(A) Centrioles
(B) Vacuole
(C) Mitochondria
(D) Ribosomes
Answer: (C) Mitochondria
Biology solved multiple choice questions (MCQs) for class 9 with answers.
(A) Centrioles
(B) Vacuole
(C) Mitochondria
(D) Ribosomes
Answer: (C) Mitochondria
(A) 15 %
(B) 20 %
(C) 25 %
(D) 30 %
Answer: (B) 20 %
(A) Lose water
(B) Gain chloride ions
(C) Become turgid
(D) Gain potassium ions
Answer: (A) Lose water
(A) Platelets
(B) Erythrocytes
(C) Neutrophils
(D) Basophils
Answer: (A) Platelets
(A) Stomach
(B) Duodenum
(C) Oesophagus
(D) All of these
Answer: (D) All of these