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Questions in biology

[Terjawab] Which of the following is the feature of lotus plant? a. The leaves are broad and flat with waxy coating b. Leaves arise in clusters from the roots c. The leaves are in the form of spines d. The leaves are needle-like II. Fill in the blanks. 1. Plants that grow in plains have many ................... 2. The plants growing in water are called ................... 3. The fleshy stems of desert plants store ................... and ................... 4. Underwater plants have ................... and ................... like leaves. 5. Cactus is an example of ................... plant. III. Answer the following in one word. 1. What are plants bearing cones called? 2. Give one example of floating aquatic plant. 3. Name the plant growing in marshy or swampy areas. 4. Give an example of a plant growing in the coastal areas. 5. What protects aquatic plants from getting rotten?

[Terjawab] Which process describes the sun providing an abundant source of solar energy, which is then converted into chemical energy? Select one: A. Fusion B. Amalgamation C. Photosynthesis D. Homeostasis

[Terjawab] 3. ______ is impermeable to water. 1) Cutin 2) Suberin 3) Lignin 4) Cellulose

[Terjawab] A. From the given grid, find the names of sense organs. Also write their names in the space provided. 1. 2. 3. 4. 5. TONGUE X P O Y H Y N R E A R E O A L I D N S K I N T S E F K M Q U Complete the following sentences with suitable words given in the box below. smell hear taste see feel touch Our eyes help us to ..................... Our nose helps us to ..................... Our skin helps us to ..................... and ..................... Our ear helps us to ..................... Our tongue helps us to .....................

[Terjawab] Read the text and answer the question. The human skeleton is a complex structure that provides support, protection, and movement for the body. Composed of 206 bones in adulthood, it not only serves as a framework but also plays a critical role in producing blood cells and storing minerals such as calcium and phosphorus. The skeletal system works in tandem with muscles, tendons, and ligaments to enable mobility and maintain posture. Bone health is influenced by factors such as diet, exercise, and age, making it essential to adopt lifestyle habits that promote bone density and prevent conditions like osteoporosis. What is one function of the human skeleton mentioned in the text? Select only one answer: Aiding in digestion Producing blood cells Maintaining hormones Regulating body temperature

[Terjawab] 1. The ______ system gives shape to our body. 2. Thirty-three ______ make a backbone. 3. The ______ pumps blood to all parts of the body. 4. The ______ produces bile juice. 5. The ______ system helps to remove the waste matter from the body.

[Terjawab] Make separate lists of herbivorous, carnivorous, and omnivorous animals that you have seen in your surroundings.

[Terjawab] What is a fact about saturated fatty acids? Select one: A. Saturated fats are liquid at room temperature. B. They have a double bond between the carbon atoms. C. Most saturated fats come from animal products. D. Saturated fats are prone to oxidative damage and a short shelf life.

[Terjawab] If the ovary was removed, which process of the reproductive system would be impacted first? A. Production of eggs B. Fertilization of eggs C. Nourishment of eggs D. Development of eggs

[Terjawab] The experiment investigates the effect of gibberellic acid (GA) on the growth of dwarf pea plants. Six identical pea plants were planted in pots containing 100 g of soil. The leaves of each plant were sprayed with equal volumes of water containing different masses of GA. The soil in each pot received 20 cm³ water each day, and the plants were continuously exposed to equal light intensity from above. After seven days, the stem height of each plant was measured, and the percentage increase in stem heights was calculated. The results of the experiment are shown in the table below: | Mass of GA applied (micrograms) | Percentage increase in stem height (%) | |---|---| | 0.01 | 90 | | 0.03 | 120 | | 0.05 | 160 | | 0.08 | 240 | | 0.10 | 320 | | 0.11 | 350 | 2.4.1 State a hypothesis for this investigation. 2.4.2 Identify TWO variables, not already mentioned, that should have been controlled to ensure the experimental procedure was valid. 2.4.3 How will an increase in the number of plants used in this investigation influence the results? 2.4.4 Explain the use of gibberellins in agriculture to improve fruit development.