Living Organisms Reproduce

Q.

Which of the following is NOT a defining characteristic of living organisms?

1. Reproduction

2. Consciousness

3. Cellular organization

4. Metabolism

Q.

How growth and reproduction are mutually exclusive events

Q.

There is no natural death in single-celled organisms like and bacteria because

1. The parental body is distributed among the offspring.

2. They cannot reproduce asexually.

3. They are microscopic.

4. They reproduce by binary fission.

Q. Reproduction cannot be an all-inclusive defining characteristic of living organisms. Which of the following is the reason for this?

1. Flatworms reproduce by fragmentation
2. In unicellular organisms, growth and reproduction mean the same
3. Lower organisms like yeast reproduce by budding
4. There are many organisms which do not reproduce

Q. Which among the following are exceptions to the characteristic “all living things reproduce”?

1. Mules
2. Worker bees
3. Slime molds
4. Both a) and b)

Q.

The fungi, the filamentous algae, the protonema of mosses, all easily multiply by ___.

1. Budding

2. Fission

3. Regeneration

4. Fragmentation

Q.

What are the basic features of all modes of reproduction?

Q.

The phylogenetic system of classification was put forth by

1. Carolus Linnaeus

2. George Bentham and Joseph Dalton Hooker

3. Aristotle

4. Adolf Engler and Karl Prantl

Q. Mention two inherent characteristics of Amoeba and yeast that enable them to reproduce asexually.

Q. Which of the following process ensures the continuity of life on Earth?

1. Reproduction
2. Respiration
3. Nutrition
4. Growth and development

Q. Assertion: Reproduction is essential for continuation of species.
Reason: Organisms cannot survive without reproduction.

1. Both assertion and reason are correct.
2. Both assertion and reason are incorrect.
3. Assertion is incorrect but reason is correct.
4. Assertion is correct but reason is incorrect.

Q. Refer to the given figures and select the correct option.

1. It is a type of parthenogenesis.
2. Parental cell dies after this process.
3. The initial protuberance remains permanently attached to the parent cell throughout its life.
4. The parental cell exists even after detachement of the initial protuberance.

Q.

Which among the following does not multiply by fragmentation?

1. Ulothrix

2. Funaria

3. Yeast

4. Rhizopus

Q. Reproduction cannot be an all-inclusive defining characteristic of living organisms. Which of the following is the reason for this?

1. Lower organisms like yeast reproduce by budding
2. In unicellular organisms, growth and reproduction mean the same
3. There are many organisms which do not reproduce
4. Flatworms reproduce by fragmentation

Q.

What is a scientific name example?

Q. Which one of the following correctly represents an organism and its ecological niche?

1. Vallisneria and pond
2. Plant lice (aphids) and leaf
3. Vultures and dense forest
4. Desert locust (Schistocerca) and desert

Q. Which of the following is a defining characteristic of living organisms?

1. Growth
2. Ability to make sound
3. Reproduction
4. Response to external stimuli

Q. Very short answer type :
What is a living organism?

Q.

Assertion: Asexual reproduction takes place in some unicellular and multicellular organisms.

Reason: Binary fission in Amoeba, budding in Hydra, and regeneration in Hydra are some examples of asexual reproduction.

1. Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

2. Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

3. Assertion is correct but Reason is incorrect.

4. Assertion is incorrect but Reason is correct.

Q. Linnaeus published his concept of binomial nomenclature first in

1. Systema Naturae
2. Species Plantarum
3. Genera Plantarum
4. Philosophia Botanica

Q.

Is ascospore asexual?

Q. In which type of reproduction single parent is essential and spore formation is seen for reproduction?

1. Asexual
2. Sexual
3. Vegetative
4. Fragmentation

Q. The term systematics was coined by

1. Theophrastus
2. Carolus Linnaeus
3. A. P .de Candolle
4. John Ray

Q.

Distinguish between asexual and sexual reproduction. Why is vegetative reproduction also considered as a type of asexual reproduction?

Q. Regarding the assertion and reason, choose the correct option:
Assertion [A]: In the case of unicellular organisms, reproduction is synonymous to growth.
Reason [R]: Growth in unicellular organisms refers to an increase in the number of cells.

1. Both A and R are true but R is not the correct explanation of A
2. A is true and R is false
3. Both A and R are true and R is the correct explanation of A
4. A is false and R is true

Q. Regarding the assertion and reason, choose the correct option:
Assertion [A]: In the case of unicellular organisms, reproduction is synonymous to growth.
Reason [R]: Growth in unicellular organisms refers to an increase in the number of cells.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is true and R is false
4. A is false and R is true

Q. Which among the following can regenerate?

1. Hydra, Starfish
2. Plasmodium
3. Earthworm
4. Spongilla

Q.

Do annelids regenerate ?

Q.

Which among the following does not multiply by fragmentation?

1. Rhizopus

2. Ulothrix

3. Funaria

4. Yeast

Q.

What are the means of reproduction in fungi? Write the steps involved in sexual cycle?

For 5 marks