1.
Which of the animal has a tadpole stage?
Correct Answer
B. Frog
Explanation
Frogs have a tadpole stage in their life cycle. Tadpoles are the larval stage of frogs, where they have a fish-like appearance and live in water. During this stage, they have gills for breathing and a long tail for swimming. As they grow, tadpoles undergo metamorphosis and develop into adult frogs, losing their tails and developing lungs for breathing on land. This unique life cycle characteristic sets frogs apart from other animals like mosquitoes and butterflies, which do not have a tadpole stage.
2.
Which animal changes color as it grows?
Correct Answer
B. Chick
Explanation
Chicks change color as they grow. When they hatch, they have soft, fluffy feathers that are usually yellow or brown. As they mature, their feathers start to change and develop into the colors of their adult plumage. This change in coloration helps them blend in with their surroundings and provides camouflage and protection from predators.
3.
Which animal has horns when it grown-up?
Correct Answer
C. Carabao
Explanation
Carabaos are known to have horns when they grow up. This distinguishes them from dogs and lions, which do not have horns. Carabaos, also known as water buffaloes, are large domesticated animals commonly found in Southeast Asia. Their horns are a prominent feature and are used for various purposes, including defending themselves and establishing dominance within their herd.
4.
Which animal does NOT hatch from the egg?
Correct Answer
A. Cat
Explanation
Cats do not hatch from eggs. They are mammals and give birth to live young instead. Chickens and turtles, on the other hand, are reptiles and birds respectively, and they do hatch from eggs.
5.
Which adult animal that it's young called nestling?
Correct Answer
A. Bird
Explanation
Birds are the adult animals whose young are called nestlings. Nestlings are newly hatched birds that are not yet able to leave the nest and are dependent on their parents for food and care. This term specifically refers to the young of birds and is not applicable to dragonflies or cows.
6.
Which of these plants can live for over 4000 years, making it one of the oldest living organisms on Earth?
Correct Answer
C. Bristlecone Pine
Explanation
Bristlecone Pines, particularly the Great Basin Bristlecone Pine (Pinus longaeva), are renowned for their incredible longevity and resilience. Found in the mountainous regions of California, Nevada, and Utah, these trees can live for thousands of years, with some specimens exceeding 4000 years in age. This makes them among the oldest known living organisms on the planet.
7.
All plants gives us______.
Correct Answer
A. Fresh air
Explanation
Plants give us fresh air through the process of photosynthesis. During photosynthesis, plants take in carbon dioxide and release oxygen into the atmosphere, thus improving the air quality. This oxygen is essential for humans and other animals to breathe and survive. Therefore, it can be concluded that plants provide us with fresh air.
8.
Which plant grows into a tree?
Correct Answer
B. Acacia
Explanation
Acacia is the correct answer because it is a type of plant that has the ability to grow into a tree. Acacia trees are known for their characteristic umbrella-shaped canopy and are found in various regions around the world. On the other hand, cabbage and ampalaya are not known to grow into trees but rather are leafy vegetables.
9.
Which part of the mongo is used as food?
Correct Answer
C. Seed
Explanation
Seeds are the part of the mongo plant that is used as food. Mongo seeds are commonly consumed in various forms such as roasted, boiled, or ground into flour. They are rich in nutrients, including protein, fiber, and essential minerals, making them a nutritious and popular food choice. Mongo seeds can be used in a variety of dishes, including soups, stews, curries, and desserts.
10.
Which is NOT a part of all plants?
Correct Answer
A. Seed
Explanation
The seed is not a part of all plants because some plants reproduce through spores or by vegetative propagation, such as through bulbs or tubers. Seeds are only found in plants that reproduce through sexual reproduction, where the male and female gametes combine to form a seed. Therefore, the presence of seeds is not universal among all plants.
11.
Which plant is an herb?
Correct Answer
B. Kangkong
Explanation
Kangkong is an herb because it is a leafy green vegetable that is commonly used in cooking and is known for its medicinal properties. It is a fast-growing plant with long, slender stems and green, heart-shaped leaves. Kangkong is rich in vitamins and minerals, and its leaves are often used in soups, stir-fries, and salads. It is also used in traditional medicine for its diuretic and anti-inflammatory properties. Therefore, kangkong is the correct answer as it fits the description of an herb.
12.
Which part of the plant brings water to leaves?
Correct Answer
C. Stem
Explanation
The stem of a plant brings water to the leaves. The stem acts as a conduit, transporting water and nutrients from the roots to the leaves through a network of vessels. This process is known as transpiration. The stem also provides support to the plant and connects the roots to the leaves, allowing for the exchange of gases and the movement of water and nutrients throughout the plant.
13.
Which of these is a common medicinal plant?
Correct Answer
A. Ampalaya
Explanation
Ampalaya is a common medicinal plant because it possesses various health benefits. It is known for its ability to lower blood sugar levels, making it beneficial for individuals with diabetes. Additionally, ampalaya is rich in antioxidants, vitamins, and minerals, which help boost the immune system and promote overall health. Its leaves, fruits, and seeds are often used in traditional medicine to treat various ailments such as respiratory problems, digestive issues, and skin conditions. Therefore, ampalaya stands out as a common medicinal plant due to its numerous therapeutic properties.
14.
Lant clings to walls and climbs trees?
Correct Answer
B. Vine
Explanation
A vine is a type of plant that has long, flexible stems that can cling to walls and climb trees. Unlike herbs and shrubs, which may have different growth habits, vines specifically have the ability to attach themselves to surfaces and use support structures to grow upwards. Therefore, the correct answer for a plant that clings to walls and climbs trees is a vine.
15.
Is the coconut tree called the "tree of life"?
Correct Answer
A. Practically all parts of the coconut tree are useful to people
Explanation
The coconut tree is often referred to as the "tree of life" because practically all parts of the tree are useful to people. The fruit of the tree, the coconut, provides water, milk, and meat that can be consumed. The husk of the coconut is used to make ropes, mats, and other household items. The leaves can be woven into baskets and used for thatching roofs. The trunk of the tree can be used for construction purposes. Additionally, coconut oil is extracted from the tree and is widely used in cooking, beauty products, and various other industries. Therefore, the statement that practically all parts of the coconut tree are useful to people supports the idea of it being called the "tree of life."
16.
Which of the following is NOT true about the Venus flytrap?
Correct Answer
C. It only closes its trap when it senses movement.
Explanation
The Venus flytrap has evolved a remarkable mechanism to capture insects. While it does respond to movement, it also requires the insect to touch trigger hairs inside the trap multiple times within a short period. This ensures that the trap doesn't waste energy closing on false alarms like raindrops or debris. The Venus flytrap is native to the bogs of North and South Carolina, and while it can survive without insects, it thrives when it can supplement its nutrient intake with captured prey.