1.
Perhatikan ciri-ciri tumbuan berikut!
1) mengalami pembuahan ganda
2) bakal biji terbungkus daun buah
3) memiliki keping bjij
4) tidak memiliki bunga
5) berakar serabut
Ciri-ciri tumbuhan berbiji tertutup (Angiospermae) meliputi nomor...
Correct Answer
A. 1), 2) dan 3)
Explanation
The characteristics mentioned in the question are all traits of angiosperms or flowering plants. Angiosperms undergo double fertilization, have seeds enclosed in a fruit, and possess seed coats. Therefore, the correct answer is 1), 2) and 3).
2.
Tumbuhan Monokotil dapat dibedakan dari Dikotil berdasarkan ciri-ciri khas yang terdapat pada semua struktur di bawah ini, kecuali...
Correct Answer
C. Sifat haploid gonosomnya
Explanation
The given options are characteristics that can be used to differentiate between Monocot and Dicot plants. Monocot plants have parallel leaf veins, scattered vascular bundles in the stem, and fibrous roots. However, the haploid gonosome is not a characteristic used to differentiate between Monocot and Dicot plants. Therefore, the correct answer is "sifat haploid gonosomnya" (haploid gonosome characteristic).
3.
Ciri-ciri berikut yang tidak dipergunakan untuk mengidentifikasi kelompok Bryophyta adalah...
Correct Answer
E. Sporanya dibedakan menjadi heterospora dan homospora
Explanation
The given characteristics are used to identify Bryophyta, except for the differentiation of their spores into heterosporous and homosporous. Heterosporous and homosporous spores are characteristics of seed plants, not Bryophyta. Bryophyta are non-vascular plants that have chloroplasts in their body cells, a thallus-like body structure, a waxy surface, and they thrive in moist habitats.
4.
Perhatikan ciri-ciri tumbuhan berikut!
1) hidup di tempat lembap
2) mempunyai akar, batang dan daun
3) belum memiliki pembuluh pengangkut
4) berkembang biak menggunakan spora
5) alat perkembangbiakan berupa strobilus
Ciri-ciri tumbuhan yang tergolong Pteridophyta ditunjukkan oleh nomor...
Correct Answer
A. 1), 2) dan 4)
Explanation
The correct answer is 1), 2) dan 4). This is because the characteristics mentioned in the question, such as living in a moist environment, having roots, stems, and leaves, not having conducting vessels, and reproducing using spores, are all traits of Pteridophyta plants. The presence of strobilus as a reproductive organ further confirms this classification.
5.
Rini dan Rina mencatat beberapa jenis tumbuhan yang mereka temui selama perjalanan pulang sekolah. Tumbuhan yang berhasil mereka catat sebagai berikut:
1) teratai
2) eceng gondok
3) waru
4) kencur
5) sirih
Kelompok tumbuhan tersebut mempunyai persamaan dalam hal...
Correct Answer
B. Cara perkembangbiakan vegetatif alami
Explanation
The plants listed by Rini and Rina have a similarity in terms of their natural vegetative reproduction method. This means that these plants can reproduce asexually through methods such as runners, rhizomes, or stem cuttings, allowing them to create new plants without the need for seeds or sexual reproduction.
6.
Kembang sepatu, mawar dan seroja dikelompokkan dalam satu kelompok karena memiliki ciri-ciri sebagai berikut, kecuali...
Correct Answer
E. Sporangium terletak pada daun
Explanation
The correct answer is "sporangium terletak pada daun" because kembang sepatu, mawar, and seroja all have characteristics such as producing seeds, having flowers as reproductive organs, being able to differentiate roots, stems, and leaves, and having stem tissues for transportation. However, sporangium, which is a structure that produces spores, is not located on the leaves of these plants.
7.
Pakis haji termasuk kelompok Gymnospermae yang memiliki ciri-ciri seperti berikut, kecuali...
Correct Answer
E. Merupakan tumbuhan berumah satu
Explanation
The given characteristics describe the features of Gymnospermae plants. Gymnosperms are known for their reproductive structures called strobili, their mode of reproduction through spores, and their stems having vascular tissues for transport. They also have cambium for secondary growth. However, Gymnosperms are not monoecious (having separate male and female reproductive structures on the same plant), unlike angiosperms. Therefore, the statement "merupakan tumbuhan berumah satu" (being a monoecious plant) does not fit the characteristics of Gymnospermae.
8.
Tono menemukan berbagai jenis tanaman di kebunnya dan mengelompokkannya sebagai berikut:
Pengelompokan yang dilakukan Tono tersebut berdasarkan pada...
Correct Answer
C. jumlah keping biji
Explanation
Tono melakukan pengelompokan tanaman berdasarkan jumlah keping biji. Ini berarti bahwa Tono mengelompokkan tanaman berdasarkan jumlah biji yang terdapat pada setiap buah atau biji tanaman tersebut. Pengelompokan ini dapat membantu Tono untuk mengidentifikasi dan mempelajari karakteristik tertentu dari tanaman berdasarkan jumlah biji yang dimiliki.
9.
Berikut ini ciri-ciri tumbuhan berbiji:
1) biji berkeping satu
2) berakar tunggang
3) tulang daun sejajar
4) biji berkeping dua
5) tidak berkambium
6) tulang daun menjari
Ciri-ciri tumbuhan yang tergolong Dikotil meliputi nomor...
Correct Answer
E. 2), 4) dan 6)
Explanation
Tumbuhan yang tergolong Dikotil memiliki ciri-ciri biji berkeping dua, tulang daun menjari, dan tidak berkambium. Dalam pilihan jawaban, hanya pilihan 2), 4), dan 6) yang memiliki ciri-ciri tersebut, sehingga itulah jawaban yang benar.
10.
Spora tumbuhan paku yang jatuh di lingkungan lembap akan tumbuh menjadi...
Correct Answer
D. Protalium
Explanation
When a spore of a fern plant falls in a moist environment, it will germinate and develop into a protalium. A protalium is a small, heart-shaped structure that is the gametophyte stage of a fern. It is a thin, flat structure that contains both male and female reproductive organs. The protalium produces sperm and eggs, which then fuse to form a new sporophyte plant. Therefore, the correct answer is protalium.