1. The web of the spider is made up of which among the following?
[A] Carbohydrate Polymers
[B] Proteins
[C] Lipids
[D] Polysaccharides
Show Answer
Correct Answer: B [Proteins]
Notes:
Spiders use their silk to make web. Spider silk is made out of protein.
2. Least generative power is a feature of which among the following cells of Human Body?
[A] Brain
[B] Bones
[C] Skin
[D] Liver
Show Answer
Correct Answer: A [Brain]
Notes:
The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system. It is considered to have the Least generative power.
3. Which among the following cell organelles is essential for Cellular respiration?
[A] Endoplasmic Reticulum
[B] Golgi Body
[C] Mitochondrion
[D] Lysosomes
Show Answer
Correct Answer: C [Mitochondrion]
Notes:
Mitochondrion is essential for Cellular respiration. Mitochondria are also responsible for generating clusters of iron and sulphur. Iron and Sulphur are important cofactors of many enzymes.
4. Which of the following vertebrae are found in Neck ?
[A] Cervical
[B] Thoracic
[C] Lumbar
[D] None
Show Answer
Correct Answer: A [Cervical]
Notes:
Cervical vertebrae are found in neck. The cervical vertebrae of the spine is consisted of seven bony rings that reside in the neck between the base of the skull and the thoracic vertebrae in the trunk.
5. Artificial Kidney or blood dailyzer which is used in renal failure or Kidney disorders works on the principles of _________?
[A] Imbibition & Osmosis
[B] Plasmolysis & Osmosis
[C] Diffusion & osmosis
[D] Diffusion only
Show Answer
Correct Answer: C [Diffusion & osmosis]
Notes:
Hemodialysis is a procedure where a dialysis machine and a special filter called an artificial kidney, or a dialyzer, are used to clean your blood. It works on the principles of Diffusion & osmosis.
6. A genetic code specifies how many kinds of amino acids?
[A] 12
[B] 15
[C] 20
[D] 25
Show Answer
Correct Answer: C [20]
Notes:
There are as many as 100 thousand kinds of proteins that constitute the body, and these comprise only 20 kinds of amino acids in various combinations.
7. Which of the following statements is NOT true regarding the Vitamin C?
[A] Only Vitamin C is to be taken externally, all others are produced in the human body.
[B] Vitamin C is the only vitamin which is also a hormone.
[C] Scurvy is caused by the deficiency of Vitamin C
[D] Vitamin C is a water-soluble vitamin.
Show Answer
Correct Answer: B [Vitamin C is the only vitamin which is also a hormone.]
Notes:
Vitamin C is a water-soluble vitamin. Scurvy is caused by the deficiency of Vitamin C. Human body cannot produce vitamin C hence it is taken externally. Vitamin C is not a hormone.
8. With reference to classification of the flora and fauna, the meaning of term “Taxon” is __?
[A] A group of same species
[B] A group of organisms with same chromosome number
[C] A group of category of organisms
[D] A group of same genera
Show Answer
Correct Answer: C [ A group of category of organisms]
Notes:
In biology, a taxon (plural taxa; back-formation from taxonomy) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit.
9. 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.
10. Which instrument is used to detect ulcers in stomach?
[A] Endoscope
[B] Cystoscope
[C] Ureteroscope
[D] Cardiograph
Show Answer
Correct Answer: A [Endoscope]
Notes:
An endoscopy is used in medicine to look for the ulcers in the stomach. The endoscopy procedure uses an endoscope to examine the interior of a hollow organ or cavity of the body. Unlike many other medical imaging techniques, endoscopes are inserted directly into the organ.
