1. 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.
2. Which among the following cells is capable to develop in any of the type of cell?
[A] Endothelial
[B] Endodermal
[C] Stem
[D] None of the above
Show Answer
Correct Answer: C [Stem]
Notes:
A stem cell is a cell with the unique ability to develop in any of the type of cell. In the future they may be used to replace cells and tissues that have been damaged or lost due to disease.
3. Which among the following is correct ?
[A] Caffeine which is a diuretic is a constituent of coffee but not found in tea
[B] Vitamin C which is also called ascorbic acid can be replaced with citric acid in our food
[C] Citric acid is used in Cola drinks
[D] All are wrong statements
Show Answer
Correct Answer: B [Vitamin C which is also called ascorbic acid can be replaced with citric acid in our food]
Notes:
Vitamin C which is also called ascorbic acid can be replaced with citric acid. Vitamin C is a water-soluble vitamin which is found in many foods, particularly fruits and vegetables. It is a potent antioxidant, and has a positive effects on skin health and immune function.
4. Which among the following was the first vaccine ever to be developed?
[A] Cholera
[B] Smallpox
[C] Rabies
[D] Tetanus
Show Answer
Correct Answer: B [Smallpox]
Notes:
Smallpox vaccine was the first vaccine ever to be developed. Smallpox is an infectious disease which is caused by one of two virus variants, Variola major and Variola minor.
5. The term “Gypsophils” is associated with the people who have liking for which among the following?
[A] Vultures
[B] Eagles
[C] Hawks
[D] Falcons
Show Answer
Correct Answer: A [Vultures]
Notes:
The term “Gypsophils” is associated with the people who have liking for vultures.
6. Amoeba, malarial parasites and typhoid bacillus belongs to which of the following categories? (UPSC Prelims 1983)
[A] Anthropods
[B] Protozoa
[C] Mollusca
[D] Pisces
Show Answer
Correct Answer: B [Protozoa]
Notes:
Protozoa is an informal term for single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris. For example: Amoeba, malarial parasites and typhoid bacillus etc.
7. Neem tree has acquired industrial importance as a source of? (UPSC Prelims 1999)
[A] biopesticide and anti-fertility compound
[B] anti-fertility compound, biofertilizer and anti-cancer drug
[C] biofertilizer, biopesticide and anti- fertility compound
[D] anti-cancer drug, biopesticide and biofertilizer
Show Answer
Correct Answer: A [biopesticide and anti-fertility compound]
Notes:
Neem has been patented by India for its use as biofertilizer, biopesticide and antifertility compound as contraceptive. Neem is a natural herb that comes from the neem tree, other names for which include Azadirachta indica and Indian lilac. The extract comes from the seeds of the tree and has many different traditional uses. Neem is known for its pesticidal and insecticidal properties, but people also use it in hair and dental products.
8. Deficiency in which among the following leads to goitre?
[A] Iodine
[B] Calcium
[C] Phosporous
[D] Zinc
Show Answer
Correct Answer: A [Iodine]
Notes:
Goitre is a disorder caused due to the deficiency of iodine. Malfunction of thyroid gland leads to goitre (Swelling of neck). It is due to the bulge of the thyroid gland.
9. Which blood group is referred to as universal recipient?
[A] AB +ve
[B] AB -ve
[C] O +ve
[D] O -ve
Show Answer
Correct Answer: A [AB +ve]
Notes:
Persons with AB +ve blood group are called as universal recipients as they can get blood from persons with any of the blood groups. AB -ve cannot be regarded as universal donor as it cannot accept blood from persons with Rh factor.
10. The science of taxonomy is related to which of the following?
[A] Plant Classification
[B] Animal Classification
[C] Microorgranism
[D] None of these
Show Answer
Correct Answer: A [Plant Classification]
Notes:
The science of taxonomy is related to Plant Classification. Carl Linnaeus is the father of modern Taxonomy. Linnaeus, in his book System Naturae, has divided all living beings into two kingdoms – the plant kingdom and the animal kingdom.
