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Biology Quiz 8

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Basic Biology Online Test

  • This is an online quiz to test your knowledge of Basic Biology.
  • This Online Test is useful for academic and competitive exams.
  • Multiple answer choices are given for each question in this test. You have to choose the best option.
  • After completing the test, you can see your result.
  • There are 10 questions in the test.
  • There is no negative marking for wrong answers.
  • There is no specified time to complete this test.
  • EduDose has provided this test in both English and Hindi medium.

An example of false fruit is:

False fruit (Accessory fruit) is a fruit in which some of the flesh is not derived from the ovary but some adjacent tissues exterior to the carpel. Some examples of false fruit are apple, pear, and cucumber that develop from the thalamus, cashew-nut develops from the peduncle, jackfruit and pineapple develop from the entire inflorescence.

The limb bones of children become bent if there is deficiency of:

Due to Vitamin D deficiency, the limb bones of children become bent. Vitamin D deficiency can cause children to get rickets. Rickets is a disease that causes thin, weak and deformed bones. In adults, not having enough vitamin D and calcium causes osteoporosis (loss of bone density) and can lead to fractures.

Which of the following diseases usually spreads through milk?

Mycobacterium Bovis, a bacterial species of the M. tuberculosis complex, is a pathogen that primarily infects cattle. However, humans also can become infected, most commonly through the consumption of unpasteurized milk products from infected cows.

The hormone used as an oral contraceptive is:

Oral contraceptives (birth control pills) are used to prevent pregnancy. Estrogen and progesterone are two female sex hormones. Combinations of estrogen and progesterone work by preventing ovulation (the release of eggs from the ovaries).

The pH of human blood is:

The normal pH range of human blood is 7.35 to 7.45. This means that blood is naturally slightly alkaline or basic.

Deficiency of Vitamin B6 in men causes:

Vitamin B6 is one of the B vitamins. Deficiency of Vitamin B6 in men causes anemia because it is needed to form red blood cells.

Syrinx is the voice box in:

The syrinx is the vocal organ of birds. It is located at the base of a bird's trachea, where the trachea divides into the bronchi (tubes that connect the trachea with the lungs). It produces sounds without the vocal folds of mammals.

Ginger is a stem and not a root because:

The rhizomes of ginger are considered as stems and not as roots as it contains nodes and internodes.

Total interacting animals and plants in any well-defined area is known as:

Biome is the total interaction between animals and plants in any well-defined area. It refers to the community of plants and animals that occur naturally in an area, often sharing common characteristics specific to that area.

Which of the following is an endemic species?

An endemic species refers to a species that is native to where it is found. A species can be endemic to a particular small geographical area, such as a single island, or to a larger area, such as a continent. India has nine hornbill species, of which four are found in the Western Ghats: Indian Grey Hornbill (endemic to India), the Malabar Grey Hornbill (endemic to the Western Ghats), Malabar Pied Hornbill (endemic to India and Sri Lanka) and the widely distributed but endangered Great Hornbill.

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