Biology Part 1 Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Biology. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Consider the following statements:

1. The gene consists of DNA molecules in different patterns.

2. Gene determines the hereditary traits.

Choose the correct answer from the codes given below:

Answer : C

Explanation

The term ‘gene’ was first used by Wilhelm Johannsen.

Q 2 - Which among the following is the strongest muscle in the body?

Answer : A

Explanation

N/A

Q 3 - Which among the following correctly defines the ‘Pellagra’?

Answer : A

Explanation

N/A

Q 4 - Consider the following statements:

1. Blood pressure is measured in a large artery of the arm, known as branchial artery.

2. The instrument that measures blood pressure is known as sphygmomanometer.

Choose the correct answer from the codes given below:

Answer : C

Explanation

The diastolic pressure is always lower than the systolic pressure.

Q 5 - Rhizoids are found in ………

Answer : C

Explanation

Rhizoids are the filamentous outgrowth (also known as root hair) on the underside of the thallus in some smaller plants, e.g. mosses and liverworts.

Q 6 - Consider the following statements:

1. RBCs are also known as ‘erythrocytes.’

2. RBCs, which are of disc-shape, can be seen only through microscope.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 7 - Which among the following statements is correct?

A - All arteries carry oxygenated blood

B - All veins carry oxygenated blood

C - All other arteries carry oxygenated blood, except the pulmonary artery

D - All other veins carry oxygenated blood expect the pulmonary vein

Answer : C

Explanation

N/A

Q 8 - Consider the following statements:

1. Only plant cells have cell membrane.

2. Only plant cells have cell wall.

Choose the correct answer from the given codes:

Answer : B

Explanation

Plant cells and animal cells both have cell membrane.

Q 9 - The pancreas secrets its enzymes into …

Answer : A

Explanation

N/A

Q 10 - …………. is the phenomenon by which water molecules move from a weaker solution to a stronger solution through a semi-permeable membrane.

Answer : B

Explanation

Osmosis is the spontaneous net movement of solvent molecules through a semi-permeable membrane.

Q 11 - Consider the following statements:

1. Glucose is the most important carbohydrate.

2. Glucose is a simple sugar (monosaccharide).

Choose the correct answer from the given codes:

Answer : C

Explanation

Glucose is metabolized by almost all known organisms.

Q 12 - Which among the following is the term given when different characters are controlled by a gene?

Answer : B

Explanation

N/A

Q 13 - Nitrogen fixation is a process normally done by:

Answer : D

Explanation

N/A

Q 14 - How does the pH value of blood remains constant?

A - Presence of WBCs

B - Because of Perspiration

C - Buffer morphology

D - Respiration

Answer : C

Explanation

N/A

Q 15 - Who among the following first discovered the blood transfusion?

A - Jean Baptiste Denys

B - Robert Koch

C - Klebs and Loffler

D - William Einthoven

Answer : A

Explanation

Jean Baptiste Denys was a French physician who performed the first fully documented human blood transfusion.

Q 16 - Which among the following statements correctly define the conservation biology?

A - Management and conservation of the earth’s biodiversity

B - Management and conservation of soil

C - Management and conservation of forests

D - Management and conservation of animals in a restricted/protected area

Answer : A

Explanation

The objective of conservation biology is to protect species, their habitats, and their ecosystems.

Q 17 - Which among the following elements are normally present in all proteins?

1) Carbon

2) Hydrogen

3) Oxygen

4) Nitrogen

Choose the correct answer from the codes given below:

Answer : D

Explanation

N/A

Q 18 - Consider the following statements:

1. The human bodies’ store different vitamins widely.

2. Vitamins A, D, and B12 are stored in considerable amounts, mainly in the liver.

Choose the correct answer from the given codes:

Answer : C

Explanation

Humans must consume vitamins periodically to avoid deficiency.

Q 19 - Consider the following statements:

1. Monosaccharides are the simplest carbohydrates.

2. Monosaccharides are the significant fuel molecules and building blocks for the nucleic acids.

Choose the correct answer from the given codes:

Answer : C

Explanation

N/A

Q 20 - Which among the following is known as the blood purification process?

Answer : A

Explanation

N/A

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