31. Which of the following is the correct order of travel of sperm through the female reproductive tract before it reaches the egg?
[A] Vagina > Fallopian tube > Uterus > Cervix
[B] Vagina > Cervix > Uterus > Oviduct
[C] Vagina > Uterus > Cervix > Oviduct
[D] Vagina > Fallopian tube > Cervix > Uterus
Show Answer
Correct Answer: B [Vagina > Cervix > Uterus > Oviduct]
Notes:
Vagina > Cervix > Uterus > Oviduct is the correct order of travel of sperm through the female reproductive tract before it reaches the egg.
32. Malaria is an acute febrile illness caused by__.
[A] Salmonella typhi
[B] Mycobacterium
[C] Plasmodium parasites
[D] Bordetella pertussis
Show Answer
Correct Answer: C [Plasmodium parasites]
Notes:
Malaria is an acute febrile illness caused by Plasmodium parasites. Malaria is a parasitic disease that is transmitted to humans through the bite of infected mosquitoes.
33. Which of the following is not a Degenerative disease?
[A] Hypertension
[B] Atherosclerosis
[C] Obesity
[D] Alzheimer’s disease
Show Answer
Correct Answer: C [Obesity]
Notes:
Obesity is not a Degenerative disease. Degenerative diseases are those diseases, which occur due to aging and result in malfunction or deficiency.
34. The alternate form of a gene is__
[A] Alternate type
[B] Recessive character
[C] Dominant character
[D] Allele
Show Answer
Correct Answer: D [Allele]
Notes:
The alternate form of a gene is Allele. An allele is a variant of a gene.
35. Which of the following is the case with codominance products?
[A] Produced from both the alleles
[B] Produced from one allele
[C] Incompletely produced from both alleles
[D] None are functional
Show Answer
Correct Answer: A [Produced from both the alleles]
Notes:
In the case of codominance, the product is formed from both the alleles. It is expressed in its completeness and no allele dominates the other.
36. What is Alzheimer’s disease?
[A] It affects liver
[B] It is a disorder of the brain
[C] It affects kidney
[D] It affects human immune system
Show Answer
Correct Answer: B [It is a disorder of the brain]
Notes:
Alzheimer’s disease is a progressive neurologic disease of the brain leading to the irreversible loss of neurons and the loss of intellectual abilities, including memory and reasoning. These with time become severe enough to impede social or occupational functioning. Alzheimer’s disease is also known as simply Senile Dementia.
37. In a food chain, the solar energy utilized by plants is only ____:
[A] 10 per cent
[B] 1 per cent
[C] 0.1 per cent
[D] 0.01 per cent
Show Answer
Correct Answer: C [0.1 per cent]
Notes:
Plants, on average, capture only about 0.1 0.4 percent of the solar energy reaching Earth. However, it does not mean that the rest is a “vast untapped reservoir” awaiting man’s exploitation. All biological systems, including crops, follow the second law of thermodynamics when solar energy (a high-energy form) is converted into chemical energy. Plants utilize this chemical energy in the process of building their own tissue.
38. Bone osification test is conducted to as certain human ____:
[A] Tentative age
[B] Drug addiction
[C] Tentative height
[D] Brain efficiency
Show Answer
Correct Answer: A [Tentative age]
Notes:
Ossification is the process of laying down new bone material by cells called osteoblasts. It is synonymous with bone tissue formation. As per scientific evidence, by the age of 25 years nearly all bones are completely ossified in humans. Ossification test is a guess work based on the fusion of joints in the human body b/w birth and age 25. If all joints are fused the person must be of 25yrs of age or older.
39. Which of the following plants is carnivorous?
[A] Cypress Vine
[B] Venus Flytrap
[C] Amaryllis
[D] Hyacinth
Show Answer
Correct Answer: B [Venus Flytrap]
Notes:
The Venus flytrap (Dionaea muscipula) is a carnivorous plant native to subtropical
wetlands on the East Coast of the United States in North Carolina and South Carolina. It catches its prey chiefly insects and arachnids with a trapping structure formed by the terminal portion of each of the plant’s leaves, which is triggered by tiny hairs on their inner surfaces.
40. Normally how many times the human heart beats in a minute?
[A] 72
[B] 75
[C] 82
[D] 85
Show Answer
Correct Answer: A [72]
Notes:
Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per minute (bpm). Conventionally, a normal adult has a heartbeat rate of 72 per minute. However, the heart rate can vary according to the body’s physical needs, including the need to absorb oxygen and excrete carbon dioxide.
