Worksheets10-Half yearly revision
Total questions: 35
Worksheet time: 18mins
What is the main function of the excretory
system?
to remove waste from the body
to regulate and control other body systems
to obtain oxygen and transport it to all tissues
to break down nutrients into smaller
molecules
Which of the following best explains an
interaction between the digestive system and the
respiratory system?
To use the energy in food broken down by
the digestive system, the body needs oxygen
obtained by the respiratory system.
The main function of the respiratory system
is to control, coordinate, and regulate most of
the functions of the digestive system.
Coordination between the respiratory and
digestive systems is necessary because the
digestive system obtains oxygen needed by
the respiratory system.
The digestive system obtains nutrients from
the food that is eaten, and the respiratory
system transports the nutrients to the brain
where they are needed.
The tubes made of smooth muscle fibers that propel urine from the kidneys to the urinary bladder are called
ureters
urethra
urinary bladder
kidneys
Muscular sac that stores urine
urinary bladder
urethra
kidney
ureters
What are the filtering units of the kidneys?
nephrons
ureters
nuerons
alveloi
The windpipe, a passage through which air moves in the respiratory system is also called the ___________.
trachea
lungs
larynx
bronchi
What can you infer about the function of the ribcage?
It protects the lungs.
It helps the heart pump blood.
It delivers oxygen from the lungs to the bloodstream.
It connects the trachea to the lungs.
Where does the transfer of oxygen into the bloodstream take place?
In the heart
In the trachea
In the alveoli
In the nasal passages
The flap of tissue that covers the opening to the trachea during swallowing to prevent food from entering the trachea is called the __________.
Pharynx
Trachea
Epiglottis
Uvula
WHERE DIGESTIVE SYSTEM BEGINS
MOUTH
FEET
STOMACH
ESOPHAGUS
Which reproductive cell does the female system produce?
sperm
leukocyte
neuron
ova
What is the pouch/sac that holds the testicles called?
epididymis
scrotum
prostate gland
seminal vesicles
It is a chemical transmitter for messages, information, and instructions from one cell to another.
Estrogen
Testosterone
Progesterone
Hormone
Every month, females shed off or rupture the walls of the uterus when pregnancy fails to happen. This produces the dead tissues and some blood that are released once a month.
Menstruation
Gestation
Conception
Ejaculation
tt
Purple and white flowers are obtained in the ratio shown above on crossing purple and white flowered plants,which generation does the picture depict?
F1
F3
F2
What are the role of phytoplankton in an aquatic ecosystem?
producers
primary consumers
secondary consumers
tertiary consumers
The primary consumers are:
the plants.
carnivorous animals.
herbivorous animals.
A nerve cell is also known as a
answer choices
cerebrum
neuron
cerebellum
nucleus
Which of the following is an endocrine gland?
Brain
Sweat glands
Thyroid gland
Lymph nodes
Which gland secretes the growth hormone?
Pituitary gland
Thyroid
Adrenal gland
Hypothalamus
Which plant hormone makes the shoot bend towards light?
Abscisic acid
Cytokinin
Gibberellin
Auxin
Posture and balance of the body is controlled by
Cerebrum
Cerebellum
Medulla
Pons
