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. In genetics, the Reverse transcriptase helps in which among the following transcriptions?
[A] Single stranded DNA into double stranded DNA
[B] Single stranded RNA into double stranded DNA
[C] Single Stranded RNA into double stranded RNA
[D] Double Stranded DNA into single stranded RNA
Show Answer
Correct Answer: B [Single stranded RNA into double stranded DNA]
Notes:
Reverse transcriptase helps in Single Stranded RNA into double stranded RNA transcriptions. Reverse transcriptase (RT), also known as RNA-dependent DNA polymerase. It is used to generate complementary DNA (cDNA) from an RNA template.
3. Effective TB treatment is difficult because of the unusual structure and chemical composition of the which among the following parts of the cells of Tuberculosis Bacteria (Mycobacterium tuberculosis)?
[A] Cell membrane
[B] Cell wall
[C] Nucleus
[D] Plasama
Show Answer
Correct Answer: B [Cell wall]
Notes:
TB is bacterial disease caused by “Mycobacterium tuberculosis” bacteria that most often affect the lungs. The disease is spread from person to person through the air. It commonly affects the lungs but can also affect other parts of the body. It is the second biggest killer disease worldwide next only to HIV/AIDS. It can be completely cured with proper and regular medication
4. Which among the following glands secrets Adrenocorticotrophic Hormone?
[A] Adrenal
[B] pancreas
[C] pituatry
[D] Thyriod
Show Answer
Correct Answer: C [pituatry]
Notes:
The pituitary gland or hypophysis is located in one of the bones at the base of the skull. It has two portions viz. anterior hypophysis and posterior hypophysis.
The anterior part produces two hormones that work directly viz. growth hormone (GH) and prolactin; and four tropic hormones {tropic hormones regulate the other endocrine glands} viz. adrenocorticotropic hormone (ACTH), thyroid-stimulating hormone (TSH), luteinizing hormone (LH) and follicle-stimulating hormone (FSH).
The posterior part releases two hormones produced in the hypothalamus viz. oxytocin and antidiuretic hormone (ADH or vasopressin).
5. Actinomycetes are good source of which of the following ?
[A] Vitamins
[B] Antihistamines
[C] Antibiotics
[D] Antibodies
Show Answer
Correct Answer: C [Antibiotics]
Notes:
The Actinobacteria are a phylum of Gram-positive bacteria. They can be terrestrial or aquatic. It is known to produce a wide variety of industrially and medically relevant compounds like Antibiotics, etc.
6. The correct group of animals that suffer from the “Foot & Mouth ” disease is as follows:
[A] Only Cattle
[B] Cattle & Sheeps
[C] Cattle and Pigs
[D] Cattle, Sheeps and Pigs
Show Answer
Correct Answer: D [Cattle, Sheeps and Pigs]
Notes:
Foot and mouth disease (FMD) or hoof and mouth disease (HMD) is an infectious and sometimes fatal viral disease that affects cloven-hoofed animals. Cattle, Sheeps and Pigs are affected by the Foot & Mouth disease.
7. The term “Halitosis” denotes which among the following?
[A] Bad hearing
[B] bad breathe
[C] Baldness
[D] Excessive Sweating
Show Answer
Correct Answer: B [bad breathe]
Notes:
The term “Halitosis” denotes bad breath. It is the persistent, unpleasant odour in exhaled breath, usually not serious, commonly referred to as bad breath.
8. A treatment with which among the following plant hormones would prevent water loss from the plant leaves, by reducing transpiration, in times of low water availability?
[A] Ethylene
[B] Abscisic Acid
[C] Gibberelic Acid
[D] Auxin
Show Answer
Correct Answer: B [Abscisic Acid]
Notes:
A treatment with abscisic acid would prevent water loss from the plant leaves, by reducing transpiration, in times of low water availability.
9. The young chicks come out of eggs within how many days after being hatched by the hen?
[A] One week
[B] Two weeks
[C] Three weeks
[D] Four weeks
Show Answer
Correct Answer: C [Three weeks]
Notes:
A hen that is committed to hatching chicks is known as a broody. The state of being broody is controlled by instinct, hormones and lighting conditions. Chicken come out of the eggs within the 21 days after being hatched by the hen. Some breeds take a little less and some a little longer. If the egg has not hatched after 25 days, it should be removed from the broody hen or incubator. Eggs need constant heat during the full incubation period for the embryo to develop into a chick.
10. BCG vaccination is to be given to a new born child after what time?
[A] Immediately after birth
[B] Within 48 hours
[C] Within seven days
[D] Within six months
Show Answer
Correct Answer: A [Immediately after birth]
Notes:
Bacillus Calmette Guérin or BCG is usually given around birth to prevent severe TB in infants. The neonatal immune system is immature. Delaying BCG vaccination from birth to 10 weeks of age would enhance the vaccine-induced immune response. The BCG vaccine is an injection given to children who have a higher risk of catching TB. The BCG vaccine helps your child’s immune system fight the germs that cause TB and helps stop them from getting serious TB disease.
