The organism that causes the disease 'anthrax' is: MCQ with Answer and Explanation

The organism that causes the disease 'anthrax' is:
A. Salmonella typhi
B. Streptococcus pyogenes
C. Bacillus anthracis
D. Vibrio cholerae
Answer: Option C
Solution (By JKSSB Mock Tests)
Anthrax is a zoonotic disease caused by the spore-forming bacterium Bacillus anthracis. It can infect skin, lungs, and gastrointestinal tract. Streptococcus pyogenes causes strep throat, Salmonella typhi typhoid, Vibrio cholerae cholera. Anthrax spores can survive for decades in soil and have been used as a bioweapon.

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Practice More Biology Questions

Question #1
The animal that lays eggs and has a beak but no teeth is:
A. Platypus
B. Whale
C. Bat
D. Kangaroo

Correct Answer: Option A


Explanation:
The platypus is a monotreme (egg-laying mammal) with a duck-like beak, no teeth, and webbed feet. Bats and whales are placental mammals, kangaroo is a marsupial. Platypus is found in Australia.

This question belongs to: Science Biology
Question #2
Which of the following is NOT a part of the endomembrane system?
A. Endoplasmic reticulum
B. Golgi apparatus
C. Mitochondria
D. Lysosomes

Correct Answer: Option C


Explanation:
The endomembrane system includes ER, Golgi apparatus, lysosomes, vacuoles, and the nuclear envelope—organelles that coordinate membrane flow and protein processing. Mitochondria (and chloroplasts) are not part of this system because they are semi-autonomous, arising from endosymbiosis, and are not connected by vesicle trafficking. Peroxisomes are sometimes considered associated but not part of the ER-derived system.

This question belongs to: Science Biology
Question #3
Consider statements about human nutrition: 1. Carbohydrates provide immediate energy. 2. Proteins are body-building foods. 3. Fats are not essential for the body. 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:
Carbohydrates are the body's primary and most readily available source of energy, broken down into glucose for immediate cellular use. Proteins are essential 'body-building' foods, providing amino acids necessary for the growth, repair, and maintenance of tissues, muscles, and enzymes. Fats are essential macronutrients; they provide concentrated energy, are crucial for cell membrane structure, aid in the absorption of fat-soluble vitamins, and provide essential fatty acids. Thus, statements 1 and 2 are correct.

This question belongs to: Science Biology