Which of the following is a characteristic feature of all living organisms? MCQ with Answer and Explanation

Which of the following is a characteristic feature of all living organisms?
A. Nervous system
B. Movement
C. Cellular respiration
D. Photosynthesis
Answer: Option C
Solution (By JKSSB Mock Tests)
Cellular respiration is a universal characteristic of living organisms, occurring in every cell to release energy from organic molecules. Movement is not universal (e.g., plants are stationary). Photosynthesis is restricted to autotrophs. A nervous system is absent in plants and simple animals. Thus, cellular respiration is fundamental to all life forms, from bacteria to humans.

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Practice More Biology Questions

Question #1
The hormone that stimulates the thyroid gland to release thyroxine is:
A. ACTH
B. LH
C. TSH
D. FSH

Correct Answer: Option C


Explanation:
Thyroid-stimulating hormone (TSH), secreted by the anterior pituitary, binds to receptors on thyroid follicular cells and stimulates them to produce and release T₃ and T₄. ACTH stimulates adrenal cortex, FSH and LH target gonads.

This question belongs to: Science Biology
Question #2
Assertion (A): The pancreas is a mixed gland.
Reason (R): It has exocrine acini secreting enzymes and endocrine islets secreting hormones.
A. Both A and R are true, and R is the correct explanation.
B. Both A and R are true, but R is not the correct explanation.
C. A true, R false.
D. A false, R true.

Correct Answer: Option A


Explanation:
The pancreas secretes digestive enzymes (exocrine) and insulin/glucagon (endocrine). The reason correctly defines why it is mixed.

This question belongs to: Science Biology
Question #3
Which vitamin is also known as ascorbic acid?
A. Vitamin B₁
B. Vitamin C
C. Vitamin A
D. Vitamin D

Correct Answer: Option B


Explanation:
Vitamin C, chemically ascorbic acid, is a water-soluble vitamin essential for collagen synthesis, wound healing, iron absorption, and antioxidant function. Its deficiency causes scurvy (bleeding gums, weakness). Vitamin A is retinol, B₁ is thiamine, D is calciferol. Vitamin C is abundant in citrus fruits, guava, amla. It is heat-labile and easily destroyed by cooking.

This question belongs to: Science Biology