NEET UG BIOLOGY Multiple Choice Questions (MCQs)
NEET UG Biology - Human Physiology Questions
-
Which of the following is a type of excretion where organisms eliminate nitrogenous waste primarily in the form of ammonia?
- A) Ureotelism
- B) Ammonotelism
- C) Uricotelism
- D) Osmoregulation
Answer: B) Ammonotelism
-
In humans, which of the following is the main excretory organ?
- A) Heart
- B) Liver
- C) Kidney
- D) Lungs
Answer: C) Kidney
-
The process by which the kidneys remove excess water, salts, and urea from the blood to form urine is called:
- A) Filtration
- B) Reabsorption
- C) Excretion
- D) Urine formation
Answer: D) Urine formation
-
Which of the following hormones plays a key role in regulating kidney function by increasing water reabsorption?
- A) Renin
- B) ADH (Antidiuretic hormone)
- C) Aldosterone
- D) Insulin
Answer: B) ADH (Antidiuretic hormone)
-
Which of the following disorders is caused by a defect in the kidneys' ability to concentrate urine, resulting in excessive urination and thirst?
- A) Renal failure
- B) Diabetes insipidus
- C) Uraemia
- D) Nephritis
Answer: B) Diabetes insipidus
-
Which of the following is a nitrogenous waste that is eliminated by organisms like reptiles and birds in the form of solid uric acid?
- A) Urea
- B) Uric acid
- C) Ammonia
- D) Creatinine
Answer: B) Uric acid
-
Renal failure is primarily characterized by:
- A) Excessive urination
- B) Inability to remove waste products and maintain fluid balance
- C) Difficulty in urine formation
- D) Increased blood sugar levels
Answer: B) Inability to remove waste products and maintain fluid balance
-
Which of the following hormones is involved in regulating blood pressure by promoting sodium reabsorption in the kidneys?
- A) Renin
- B) ADH
- C) Atrial Natriuretic Factor
- D) Aldosterone
Answer: D) Aldosterone
-
Which of the following is a disorder characterized by the presence of kidney stones?
- A) Renal failure
- B) Uraemia
- C) Renal calculi
- D) Nephritis
Answer: C) Renal calculi
-
The process of dialysis is used to treat patients with:
- A) Hypertension
- B) Renal failure
- C) Diabetes
- D) Asthma
Answer: B) Renal failure
-
Which of the following is the main function of skeletal muscles?
- A) Storage of minerals
- B) Contractile proteins for movement
- C) Production of red blood cells
- D) Production of hormones
Answer: B) Contractile proteins for movement
-
Which of the following types of muscle movement is characteristic of cilia and flagella?
- A) Skeletal muscle contraction
- B) Smooth muscle contraction
- C) Ciliary movement
- D) Muscular contraction
Answer: C) Ciliary movement
-
The condition caused by the progressive weakening of the skeletal muscles due to the loss of muscle tissue is called:
- A) Myasthenia gravis
- B) Muscular dystrophy
- C) Arthritis
- D) Osteoporosis
Answer: B) Muscular dystrophy
-
Which of the following conditions is characterized by the inflamed and swollen joints, commonly affecting older adults?
- A) Osteoporosis
- B) Gout
- C) Arthritis
- D) Tetany
Answer: C) Arthritis
-
Which of the following is a degenerative bone disease that causes the bones to become weak and brittle, making them prone to fractures?
- A) Gout
- B) Osteoporosis
- C) Arthritis
- D) Myasthenia gravis
Answer: B) Osteoporosis
<< Previous Page l Next Page >>
Note/Caution: studentsbizz.com does not promise a job or an interview in exchange for money. Fraudsters may ask you to pay under the pretext of a registration fee or refundable fee, but please be aware that legitimate employers will not require such payments.
Join in Our Groups
@ 2025 Students Bizz Platform. All Rights Reserved.