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Questions in biology

[Answered] Differentiate between: 1. Homologous and analogous structures 2. Inbreeding and outbreeding

[Answered] (i) State two raw materials necessary for photosynthesis to occur in flowering plants. (ii) How does the root of a plant obtain energy for photosynthesis?

[Answered] QUESTION 9 (1 mark) The Ten Percent Law is a rule that is applied as energy passes from one trophic level to the next. What does the Ten Percent Law state? QUESTION 10 (1 mark) When does combustion occur? QUESTION 11 What is the major cause of most extinctions occurring on the planet today? (1 mark)

[Answered] Answer the following questions by marking the correct option: a. If both assertion and reason are true and reason is the correct explanation of assertion. b. If both assertion and reason are true and reason is not the correct explanation of assertion. c. If assertion is true but reason is false. d. If both assertion and reason are false. 1. Assertion: Malaria is caused by Protozoa. Reason: The disease is transmitted by mosquito. 2. Assertion: Algae are heterotrophic. Reason: They do not have chlorophyll.

[Answered] What is stored in carbon bonds? A. water B. energy C. glucose D. ATP

[Answered] Saba got a doll for her birthday. The doll could walk and talk on pushing a button. Is the doll a living thing or a non-living thing? Why do you think so?

[Answered] Which is the highest flying migratory bird? How high can it fly?

[Answered] 1. What are the two main types of leaves based on blade structure? 2. How does the leaf help the plant make food? 3. Why is transpiration important in plants? 4. What is the role of the midrib in a leaf? 5. Give one adaptation of leaves in desert plants.

[Answered] Which group of archaea are found in volcanic vents and hot vapors that contain either obligate aerobes, facultative aerobes, or obligate anaerobes? A. Psychrophiles B. Halophiles C. Acidophiles D. Hyperthermophiles From the fungal diseases given below, which one is transmitted sexually? A. Tineas B. Dermatophytosis C. Aspergillosis D. Candidiasis This item is based on the following choices of feeding habit employed by organisms. I. Using nutrients dissolved in the surrounding medium II. Manufacturing own nutrients by photosynthesis III. Depending on other plants or animals for food Which method/s the protozoan used to get their nutrition? They employed A. I, II and III. B. II and III only. C. I and II only. D. I only. Which one of the following diseases is correctly matched with its symptoms and method of transmission? A. Rabies - swollen and painful protid glands - through infected saliva B. Polio - commonly no sign and symptoms - fecal-oral-route C. Measles - paralysis and hydrophobia - bite from infected animals D. Chickenpox - runny and stuffy nose - respiratory droplets

[Answered] Which organelle packages and distributes proteins that are received from the endoplasmic reticulum? A. vacuole B. cytoplasm C. Golgi apparatus D. ribosome