Biology MCQs

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A goitre which is also called a bronchoce is a swelling in the neck. It is commonly developed as a result of iodine deficiency or the inflammation of the thyroid gland.

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Vitamin K is required for Normal Blood Circulation. Vitamin K is a fat-soluble vitamin which plays a key role in helping the blood clot, preventing excessive bleeding.

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Albumin is most abundant in eggs. Albumin is a family of globular proteins are water-soluble, moderately soluble in concentrated salt solutions, and experience heat denaturation. Substances which contain albumins are called albuminoids.

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The insect “Apis mellifera” is commonly known as the honey bee. The Western honey bee is the most common of the 7–12 species of honey bees worldwide. The genus name “Apis” is Latin for “bee”, and “mellifera” is Latin for “honey-bearing” or “honey carrying”.  Honey bees are known for their role in pollination. They were domesticated for honey production and crop pollination. Honey bees produce honey, wax, propolis, and royal jelly.  Honey bees are red/brown with black bands and orange yellow rings on their abdomen. They have hair on their thorax and less hair on their abdomen. The workers and queens have stingers, whereas the drones are stingless.

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Biomechatronics is an applied interdisciplinary science that aims to integrate mechanical elements, electronics and parts of biological organisms. Biomechatronics includes the aspects of biology, mechanics, and electronics. It also encompasses the fields of robotics and neuroscience. The goal of this science is to make devices that interact with human muscle, skeleton, and nervous systems. The end result is that the devices will help with human motor control that was lost or impaired by trauma, disease or birth defects.

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Xerophytes can tolerate and stand against drought conditions. They are able to survive in an environment with little liquid water, such as a desert or an ice- or snow-covered region in the Alps or the Arctic.

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Organisms in the class Mammalia all have milk producing mammary glands; cells with a membrane-bounded nucleus and a dorsal hollow nerve cord. Chitin in Cell Walls is the feature of Kingdom fungi.

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Birds evolved from theropod dinosaurs during the Jurassic around 165–150 million years ago. Birds aren’t just closely related to dinosaurs, they really are dinosaurs! This is what most people mean when they say that birds are reptiles, although technically according to the phylogenetic system mammals are also reptiles.

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Wheat leaf rust is a fungal disease that affects wheat, barley and rye stems, leaves and grains. Its infections can lead up to 20% yield loss, which is exacerbated by dying leaves, which fertilize the fungus. The pathogen of rust is Puccinia rust fungus.

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Cod liver oils from fish are rich in vitamins A and D and hence these are recommended for the chikdren to prevent the rickets(bone deformation).