Biology Class 12 in Hindi Chapter 1. We covered all the Biology Class 12 in Hindi Chapter 1 MCQs in this post for free so that you can practice well for the exam.
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Biology Class 12 in Hindi Chapter 1 Objective for Students
Which one of the following statements regarding Penicillin is correct?
(a) Penicillin-resistant bacteria can store this antibiotic in a vacuole
(b) Penicillin-resistant bacteria can degrade this antibiotic by an enzyme called B-lactamase
(c) Penicillin-resistant bacteria can degrade this antibiotic by an enzyme called lactic acid dehydrogenase
(d) Penicillin is not absorbed by bacteria; so most bacteria are resistant
Option a - Penicillin-resistant bacteria can store this antibiotic in a vacuole
Which one of the following statements regarding Cholera is correct?
(a) Cholera is a disease that causes loss of memory
(b) Cholera is a disease of muscles due to consumption of alcohol
(c) Cholera is a disease due to consumption of contaminated food or water
(d) Cholera is a genetic disease
Why is a plant called Prosopis juliflora often mentioned in the news?
(a) Its extract is widely used in cosmetics.
(b) It tends to reduce the biodiversity in the area in which it grows.
(c) Its extract is used in the synthesis of pesticides.
(d) None of the above
Option b - It tends to reduce the biodiversity in the area in which it grows
Which of the following is NOT obtained from insects?
(a) Silk
(b) Honey
(c) Lac
(d) Pearl
Option d - Pearl
Which one of the following statements regarding viruses is not true?
(a) Viruses need living cells to reproduce.
(b) All viruses are parasites.
(c) Viruses can synthesize their food through photosynthesis.
(d) Viruses are similar to chemical substances outside the host.
Option c - Viruses can synthesize their food through photosynthesis
Which one of the following cell organelles does NOT possess its own genetic material encoding proteins?
(a) Ribosome
(b) Nucleus
(c) Mitochondria
(d) Chloroplast
Option c - Mitochondria
Which one of the following organisms represents the primary consumer category in an ecosystem?
(a) Caterpillar
(b) Crabapple tree
(c) Frog
(d) Sparrowhawk
Option a - Caterpillar
We covered all the biology class 12 in Hindi chapter 1 mcqs above in this post for free so that you can practice well for the exam.
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