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Questions in biology

[Terjawab] Select the best answer for the question. Which process causes wells on land to become saline, making them unusable for drinking water? A. Echo sounding B. Eutrophication C. Groundwater infiltration D. Erosion

[Terjawab] QUALIFICATION TITTLE: HORTICULTURE NC II UNIT OF COMPETENCY: CONDUCT PRE- HORTICULTURE FARM OPERATIONS MODULE TITLE: CONDUCTING PRE-HORTICULTURAL FARM OPERATIONS NOMINAL DURATION: 15 HOURS MODULE I WHAT IS THIS MODULE ABOUT? This module covers the knowledge, skills and attitudes required in preparing farm tools, implements and simple equipment for horticultural farm operations. It also includes maintenance of farm facilities and safety precautions to be observed in horticultural farm operations. WHAT WILL YOU LEARN? After completing this module, you should be able to: 1. prepare farm tools, implements and simple equipment for horticultural operations; 2. maintain farm facilities, tools, and 3. observe safety precautions in horticultural farm operations. WHAT DO YOU ALREADY KNOW? Pre-test Let's find out how much you already know about the identification, classification and preparation of the tools, farm implements and equipment and routine farm operations. A. Identification. Identify the words being described by each of the following sentences. Choose your answer from the given choices in the box. Write the letter of your answer in your quiz notebook. a. shop building b. green house c. storage barn d. safety e. wheel barrow f.shovel g. disc harrow h. nursery shed i. bolo j.pick mattock k. exposure l. native plow 1

[Terjawab] If the xylem of a plant is blocked using a dye that clogs the vessels, which of the following will be directly affected first? A. Phloem loading B. Photosynthesis rate C. Root pressure generation D. Opening of stomata

[Terjawab] Identify the mechanism discussed below. The transfer of genes from one population to another Drives the changes that occur in populations A permanent change in the DNA sequence of a gene The random change in the frequency of an allele in a population

[Terjawab] Which fungal group is correctly matched with its mode of reproduction? Deuteromycota - Oospores Basidiomycota - Basidiospores Ascomycota - Zygospores Zygomycota - Basidia

[Terjawab] The functional units that can make a muscle shorten are: a) Z lines b) Myofibrils c) Sarcomeres d) Cross-bridges

[Terjawab] Describe the roles of microorganisms in (i) food industry, (ii) medicine, and (iii) agriculture. Support your answer with examples.

[Terjawab] Which of the following is true about the autonomic nervous system? A. It is made up of the brain and spinal cord. B. It takes messages from the body's internal organs to the central nervous system. C. It conveys information from the central nervous system to the skin and muscles. D. It plays the primary role in sensory perception.

[Terjawab] 5. When we breathe in, our chest muscles move upwards and outwards and our diaphragm moves downwards. Explain why this is. 6. In which part of the respiratory system does the oxygen from the air we breathe in pass into our blood? Tick the correct answer. - alveoli - bronchus - trachea 7. The circulatory system helps oxygen-rich blood travel around our body to different organs. - true - false 8. Why do we breathe out carbon dioxide?

[Terjawab] Which of the following is the part of the endocrine system that produces melatonin and regulates sleep patterns? A. Pituitary gland B. Pineal gland C. Thymus gland D. Adrenal glands