Biology 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 DNA has four bases similar to the English letters A, G, T, and C.

2. DNA bases are used to store information.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Information is passed from DNA to RNA by complementary pairing.

Q 2 - ‘Foot and Mouth Disease’ generally found in …

Answer : B

Explanation

N/A

Q 3 - Which among the following animals has the longest tongue?

Answer : B

Explanation

A chameleon tongue is as long as the (about) two times of its body length.

Q 4 - Consider the following statements:

1. The highest point in the blood pressure range is known as systolic pressure.

2. The lowest point in the blood pressure range is known as diastolic pressure.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Systolic pressure is upper pressure reading and diastolic pressure is lower pressure reading.

Q 5 - Which among the following is adapted to grow in an arid region?

Answer : C

Explanation

Xerophytes are the plants, which can survive in a desert region.

Q 6 - The litmus paper, which is used in the chemical laboratories, is made up of …

A - Red algae

B - Blue algae

C - Lichen

D - Mixture of fungi and algae

Answer : C

Explanation

The primary raw materials, which is used in making litmus paper, are lichens, wood cellulose, and other adjunct compounds.

Q 7 - If the blood group of a husband is AB and wife’s B, then which one of the following blood group is not possible in their offspring?

Answer : D

Explanation

N/A

Q 8 - ……… provides instant energy to human body

Answer : D

Explanation

Liver is the instant energy provider organ.

Q 9 - Consider the following statements:

1. Smooth muscles are found in the walls of the digestive tract, urinary bladder, arteries, and other internal organs.

2. Smooth muscles are also known as ‘involuntary muscles.’

Choose the correct answer from the codes given below:

Answer : C

Explanation

Smooth muscles are also known as ‘involuntary muscles,’ as we cannot consciously control them.

Q 10 - Cirrhosis is a disease that affects:

Answer : B

Explanation

Q 11 - Which one of the following diseases is most likely completely eradicated from India?

Answer : A

Explanation

Polio almost eradicated, as no case is reported.

Q 12 - Which among the following sequester waste products?

Answer : A

Explanation

Vacuoles are often described as liquid filled space and are surrounded by a membrane.

Q 13 - The cell wall of red algae is made up of:

A - Viscus protein

B - Mixture of vitamins and lipids

C - Cellulose

D - Cutin

Answer : C

Explanation

The cell wall of red algae is made up of cellulose, xylan or mannan fibrils.

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 - Consider the following statements:

1. Petals and sepals are collectively known as tepals.

2. Stigma is the receptive surface area of the carpel.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 16 - The major function of Oestrogen hormone is …

A - To sustain pregnancy

B - To control circadian rhythm

C - To retain salt

D - To maintain female secondary sex characteristics

Answer : D

Explanation

Oestrogen is primary female sex hormone, which is accountable for the development and regulation of the female reproductive system and the secondary sex characteristics.

Q 17 - …………… is not a water-soluble vitamin.