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How Do Organisms Reproduce I

Description: How do Organisms Reproduce I
Number of Questions: 40
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Tags: How do Organisms Reproduce I How do Organisms Reproduce
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Which of the following organisms has the ability to regenerate its lost body parts?

  1. Amoeba

  2. Planaria

  3. Paramecium

  4. Euglena


Correct Option: B

Which part of bryophyllum plant helps in vegetative propagation?

  1. Roots

  2. Leaves

  3. Stem

  4. Flowers


Correct Option: B

Which of the following fruits has lost the capacity to produce seeds?

  1. Apple

  2. Pear

  3. Peach

  4. Banana


Correct Option: D

Binary fission occurs during ______________.

  1. favourable conditions

  2. unfavourable conditions

  3. hot conditions

  4. humid conditions


Correct Option: A

'Bread mould' reproduces by ____________.

  1. spore formation

  2. regeneration

  3. fission

  4. budding


Correct Option: A

If hydra is cut into two parts, it does not die because _______________.

  1. it can form bud

  2. it can regenerate into 2 complete organisms

  3. it can produce spores

  4. the two parts are new individuals


Correct Option: B

The ability of an organism to develop into whole body from a broken piece or fragment is known as ______________.

  1. budding

  2. regeneration

  3. fusion

  4. fission


Correct Option: B

Which life process is not essential for survival of life?

  1. Digestion

  2. Respiration

  3. Excretion

  4. Reproduction


Correct Option: D

The mode of reproduction in Leishmania, the organism which causes kala-azar in humans, is ___________.

  1. binary fission

  2. multiple fission

  3. both (A) and (B)

  4. none of these


Correct Option: A

During vegetative propagation in bryophyllum, buds grow from _______________.

  1. shoot tip

  2. internodes

  3. notches of leaf

  4. margin of leaf


Correct Option: C

Biochemical basis of reproduction is ______________.

  1. RBC

  2. WBC

  3. neuron

  4. DNA


Correct Option: D

Sporangium develops on slender, erect, thread-like structures called ____________.

  1. constrictions

  2. spores

  3. buds

  4. hyphae


Correct Option: D

Spores are produced inside the round blob like structures known as ____________________.

  1. sporangia

  2. capsule

  3. cyst

  4. bud


Correct Option: A

Plasmodium which causes malaria is reproduced by _____________.

  1. binary fission

  2. multiple fission

  3. regeneration

  4. spore formation


Correct Option: B

Binary fission differs from multiple fission in respect of _______________.

  1. the number of individuals formed after fission

  2. the number of individuals involved

  3. the sexual form of reproduction

  4. better survival value to the organisms


Correct Option: A

Which type of asexual reproduction takes least time?

  1. Multiple fission

  2. Regeneration

  3. Spore formation

  4. Binary fission


Correct Option: D

_________ carries all the information about the organism.

  1. Platelets

  2. WBC

  3. RBC

  4. DNA


Correct Option: D

_________ is/are useful for the survival of species.

  1. Copying of DNA

  2. Variations

  3. Continuation

  4. Nutrition


Correct Option: B

Which part of a plant does not take part in vegetative propagation?

  1. Roots

  2. Stem

  3. Leaves

  4. Flowers


Correct Option: D

The spores are released in the air by ______________.

  1. breaking of the wall of sporangium

  2. breaking up of whole of the parent body

  3. vigorous shaking of the sporangium

  4. breaking of the wall of hyphae


Correct Option: A

Asexual reproduction involves _____________.

  1. none of the parents

  2. both the parents

  3. only one parent

  4. gamete formation


Correct Option: C

Which of these in-vitro methods is used by horticulturists for large-scale commercial purposes?

  1. Tissue culture

  2. Natural selection

  3. Budding

  4. Spore formation


Correct Option: A

The mode of reproduction in hydra is ___________.

  1. fission

  2. budding

  3. spore formation

  4. sexual


Correct Option: B

Spore-formation is a mode of reproduction in _______________.

  1. paramecium

  2. rhizopus

  3. leishmania

  4. planaria


Correct Option: B

An unorganized mass of cells that gives rise to whole new plant in tissue culture is termed as _______________.

  1. rootlet

  2. shootlet

  3. plantlet

  4. callus


Correct Option: D

'Disease-free plants' can be produced by which of the following methods?

  1. Grafting

  2. Layering

  3. Cutting

  4. Tissue culture


Correct Option: D

What is the mode of reproduction in which the new individual develops and grows on the parent body?

  1. Regeneration

  2. Spore formation

  3. Budding

  4. Fission


Correct Option: C

Which of the following modes of reproduction is an example of sexual reproduction?

  1. Fission

  2. Gamete formation

  3. Regeneration

  4. Spore formation


Correct Option: B

A bulge-like projection that arises on the parent body during asexual reproduction in hydra and yeast is termed as ______________.

  1. spore

  2. tentacle

  3. bulb

  4. bud


Correct Option: D

Regeneration is carried out by ____________.

  1. broken cells

  2. all cells

  3. specialized cells

  4. differentiated cells


Correct Option: C

Which of the following options is not a feature of asexual reproduction?

  1. Offspring is an identical copy of the parent.

  2. All the divisions are mitotic in nature.

  3. It takes longer period of time than sexual reproduction.

  4. It involves a single individual only.


Correct Option: C

Higher plants show asexual mode of reproduction in nature by which of these methods?

  1. Spore formation

  2. Vegetative propagation

  3. Budding

  4. Regeneration


Correct Option: B

Which of the following statements about regeneration is not true?

  1. A broken piece or fragment gives rise to whole new body.

  2. It involves specialized cells.

  3. It is a mode of sexual reproduction.

  4. Cells undergo changes to become different cell types and tissues during regeneration.


Correct Option: C

Continuity of species is maintained by the process known as _______________.

  1. nutrition

  2. speciation

  3. reproduction

  4. variation


Correct Option: C

Which of the following statements about budding is not true?

  1. The bud grows and develops independent of the parent body.

  2. It is a mode of asexual reproduction.

  3. Bud arises due to repeated divisions on the parent body.

  4. A constriction at the base of the bud separates it from the parent body.


Correct Option: A

The two modes of reproduction are _____________.

  1. asexual and bisexual

  2. asexual and sexual

  3. bisexual and sexual

  4. unisexual and bisexual


Correct Option: B

Tissue culture is a technique of growing plants by _______________.

  1. natural selection

  2. sexual reproduction

  3. vegetative propagation

  4. spore formation


Correct Option: C

'Ornamental plants' are propagated by which of the following techniques?

  1. Budding

  2. Fragmentation

  3. Tissue culture

  4. Regeneration


Correct Option: C

Budding in hydra and yeast occurs by ______________.

  1. longitudinal division of parent body into two

  2. transverse division of parent body into two

  3. formation of an outgrowth on the parent body

  4. formation of spores in the parent body


Correct Option: C

Asexual reproduction involves ____________________.

  1. introduction of variations

  2. spore formation

  3. gamete formation

  4. meiosis


Correct Option: B
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