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Questions in biology

[Answered] Environmental factors can influence natural selection because they can increase or decrease A. the number of chromosomes in an individual. B. the number of chromosomes in a population. C. the amount of genetic variation in an individual. D. the amount of genetic variation in a population.

[Answered] BOOKLET CODE: 354 15 SUBJECT CODE: 06 58. Identify the typical examples for division Gymnospermae and Angiospermae, respectively? A. Juniper and roses B. Grasses and legumes C. Liverworts and palm trees D. Mosses and ferns 59. A student made a collection of plants having flowers and seeds from his locality and compared their embryo, leaves and stems using hand lens. He found that all his collections contain a single seed leaf embryo, long and thin with parallel veins of leaves and stem contains scattered vascular bundles. Which option contains plants that can be categorized under his collection? A. Grasses, sunflowers, teff and maize B. Grasses, orchids, teff and beans C. Grasses, orchids, teff and maize D. Grasses, orchids, teff and roses

[Answered] Environmental factors can influence natural selection because they can increase or decrease A. the number of chromosomes in an individual. B. the number of chromosomes in a population. C. the amount of genetic variation in an individual. D. the amount of genetic variation in a population.

[Answered] Group the following foods we eat according to the edible plant parts: carrot sugar cane ginger broccoli wheat turnip orange lettuce potato radish cabbage rice apple cauliflower gram brinjal | Roots | Stems | Leaves | Flowers | Fruits | Seeds | |---|---|---|---|---|---| | | | | | | |

[Answered] State four safety measures associated with energy transformation. Define the term osmosis and give two roles of osmosis in living things.

[Answered] What danger did the wolves that were brought to the northern Rocky Mountains present? A. Wolves would kill and eat livestock. B. Wolves are inefficient hunters. C. Wolves are too clever to be successfully tracked. D. Wolves would keep tourists from visiting Yellowstone.

[Answered] II. Taking Care of the Parts of the Digestive System. Guide Questions: 1. How do we take care of the different parts of the digestive system? 2. What are specific measures that we should observe to maintain a healthy digestive system? 3. Why is it important to take care of our digestive system?

[Answered] Foreign material comes into the body during internal respiration. A. True B. False

[Answered] What is the correct order of electron transport compounds from best electron donor to best electron acceptor? NADH -- Fe-S of Complex I -- Q -- Fe-S of Complex III -- Cyt c-- Cyt a of Complex IV -- $O _2$ $O _2$-- Fe-S of Complex I -- NADH -- Q -- Fe-S of Complex III -- Cyt c -- Cyt a of Complex IV $O _2$-- Cyt a of Complex IV -- Cyt c -- Fe-S of Complex III -- Q -- Fe-S of Complex I -- NADH NADH -- Cyt c -- Fe-S of Complex I -- Q -- Fe-S of Complex III -- Cyt $a$ of Complex IV-- $O _2$

[Answered] 1. A: Air is considered to be a matter. R: Air has all the properties of matter. 2. A: We can easily move our hand in air. R: The particles of air are very close to each other. 3. A: Light and heat are not considered as matter. R: They don't have mass. 4. A: The particles of gases have high kinetic energy. R: Interparticle forces for gases are very less. 5. A: Ice floats on water. R: Density of ice is less than that of water.