1. Which among the following is not a monosaccharide?
[A] Glucose
[B] Sucrose
[C] Fructose
[D] Galactose
Show Answer
Correct Answer: B [Sucrose]
Notes:
Monosaccharides are simple carbohydrates molecules that cannot be broken down into smaller molecules of other carbohydrates. Glucose and fructose are examples of Monosaccharides.
2. For respiration in deep sea, divers use mixture of:
[A] Oxygen and helium
[B] Oxygen and hydrogen
[C] Oxygen and carbon dioxide
[D] Oxygen, Helium & nitrogen
Show Answer
Correct Answer: D [Oxygen, Helium & nitrogen]
3. What is PRINT (Particle Replication in Non-wetting Templates) Technology ?
[A] It’s a technology related to genetic engineering and refers to duplication of the DNA codes
[B] It’s a technology related to climate change and refers to a new technique of combating air pollution
[C] It’s a new technology related to synthesis of artificial blood
[D] None of them
Show Answer
Correct Answer: C [It’s a new technology related to synthesis of artificial blood]
Notes:
PRINT (Particle Replication in Non-wetting Templates) Technology is a new technology related to synthesis of artificial blood. PRINT method has been widely applied onto material sciences, drug delivery, electronic devices, optics, etc.
4. Which of the following sets is correctly paired in Taxonomy?
[A] Leech, Locust, Sea urchin, Lobster
[B] Star Fish, Jelly Fish, Cuttle Fish, Octopus
[C] Milliped, Crab, Centipede, Cockroach
[D] Round Worm, Earthworm, Flatworm, Silk worm
Show Answer
Correct Answer: C [Milliped, Crab, Centipede, Cockroach]
Notes:
The set Milliped, Crab, Centipede, Cockroach is correctly paired in Taxonomy, referring to the classification of these animals in their biological taxonomy. All belong to Arthropoda, the invertebrate group characterized by an exoskeleton, a segmented body, and jointed appendages. They hold a vast diversity of forms and have more species than any other animal phyla.
5. 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.
6. Anatomically, the beak of birds is equivalent of which of the following?
[A] Teeth
[B] Cheeks
[C] Jaws
[D] None of the above
Show Answer
Correct Answer: C [Jaws]
Notes:
The beak, bill or rostrum is an external anatomical structure of birds that is used for eating and for preening, manipulating objects, killing prey, fighting, probing for food, etc. All beaks are composed of two jaws, generally known as the upper mandible (or maxilla) and lower mandible (or mandible).
7. What is the value of the Least Distance of Distinct vision(in cm) for a normal human being?
[A] 58
[B] 2.5
[C] 50
[D] 25
Show Answer
Correct Answer: D [25]
Notes:
The least distance of distinct vision (LDDV) or the reference seeing distance (RSD) is the closest someone with “normal” vision (20/20 vision) can comfortably look at something. The range of vision of a healthy human eye is between it’s near point and far point i.e, from 25cm to infinity.
8. Why there are more anti-bacterial drugs than anti-viral drugs?
[A] Bacterial diseases are intra-cellular
[B] Viral diseases are intra-cellular
[C] Virus is smaller than bacteria
[D] Drugs can penetrate bacteria more effectively
Show Answer
Correct Answer: B [Viral diseases are intra-cellular]
Notes:
Viruses infect all sorts of cells, from bacteria to human cells, but for the most part tend to be host specific. For example, the tobacco mosaic virus infects certain plants; the rabies virus infects only mammals; and the AIDS virus, HIV, infects only certain human blood cells.
9. It is possible to produce seedless tomato fruits by which of the following processes?
[A] Applying trace elements in tomato fields
[B] spraying mineral solution on plants
[C] spraying hormones on flowers
[D] applying fertilizers containing radioactive elements
Show Answer
Correct Answer: C [spraying hormones on flowers]
Notes:
Seed and fruit development are intimately related processes controlled by internal signals and environmental cues. One method to produce seedless fruit is to develop plants able to produce fruits independently from pollination and fertilization of the ovules.
10. Which gland acts as thermostat of human body?
[A] Pancreas
[B] Pituitary
[C] Thyroid
[D] Hypothalamus
Show Answer
Correct Answer: D [Hypothalamus]
Notes:
Hypothalamus acts as the thermostat of human body as it regulates the body temperature as the same way a thermostat controls the room temperature. It is located in the skull of the human body.
