Latihan Uas Kelas 6 Semester I

The correct answer is "punuk" because a "punuk" refers to a hump or a hump-like structure found on the back of certain animals, such as camels. Camels have the ability to store fat in their punuk, which can be used as a source of energy when food and water are scarce. Therefore, the punuk serves as a storage reserve for food and water.

The correct answer is "seperti duri" because cactus leaves have spines that help reduce evaporation by providing shade and reducing air movement around the surface of the leaf. The spines also help to protect the cactus from herbivores.

The correct answer is "tumbuhan langka" because it is mentioned in the question that the plant is almost extinct and rarely found. "Tumbuhan langka" translates to "rare plants" in English, which perfectly describes the situation mentioned in the question.

The correct answer is "usia lanjut." This is because as humans age, their bodily functions naturally decline. This can include a decrease in physical strength, cognitive abilities, and overall health. Older adults may experience issues such as reduced mobility, memory loss, and chronic conditions. Therefore, it is during old age or "usia lanjut" that the decline in bodily functions occurs.

The correct answer is "pohon damar" because it is mentioned in the question that the plants listed are rare plants, and "pohon damar" is a type of tree that is known to be rare.

Reboisasi adalah kegiatan manusia yang membantu memulihkan keseimbangan ekosistem dengan menanam kembali pohon-pohon yang telah ditebang. Oleh karena itu, reboisasi tidak mengganggu keseimbangan ekosistem, melainkan justru membantu memperbaikinya.

Insektisida adalah jenis pestisida yang digunakan untuk membunuh hama. Serangga adalah salah satu jenis hama yang dapat membahayakan tanaman atau lingkungan. Oleh karena itu, penggunaan insektisida bertujuan untuk mengendalikan populasi serangga yang merusak.

The correct answer is "Benang sari". In flowers, the male reproductive organ is called the stamen, which consists of the filament and the anther. The filament is the stalk-like structure that holds up the anther, and the anther contains the pollen grains. The pollen grains are responsible for fertilizing the female reproductive organ, the pistil, which includes the stigma, style, and ovary. Therefore, the correct answer is "Benang sari" or "stamen" as it refers to the male reproductive structure in flowers.

Pupuk yang berasal dari kotoran ternak disebut pupuk kandang. Pupuk kandang merupakan pupuk organik yang terbuat dari bahan-bahan alami, seperti kotoran ternak, jerami, daun, dan limbah tumbuhan lainnya. Pupuk kandang memiliki kandungan nutrisi yang tinggi dan dapat meningkatkan kesuburan tanah serta pertumbuhan tanaman.

Fragmentasi adalah proses reproduksi pada hewan di mana tubuh induk pecah menjadi beberapa bagian yang kemudian tumbuh menjadi individu baru. Dalam proses ini, setiap bagian yang terpisah akan berkembang menjadi organisme yang lengkap dan mandiri. Contoh hewan yang berkembang biak dengan fragmentasi adalah cacing pipih. Ketika tubuh cacing pipih pecah menjadi beberapa bagian, setiap bagian tersebut akan tumbuh menjadi cacing baru yang memiliki organ dan sistem pencernaan yang lengkap.

During puberty, one of the primary changes that occur in females is the onset of menstruation. This is the monthly shedding of the uterine lining, which marks the beginning of a woman's reproductive cycle. It is a significant milestone in a girl's development and indicates that her body is capable of supporting a potential pregnancy. Menstruation is regulated by hormones and typically starts between the ages of 9 and 15. It is a natural and normal part of a woman's life and continues until menopause, which usually occurs in her late 40s or early 50s.

A benda yang menghantarkan panas disebut konduktor. Konduktor adalah material atau benda yang memiliki kemampuan untuk mengalirkan panas dengan cepat dan efisien. Ini berarti bahwa panas dapat dengan mudah melewati konduktor dan menjalar ke benda lainnya. Sebaliknya, isolator adalah benda yang tidak menghantarkan panas dengan baik, sehingga panas sulit untuk melewati benda tersebut.

Plants that reproduce through runners are called stoloniferous plants. Runners are horizontal stems that grow above the ground and produce new plants at nodes. This method of reproduction allows the plant to spread and colonize new areas. Examples of plants that reproduce through runners include strawberries, spider plants, and some grasses.

Stek batang adalah cara reproduksi tanaman dengan mengambil sepotong batang dari tanaman induk dan menanamnya di media tanam yang sesuai. Potongan batang tersebut akan tumbuh menjadi individu baru yang memiliki karakteristik yang sama dengan tanaman induknya.

Radiasi is the correct answer because when members of the scout feel the heat of the bonfire, it is an example of heat transfer through radiation. Radiation is the process in which heat is transferred through electromagnetic waves without the need for a medium. In this case, the heat from the bonfire is transferred to the scout's body through the emission of infrared radiation.

Bebek dapat menyaring makanan dari air dan lumpur karena paruhnya pipih dan lebar. Paruh bebek yang pipih dan lebar berfungsi sebagai alat penyaring yang efektif. Ketika bebek mencari makanan di air atau lumpur, paruhnya akan digunakan untuk menyaring air dan lumpur tersebut. Dengan paruh yang pipih dan lebar, bebek dapat menahan makanan yang lebih besar dan mengeluarkan air dan lumpur yang tidak diperlukan. Hal ini memungkinkan bebek untuk mendapatkan makanan yang tepat dan memenuhi kebutuhan nutrisinya.

Kantung semar dan venus mencerna serangga untuk mendapatkan nitrogen. Nitrogen adalah salah satu unsur penting yang dibutuhkan oleh tanaman untuk pertumbuhan dan perkembangan yang sehat. Serangga merupakan sumber makanan utama bagi kantung semar dan venus, dan melalui proses pencernaan, mereka dapat memperoleh nitrogen dari serangga tersebut. Nitrogen digunakan oleh tanaman untuk sintesis protein, asam nukleat, dan klorofil, yang semuanya penting untuk fungsi dan pertumbuhan tanaman. Oleh karena itu, kantung semar dan venus mencerna serangga untuk mendapatkan nitrogen yang dibutuhkan untuk kelangsungan hidup mereka.

Cagar alam adalah wilayah yang melindungi hewan dan tumbuhan yang hidup di dalamnya. Cagar alam memiliki peran penting dalam melestarikan keanekaragaman hayati dan ekosistem alam. Di dalam cagar alam, flora dan fauna dilindungi agar tidak terancam punah dan habitat alam mereka tetap terjaga.

The correct answer is "cagar alam." This is because cagar alam refers to a nature reserve or conservation area that is designated to protect and preserve a specific ecosystem or species. It is usually smaller in size compared to other types of nature conservation areas like taman nasional (national park) or taman hutan raya (grand forest park). Cagar alam focuses on the conservation of specific natural resources and biodiversity, making it the most suitable option among the given choices.

The given options represent different types of weathering processes. "Pelapukan geografi" is not a recognized type of weathering process. Weathering processes include physical, biological, and chemical processes that break down rocks and minerals.

The correct answer is "ovovivipar, ikan hiu". Ovovivipar refers to the reproductive method where the eggs are fertilized inside the female's body and then hatch internally, with the offspring being born live. This is seen in certain species of sharks, including the example given of ikan hiu (sharks).

The correct answer is Anoa. Anoa is a species of dwarf buffalo that is native to the island of Sulawesi in Indonesia. It is listed as a vulnerable species and is threatened by habitat loss and hunting. The other options, such as the one-horned rhinoceros, Komodo dragon, and crocodile, are not specific to Sulawesi and are not currently considered endangered on the island.

The correct answer is "Akar tinggal." This is because the term "akar tinggal" refers to a type of vegetative propagation in plants where new plants are formed from the roots of the parent plant. This method of reproduction involves the development of adventitious roots from the main root system, which then grow into new plants. This process allows the plant to spread and reproduce without the need for seeds or flowers.

The given question is asking the test-taker to select the options they like. The correct answer is Option1, which implies that the test-taker likes Option1.

Gaharu is a well-known plant from the forest that is famous for its golden aroma. It is highly valued for its fragrance, which is often used in perfumes and incense. Gaharu trees are native to Southeast Asia and are known for producing a resinous substance that gives off a rich, woody scent. The resin is formed in response to fungal infections in the tree, and it is this resin that is highly prized for its aromatic properties. Therefore, Gaharu is the correct answer to the question.

The correct answer is "kaca" because glass is a non-metallic material that does not rust or corrode. Rusting occurs only in metals, such as iron, when they come into contact with oxygen and water. Wood, plastic, and glass are not susceptible to rusting.