This document contains a series of true/false and multiple choice questions about topics in science such as the phases of the moon, reproduction, the human body, plants, weathering, biodiversity, and mud flats. It tests knowledge on the lunar cycle, sexual and asexual reproduction, puberty changes in boys and girls, plant propagation, rock breakdown, species abundance, and sediment deposition.

1. A slope is a flat surface of land..
TRUE or FALSE
Answer: False
The moon is a natural satellite of the Earth.
TRUE or FALSE
Answer: True
There are eight (8) phases of the moon
TRUE or FALSE
Answer: True
Binary fission is a method of asexual reproduction.
TRUE or FALSE
Answer: True

2. A zygote is formed as a result of fertilization..
TRUE or FALSE
Answer: True
How many days does a normal menstrual cycle occur?
a. 7 days
b. 21 days
c.14 days
d. 28 day
Answer: d
Which is NOT a change observed in a girl’s body?
a. broadening of hips
b. development of muscles
c. development of breasts
d. occurrence of menstruation
Answer: b
Which is NOT a change observed in a boy’s body during puberty?
a. development of voice
b. broadening of shoulders
c. development of breast
d. growth of hair in the armpit
Answer: c
+

3. Which plant can reproduce through bulb?
a. coconut c. mango
b. fern d. Onion
Answer: d
Which part of a plant cannot undergo vegetative propagation?
a. stem c. leaves
b. fruit d. Roots
Answer: b
Weathering is the breakdown of rock into __________.
Answer: Sediments
_________________refers to the abundance of different living organisms living in an
area.
Answer: Biodiversity

4. This phase is when the moon is not seen and is between the sun and the Earth.
Answer: New Moon
Area where tropical cyclone develops and move in a east to northeast
direction.
Answer:
West Philippines Sea
Mud flats are areas in estuaries where____________ is deposited from the seas or
rivers.
Answer:
Mud