1. Plasmodium falciparum, which causes malaria in humans is kept in which among the following groups?
[A] Bacteria
[B] Viruses
[C] Protozoans
[D] Fungi
Show Answer
Correct Answer: C [Protozoans]
Notes:
Plasmodium, a tiny protozoan is responsible for malarial disease. Different species of Plasmodium (P. vivax, P. malaria and P. falciparum) are responsible for different types of malaria. Of these, malignant malaria caused by Plasmodium falciparum is the most serious one and can even be fatal.
2. Which of the following Vitamin is essential for the formation of collagen?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D
Show Answer
Correct Answer: C [Vitamin C]
Notes:
Vitamin C is essential for the formation of collagen. The process of collagen synthesis occurs mainly in the cells of fibroblasts which are specialized cells with the main function of synthesizing collagen and stroma.
3. Which among the following correctly defines Hypoglycemia ?
[A] Lower than normal level of thyroxin secretion
[B] Lower than normal level of protein
[C] Lower than normal secretion of one or more of the eight hormones normally produced by the pituitary gland
[D] Lower than normal level of blood glucose
Show Answer
Correct Answer: D [Lower than normal level of blood glucose]
Notes:
Hypoglycemia is a condition in which your blood sugar which is also called as glucose is lower than normal in human body. Diabetes treatment and other conditions can cause hypoglycaemia.
4. Plants growing on marshy areas are commonly called as _____?
[A] Oxylophytes
[B] Lithophytes
[C] Helophytes
[D] Psilophytes
Show Answer
Correct Answer: C [Helophytes]
Notes:
Helophyte are those plants which are typical of marshy or lake-edge environments, in which the perennating organ lies in soil or mud below the water level, but the aerial shoots protrude above the water for air.
5. ‘Pace-maker’ is associated with which of the following body organs?
[A] Liver
[B] Brain
[C] Heart
[D] Lungs
Show Answer
Correct Answer: C [Heart]
Notes:
A pacemaker is a small device that’s placed in the chest or abdomen to help control abnormal heart rhythms. This device uses electrical pulses to prompt the heart to beat at a normal rate.
6. Cattle quickly swallow grass and store it in which of its body parts?
[A] Rumen
[B] Esophagus
[C] Small intestine
[D] Salivary glands
Show Answer
Correct Answer: A [Rumen]
Notes:
Cattle quickly swallow grass and store it in rumen. The rumen serves as a large fermentation vat in which bacteria and other microorganisms reside. The rumen, also known as a paunch, forms the larger part of the reticulorumen
7. How does a Unicellular Organism reproduce?
[A] Cell reproduction
[B] Cell division
[C] Fragmentation
[D] Cell synthesis
Show Answer
Correct Answer: B [Cell division]
Notes:
Cell division is the process by which a Unicellular Organism reproduce and divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.
8. The vocal cords in men are about how many mm long?
[A] 40mm
[B] 20mm
[C] 10mm
[D] 30mm
Show Answer
Correct Answer: B [20mm]
Notes:
The vocal cord in women is about 15 mm long; in men vocal cords are about 20 mm long and children have very short vocal cords.
9. What is the time taken by the rashes to appear on the body of the patient after the Measles attack?
[A] One day
[B] Four days
[C] Six days
[D] One week
Show Answer
Correct Answer: B [Four days]
Notes:
Measles is a very infectious and potentially serious illness that is caused by a type of virus called paramyxovirus. It is spread from person to person by coughing, sneezing or sometimes kissing. Symptoms will usually begin to show 10 to 14 days after infection with the measles virus. A person with measles is infectious for 2-4 days before the rash appears (when there may be symptoms of fever and tiredness), and for up to 4 days after the rash has appeared.
10. Which of the following is the most common use of the reserprine derived from the plant ‘Serpentina’?
[A] Alleviate pain
[B] Alleviate high blood pressure
[C] Alleviate low blood pressure
[D] Cure rickets
Show Answer
Correct Answer: B [Alleviate high blood pressure]
Notes:
Reserpine drug is derived from the roots of certain species of the tropical plants. It is derived from the powdered whole root of the Indian shrub Rauwolfia serpentine. It can be used to treat snakebites, insomnia, hypertension (high blood pressure), and insanity.
