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Living Beings

Description: All about living beings.
Number of Questions: 15
Created by:
Tags: Charateristics of Living Beings Structural Organisation in Animals and Plants Biology Diversity of Living World Binomial Nomenclature Nomenclature of Species Physiology of Animal and Man Hierarchy of Categories Taxonomical Hierarchy
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Growth by cell division can be seen throughout their life span in

  1. deer

  2. crocodile

  3. sparrow

  4. rose plant

  5. fishes

Show answer
Correct Option: D
Explanation:

Yes, it is correct. In rose plant,  this growth by cell division occurs continuously throughout its life span.

Growth, which is an important feature of living things, is also seen in some non-living things. How does it take place in a cloud?

  1. By cell division

  2. By accumulation of matter

  3. By filling of spaces with air

  4. By chemical reaction

  5. By budding

Show answer
Correct Option: B
Explanation:

Yes, it is correct. Growth in non-living things happens because of accumulation of matter from outside, like in clouds.

A uniform system of nomenclature and identification helps the scientists in systematic study of living beings. ICBN applies to

  1. microorganisms

  2. plants

  3. animals

  4. multicellular organism

  5. trees

Show answer
Correct Option: B
Explanation:

Yes, it is correct. ICBN (International Code for Botanical Nomenclature) applies to the plants.

Which of the following differences between living and non-living objects is/are not true? (a) In living beings, growth is from inside whereas in non-living beings, the growth is seen from outside. (b) The chemicals within a living organism undergo a continuous change whereas no such change is seen in non-living objects. (c) All living and non-living organisms respond to external stimuli.

  1. Only a

  2. Only c

  3. Both 1 and 2

  4. Both 2 and 3

  5. None of these

Show answer
Correct Option: B
Explanation:

Yes, it is the correct answer, as c is false. Only living beings respond to an external stimuli, like light, heat, chemicals, other organisms, etc. These are examples of external stimuli.

As a result of _____________, buds, fragments, spores, etc. are formed in living organisms.

  1. matter accumulation

  2. sexual reproduction

  3. asexual reproduction

  4. anabolism

  5. catabolism

Show answer
Correct Option: C
Explanation:

Yes, it is the correct answer. Offspring arise from a single organism by budding, fragmentation or spore formation, etc.

In a biological name, where does the name of author appear?

  1. Before the generic name

  2. Before the specific epithet

  3. After the specific epithet

  4. Under the biological name

  5. Above the biological name

Show answer
Correct Option: C
Explanation:

Yes, it is correct. Name of the author appears after the specific epithet, i.e. at the end of the biological name and is written in an abbreviated form, e.g. Mangifera indica Linn. It indicates that this species was first described by Linnaeus.

A patient is brain-dead. He has no self-consciousness. His heart is beating. The given statement tells that the patient

  1. is in coma

  2. had an asthmatic attack

  3. had a paralytic attack

  4. has stomach ulcers

  5. none of these

Show answer
Correct Option: A
Explanation:

Yes, it is the correct answer. A patient lying in coma in a hospital and virtually supported by machines is alive but such patients are brain-dead. The patient has no self-consciousness.

Which of the following rules is incorrect regarding the way to write biological name?

  1. Biological names are usually written in Latin.

  2. Biological names are written in italics.

  3. Biological name is underlined, when it is handwritten.

  4. It is written in two terms. The first term shows the species, while the second term shows the genus.

  5. The first term of the biological name begins with a capital letter.

Show answer
Correct Option: D
Explanation:

Yes, it is the correct answer. A biological name usually contains two terms. The first term shows the genus, while the second term shows the species.

Homo sapien is the biological name of

  1. sparrow

  2. man

  3. housefly

  4. wheat

  5. mango

Show answer
Correct Option: B
Explanation:

Yes, it is correct. Homo sapien is the biological name of man.

Which of the following reactions is/are not anabolic?

(a) Glucose + Glucose = Glycogen (b) Glycerol + Fatty acid = Tryglyceride (c) Glucose + Oxygen = CO2 + Water + Energy (d) Amino acid + Amino acid = Protein

  1. only a

  2. a and b

  3. only c

  4. b and c

  5. a and d

Show answer
Correct Option: C
Explanation:

Yes, it is the correct answer as the reaction is not an anabolic reaction. The process in which breaking up of a substance takes place is not anabolic reaction, but a catabolic reaction. Cellular respiration helps cells break sugar, which helps in producing energy.

Which of the following is the highest category in classification system of animals?

  1. Phylum

  2. Class

  3. Order

  4. Family

  5. Kingdom

Show answer
Correct Option: E
Explanation:

Yes, it is correct. All animals belonging to various phyla are assigned to the highest category called kingdom Animalia in the classification system of animals.

Which of the following do not belong to phylum Chordata?

  1. Mammals

  2. Birds

  3. Snails

  4. Sea squirts

  5. Amphibians

Show answer
Correct Option: C
Explanation:

Yes, it is correct. Snails do not belong to phylum Chordata. Snail belongs to Mollusca. Molluscs have soft bodies that consist of three basic parts: a foot, a visceral mass and a mantle.

Which of the following options explains Taxon correctly?

  1. Taxon is a step in the classification hierarchy.

  2. Taxon is a particular rank in the biological classification.

  3. Taxon is a member of a species having a large number of similar characters.

  4. Taxon is the biological name.

  5. None of these

Show answer
Correct Option: B
Explanation:

Yes, it is correct. Any group or rank in a biological classification into which related organisms are classified is called taxon.

Which of the following are from the order Primata?

Monkey, Dog, Gorilla, Tiger, Gibbon, Cat

  1. Monkey, gorilla and gibbon

  2. Tiger, monkey, dog and gorilla

  3. Gorilla, cat and monkey

  4. Dog and cat

  5. Dog, cat and gibbon

Show answer
Correct Option: A
Explanation:

Yes, it is the correct answer. All three belong to the order Primata.

Which of the following is/are incorrect regarding gymnosperms?

  1. They are known as ancestors of flowering plants.

  2. Their seeds are enclosed within a fruit.

  3. They include usually woody trees.

  4. They have unisexual flowers.

  5. Pine tree is an example of gymnosperm.

Show answer
Correct Option: B
Explanation:

Yes, it is the correct answer. The seeds of angiosperms are enclosed within a fruit, while gymnosperms have naked seeds.

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