Study HubHubPage 29/62Scan verified MCQs with the answer highlighted, then open explanations when you want the reasoning.
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Endocrine System
Which part of the human body is involved in controlling blood sugar levels?
The Islets of Langerhans in the pancreas produce insulin and glucagon, hormones that regulate blood sugar levels. The other options do not have a primary role in blood sugar control.
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Skeletal System
How many bones are present in the face?
The human face is composed of 14 bones, including the nasal bones, maxillae, zygomatic bones, and others. Option A correctly states this number.
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Microscopy
Microorganisms can only be seen with a piece of equipment called a ________?
Microorganisms are too small to be seen with the naked eye and require a microscope, which magnifies small objects, to be observed. Telescopes and spectroscopes are used for different purposes and cannot be used to see microorganisms.
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Plant Anatomy
Cotyledons are very important because they ________?
Cotyledons are important because they store food that nourishes the developing seedling until it can perform photosynthesis on its own.
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Fruit Development
Which of these fruits develops from an inflorescence?
Pineapple is a multiple fruit that develops from an inflorescence, where many flowers cluster and fuse together to form the fruit. Apples, guavas, and grapes develop from single flowers, not inflorescences.
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Plant Biology
The process in which a seed grows into a new plant is called _______.
The process by which a seed develops into a new plant is called germination. Fertilization is the fusion of male and female gametes, and vernalization is the induction of flowering by cold treatment.
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Liver And Its Diseases
The study of the liver and its diseases is called?
Hepatology is the branch of medicine that studies the liver, its functions, and its diseases. The other options refer to different fields: Mycology is the study of fungi, Angiology is the study of blood vessels, and Otology is the study of the ear.
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Respiration In Amphibians
There are __________ types of respiration that take place in frogs.
Frogs utilize three types of respiration: cutaneous (through the skin), pulmonary (through the lungs), and buccopharyngeal (through the lining of the mouth). Hence, the correct answer is 3.
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Human Anatomy And Diseases
Arthritis is a disease of?
Arthritis is a medical condition characterized by inflammation and disorder of the joints, causing pain and stiffness. Therefore, it is correctly identified as a disorder of the joints.
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Invertebrate Anatomy
Leech has __________ number of brains.
Leeches have a relatively simple nervous system with two distinct brains: an anterior (head) brain and a posterior (tail) brain. They do not have zero brains. The anterior brain includes the supraesophageal and subesophageal ganglia, while the posterior brain is formed by fused ganglia at the tail end. Therefore, the answer 'Zero' is incorrect. The correct answer is 'None of these' since the options do not list the exact number of brains (two) that leeches possess.