31. What is the function of Meissner corpuscles present in the papillary region?
[A] touch sensations
[B] Sensation of warmth
[C] sensation of coolness
[D] pain sensations
Show Answer
Correct Answer: A [touch sensations ]
Notes:
Meissner corpuscles consist of a cutaneous nerve ending responsible for transmitting the sensations of fine, discriminative touch and vibration.
32. Which of the following makes bones so strong?
[A] Silica
[B] Cartilage
[C] Blood and marrow
[D] Calcium and phosphorous
Show Answer
Correct Answer: D [Calcium and phosphorous]
Notes:
Calcium and phosphorus are the minerals that give bones their strength.
33. What is the shape of the stomach?
[A] J – shaped
[B] S – shaped
[C] O – shaped
[D] None of these
Show Answer
Correct Answer: A [J – shaped]
Notes:
The stomach is a J-shaped organ and is present on the left side of the abdomen.
34. Which of the following act as both endocrine as well as exocrine gland?
[A] Pancreas
[B] Liver
[C] Intestine
[D] Stomach
Show Answer
Correct Answer: A [Pancreas]
Notes:
The pancreas is a gland that is both endocrines as well as exocrine; It is because it secretes both hormones as well as enzymes.
35. Which of the following happens during ovulation?
[A] releasing the eggs from the ovaries
[B] creates the birth canal
[C] carrying the ovum to the uterus
[D] All of the above
Show Answer
Correct Answer: A [releasing the eggs from the ovaries]
Notes:
Ovulation is the process of releasing eggs from the ovary.
36. Lassa and Ebola are emergent viruses in W. Africa. What is their origin?
[A] Humans
[B] Primates
[C] Fruit bats
[D] Pigs
Show Answer
Correct Answer: C [Fruit bats]
Notes:
Lassa and Ebola are emergent viruses in W. Africa originated by Fruit bats. Ebola hemorrhagic fever is caused by Ebola virus infection.
37. Which metal microparticles are used in gene guns?
[A] Aurum
[B] Nitrogen
[C] Magnesium
[D] Cuprum
Show Answer
Correct Answer: A [Aurum]
Notes:
The gene gun technique uses gold-coated microparticles along with the DNA. Aurum is a Latin word for gold. The other metal used for this technique is tungsten.
38. What does Insulin do?
[A] Increases blood sugar
[B] Decreases blood sugar
[C] Constricts blood vessels
[D] Stimulates lactation
Show Answer
Correct Answer: B [Decreases blood sugar]
Notes:
Insulin is central to regulating carbohydrate and fat metabolism in the body. It stops the use of fat as an energy source by inhibiting the release of glucagon. It removes excess glucose from the blood, which otherwise would be toxic. Insulin helps blood sugar enter the body’s cells so it can be used for energy. Insulin also signals the liver to store blood sugar for later use. Blood sugar enters cells, and levels in the bloodstream decrease, signaling insulin to decrease too.
39. Jellyfish are an example of which type of phylum?
[A] Phylum -Protozoa
[B] Phylum -Porifera
[C] Phylum – Cnidaria
[D] Phylum -Ctenophora
Show Answer
Correct Answer: C [Phylum – Cnidaria]
Notes:
Cnidarian, also called coelenterate, any member of the phylum Cnidaria (Coelenterata), a group made up of more than 9,000 living species. ? Mostly marine animals, the cnidarians include the corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans.
40. To digest protein which of the enzyme is present in pancreatic juice?
[A] Pepsin
[B] Upes
[C] Trypsin
[D] Amaylase
Show Answer
Correct Answer: C [Trypsin]
Notes:
Trypsin is an enzyme that helps us digest protein. In the small intestine, trypsin breaks down proteins, continuing the process of digestion that began in the stomach. It may also be referred to as a proteolytic enzyme, or proteinase. Trypsin is produced by the pancreas in an inactive form called trypsinogen. The trypsinogen enters the small intestine through the common bile duct and is converted to active trypsin.
