TERUPDATE! pembahasan soal KSM BIOLOGI MA 2022| LENGKAP PENJELASAN AYAT QUR'AN ! SOAL HOTS !#part2

Summary

In this video, the speaker discusses the 2022 KSM Biology exam questions for city and district levels. The content covers various topics such as chromosomes during mitosis, the meanings of Qur'anic verses related to biological terms, the role of hormones like glucagon and insulin, and the concept of mimicry in animals. Additionally, it includes explanations about plant and animal adaptations, and the cross-sectional analysis of plant stems. The speaker provides detailed insights into each question and invites viewers to engage with the content, including asking for feedback and comments on the discussions.

Takeaways

• 😀 The video discusses the KSM Biology exam questions for the 2022 city and district levels.
• 😀 Cytokinesis in cell division results in each daughter cell having half the number of chromatids as the original cell. In this case, the answer is 11 chromatids, related to the Qur’anic verse of Al-Adiyat.
• 😀 The second question explains the word 'amanah' in a Qur’anic context, where the focus is on grapes and their various properties, such as being a source of antioxidants and resveratrol.
• 😀 Glucagon and insulin regulate blood sugar levels after exercise, with glucagon increasing blood sugar and insulin lowering it.
• 😀 The question about camels focuses on their adaptations to desert environments, such as their ability to drink large amounts of water in short periods.
• 😀 A Qur’anic verse (Al-Baqarah 164) mentions the spread of animals, with zoogeography being the correct answer for describing the geographical distribution of animals.
• 😀 The concept of mimicry is explained through the example of hoverflies and honey bees, where the hoverfly imitates the honey bee, an example of Batesian mimicry (one dangerous, one not).
• 😀 The importance of monocotyledonous and dicotyledonous plants is discussed through a stem cross-section, highlighting the function of xylem for water and nutrient distribution.
• 😀 A key observation from the stem cross-section involves the resin canal of a pine tree trunk, which is associated with the production of resin.
• 😀 The video encourages viewers to discuss their answers with teachers and comment on the video for a more precise explanation.

Q & A

What happens to the chromatids during metaphase in a cell division?

During metaphase, chromatids are aligned at the cell's equator. When the cell undergoes mitosis, the chromatids are separated, and each daughter cell will receive half the original number of chromatids. If there are 22 chromatids, each daughter cell will have 11 chromosomes after cytokinesis.

What is cytokinesis in cell division?

Cytokinesis is the process of dividing the cytoplasm and other organelles of a parent cell into two daughter cells after mitosis. This results in the formation of two genetically identical daughter cells.

How is 'Amanah' interpreted in the context of the Quranic verse from Surah An-Nahl, verse 67?

'Amanah' refers to trust or responsibility. In the context of the verse, it relates to the beneficial qualities of grapes and dates, highlighting their value and usefulness for humans.

What is the main function of glucagon in regulating blood sugar levels?

Glucagon is produced by alpha cells in the pancreas and functions to increase blood sugar levels by converting stored glycogen into glucose. This helps raise blood sugar levels, especially after exercise when they tend to drop.

How does insulin work in relation to blood sugar levels?

Insulin is produced by beta cells in the pancreas and lowers blood sugar levels by helping cells absorb glucose from the blood. It also promotes the conversion of glucose into glycogen for storage in the liver.

What is the adaptation of camels that helps them survive in desert environments?

Camels have several adaptations for desert survival, including the ability to store water in their bodies, sweat minimally, and drink large amounts of water quickly when needed. These adaptations help them survive in hot, arid climates with scarce water sources.

What is mimicry in nature, and how is it demonstrated by hoverflies and honeybees?

Mimicry is the ability of one species to resemble another species or object for protective purposes. Hoverflies mimic honeybees to avoid predators, despite being harmless themselves, while honeybees are dangerous due to their ability to sting.

What is Batesian mimicry, and how does it relate to the hoverfly and honeybee?

Batesian mimicry is when a harmless species mimics a harmful one to gain protection from predators. In this case, hoverflies mimic honeybees, which are dangerous to predators, but hoverflies do not pose any threat.

How does the xylem function in plant stems?

The xylem is responsible for transporting water and mineral nutrients from the roots to the rest of the plant, including the leaves. It plays a crucial role in maintaining the plant's hydration and nutrient supply.

What does the term 'zoogeography' refer to in relation to the spread of animals on Earth?

Zoogeography refers to the study of the geographical distribution of animal species across the Earth. It includes understanding how animals are spread across continents, ecosystems, and specific habitats.