NEET Zoology 1 — Questions and Answers
Question 1: Which type of muscle tissue is found in the wall of the human heart?
- Smooth muscle
- Skeletal muscle
- Cardiac muscle (Correct answer)
- Striated voluntary muscle
Correct answer: Cardiac muscle
Cardiac muscle is a specialized involuntary striated muscle found exclusively in the walls of the heart.
Question 2: What is the functional unit of the kidney called?
- Alveolus
- Nephron (Correct answer)
- Villus
- Glomerulus
Correct answer: Nephron
The nephron is the structural and functional unit of the kidney responsible for filtering blood and forming urine.
Question 3: Which blood cells are responsible for carrying oxygen throughout the body?
- White blood cells
- Platelets
- Red blood cells (Correct answer)
- Lymphocytes
Correct answer: Red blood cells
Red blood cells (erythrocytes) contain hemoglobin, which binds to oxygen and transports it from the lungs to body tissues.
Question 4: In which phylum are earthworms classified?
- Platyhelminthes
- Nematoda
- Annelida (Correct answer)
- Arthropoda
Correct answer: Annelida
Earthworms belong to phylum Annelida, characterized by segmented body structure (annuli means rings).
Question 5: What is the process by which male gametes are produced in animals called?
- Oogenesis
- Gametogenesis
- Spermatogenesis (Correct answer)
- Meiosis
Correct answer: Spermatogenesis
Spermatogenesis is the process of sperm cell development occurring in the seminiferous tubules of the testes.
Question 6: Which organ in humans produces bile for digestion?
- Pancreas
- Stomach
- Liver (Correct answer)
- Gallbladder
Correct answer: Liver
The liver produces bile, which is stored in the gallbladder and released into the small intestine to aid fat digestion.
NEET Zoology 1
Which type of muscle tissue is found in the wall of the human heart?