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Biology Mcqs

Study the fundamentals and advanced topics of life sciences with our topic-wise Biology MCQs designed for academic and competitive exam preparation. These multiple-choice questions cover cell biology, genetics, human physiology, microbiology, plant biology, ecology, evolution, biotechnology, enzymes, DNA & RNA, and biological classifications. Ideal for students, educators, and candidates appearing in PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and other testing bodies. Also beneficial for exams related to science teaching, medical entry tests, and public sector recruitment in health departments.

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1 Biology Mcqs

Why are cotyledons very important in seeds?

  • They store food
  • They store water
  • They store air
  • None of these
0 Comments
Correct Answer: A. They store food

Explanation:

Cotyledons are often called seed leaves, and they play a vital role in ... Read More Details

2 Biology Mcqs

Which vegetable is also a flower?

  • Lady Finger
  • Broccoli
  • Tomato
  • None of these
0 Comments
Correct Answer: B. Broccoli

Explanation:

While we usually think of vegetables as stems, roots, or leaves, some vegetables ... Read More Details

3 Biology Mcqs

In the human body, where is the macula located?

  • Knee – center of leg
  • Eye – center of retina
  • Brain – center of cerebrum
  • None of these
0 Comments
Correct Answer: B. Eye – center of retina

Explanation:

The macula is a small but vital part of the human eye, located ... Read More Details

4 Biology Mcqs

Which of the following is not a benefit of bacteria?

  • Decomposition
  • Oxygen Production
  • Nitrogen Fixation
  • None of these
0 Comments
Correct Answer: B. Oxygen Production

Explanation:

Bacteria are microscopic organisms that play a crucial role in maintaining life on ... Read More Details

5 Biology Mcqs

The seed coat is also called what?

  • Radicle
  • Testa
  • Tegmen
  • None of these
0 Comments
Correct Answer: B. Testa

Explanation:

The seed coat is the outer protective covering of a seed, and it ... Read More Details

6 Biology Mcqs

Which of the following can cause diseases?

  • Microorganisms
  • Animals
  • Humans
  • None of these
0 Comments
Correct Answer: B. Animals

Explanation:

Diseases in humans and animals can be caused by various agents, including microorganisms, ... Read More Details

7 Biology Mcqs

What is the main function of perspiration?

  • Get rid of body waste
  • Regulate body temperature
  • Regulate body waste
  • Lubricate the skin
0 Comments
Correct Answer: B. Regulate body temperature

Explanation:

Perspiration, commonly known as sweating, is an essential physiological process in humans. Its ... Read More Details

8 Biology Mcqs

Which part of the human body controls blood sugar levels?

  • Pituitary gland
  • Islets of Langerhans
  • Hypothalamus
  • Spleen
0 Comments
Correct Answer: B. Islets of Langerhans

Explanation:

The human body carefully regulates blood sugar (glucose) levels to provide energy for ... Read More Details

9 Biology Mcqs

From which part of the plant is saffron obtained?

  • Anther
  • Stigma
  • Stamen
  • Pollen
0 Comments
Correct Answer: B. Stigma

Explanation:

Saffron is one of the most valuable spices in the world, known for ... Read More Details

10 Biology Mcqs

Frederick Sanger won the Nobel Prize twice in which field?

  • Physics in 1956 and 1972
  • Chemistry in 1958 and 1980
  • Physics in 1903 and Chemistry in 1911
  • Chemistry in 1954 and Peace in 1962
0 Comments
Correct Answer: B. Chemistry in 1958 and 1980

Explanation:

Frederick Sanger was a pioneering British biochemist who made groundbreaking contributions to molecular ... Read More Details

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