Botany - Reproduction Organisms - Quiz-4

A technique of micro propagation is

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somatic hybridization
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somatic embryogenesis
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protoplast fusion
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embryo rescue

Meiosis takes place in:

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Conidia
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Gemmule
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Megaspore
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Meiocyte

Which one of the following plants is monoecious ?

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Marchantia
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Pinus
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Cycas
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Papaya

What is true about the given figure?

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The plant concerned is Chara and A is Oogonium and B is Antheridium
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The plant concerned is Chara and B is Oogonium and A is Antheridium
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The plant concerned is Marchantia and A is Oogonium and B is Antheridium
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The plant concerned is Marchantia and B is Oogonium and A is Antheridium

Select the correct sequence of events.

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Gametogenesis $\to$ Gamete transfer $\to$ Syngamy $\to$ Zygote $\to$ Cell division (Cleavage) $\to$ Cell differentiation $\to$ Organogenesis
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Gametogenesis $\to$ Gamete transfer $\to$ Syngamy $\to$ Zygote $\to$ Cell division (Cleavage) $\to$ Organogenesis $\to$ Cell differentiation
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Gametogenesis $\to$ Syngamy $\to$ Gamete transfer $\to$ Zygote $\to$ Cell division (Cleavage) $\to$ Cell differentiation $\to$ Organogenesis
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Gametogenesis $\to$ Gamete transfer $\to$ Syngamy $\to$ Zygote $\to$ Cell differentiation $\to$ Cell division (Cleavage) $\to$ Organogenesis

Vegetative propagule in Agave is :

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Rhizome
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Bulbil
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Offset
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Eye

Examine the figure (A-D) given below and select the right option out of 1-4, in which all the four structures A, B, C and D are identified correctly:

Examine the figures (A - D) given above and select the right option out of 1 - 4, in which all the four structures A, B, C and D are identified correctly.

Options
A B C D

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Runner Archegoniophore Synergid Antheridium
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Offset Antheridiophore Antipodals Oogonium
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Sucker Seta Megaspore mother cell Gamma cup
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Rhizome Sporangiophore Polar cell Globule

Which of the following plants is monoecious?

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Marchantia polymorpha
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Cycas circinalis
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Carica papaya
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Chara

Read the following statements A and B and choose the correct option. Statement A: Asexual reproduction is a fast process. Statement B: Progeny of sexually reproducing
organisms show variations due to crossing over.

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Both statements A and B are correct
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Both statements A and B are incorrect
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Only statement A is correct
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Only statement B is correct

The sobriquet ‘terror of Bengal’ is given to water hyacinth because:

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it reproduces asexually at a phenomenal rate making it an invasive species in water bodies
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it is very damaging competitor to the jute crop in West Bengal
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it produces secondary metabolites such as cardiac glycosides causing death of cattle feeding on it
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it flowers once in a decade and when it does it produces lot of toxins into aquatic bodies

Both multiple fission and binary fission are seen in:

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Escherechia coli
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Plasmodium falciparum
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Amoeba
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Penicillum

If the number of chromosomes in a meiocyte of apple is 34, what would be the number of chromosomes in its somatic cells?

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17
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34
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51
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68

In some plants buds can grow where it normally would not. One such location may be in the margins of leaves. Name a plant where such buds are used as vegetative propagules:

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Eichhornia crassipes
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Bryophyllum
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Rhizophora
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Amorphophallus

In diploid organisms, specialized cells called meiocytes undergo meiosis. At the end of meiosis:

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all gametes produced are genetically identical
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four gametes are always produced from a meiocyte in all organisms
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only one set of chromosomes gets incorporated into each gamete
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50 % of gametes will have odd number and 50 % of gametes will have even number of chromosomes

Which of the following is not correctly matched?

	Vegetative propagule	Example
1.	Eye	Ginger
2.	Bulbil	Agave
3.	Leaf buds	Bryophyllum
4.	Offset	Water hyacinth

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1
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2
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3
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4

The given image shows:

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Chara
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Marchantia
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Sphagnum
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Lycopodium

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Practice Botany Quiz Questions and Answers

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Practice Botany Quiz Questions and Answers

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