

What rocks formed from molten magma, most likely found in Mayon Volcano?

Answer 2

Igneous

Question 3

What point of Earth’s orbit when Earth is nearest to the sun?

Answer 3

Answer: Perihelion
Aphelion - ap “far”
Peri - “near”

Question 4

What part of the atmosphere filters the ultraviolet rays of the sun?

Answer 4

Ozone layer

Question 5

Solid to gas phase without passing thru liquid state is

Answer 5

Sublimation

Question 6

Litmus paper turning red

Answer 6

Answer: Acid

BB - Base Blue (above 7)
AR - Acid Red (below 7)
Neutral pH scale - 7

Question 7

What Era when dinosaurs exist
Cambrian
Paleozoic
Mesozoic
Cenozoic

Answer 7

Mesozoic

Question 8

Protein shell of virus is called

Answer 8

Capsid

Question 9

What type of asexual reproduction of star fish?

Fragmentation and regeneration
Budding
Fission
Fertilization

Answer 9

Fragmentation and regeneration

Question 10

The ff are three fundamental parts of all cells EXCEPT

Cytoplasm
Organelles
Cell membrane
Nucleus

Answer 10

Nucleus
- a prokaryotic cell doesn’t have nucleus

Question 11

Sister chromatids are attached to each other at an area called _____.
Centriole
Centrosome
Centromere
Cell

Answer 11

Centromere

Question 12

Sister chromatids are attached to each other at an area called _____.

Answer 12

Centromere

Question 13

How can we differentiate arthropods from annelids
A. Arthropods have jointed legs, annelids have none
B. Arthropods have exoskeleton, annelids have endoskeleton
C. Arthropods have hands, annelids have none
D. Arthropods have segmented body, annelids have non-segmented body

Answer 13

A.
Arthropods - animals with jointed legs
Annelids - segmented worms
Nematodes - round worms
Platyhelminthes - flatworms

Question 14

Major component of plasma membrane EXCEPT
DNA
Protein
Glycoprotein
Phospholipid

Answer 14

Answer: DNA - located in the Nucleus

Question 15

What phase of division cycle when the chromosome are align at the center of the cell?

Answer 15

Metaphase

Question 16

Division of nucleus

Answer 16

Karyokinesis

Question 17

Division of cytoplasm

Answer 17

Cytokinesis

Question 18

Formula for sugar

Answer 18

C6H12O6

Question 19

An observable traits expressed by organism is called
Genotype
Alleles
Genes
Phenotype

Answer 19

Phenotype

Question 20

Passing of traits thru the offspring

Answer 20

Heredity

Question 21

Alternative form of gene

Answer 21

Allele

Question 22

Position of the genes in the chromosome

Answer 22

Lucus

Question 23

Trait being expressed

Answer 23

Dominant

Question 24

Trait being masked

Answer 24

Recessive

Question 25

Identical alleles

Answer 25

Homozygous

Question 26

Genetic material of an organism

Answer 26

Genotype

Question 27

Observable appearance of an organism

Answer 27

Phenotype

Question 28

The ff. structures involved for movement of organisms EXCEPT
Flagella
Cilia
Cell membrane
Pseudopodia

Answer 28

Answer: Cell membrane
Flagella - movements of sperm cells, euglena
Cilia - paramecium
Pseudopodia (false feet) - amoeba

Question 29

Building blocks (monomer) of protein

Answer 29

Amino acids

Question 30

Building blocks of lipds

Answer 30

Fatty acids and glycerol

Question 31

Building blocks of charbohydrates

Answer 31

Sacharides / monosaccharides/ glucose

Question 32

Which of the ff. is unicellular
Prokaryotes
Eukaryotes
Plants
Animals

Answer 32

Prokaryotes

Question 33

What segmented worm facilitates anticoagulation?
Earthworms
Leeches
Maggots
Worms

Answer 33

Leeches

Question 34

Which of the ff. is a heterotroph
Algae
Fern
Moss
Grasshopper

Answer 34

Grasshopper