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. Oesophagus is a muscular tube that squeezes food along to the stomach.

2. Stomach stores, mixes, and digests food with the gastric juice.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 2 - Which among the following is rich in vitamin A and C?

Answer : D

Explanation

Tomato is very rich source of vitamin A and C.

Q 3 - Usually stem cutting is a culturing process which is used in:

Answer : B

Explanation

Stem cutting is a technique by which a new plant grow as well it also facilitates the healthy growth to the plant.

Q 4 - . term is used in Botany

Answer : D

Explanation

Biennial is term used for those plants that take two years to complete its biological lifecycle.

Q 5 - Consider the following statements:

1. Blood group O can be given to anybody (irrespective of his/her blood group).

2. A person who has O blood group is known as universal donor.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Blood group O has no antigen, hence it can be given to anyone.

Q 6 - The external parts of human ears are intended for

A - To wear ornaments

B - Collect sound waves

C - Scattering sound waves

D - Beauty

Answer : C

Explanation

N/A

Q 7 - Which among the following organs absorbs maximum nutritional elements in the blood?

Answer : C

Q 8 - Turmeric is obtained from . part of the plant.

Answer : C

Explanation

N/A

Q 9 - Consider the following statements:

1. The bones that enclose the brain and support the face and teeth is known as skull.

2. The backbone is made of cartilage.

Choose the correct answer from the codes given below:

Answer : A

Explanation

The backbone is made of vertebrae.

Q 10 - Consider the following statements:

1. Skeletal muscles are attached to bones.

2. Skeletal muscles are also called as voluntary muscles.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Skeletal muscles are also called as voluntary muscles because we can consciously contract them.

Q 11 - The orchid seeds normally are

A - Light and dry

B - Smaller and sticky

C - Larger and heavy

D - Small and heavy

Answer : A

Explanation

N/A

Q 12 - store water in their intestine.

Answer : B

Explanation

Camels live in arid region and there is scarcity of water; therefore, camels store water in their intestine.

Q 13 - is not a mammal?

Answer : A

Explanation

Q 14 - Which among the following branches of botany studies evolution of plants and plant fossils?

Answer : B

Explanation

N/A

Q 15 - Which among the following snakes builds nest?

Answer : A

Explanation

King cobra is the only snake that makes nest.

Q 16 - Which among the following is an essential constituent of phosphorus?

Answer : A

Explanation

Nucleic acid largely consist of DNA and RNA.

Q 17 - Ecology is the branch of Biology that deals with

A - Birds and their habitats

B - Reptiles and their habitats

C - Relations between biotic and abiotic elements

D - Relations between plants and animals

Answer : C

Explanation

N/A

Q 18 - Retinol is the chemical name of

Answer : A

Explanation

Vitamin A is soluble in fat.

Q 19 - Which among the following enzymes converts protein to peptones?

Answer : C

Explanation

Trypsin is produced by pancreas (abdomen).

Q 20 - In relation to transpiration and water movements in plants, consider the following statements?

1. Removing all the leaves from a plant will reduce the flow of water up the stem.

2. Covering both sides of a leaf with a plastic film will reduce both stomatal and cuticular transpiration.

3. Injecting detergents (which lower the surface tension of water) into the xylem of tree trunk could prevent water from reaching the upper branches.

4. Along most of its route through a plant, water moves by diffusion either along cell walls or across protoplasts.

Choose the correct answer from the codes given below:

Answer : B

Explanation

N/A

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