3. 1.There some muscles which are
both voluntary and involuntary.
Which of the following belong
to that kind?
A. intestines
B. heart and lungs
C. arms and legs
D. eyelids
5. 2. Dogs give birth to puppies; cats
give birth to kittens. This process by
which animals produce other
animals of their kind is called
___________.
A. reproduction
B. germination
C. metamorphosis
D. pollination
7. 3. There are some organisms
having both organs appearing in
different parts of the body. Which of
the following exhibits
hermaphrodism?
A. snake
B. earthworm
C.chicken
D.fly
21. 10. What do you call the spines and
thorns of some plants which they
use to protect themselves from
danger?
A. enemies of plants
B. plant disease
C. adaptive structure
D. camouflage
24. 1. The contraction and relaxation of
muscles cause bone movement. A pair of
muscles works against each other. While
one contracts the other relaxes. What
happens to the muscles when it
contracts?
A. It becomes long and thick.
B. It becomes short and thin.
C. It becomes long and thin.
D. It becomes short and thick.
26. A. 23 degrees C. 23 ¾ degrees
B. 23 ½ degree D. 24 degrees
2. Below shows that Earth tilting of the
Earth on its axis. How many degrees
does Earth tilts?
28. 3. It is a mechanical method of soil erosion
control. This is good on houses or roads by
the mountain side or hillsides. It also
prevent landslides. This process is
called_________.
A. Strip cropping
B. Terracing
C. Riprapping
D. Crop Rotation
32. 5. Which of these situations shows storm signal
no. 2?
A. Classes in pre-school levels in all public and
private schools in affected communities are
automatically suspended
B. Classes in preschool, elementary and high
school levels in all public and private schools in
the affected areas are automatically suspended
C. Classes in all levels are automatically
suspended in affected communities
D. Postponement of classes and work in
government offices
42. 10. Man interferes with the balance
of nature when he _______.
A. pollutes air and water
B. disposes his garbage properly
C. practices selective logging
D. helps control overpopulation by
practicing family planning
45. 1. Skeletal muscles are attached to
the bones by rubber-like cords
called tendons. Tendons are
stretched as the muscles and
bones move. What are the
tough fibers of proteins in
tendons called?
Write down your answer.
