connects the two halves of the cerebellum and links the cerebral cortex to the medulla.

18. A farmer would like to remove weeds in his vegetable garden without spending so much money. He placed old galvanized iron over the plots with many weeds. What do you expect to happen to the plants under the galvanized iron after two weeks?

Second largest part of the brain

The following are practices that destroy forests. Which one is NOT?

Sight

Which abiotic factor will enable trees to produce food?

From the stomach, partially digested food goes to the

A denuded mangrove forest can be restored by

contains relay stations of neurons and reflex centers for involuntary actions.

Tympanic membrane

Which layer of the skin is responsible for producing new skin cells

In which part of a fern plant are the clusters of spores found

Touch

Smell

The Philippine eagle is an endangered species. This may be due to?

The new cell produced by fertilization is called

2 types of photoreceptors

maintains internal balance such as water and blood pressure.

The transparent, dome-shaped surface that covers the front of the eye. It helps focus light as it enters the eye and provides most of the eye’s optical power.

The light-sensitive layer at the back of the eye that contains photoreceptor cells (rods and cones).

Which part of the flower contains most of the pollen

Invasion by grasses in a laws is possible due to

separates the chambers so that there will be no backflow of the blood

Responsible for colour vision in bright light.

The white, outer coating of the eyeball. It provides structural support and protection for the inner components of the eye.

Functions like heartbeat, breathing, and sneezing are regulated by?

After running or a basketball game an athlete feels tired. This could be to

Water meets the land

sensory cells in the eyes are called

Controls muscle coordination balance and body posture

Which of the following are the producers of the intertidal zones and coral reefs?

3 parts of brainstem

Umami

Largest part of the brain

encompasses the sensations of pressure, temperature, and pain

Connected to spine

Estuaries are characterized best by?

The heart is located at the center of the chest cavity below the bone called

A beneficial interaction in which one organism benefits while the other is neither benefited nor harmed is called?

detect light and interpret visual information

A parents' chance of having a girl is

Ear drum transfers vibration to

All living things need the following EXCEPT?

Small bumps on the top of the tongue

Which statement best describes one of the functions of placenta of mammals?

Why are spores produced in leaves or top of the stalk rather than of the ground?

Taste

collects sound waves and channels them inward;

How is pollen from male cones transferred to the female cones

At which stage of development is physical growth of the body completed?

Atherosclerosis, the accumulation of fatty materials in the walls of the artery of the brain can result

The nerve that transmits visual information from the retina to the brain. It carries electrical signals generated by the retina to the visual cortex in the brain, where they are interpreted as images.

The LEAST economically important item we derive from goats is

The visible part of the ear that helps collect and direct sound waves into the ear canal

Responsible for the vision in low light and peripheral vision

Basic 5 tastes

Crocodiles are reared in some parts of Palawan. What important product is derived from these animals?

Which of the following can you possibly inherit from your parents because of genes

allows us to perceive flavors through taste buds

What supports the internal body systems?

Salivary glands in mouth produce enzymes that digest

A flower has large petals and has bright color How is this flower pollinated?

Which part of a fern plant could be eaten by humans?

Located behind the iris and pupil, it focuses light onto the retina. It changes shape (accommodates) to adjust for near or distant vision.

Which of the following is NOT a forestry resource from mangroves?

Which part of the brain is responsible for regulating vital functions such as breathing and heart rate

layer of blood vessels between the retina and the sclera that supplies nutrients and oxygen to the retina.

A housewife has no yard or soil to grow vegetables. She can't employ the following techniques to grow vegetables for her family without much cost EXCEPT

Which will you experience when small blood vessels break in your skin?

The tube that transmits sound waves from the pinna to the eardrum.

tiny pit within the macula that provides the clearest vision. It is densely packed with cones and is responsible for high-resolution vision.

Which of the following enables as adult frog te live both in water and on land

What distributes pollen grains from male cones to female cones among pines?

Stephen observed a tomato plant in his backyard garden. Which of his statement is true I. The tomato flower has both male and female parts II. The tomato flower does not need to be pollinated. III. The tomato fruit appears before the flower IV. The stigma of the flower of tomato plant produces pollen grains

If you were to make an aquarium with water from a pond, which one will you NOT pa into the set-up

Which of the following is usually not needed in germination

The colored part of the eye that surrounds the pupil. It controls the size of the pupil and, consequently, the amount of light that enters the eye by adjusting its diameter

The black, central opening of the iris that allows light to enter the eye. Its size adjusts in response to light conditions to regulate the amount of light entering the eye.

What are the 3 layers of the skin?

What natural phenomena affected the people and property in coastal areas of islands in Eastern Visayas?

Mangroves are good filters of water. Which enable these plants to perform this service?

Fishing methods can destroy coral reefs and kill animals that thrive. Which method friendly to the ecosystem?

Which layer of the skin contains blood vessels, nerve endings and hair follicles?

The blood is cleaned of wastes materials in the

Hearing

What is common among tilapia, milkfish and shark

All are measures to reduce the demand of overpopulation on water and l ecosystems EXCEPT

detecting sound waves

What adaptation do shell fishes have to live in intertidal zones?

What must be present for spores to germinate

3 auditory ossicles

Which of the following is a voluntary muscle?

How are pollen grains from male flower transferred to the female flower?

Which plant produces seeds?

Mosses are good forest ground cover. This could be due to

A small, central area of the retina responsible for sharp, central vision. It contains a high concentration of cones and is crucial for tasks that require detailed vision, such as reading and recognizing faces.