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Top 100 Biology GK Questions

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Q :  

Patients suffering from gouty arthritis due to increased serum uric acid level should minimize intake of which one of the following food components?

(A) dietary fiber

(B) nucleic acid

(C) lipid

(D) carbohydrates

Correct Answer : B
Explanation :

The correct answer is Nucleic Acids. Gout is a type of arthritis that causes inflammation in one joint. It is caused due to the elevated serum uric acid level in the joint. Meat which is generally consumed by humans, including seafood and organ meats, has high levels of nucleic acids.


Q :  

The highly developed process of injecting the sperm directly into the egg is called.

(A) GIFT

(B) ZIFT

(C) AID

(D) ICSI

Correct Answer : D
Explanation :

Intracytoplasmic sperm injection (ICSI) is an infertility treatment. It involves injecting live sperm into a person's eggs in a laboratory. This procedure can create an embryo (fertilized egg). ICSI is a form of in vitro fertilization (IVF).


Q :  

The vas deferens joins with the tube coming from the bladder to form a common passage called

(A) Ureter

(B) Testes

(C) Urethra

(D) Vas Deferens

Correct Answer : C
Explanation :

The sperms are formed in the testes and are transported through the vas deferens into the urethra. This urethral tube unites with a tube coming from the urinary bladder. The urethra thus forms a common passage for both the sperms and urine.


Q :  

In which one of the following parts of the human body does the sperm fertilize the egg?

(A) upper part of uterus

(B) lower part of the uterus

(C) uterine cervix

(D) fallopian tubes

Correct Answer : D
Explanation :

In the fallopian tube, the sperm meets the egg that was released from the ovary during ovulation.


Q :  

In the body of the male reproductive system, the testes are located in a sac outside the abdominal cavity, which is called.

(A) Scrotum

(B) Glands

(C) Seminiferous Tubules

(D) Scrotum

Correct Answer : A
Explanation :

The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum.


Q :  

Which of the following body parts is directly affected in the disease called rickets?

(A) Eyes

(B) Tongue

(C) Spleen

(D) Bones

Correct Answer : D
Explanation :

1. Rickets is a bone disease caused by vitamin D deficiency.

2. Due to rickets, the absorption of calcium and phosphorus in the bones decreases.

3. The solution to protect exclusively breastfed babies from this disease is Vitamin D supplements.


Q :  

Which of the following factors is responsible for the disease called 'Mad Hatter's Disease'?

(A) Inhalation of iron dust

(B) Inhaling silica dust

(C) Mercury poisoning

(D) Vitamin-D deficiency

Correct Answer : C
Explanation :

1. Mercury poisoning is responsible for which of the following diseases called 'Mad Hatter's Disease'?

2. Mad Hatter's Disease is a form of mercury poisoning that affects the brain and nervous system.

3. There is a risk of mental and behavioural changes, such as confusion, hallucination, and irritability etc. in this disease.


Q :  

Which is a specialised excretory cell found in Platyhelminthes that acts like a kidney, removing waste material through filtration?

(A) Fat cell

(B) Flame cell

(C) Stem cell

(D) Sponge cell

Correct Answer : B
Explanation :

1. Which is a special excretory cell found in Platyhelminthes which acts like a kidney, and the flame cell does the work of removing waste material through filtration?


Q :  

Which is the smallest bone in the human body?

(A) Stapes

(B) Phalanges

(C) Humerus

(D) Pelvis

Correct Answer : A
Explanation :

1. The smallest bone in the human body is the stapes.

2. This bone is located in the middle ear.

3. The length of the stapes is about 3 millimeters.


Q :  

Which of the following is NOT a type of blood cell made by the bone marrow?

(A) Osteoclasts

(B) Red blood cells

(C) Platelets

(D) White blood cells

Correct Answer : A
Explanation :

1. There are three types of blood cells made by the bone marrow: red blood cells, white blood cells, and platelets.

2. Red blood cells carry oxygen and carbon dioxide around the body. White blood cells fight infection. Platelets help form blood clots.

3. Bone marrow is a tissue located in the hollow interior of long bones.


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