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.

Questions and Answers

Q 1 - Consider the following statements:

1. The identical twins who are born joined together are known as Siamese twins.

2. Siamese twins are very rare case; however, in normal circumstance, they can be separated through surgery.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

The first case that came in public was from Thailand (in 19th century).

Q 2 - Which among the following prevents coagulation of blood in vessels during normal circulation?

A - Calcitonin

B - Prothrombin

C - Heparin

D - Thromboplastin

Answer : C

Explanation

Heparin is also known as unfractionated heparin (UFH).

Q 3 - Kangaroo is one of the species popularly called as .

A - Mammalian

B - Placental

C - Marsupials

D - Volant

Answer : C

Explanation

Marsupials is a distinctive characteristic of those species who carry their young children in a pouch.

Q 4 - . Has the highest number of chromosomes?

A - Dog

B - Fern

C - Elephant

D - Blue algae

Answer : B

Explanation

The fern has normally 630 pairs of chromosomes per cell.

Answer : A

Explanation

N/A

Q 6 - Consider the following statements:

1. The plants which grows and obtain food from the dead organic matter are known as saprophyte.

2. Saprophyte plants do not have chlorophyll and hence they cannot make their food.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 7 - Consider the following statements:

1. Gestation is the time period between conception and birth.

2. During the gestation period, baby grows and develops inside the mothers womb.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 8 - Consider the following statements:

1. A plant cell can repair itself.

2. An animal cell needs support of other cell to repair.

Choose the correct answer from the given codes:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : A

Explanation

An animal cell can also repair itself.

Q 9 - Wisdom teeth generally grow during the age of

A - 10 - 15 years

B - 15 - 30 years

C - 35 - 45 years

D - 45 - 50 years

Answer : B

Explanation

N/A

Q 10 - The appendixes of rabbit and horse are

A - Small

B - Helps in digestion of cellulose

C - Very large

D - Store food

Answer : B

Explanation

N/A

Q 11 - Consider the following statements:

1. There are two types of organisms the first is unicellular (that consists only cell) and the second one is multicellular (that consists many cells).

2. Bacteria are unicellular organisms.

Choose the correct answer from the given codes:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 12 - Which among the following is not a mammal?

A - Bat

B - Duck-billed platypus

C - Shark

D - Whale

Answer : C

Explanation

N/A

Q 13 - An amylase is an enzyme that catalyzes the hydrolysis of . into sugars.

A - Glucose

B - Starch

C - Fructose

D - Sucrose

Answer : A

Explanation

N/A

Answer : B

Explanation

Archaeopteryx was a species, which was actually a transitional between dinosaurs and modern birds.

Answer : D

Explanation

N/A

Answer : C

Explanation

Aldosterone hormone is essential for the sodium conservation in salivary glands, kidney, sweat glands, and colon.

Q 18 - The coralloid roots are found in:

A - Chir tree

B - Xerophytic plants

C - Cycus

D - Tropical plants

Answer : C

Explanation

The coralloid roots comprise of blue-green algae (symbiotic cyanobacteria), it helps in nitrogen fixation.

Q 19 - Which among the following is the most dangerous fish?

A - Payara

B - Piranha

C - Stonefish

D - Eel

Answer : A

Explanation

Most likely payara is the most dangerous fish and popular as vampire fish.

Answer : D

Explanation

N/A

biology_part1_online_quiz.htm
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