The term 'cell' was coined by: MCQ with Answer and Explanation

The term 'cell' was coined by:
A. Robert Brown
B. Robert Hooke
C. Rudolf Virchow
D. Antonie van Leeuwenhoek
Answer: Option B
Solution (By JKSSB Mock Tests)
Robert Hooke observed thin slices of cork under a microscope he designed and saw honeycomb-like compartments which he termed 'cells' in his 1665 book 'Micrographia'. Leeuwenhoek discovered living cells (bacteria, protozoa). Brown discovered the nucleus (1831), and Virchow proposed that all cells arise from pre-existing cells (1855). Hooke's cells were dead, empty cell walls of cork.

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Practice More Biology Questions

Question #1
Which of the following statements about fermentation is correct?
A. It produces a large amount of ATP.
B. In yeast, it produces ethanol and carbon dioxide.
C. In muscle cells, it produces ethanol.
D. It requires oxygen.

Correct Answer: Option B


Explanation:
Alcoholic fermentation in yeast produces ethanol and CO₂. Fermentation is anaerobic, yields 2 ATP, and in muscles produces lactic acid.

This question belongs to: Science Biology
Question #2
Consider statements about animal husbandry: 1. Poultry provides eggs and meat. 2. Apiculture increases crop yield. 3. Dairy farming focuses on fish production. Which are correct?
A. 1 and 2 only
B. 1, 2 and 3
C. 2 and 3 only
D. 1 and 3 only

Correct Answer: Option A


Explanation:
Poultry farming involves rearing birds like chickens for the production of eggs (layers) and meat (broilers). Apiculture (beekeeping) not only produces honey but also significantly increases crop yields through enhanced pollination by bees. Dairy farming focuses on the breeding and rearing of cattle, buffaloes, etc., for milk production, not fish (which is pisciculture). Thus, statements 1 and 2 are correct.

This question belongs to: Science Biology
Question #3
The human organ that receives deoxygenated blood from the body is the:
A. Left ventricle
B. Left atrium
C. Right ventricle
D. Right atrium

Correct Answer: Option D


Explanation:
The right atrium receives deoxygenated blood from the systemic circulation via the superior and inferior vena cavae. It pumps blood to the right ventricle. The left atrium receives oxygenated blood from the lungs, the left ventricle pumps to the body, the right ventricle to the lungs.

This question belongs to: Science Biology