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Usaha pelestarian satwa langka di kebun binatang dan taman safari termasuk pelestarian secara ….
- Karantina
- Pelestarian di habitat aslinya
- Domestikasi
- Insitu
- Eksitu

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2.

Istilah yang menunjukkan gambaran kekayaan keanekaragaman hayati pada suatu wilayah disebut ….
- Biodegradasi
- Biopestisida
- Biodiversitas
- Bioteknologi
- Bioprospeksi
Correct Answer

A. Biodiversitas

Explanation

Biodiversitas adalah istilah yang digunakan untuk menggambarkan kekayaan keanekaragaman hayati pada suatu wilayah. Istilah ini mencakup keragaman genetik, spesies, dan ekosistem yang ada dalam suatu wilayah. Dengan kata lain, biodiversitas mengacu pada jumlah dan variasi organisme hidup yang ada dalam suatu ekosistem.

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3.

Usaha pelestarian sumber daya alam hayati ekosistem hutan dapat dilakukan dengan cara…
- Penebangan hanya boleh dilakukan pada pohon-pohon besar dan rindang
- Penebangan hutan dilakukan tidak pada musim penyerbukan
- Penebangan hanya dilakukan pada tanaman yang tidak dapat berkembang biak dengan cepat
- Menerapkan system tebang pilih dan penanaman kembali
- Penebangan dilakukan jika dibutuhkan untuk mendirikan perumahan
Correct Answer

A. Menerapkan system tebang pilih dan penanaman kembali

Explanation

The correct answer is "Menerapkan sistem tebang pilih dan penanaman kembali." This means that the preservation of the natural resources of the forest ecosystem can be done by implementing a selective logging system and reforestation. This method involves carefully choosing which trees to cut down, ensuring that only mature trees are harvested, and replanting new trees to replace the ones that have been cut down. By doing so, it helps to maintain the balance and sustainability of the forest ecosystem while still allowing for the utilization of its resources.

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4.

Contoh upaya pelestarian keanekaragaman hayati di Indonesia secara ex situ yaitu...
- Pendirian Taman Nasional Baluran
- Penangkaran harimau di kebun binatang
- Perlindungan Taman Laut Bunaken
- Perlindungan komodo di Pulau Komodo
- Perlindungan bunga Rafflesia arnoldi di Bengkulu
Correct Answer

A. Penangkaran harimau di kebun binatang

Explanation

Penangkaran harimau di kebun binatang refers to the conservation effort of breeding tigers in captivity in a zoo. This is an example of ex situ conservation, which involves the preservation of biodiversity outside of its natural habitat. By establishing breeding programs in zoos, the endangered tiger population can be protected and potentially reintroduced into the wild in the future. This method helps to ensure the survival of the species and contributes to the overall conservation of biodiversity in Indonesia.

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5.

Fungsi Rhizoid pada tumbuhan lumut adalah untuk….
- Menyerap air dan hara
- Hanya sekedar alat untuk menempel pada substrat
- Bernafas
- Menyimpan makanan
- Melaksanakan fotosintesis
Correct Answer

A. Menyerap air dan hara

Explanation

Rhizoid pada tumbuhan lumut berfungsi untuk menyerap air dan hara. Hal ini karena lumut tidak memiliki akar sejati yang dapat menyerap air dan nutrisi dari tanah. Rhizoid berperan sebagai struktur penyerap yang menyerap air dan nutrisi dari lingkungan sekitarnya, membantu tumbuhan lumut untuk tumbuh dan berkembang.

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6.

Variasi antarindividu muncul karena adanya perbedaan ….
- Jenis makanan
- Kebiasaan hidup
- perilaku antarindividu
- Struktur gen
- Habitat antar individu
Correct Answer

A. Struktur gen

Explanation

The variation between individuals arises due to differences in their genetic structure. Genetic structure refers to the arrangement and composition of genes in an organism's DNA. These genes determine the traits and characteristics of an individual, such as their physical appearance, behavior, and susceptibility to diseases. Therefore, variations in the genetic structure can lead to differences in traits and characteristics among individuals.

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7.

Cocos nucifera, Phoenix dactylifera, Areca catechu termasuk dalam satu family yaitu….
- Zingiberaceae
- Rubiaceae
- Myrtaceae
- Palmae
- Gramineae
Correct Answer

A. Palmae

Explanation

Cocos nucifera, Phoenix dactylifera, and Areca catechu belong to the family Palmae.

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8.

Alat pada lumut yang berfungsi untuk menempel dan menyerap air dan garam mineral adalah . .
- Rizoma
- Rhizoid
- Hold fast
- Akar rimpang
- Akar serabut
Correct Answer

A. Rhizoid

Explanation

A rhizoid is a structure found in mosses and some other non-vascular plants that functions to anchor the plant to a substrate and absorb water and minerals. Unlike true roots, rhizoids do not have specialized tissues or structures for conducting water and nutrients. Instead, they rely on direct absorption from the surrounding environment. This adaptation allows mosses to thrive in moist environments where they can absorb water and nutrients directly from the substrate they are attached to. Therefore, the correct answer for the given question is rhizoid.

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9.

Tumbuhan berikut yang dapat digunakan untuk campuran sayur sop adalah….
- Manihot utilissima
- Santalum album
- Amarantus spinosus
- Artocarpus integra
- Solanum tuberosum
Correct Answer

A. Solanum tuberosum

Explanation

Solanum tuberosum, also known as the potato, can be used as an ingredient in vegetable soup. It is a starchy vegetable that adds texture and flavor to the soup. Potatoes are commonly used in soups because they have a soft and creamy texture when cooked, which helps to thicken the soup. Additionally, potatoes are a versatile ingredient that can absorb the flavors of the other ingredients in the soup, making it a popular choice for adding substance to vegetable soups.

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10.

Jika kita ingin masakan yang pedas, kita dapat menambahkan….pada masakan kita.
- Allium sativum
- Piper betle
- Capsicum annum
- Apium graveolus
- Arachis hypogaea
Correct Answer

A. Capsicum annum

Explanation

Capsicum annum, also known as chili pepper, is commonly used to add spiciness to dishes. Therefore, if we want a spicy dish, we can add Capsicum annum to our cooking.

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11.

Dari angiospermae berikut yang dapat dimanfaatkan manusia sebagai bahan rempah dan obat-obatan adalah…
- Hibiscus rosa-sinensis dan Solanum tuberosum
- Piper ningrum dan Zingiber officinale
- Solanum tuberosum dan Carica papaya
- Bambusa spinosa dan Musa textile
- Zea mays dan Tectona grandis
Correct Answer

A. Piper ningrum dan Zingiber officinale

Explanation

Piper ningrum (lada hitam) dan Zingiber officinale (jahe) dapat dimanfaatkan manusia sebagai bahan rempah dan obat-obatan. Lada hitam digunakan sebagai rempah dalam masakan dan juga memiliki sifat antimikroba dan antiinflamasi yang dapat digunakan dalam obat-obatan. Jahe juga digunakan sebagai rempah dalam masakan dan memiliki sifat antiinflamasi, antiemetik, dan antikanker yang membuatnya berguna dalam pengobatan.

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12.

Gambar hewan di bawah adalah khas… .
- Orientalis
- Australis
- Peralihan
- Amerika
- Eropa
Correct Answer

A. Orientalis

Explanation

The correct answer is "Orientalis." This suggests that the animal in the picture is characteristic of the Oriental region or culture.

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13.

Berdasarkan perbedaan flora dan fauna yang mendominasi, terumbu karang di Pantai Pangandaran dan kawasan hutan di Gunung Gede Pangrango menunjukkan adanya keanekaragaman hayati tingkat…
- Gen
- Spesies
- Populasi
- Komunitas
- Ekosistem
Correct Answer

A. Ekosistem

Explanation

Based on the dominant flora and fauna differences, coral reefs in Pangandaran Beach and forest areas in Gunung Gede Pangrango show the existence of biodiversity at the ecosystem level.

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14.

Bagian yang diploid adalah nomor . . . .
- 1
- 3
- 2
- 1 dan 2
- 4
Correct Answer

A. 3

Explanation

The correct answer is 3 because it is the only option that is not a duplicate. The other options, 1 and 2, are repeated in the list. Therefore, option 3 is the only unique number in the list, making it the diploid part.

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15.

Pasangan yang paling tepat mengenai tumbuhan dan manfaatnya adalah….
- Lycopersicum esculentum-bahan pangan
- Zea mays-tanaman hias
- Annona squamosa-bahan sandang
- Canna hybrid-bahan bangunan
- Gossipium obtusifolium-bahan pangan
Correct Answer

A. Lycopersicum esculentum-bahan pangan

Explanation

Lycopersicum esculentum, also known as tomato, is commonly used as a food ingredient. It is widely consumed and used in various culinary preparations such as salads, sauces, and soups. Therefore, it is correct to say that Lycopersicum esculentum is a food ingredient or "bahan pangan" in Indonesian.

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16.

Gambar di bawah ini adalah….
- Lycopersicum esculentum
- Zea mays
- Annona squamosa
- Canna hybrid
- Gossipium obtusifolium
Correct Answer

A. Lycopersicum esculentum

Explanation

The correct answer is Lycopersicum esculentum, which is the scientific name for tomato. The other options in the list are the scientific names for different plants: Zea mays (corn), Annona squamosa (sugar apple), Canna hybrid (canna lily), and Gossipium obtusifolium (cotton). Therefore, the correct answer is Lycopersicum esculentum, which refers to a tomato plant.

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17.

Penggolongan dunia tumbuhan ke dalam golongan tumbuhan tinggi dan tumbuhan rendah didasarkan kepada beberapa ketentuan. Dasar-dasar penggolongan tersebut adalah…
- Tinggi tendahnya tingkat organisasinya.
- Tinggi rendahnya batang tumbuhan
- Besar kecilnya daun dan buah
- Letak mulut daun, tersembunyi atautidak
- Letak bunga, diketiak daun atau tidak.
Correct Answer

A. Tinggi tendahnya tingkat organisasinya.

Explanation

The correct answer is "Tinggi tendahnya tingkat organisasinya." This is because the classification of plants into high and low plants is based on the height of their organizational level.

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18.

Hasil pengamatan alat perkembangbiakan tumbuhan berbiji seperti gambar di samping. Dapat ditentukan bahwa alat perkembangbiakan tersebut dapat ditemukan pada ....
- Tumbuhan lumut
- Tumbuhan paku
- Tumbuhan berbiji terbuka
- Tumbuhan berbiji tertutup
- Tumbuhan ganggang
Correct Answer

A. Tumbuhan berbiji terbuka

Explanation

Based on the observation of the reproductive organ in the picture, it can be determined that this reproductive organ is found in plants with open seeds.

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19.

Keanekaragaman hayati terbangun oleh tiga tingkatan keanekaragaman, yaitu keanekaragaman ….
- Sel, jaringan dan organ
- Individu, populasi dan komunitas
- Gen, jenis dan populasi
- Gen, genotip dan fenotip
- Gen, jenis dan ekosistem
Correct Answer

A. Gen, jenis dan ekosistem

Explanation

The correct answer is "gen, jenis dan ekosistem". This is because biodiversity is built upon three levels of diversity: genetic diversity (gen), species diversity (jenis), and ecosystem diversity (ekosistem). These three levels encompass the variety of genes within a population, the variety of species within an ecosystem, and the variety of ecosystems within a region or planet.

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20.

Generasi sporofit pada tumbuhan lumut adalah generasi yang menghasilkan . . . .
- Protonema
- Gamet
- Anteridium
- Spora
- Arkegonium
Correct Answer

A. Spora

Explanation

The correct answer is "spora". In moss plants, the sporophyte generation produces spores. Spores are reproductive cells that can develop into new individuals. This is a crucial part of the moss life cycle, as the spores are dispersed and can germinate into new gametophytes, which then produce gametes for sexual reproduction. Therefore, the sporophyte generation in mosses is responsible for producing spores.

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21.

Sporofit adalah nomor…
- 1
- 2
- 3
- 1 dan 3
- 4
Correct Answer

A. 3
22.

Tumbuhan paku di bawah adalah ...
- Adiantum cuneatum
- Lycopodium clavatum
- Marsilea crenata
- Asplenium nidus
- Equisetum debile
Correct Answer

A. Marsilea crenata

Explanation

The correct answer is Marsilea crenata. This is because the question is asking for the name of the plant, and Marsilea crenata is one of the options given. The other options are different types of plants, but the correct answer is specifically Marsilea crenata.

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23.

Pasangan tumbuhan berikut yang dapat dikelompokkan dalam tingkat keanekaragaman gen yaitu…
- Jeruk nipis dan jeruk purut
- Ketan hitam dan ketan putih
- Bayam duri dan bayam cabut
- Jambu biji dan jambu monyet
- Sawo kecik dan sawo manila
Correct Answer

A. Ketan hitam dan ketan putih

Explanation

The correct answer is Ketan hitam dan ketan putih because they are two different varieties of the same plant species, Oryza sativa. They have different genetic characteristics and traits, which contribute to the overall genetic diversity within the species.

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24.

Tumbuhan yang merupakan peralihan antara talophita ke kormophita adalah . . . .
- Pteridophita
- Alga
- Lichenes
- Jamur
- Bryophita
Correct Answer

A. Bryophita

Explanation

Bryophytes are plants that represent the transition between thallophytes (algae, lichens, and fungi) and cormophytes (vascular plants). They are non-vascular plants that lack true roots, stems, and leaves but have specialized structures for water absorption and reproduction. Bryophytes include mosses, liverworts, and hornworts. They have simple structures and rely on water for reproduction, similar to thallophytes. However, they have some characteristics of cormophytes, such as having specialized tissues for conducting water and nutrients. Therefore, bryophytes are considered a transitional group between thallophytes and cormophytes.

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25.

Perhatikan gambar sporogonium berikut ! Seta dan peristom ditunjuk oleh....
- 1,2
- 1,3
- 5,1
- 2,4
- 2,5
Correct Answer

A. 5,1
26.

Berbagai jenis mangga seperti mangga golek, mangga gadung dan mangga madu merupakan keanekaragaman tingkat
- Jenis
- Gen
- Komunitas
- Ekosistem
- Populasi
Correct Answer

A. Gen

Explanation

The given statement suggests that different types of mangoes, such as golek, gadung, and madu, represent genetic diversity. This means that these mango varieties have distinct genetic characteristics that differentiate them from one another. Genetic diversity is important for the long-term survival and adaptation of species, as it allows for a wider range of traits and variations within a population. Therefore, the correct answer is "gen."

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27.

Berikut ini yang merupakan tumbuhan khas Papua adalah ….
- Kruing dan kayu ulin
- Matoa dan cendana
- Bunga rafflesia dan kayu ebony
- Buah merah dan matoa
- Matoa dan durian
Correct Answer

A. Buah merah dan matoa

Explanation

The correct answer is "buah merah dan matoa". Buah merah and matoa are both typical plants found in Papua.

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28.

Tumbuhan lumut maupun tumbuhan paku mempunyai tempat yang lembab. Tumbuhan tersebut disebut . . .
- Hidrofit
- Halofit
- Ephemere
- Xerofit
- Higrofit
Correct Answer

A. Higrofit

Explanation

Higrofit is the correct answer because the sentence states that both moss plants and ferns require a moist environment. Higrofit refers to plants that thrive in wet or damp conditions, making it the most suitable term to describe these types of plants.

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29.

Pengamatan terhadap suatu tumbuhan menunjukkan ciri: · berakar tunggang · tidak berbunga sejati · berbiji · berdaun · batang bercabang · bakal biji terdapat pada strobilus betina dan serbuk sari dalam strobilus jantan. Maka tumbuhan itu dapat digolongkan ke dalam
- Alga
- Angiospermae
- Mycota
- Gymnospermae
- Thallophyta
Correct Answer

A. Gymnospermae

Explanation

The observation states that the plant has the characteristics of having a taproot, not true flowers, seeds, leaves, and branching stems. Additionally, it mentions that the female cone contains seed rudiments and the male cone contains pollen. Based on these characteristics, the plant can be classified as gymnosperms, which are plants that produce seeds in cones and do not have true flowers.

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30.

Kebun pemeliharaan jenis-jenis flora langka dan kerabat liarnya disebut ….
- Kebun koleksi
- Kebun raya
- Kebun botani
- Kebun plasma nutfah
- Kebun biologi
Correct Answer

A. Kebun raya

Explanation

A kebun raya is a type of garden that specializes in maintaining and preserving rare and wild flora species and their relatives. It is a collection of plants from various regions, including endangered species, and serves as a conservation and research center. The term "kebun raya" is commonly used in Southeast Asia, particularly in Indonesia, to describe botanical gardens that focus on the preservation of rare and exotic plant species.

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31.

Gambar hewan di bawah ini dilestarikan di kawasan….
- Cagar alam
- Taman nasional
- Suaka margasatwa
- Kebun raya
- Hutan wisata
Correct Answer

A. Taman nasional

Explanation

The correct answer is "Taman nasional." This is because taman nasional refers to a national park, which is an area that is protected and preserved for the conservation of wildlife and their habitats. It is a designated area where various species of animals and plants are protected from human activities such as hunting, logging, and development. National parks are usually larger in size and have stricter regulations compared to other types of protected areas like cagar alam (nature reserve), suaka margasatwa (wildlife sanctuary), kebun raya (botanical garden), or hutan wisata (tourist forest).

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32.

Gambar paku dibawah ini adalah…
- Adiantum cuneatum
- Lycopodium clavatum
- Marsilea crenata
- Asplenium nidus
- Equisetum debile
Correct Answer

A. Equisetum debile

Explanation

The correct answer is Equisetum debile because the image shown is of a plant that belongs to the genus Equisetum, commonly known as horsetails. Equisetum debile is a species of horsetail that is characterized by its thin and delicate stems. The other options listed are different plant species and do not match the characteristics of the image.

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33.

Tumbuhan paku yang merupakan bentuk peralihan adalah…..
- Selaginella
- Equisetum
- Marsilea
- Adiantum
- Lycopodium
Correct Answer

A. Equisetum

Explanation

Equisetum is a type of fern that is considered a transitional plant between ferns and horsetails. It has characteristics of both groups, making it a perfect example of a transitional plant. This is why Equisetum is the correct answer to the question.

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34.

Pada tumbuhan paku, bagian yang memiliki jumlah kromosom 2n (diploid) adalah . . . .
- Tumbuhan paku sendiri
- Spora
- Protalium
- Arkegonium
- Rizoid
Correct Answer

A. Tumbuhan paku sendiri

Explanation

The correct answer is "tumbuhan paku sendiri" because in fern plants, the sporophyte stage is the diploid stage with 2n chromosomes. The sporophyte is the mature fern plant itself, which produces spores through meiosis. The spores are haploid and develop into the gametophyte stage, which is the haploid stage of the plant's life cycle. Therefore, the diploid stage in fern plants is the mature fern plant itself.

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35.

Perbedaan pokok antara tumbuhan dikotil dan monokotil adalah dalam hal sebagai berikut, kecuali ....
- Sistem perakarannya
- Pertulangan daunnya
- Susunan pembuluhnya
- Jumlah bagian-bagian bunganya
- Jenis klorofilnya
Correct Answer

A. Jenis klorofilnya

Explanation

The main difference between dicotyledonous and monocotyledonous plants is not the type of chlorophyll they have. Dicotyledonous plants have two cotyledons (seed leaves) while monocotyledonous plants have one. They also differ in their root system, leaf venation, arrangement of vascular bundles, and the number of flower parts.

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36.

Perhatikan gambar proses sel sperma dan ovum pada reproduksi generatif tumbuhan berbiji. Pada pembuahan ganda inti yang akan melebur dan akhirnya akan menjadi embrio adalah .........
- 1 dan 3
- 2 dan 4
- 3 dan 6
- 4 dan 6
- 5 dan 7
Correct Answer

A. 3 dan 6

Explanation

The correct answer is 3 and 6. In the process of double fertilization in plants, two nuclei are involved in the fusion. The sperm nucleus fuses with the egg nucleus to form the zygote, which will develop into the embryo. Additionally, the second sperm nucleus fuses with the polar nuclei to form the endosperm, which provides nourishment to the developing embryo. Therefore, the nuclei that will eventually become the embryo are 3 and 6.

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37.

Dalam sebuah taman terdapat beberapa tanaman berikut ! 1) Phaseolus radiatus 2) Mirabilis jalapa 3) Cycas rumphii 4) Mimosa pudica 5) Thuya occidentalis Kelompok tumbuhan yang mengalami perkembangan generative dengan pembuahan ganda yaitu….
- 1,2,3
- 1,2,4
- 1,3,5
- 2,3,5
- 3,4,5
Correct Answer

A. 1,2,4

Explanation

The plants that undergo generative development with double fertilization are Phaseolus radiatus, Mirabilis jalapa, and Mimosa pudica.

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38.

Hewan berikut merupakan khas daerah….
- Orientalis
- Australis
- Peralihan
- Asiatis
- Eropa
Correct Answer

A. Peralihan

Explanation

The correct answer is "Peralihan". This suggests that the animal mentioned in the question is a transitional species or a species that is found in between two different regions or habitats. This implies that the animal may have characteristics or adaptations that allow it to survive in both regions.

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39.

Kesamaan antara tumbuhan lumut dengan tumbuhan paku adalah ...
- Kormofita sejati
- Struktur sporofit
- Struktur gametofit
- Rizoid pada sporofit
- Metagenesis
Correct Answer

A. Metagenesis

Explanation

The correct answer is metagenesis. Both mosses and ferns exhibit metagenesis, which is the alternation of generations between a haploid gametophyte and a diploid sporophyte. In both plants, the gametophyte generation is the dominant stage and produces gametes through mitosis. The gametes then fuse to form a diploid zygote, which develops into the sporophyte generation. The sporophyte produces spores through meiosis, which then develop into new gametophytes. This cycle of alternating generations is a common characteristic of both mosses and ferns.

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40.

Gigi peristom akan ditemukan pada ...
- Sporangium tumbuhan paku
- Sporangium lumut
- Anteridium lumut
- Arkegonium lumut
- Protalium tumbuhan paku
Correct Answer

A. Sporangium lumut

Explanation

The correct answer is "sporangium lumut". In mosses, the peristome is a structure found on the sporangium. The peristome consists of teeth or appendages that surround the opening of the sporangium. It helps in the controlled release of spores. Therefore, the peristome is specifically found on the sporangium of mosses.

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41.

Pada angiospermae gametofit jantan terletak pada ....
- Ovula
- Mikrospora
- Antera
- Perkecambahan serbuk sari
- Megaspore
Correct Answer

A. Perkecambahan serbuk sari

Explanation

In angiosperms, the male gametophyte is located in the process of pollen germination, which is known as "perkecambahan serbuk sari" in Indonesian. This process involves the germination of pollen grains and the formation of a pollen tube, which delivers the male gametes to the female reproductive organs for fertilization. Therefore, the correct answer is "perkecambahan serbuk sari".

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42.

Perhatikan gambar berikut!
- Bengkulu, Riau dan Kalimantan
- Sumatera Barat, Bengkulu dan Aceh
- Nusa Kambangan dan Pangandaran
- Nusa Kambangan dan Bengkulu
- Jawa Barat, Bengkulu dan Aceh
Correct Answer

A. Bengkulu, Riau dan Kalimantan

Explanation

The correct answer is Bengkulu, Riau, and Kalimantan. This is because the given options are a list of different regions in Indonesia, and Bengkulu, Riau, and Kalimantan are the only regions mentioned in the given list. The other regions mentioned in the options are Sumatera Barat, Aceh, Nusa Kambangan, Pangandaran, and Jawa Barat, but they are not part of the correct answer.

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43.

Pernyataan yang TIDAK benar mengenai tumbuhan lumut di bawah ini adalah . . .
- Termasuk classis Hepaticae
- Mengalami metagenesis
- Berumah dua
- Akarnya berupa rhizoid
- Sporanya berkembang menjadi prothalium
Correct Answer

A. Sporanya berkembang menjadi prothalium

Explanation

The incorrect statement about moss plants is that their spores develop into prothallium. Moss plants do not have prothallium, as prothallium is a structure found in ferns and some other types of plants. Moss plants have a different reproductive structure called a gametophyte.

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44.

Ciri utama yang menyebabkan pteridophyta tidak digolongkan ke dalam kelompok antophyta adalah . . .
- Bersifat kormus
- Batang memiliki epidermis, korteks dan stele
- Memiliki ikatan pembuluh bertife konsentrik
- Tidak ditemukan bunga
- Berkembang biak dengan spora
Correct Answer

A. Tidak ditemukan bunga

Explanation

The main characteristic that distinguishes pteridophyta from angiosperms is the absence of flowers. Pteridophytes reproduce through spores instead of seeds, and they do not produce flowers or fruits like angiosperms do. This is why they are not classified as part of the angiosperm group.

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45.

Perbedaan bentuk, penampilan dan sifat pada pisang ambon, pisang raja, pisang kepok menunjukkan adanya keanekaragaman tingkat ….
- gen
- Jenis
- populasi
- Komunitas
- Ekosistem
Correct Answer

A. gen

Explanation

The difference in form, appearance, and characteristics of different types of bananas such as pisang ambon, pisang raja, and pisang kepok indicates the existence of genetic diversity.

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46.

Persamaan tumbuhan lumut dan tumbuhan paku kecuali . . .
- Merupakan tumbuhan higrofit
- Mengalami metagenesis
- Miosis terjadi pada pembentukan spora
- Mempunyai akar serabut
- Tergolong dalam kormophyta berspora
Correct Answer

A. Mempunyai akar serabut

Explanation

The correct answer is "Mempunyai akar serabut". This is because both mosses and ferns have rhizoids instead of true roots. Rhizoids are thread-like structures that help anchor the plants to the ground and absorb water and nutrients, but they do not perform the same functions as true roots. Therefore, the statement "Mempunyai akar serabut" is not true for both mosses and ferns.

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47.

Tumbuhan lumut mempunyai ciri-ciri seperti tersebut di bawah ini kecuali . . . .
- Hidup di tempat lembab
- Mempunyai anulus untuk mengatur pengekuaran spora
- Mempunyai klorofil
- Berumah satu atau berumah dua
- Sporogonium menghasilkan spora
Correct Answer

A. Berumah satu atau berumah dua

Explanation

The given options describe characteristics of moss plants. Moss plants are known to live in damp environments, have an annulus to control the release of spores, and have chlorophyll for photosynthesis. They also have a structure called sporogonium that produces spores. However, moss plants do not have the characteristic of being monoecious or dioecious, which means they do not have separate male and female reproductive structures.

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48.

Lebih mudah membedakan ciri antara padi dengan jagung daripada membedakan ciri antara padi cisadane dan padi mamberamo karena ….
- Padi dan jangung berbeda familia
- Padi dan jangung tergolong rumput-rumputan
- Padi dan jagung satu familia
- Padi dan jagung satu spesies
- Padi dan jagung berbeda spesies
Correct Answer

A. Padi dan jagung berbeda spesies

Explanation

The correct answer is that padi and jagung are different species. This means that they belong to different groups within the plant classification system. It is easier to distinguish between the characteristics of padi and jagung because they have distinct genetic and physical differences that set them apart. On the other hand, distinguishing between padi cisadane and padi mamberamo is more difficult because they belong to the same species and share many similar characteristics.

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49.

Menurut fungsinya daun pteridophyta untuk fotosintesis yaitu . . .
- Mikrofil
- Tropofil
- Makrofil
- Sporofil
- Higrofil
Correct Answer

A. Tropofil

Explanation

The correct answer is "Tropofil". Tropofil refers to the leaves of pteridophytes that are adapted for photosynthesis. These leaves have specialized structures and adaptations that allow them to efficiently capture sunlight and carry out the process of photosynthesis. They have a large surface area and are typically thin and broad, which helps in maximizing the absorption of light. Tropofil leaves also have stomata, which are small openings that regulate the exchange of gases, such as carbon dioxide and oxygen, during photosynthesis. Overall, the tropofil leaves of pteridophytes play a crucial role in the process of photosynthesis.

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Quiz Edited by
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Apr 01, 2013

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Usaha pelestarian satwa langka di kebun binatang dan taman safari termasuk pelestarian secara ….

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Perhatikan gambar berikut!

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