Biology Quiz 5
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- Question 1 of 50
Aspirin is the common name of:
Aspirin is the common name of acetylsalicylic acid (ASA). It is prepared by chemical synthesis from salicylic acid, through acetylation with acetic anhydride. Aspirin is a medication used to reduce substances in the body that cause pain, fever, and inflammation.
- Question 2 of 50
Small Pox is caused by:
Smallpox is an acute contagious disease caused by the variola virus, a member of the orthopoxvirus family. In 1980, the World Health Organization declared that smallpox had been eradicated.
- Question 3 of 50
Respiration process requires:
The respiration process requires oxygen. The main purpose of respiration is to provide oxygen to the cells at a rate adequate to satisfy their metabolic needs. During respiration, inhaled oxygen is used by the cells to produce energy by the breakdown of glucose molecules.
- Question 4 of 50
Which vitamin requires cobalt for its activity?
Vitamin B12, cobalamin, is a cobalt-containing ring-contracted modified tetrapyrrole that represents one of the most complex small molecules made by nature. The core component of cobalamin is the corrin macrocycle that acts as the main ligand for the cobalt.
- Question 5 of 50
Plasma membrane in eukaryotic cells is made up of:
All eukaryotic cells have a surrounding plasma membrane (cell membrane). The plasma membrane is made up of a phospholipid bilayer with embedded proteins that separate the internal contents of the cell from its surrounding environment.
- Question 6 of 50
Which one of the following is also called the power plants of the cell?
Mitochondria (singular: mitochondrion) are the power plants of the cells. They transform energy taken up through nourishment into a form the cells can use for a multitude of necessary metabolic reactions.
- Question 7 of 50
In which of the following processes is energy released?
Cellular respiration releases stored energy in glucose molecules. During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water. The energy released during the reaction is captured by the energy-carrying molecule ATP (adenosine triphosphate). The chemical equation of respiration is: C6H12O6 (glucose) + 6O2 →(releases energy) 6CO2 + 6H2O.
- Question 8 of 50
Animals living in the tree trunks are known as:
Arboreal animals are those animals that spend most of their life on trees. Examples of such animals include chameleons, lizards, green tree pythons, tree snails, koalas, squirrels, cats, monkeys, parrots, etc.
- Question 9 of 50
What happens to a person who receives the wrong type of blood?
If a patient receives a blood type that is incompatible, antibodies that the patient already has in his or her blood will attack the donor’s red blood cells (RBC) and destroy them. This process causes the transfusion reaction.
- Question 10 of 50
If all bullets could not be removed from the gunshot injury of a man, it may cause poisoning by:
Bullets contain lead, and once in the body, it can cause lead poisoning. Most pistol bullets are made of a lead-antimony alloy encased in a soft brass or copper-plated soft steel jacket. In rifle and machine-gun bullets, a soft core of lead is encased in a harder jacket of steel or cupronickel.
- Question 11 of 50
What type of disease is ringworm?
Ringworm is a fungal disease. It is a common infection of the skin that is caused by a type of fungus called dermatophytes.
- Question 12 of 50
The pituitary gland is situated in:
The pituitary gland is a small organ at the base of the brain. It produces and releases several hormones that help carry out important bodily functions. Through secretion of its hormones, the pituitary gland controls metabolism, growth, sexual maturation, reproduction, blood pressure and many other vital physical functions and processes.
- Question 13 of 50
Oxygen, which is vital for life, is a product of photosynthesis. This oxygen comes from:
The oxygen released during photosynthesis is from the water. The plants absorb water as well as carbon dioxide during photosynthesis. Later these water molecules are converted into oxygen and sugar. The oxygen is then released into the atmosphere whereas the sugar molecules are stored for energy.
- Question 14 of 50
From which part of the plant is clove, the commonly used spice, obtained?
Cloves are commonly used as a spice. They are the dried flowers of the tree Syzygium aromaticum.
- Question 15 of 50
Chewing gum is made from:
Chewing gum is made from Latex. It is a sweetened, flavoured confection composed primarily of latex, both natural and artificial. Organic latex, a milky white fluid produced by a variety of seed plants, is best known as the principal component of rubber.
- Question 16 of 50
The brain of human adult weighs about:
The adult human brain weighs on average about 1200–1400 gm which is about 2% of the total body weight.
- Question 17 of 50
Total number of bones in man is:
Men and women have an equal number of bones which is 206. A baby’s body has about 300 bones at birth. These eventually fuse (grow together) to form the 206 bones that adults have.
- Question 18 of 50
Which of the following snakes killed for its beautiful skin has been declared an endangered species?
Python (Ajgar) snakes killed for their beautiful skin have been declared an endangered species. Indian Rock Python is protected under Schedule I of the Wildlife Protection Act 1972. Venomous snakes such as King Cobra and Russell’s Viper are protected under Schedule II of the Wildlife Protection Act 1972. Schedule I covers endangered species that need rigorous protection while Schedule II covers animals accorded high protection.
- Question 19 of 50
The colour of the eye depends upon the pigment present in:
The colour of the eye depends upon the amount and quality of melanin present in the iris. A high concentration of melanin gives the iris a brown color, a moderate concentration of melanin results in a greenish or hazel iris, and a low concentration of melanin results in a blue iris.
- Question 20 of 50
The ability of the eye to see in the dark is due to the production of a purple pigment known as:
The ability of the eye to see in the dark is due to the production of a purple pigment known as Rhodopsin. Rhodopsin, also known as visual purple, is the photopigment used by the rods and is the key to night vision. It is a pigment-containing sensory protein that converts light into an electrical signal.
- Question 21 of 50
Which of the following statements is true?
Compared with other types of grains, whole grains are better sources of fiber and other important nutrients, such as vitamin B, iron, folate, selenium, potassium and magnesium.
- Question 22 of 50
Which of the following animals is dumb?
The giraffe is a quiet animal that seems to have very little to say. Therefore, many assume that the giraffe is dumb.
- Question 23 of 50
The vitamin most readily destroyed by heat is:
Vitamin C, also known as ascorbic acid, is a temperature-sensitive vitamin, so is easily destroyed by heat. It is easily degraded during cooking.
- Question 24 of 50
Which one of the following is not a vaccine?
Progesterone is not a vaccine, it is a hormone released by the ovaries. BCG (bacille Calmette-Guerin) is a vaccine for tuberculosis (TB) disease. The anti-rabies vaccine is a vaccine used to prevent rabies. Polio vaccines are vaccines used to prevent poliomyelitis.
- Question 25 of 50
The disease that is caused by virus is:
Common Cold is caused by viruses. Although many types of viruses can cause a common cold, rhinoviruses are the most common cause. Typhoid is caused by a bacterium called Salmonella typhi. Cholera is caused by Vibrio cholerae bacteria. Tetanus is an infection caused by a bacterium called Clostridium tetani.
- Question 26 of 50
The locomotory organ of ‘Amoeba’ is:
The locomotory organ of Amoeba is Pseudopodia or false feet. Pseudopodia is a temporary or semipermanent extension of the cytoplasm, used in locomotion and feeding by all sarcodine protozoans and some flagellate protozoans.
- Question 27 of 50
The number of chromosomes present in a normal human being are:
Normally, each cell in the human body has 23 pairs (46) of chromosomes (Half come from the mother and the other half come from the father). Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females. Females have two copies of the X chromosome, while males have one X and one Y chromosome.
- Question 28 of 50
An instrument for measuring blood pressure is called:
To measure blood pressure, doctor uses an instrument called a sphygmomanometer, which is more often referred to as a blood pressure cuff.
- Question 29 of 50
The term ‘Rh factor’ refers to:
The term ‘Rh factor’ refers to Rhesus factor. It is an inherited protein found on the surface of red blood cells.
- Question 30 of 50
Chocolates can be bad for health because of a high content of:
Chocolates can be bad for health because of a high content of nickel. Nickel is the most abundant toxic metal and its presence creates a serious risk to children’s health.
- Question 31 of 50
The weight of an average human brain is about:
The adult human brain weighs about 1200–1400 gm which is about 2% of the total body weight. The weight of an average human brain is about 1.36 kg.
- Question 32 of 50
The animal which can tolerate more summer heat is:
Goats tend to be less susceptible to heat stress than animals like cows, donkeys, and buffalos. They can tolerate more summer heat. A healthy adult goat can survive in temperatures ranging from below -18°Celcius and above 38°Celcius.
- Question 33 of 50
According to Darwin’s Theory of Evolution, long necks in giraffes:
Darwin defined evolution as “descent with modification,” the idea that species change over time, give rise to new species, and share a common ancestor. According to Darwin’s Theory of Evolution, long necks in giraffes arose because of a constant attempt to reach leaves on tall trees, generation after generation.
- Question 34 of 50
The tissue in humans where no cell division occurs after birth is:
It is the nerve tissue where no cell division occurs after birth. Cell division is the process by which a parent cell divides into two daughter cells with the same genetic material. There are two types of cell division: mitosis and meiosis. There is absence of centrioles in the nerve cells and because of this they are unable to perform mitosis and meiosis and hence these cells do not divide.
- Question 35 of 50
DNA fingerprinting is used to identify the:
DNA fingerprinting is a technique that shows the genetic makeup of a person or other living things. It is used to establish a link between biological evidence and a suspect in a criminal investigation.
- Question 36 of 50
The normal cholesterol level in human blood is:
The normal cholesterol levels are different depending on age and sex. In adult human blood, It is between 180-200 milligrams per deciliter (mg/dL).
- Question 37 of 50
Which of the following are warm-blooded animals?
Warm-blooded animals are the animals which can maintain a body temperature higher than their environment. Mammals and birds are warm-blooded. Dolphins, whales, seals, sea lions, and otters are all mammals. Some examples of warm-blooded are whales, dogs, lions, cats, vultures, and raccoons. Reptiles, insects, and fish (amphibians) including snakes, lizards, turtles and crocodiles are cold-blooded.
- Question 38 of 50
Syrinx is the voice box in:
The syrinx is the vocal organ of birds. It is located at the base of a bird’s trachea, where the trachea divides into the bronchi (tubes that connect the trachea with the lungs). It produces sounds without the vocal folds of mammals.
- Question 39 of 50
What percentage of the solar energy is trapped and utilised by the plants?
What 1 to 2 percent of the solar energy is trapped and utilised by the plants. Most solar energy occurs at wavelengths unsuitable for photosynthesis. Between 98 and 99 percent of solar energy reaching Earth is reflected from leaves and other surfaces and absorbed by other molecules, which convert it to heat.
- Question 40 of 50
Which of the following metals causes Itai-Itai disease?
Itai-itai disease is a well-known health hazard induced by cadmium (Cd) that was first reported in the Cd-polluted Jinzu River basin of Toyama Prefecture, Japan.
- Question 41 of 50
In coriander, the useful parts are:
Coriander is an annual herb. Its Fresh leaves and dried seeds are most commonly used as food.
- Question 42 of 50
Which plant is called ‘Herbal Indian Doctor’?
Amla is called ‘Herbal Indian Doctor’ due to its immunity. The Vitamin C content of Amla makes it an excellent source of building immunity and metabolism. It is known to fight both viral and bacterial ailments efficiently and reducing the impact of various health problems.
- Question 43 of 50
The pH of human blood is:
The normal pH range of human blood is 7.35 to 7.45. This means that blood is naturally slightly alkaline or basic.
- Question 44 of 50
Which amongst the following is the largest endocrine gland in the body?
Thyroid gland is the largest endocrine gland of our body. It is located in the front of the neck, wrapped around the windpipe (trachea). It plays a major role in the metabolism, growth and development of the human body.
- Question 45 of 50
The noble gas used for the treatment of cancer is:
Noble gas (inert gases) are odorless, colorless, and have a very low reactivity rate. The six naturally occurring noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radioactive radon (Rn). Radon due to its radioactive nature is used in the treatment of cancer (Radiotherapy).
- Question 46 of 50
Saliva helps in the digestion of:
Saliva contains a special enzyme called amylase that helps digest the starches in food. Amylase breaks down starches (complex carbohydrates) into sugars, which the body can more easily absorb. Saliva also contains an enzyme called lingual lipase, which breaks down fats.
- Question 47 of 50
The longest bone in the human body is:
The femur (thigh bone) is the longest, largest and strongest bone in the human body. It is almost 19.9 inches long. Tibia (lower leg bone) is the second-longest (16.9 inches) bone in the human body.
- Question 48 of 50
Red data book gives information about species which are:
The Red Data Book is a public document that is created for recording endangered and rare species of plants, animals, fungi as well as some local subspecies that are present in a particular region. This book is mainly created to identify and protect those species which are on the verge of extinction.
- Question 49 of 50
White lung disease is prevalent among the workers of:
White lung disease is prevalent among the workers of Asbestos industry. White lung is another name for asbestosis. Asbestosis is an asbestos-related medical condition where the lungs become damaged and scarred because of asbestos fibers. Asbestosis is caused by the prolonged inhalation of asbestos fibres.
- Question 50 of 50
Iodoform is used as an:
Iodoform (triiodomethane) is a yellow, crystalline solid belonging to the family of organic halogen compounds. It is used as an antiseptic component of medications for minor skin diseases.