How do hormones work?
by releasing adrenaline
by controlling cell chemistry
by regulating water loss
by controlling blood pressure
Name the male and female sex hormones
sperm cell and ovum
testosterone
chromosomes
red and white blood cells
The unit of measurement of energy in a given amount of food.
pound
kilo
olfactory system
calorie
Nitrogen compounds known as the building blocks of proteins.
enzymes
glucose
nutrients
amino acids
The growth of roots towards water is an example of?
chemotropism
geotropism
hydrotropism
photoprism
DNA means?
data nurturing analysis
deoxytribonucleic acid
deoxyribonucleic acid
deotrixyl nucleic acid
What are the 3 products of oxygen when it has been burned?
water, carbon dioxide and air
energy, water and carbon
energy, carbon dioxide and water
energy, air and water
In flowering plants, fertilization takes place in the?
pollen tube
stamen
ovary
pollen grains
The development of eggs without fertilization.
mitosis
parthenogenesis
spermatogenesis
mitochondria
Which of the following is a source of energy needed for photosynthesis?
water
soil
light
fertilizer
They connect roots and leaves and serve as passageway and storage for food minerals and water from the soil.
branches
stem
trunk
tap roots
The process by which plants produce food using carbon dioxide and water, sunlight and chlorophyll.
reproduction
photosynthesis
fruit bearing
chemosynthesis
Process by w/c plants reproduce asexually by using their parts such as roots, stems and leaves
artificial propagation
vegetation reproduction
grafting
The smallest part of living thing which performs all the processes a living organism does
organ
cell
tissue
system
A group of tissues working together to perform a complex task.
network
skin
Male and female reproductive parts of a flower.
pollen grains and ovules
stamen and pistil
pollen grain and pistil
stamen and ovules
In the human body, the cell that most nearly resembles a one – celled animal.
red blood cell
white blood cell
nerve cell
antibodies
The main energy source of plant–eating animals.
starch
cellulose
glycogen
These are cellular secretions which help regulate the breakdown and buildup of various substances in the body.
plasma
hormones
It is the energy source of the cell which it uses for growing , reproducing and other activities.
adenosine triphosphate (ATP)
Chloroplast
sunlight
It is a segment of DNA molecules which controls the appearance of a given trait.
genes
gametes
zygotes
Group of similar cells performing similar functions together.
organs
nucleus
The diffusion of water through a semi – permeable membrane.
osmosis
permeability
transfusion
capillary
It shows the complex food relationships of organism in a given area and the cyclic flow of food through organisms.
food chain
food web
food pyramid
biological cycle
Which of the following does NOT occur to both respiration and fermentation?
energy is released
sugar is broken down
carbon dioxide is produced
alcohol
The genetic information in a DNA is coded in the _______________________?
sequence of ribonucleotides
proportion of the base results
base pairings
sequence of nucleotides
What will cause the process of respiration to stop?
absence of oxygen
absence of sunlight
decrease in water supply
presence of sunlight
What relationship exists between and a bangus and tilapia in the fishpond?
commensalisms
mutualism
competition
predation
Taxonomy is the study of the classification of organism based on their?
genetics
evolutionary history
development pattern
habitat
A specie is said to be ________ when its number is so few that it will most likely disappear altogether unless given proper protection.
disappearing
extinct
depleted
endangered
Some bacteria are classified as saprophytes because they organism which?
feed on dead organic matter
feed on other living things
undergo photosynthesis
have hydrolytic enzymes
In humans, food is moved down the esophagus into the stomach by means of?
cyclosis
peptic acids
peristalsis
active transport
The structure outside the nucleus in animal cells that is involved in mitosis.
ribosome
chromosome
centriole
microtubule
Coordination and integration of the body activities of man are under the direct control of the _______________?
reproduction and transport system
nervous and endocrine system
nervous and excretory system
respiratory and endocrine system
Genetic engineering has been utilized for the production of _______________?
salivary amylase
uric acid crystals
human growth hormones