1. The most common use of ‘silicone hydrogels’ is making of which among the following?
[A] Surgery Equipments
[B] Contact Lenses
[C] Breast Transplants
[D] Capsules of medicines
Show Answer
Correct Answer: B [Contact Lenses]
Notes:
Silicone hydrogel and regular hydrogel lenses both are made of plastics that are hard when dry but readily absorb water and become soft and gel-like when hydrated. They are most commonly used in making Contact Lenses.
2. An example of Protozoa, Anthropod, Aves, Mammal & Reptile is respectively __________?
[A] Amoeba, Lizard, Scorpion , Bat, Hen
[B] Amoeba, Scorpion, Hen, Bat , Lizard
[C] Amoeba, Scorpion, Bat ,Hen, Lizard
[D] Lizard, Amoeba, Scorpion, Bat ,Hen
Show Answer
Correct Answer: B [Amoeba, Scorpion, Hen, Bat , Lizard]
Notes:
An example of Protozoa, Anthropod, Aves, Mammal & Reptile is Amoeba, Scorpion, Hen, Bat , Lizard respectively.
3. Which among the following is the first country to issue research licenses for human embryonic cloning to create stem cells?
[A] United States
[B] Australia
[C] Germany
[D] Britain
Show Answer
Correct Answer: D [Britain]
Notes:
Britain is the first country to issue research licenses for human embryonic cloning to create stem cells. The cloning procedure involves the process of combining a patient’s body cell with an unfertilized egg cell from a donor.
4. Which among the following Vitamin is added to the milk in some countries as it is lost during the process of Fat Removal (Skimming)?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D
Show Answer
Correct Answer: A [Vitamin A]
Notes:
Vitamin A is added to the milk in some countries as it is lost during the process of Fat Removal called Skimming. Vitamin A is important for good vision, a healthy immune system, and cell growth.
5. Deposition of which among the following in the joints, causing inflammation is reason of Gout, one of the forms of arthritis?
[A] Lactic Acid
[B] Oxalic Acid
[C] Acetic Acid
[D] Uric Acid
Show Answer
Correct Answer: D [Uric Acid]
Notes:
Gout is caused by deposition of uric acid crystals in the joint, causing inflammation. There is also an uncommon form of gouty arthritis caused by the formation of rhomboid crystals of calcium pyrophosphate known as pseudogout. In the early stages, the gouty arthritis usually occur in one joint, but with time, it can occur in many joints and be quite crippling. The joints in gout can often become swollen and lose function.
6. The radiations used in Radiotherapy for the treatment of Cancer destroys the Cancer tumour mainly by which among the following?
[A] Destroying the Cytoplasm of the Cancerous Cells
[B] Destroying the Cell membranes of the Cancerous Cells
[C] Destroying the DNA of the Cancerous Cells
[D] Destroying the spindle fibres which are used in Cell Division
Show Answer
Correct Answer: C [ Destroying the DNA of the Cancerous Cells]
Notes:
The radiations used in Radiotherapy for the treatment of Cancer destroys the Cancer tumour mainly by Destroying the DNA of the Cancerous Cells. It uses high doses of radiation to kill cancer cells and shrink tumors.
7. Which of the following is most inclusive category of classification among others?
[A] Order
[B] Class
[C] Phylum
[D] Family
Show Answer
Correct Answer: C [ Phylum ]
Notes:
The higher the classification category, the more inclusive it is. Here phylum is highest so is most inclusive.
8. Which of the following transports water from the roots of the plant to its leaves?
[A] Xylem
[B] Phloem
[C] Cortex
[D] Both Xylem and phloem
Show Answer
Correct Answer: A [Xylem]
Notes:
Water is passively transported into the roots and then into the xylem. The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
9. Which among the following is the method of growing plants in the absence of soil?
[A] Hydrology
[B] Hydrotectonics
[C] Hydroponics
[D] Hydrochronology
Show Answer
Correct Answer: C [Hydroponics]
Notes:
The method of growing plants in the absence of soil is called as hydroponics. The required suppliments to the plants are supplied through the mineral nutrient solutions.
10. Which among the following is not a viral disease?
[A] Ebola
[B] HIV
[C] H1N1
[D] Tuberculosis
Show Answer
Correct Answer: D [Tuberculosis]
Notes:
Tuberculosis is a bacterial disease where as the remaining three are viral diseases.
Extra info: India is working towards achieving TB free India by 2025.
Nikshay portal is associated with TB.
