461. Mangifera indica is the scientific name of –

1. Guava
2. Mango
3. Amla
4. Jack fruit

Option “2” is correct
Mangifera Indica is scientific name of Mango.
462. Crabs belongs to the phylum –

1. Mollusca
2. Cnidaria
3. Arthropoda
4. Platyhelminthes

Option “3” is correct
Crabs belongs to the phylum Arthropoda.
463. Prawns belong to which family?

1. Crustaceans
2. Fish
3. Amphibians
4. Reptiles

Option “1” is correct
Prawns are crustaceans similar in appearance to shrimps, but they can be distinguished by the gill structure which is branching in prawns and not in shrimp.
464. Vitamin A is also known as _____.

1. Thiamine
2. Riboflavin
3. Retinol
4. Calciferol

Option “3” is correct
Vitamin A is also known as retinol because it produces the pigments in the retina of the eye. Vitamin A promotes good vision, especially in low light.
465. What is the basic unit of heredity?

1. DNA
2. RNA
3. Chromosome
4. Gene

Option “4” is correct
A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins.
466. Which drug is used for Pain Relief?

1. Risedronate
2. Tramadol
3. Folic Acid
4. Bupropion

Option “2” is correct
Tramadol is used to treat moderate to moderately severe pain.
467. Bovidae Ovis is the scientific name of _____.

1. Goat
2. Cow
3. Buffalo
4. Sheep

Option “4” is correct
Bovidae Ovis is the scientific name of Sheep.
468. Which of the following is secreted by the liver?

1. Glucose
2. Iodine
3. Cortisol
4. Bile

Option “4” is correct
Bile is produced continuously by the liver (liver bile), and stored and concentrated in the gallbladder (gallbladder bile).
469. Leptospirosis is a disease caused by-

1. Virus
2. Fungus
3. Protozoa
4. None

Option “4” is correct
Leptospirosis is a bacterial disease that affects humans and animals. It is caused by bacteria of the genus Leptospira.
470. Hepatitis affects which organ of the human body?

1. Liver
2. Pancreas
3. Spleen
4. Small intestine

Option “1” is correct
Hepatitis is inflammation of the liver. An inflamed liver can affect people in different ways, causing a loss of appetite, nausea, vomiting and fatigue.
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