1. The enzyme “Diastase” is secreted in which among the following?
[A] Oral Cavity
[B] Stomach
[C] Ileum
[D] Duodenum
Show Answer
Correct Answer: A [Oral Cavity]
Notes:
The diastase enzyme converts starch into maltose.
2. In which among the following organ, “Bowman’s Capsule” is found?
[A] Liver
[B] Kidney
[C] Heart
[D] Small intestine
Show Answer
Correct Answer: B [Kidney]
Notes:
Each kidney is made of tube like structures called nephrons (renal tubules). A nephron is the structural and functional unit of the kidney. The cup-shaped upper end called Bowman’s capsule, has a network of capillaries within it called glomerulus. Glomerulus is a knot of capillaries formed from the artery which brings blood containing wastes and excess of water to the kidney. Bowman’s capsule leads into a tubular structure.
3. Sugar , Amino Acids, & Nucleotides are constituents of respectively ___________ ?
[A] Polysaccharides, Proteins. Nucleic Acids,
[B] Proteins, Carbohydrates , Fats
[C] Nucleic Acids. Proteins, Polysaccharides
[D] Polysaccharides, Nucleic Acids. Proteins,
Show Answer
Correct Answer: A [Polysaccharides, Proteins. Nucleic Acids,]
Notes:
Sugar, Amino Acids, & Nucleotides are constituents of respectively Polysaccharides, Proteins and Nucleic Acids. Nucleotides are organic molecules which are the building blocks of nucleic acids.
4. The edible part of Ginger is actually a ________?
[A] modified root
[B] modified stem
[C] modified leaf
[D] none of the above
Show Answer
Correct Answer: B [modified stem]
Notes:
In Ginger the part that we eat is actually the root which is also called as Rhizome of the plant. A rhizome is a modified stem that grows horizontally underground.
5. Which among the following causes ‘Dumdum Fever’ or Kala Azar?
[A] Bacteria
[B] Fungi
[C] protozoa
[D] Virus
Show Answer
Correct Answer: C [protozoa]
Notes:
Kala Azar is also known as Dum dum fever and Visceral leishmaniasis . Its caused by protozoa of Leishmania genus, vector is sandfly
6. Which among the following have been found to produce a protein called Defensin-1, which has been found potential to develop drugs for antibiotic resistant bacteria?
[A] Codfish
[B] Cuttle Fish
[C] Honey bee
[D] Domestic Fly
Show Answer
Correct Answer: C [Honey bee]
Notes:
Defensin-1 is the name of a protein, which has the property of resistance of epithelial surfaces to microbial colonization. This protein has the potential to develop drugs for antibiotic resistant bacteria. Honey bees make this protein and adds to honey and the scientists at the Academic Medical Centre, Amsterdam say that one day the drugs developed by Honey containing Defensin-1 , could combat antibiotic-resistant infections.
7. Gargling with a solution of table salt is known to provide relief for a sore throat because ____ ?
[A] It kills bacteria
[B] It works as analgesic
[C] It dehydrates water from inflammatory tissues by Osmosis
[D] Placebo effect
Show Answer
Correct Answer: C [It dehydrates water from inflammatory tissues by Osmosis]
Notes:
Gargling with salt water provides relief for a sore throat primarily because it dehydrates water from inflammatory tissues through osmosis. This process reduces swelling and discomfort. Saltwater creates a hypertonic solution, drawing excess fluid out of swollen tissues, which can alleviate pain and irritation. Additionally, salt has mild antibacterial properties, but its primary benefit in this context is osmotic dehydration.
8. Which among the following are found in all viruses?
[A] DNA and proteins
[B] Nucleic acid and capsid
[C] DNA and cell membrane
[D] RNA and cell wall
Show Answer
Correct Answer: B [ Nucleic acid and capsid]
Notes:
Viruses are made up of nucleic acid (either DNA or RNA; but not both) surrounded by a protein coat called a capsid. They do not contain a cell wall, proteins, or cell membrane
9. The animals of which of the following sets are collectively called as Elasmobranches?
[A] Shark, Skates and Rays
[B] Shark, Rays and Dolphins
[C] Shark, Skates and Dolphins
[D] Skates, Dolphins and Rays
Show Answer
Correct Answer: A [ Shark, Skates and Rays]
Notes:
The term Elasmobranches is a collective name for the sharks, skates and rays. Elasmobranches have a skeleton made of cartilage, no swim bladders and rough skin made up of small dermal dentils. Elasmobranches are renowned for their highly tuned senses.
10. Which endocrine gland in human body secrets lactogenic hormone?
[A] Pituitary gland
[B] Thyroid gland
[C] Adrenal gland
[D] Pineal gland
Show Answer
Correct Answer: A [Pituitary gland]
Notes:
Lactogenic hormone is a gonadotropic hormone which is secreted by anterior pituitary gland. It stimulates growth of the mammary glands and lactation after childbirth.
