L11QZ – Reproduction

In which of the following groups of organisms do all the members have asexual method of reproduction?

A toad (or frog) , ameoba and mucor ( penicillium)

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A flowering plant, tape worm (or ascaris) and a green filamentous algae

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Mucor (or penicillium), a bird and a toad (or frog)

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Ameoba, mucor (or penicillium ) and a green filamentous algae

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The product after the union of the male and female gamete in animals is called

Sperm

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Egg

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Embryo

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Zygote

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In the diagram, the organ through which the embryo receives food, water and oxygen is labelled

iii

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iv

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ii

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i

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At fertilization

One chromosome from the male joins another from the female

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One gene from the male combines with another from the female

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The male nucleus fuses with the female nucleus

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One set of chromosome combines with another set from the female

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Double fertilisation is a unique features of

Angiosperms

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Bryophytes

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Pteridophytes

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Algae

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Using the diagram, the part labelled IV is for

excretion

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nourishment

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protection

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respiration

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In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called

Cohesion

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Pregnancy

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Implantation

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Viviparity

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One of the ways which body cells differ from gamete cells is in the

Type of centromeres they contain

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Number of chromosomes pairs they contain

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Type of chromatide they contain

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Number of chromosomes they contain

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The male sex cells also called gametes are produced in the testes by a process called

Gametogenesis

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Implantation

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Spermatogenesis

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Spermatozoa

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Using the diagram, A plant that exhibits the type of reproduction shown in IV is

cola

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ginger

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bryophyllum

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sugar cane

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In man, identical twins occur when

An ovum is fertilized by a sperm and then divide into two, each forming a separate embryo

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An ovum fertilized by two sperms and then divides into two, each forming an embryo

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Two ova are fertilized at the same tine each forming an embryo

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One ovum first divides into two and each half is fertilized by a sperm before developing into an embryo

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Fertilization in humans usually takes place in the

Lower part of the uterus

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Upper part of the uterus

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Lower part of the oviduct

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Upper part of the oviduct

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Which of the statements below is not characteristic of wind-pollinated flowers?

Stigmas are usually large and feathery

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Nectary is usually absent

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The pollen grains have rough spiny surfaces

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The flowers are not scented.

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Using the diagram, sexual reproduction is illustrated

ii

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i

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iii

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iv

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Which of the following group does NOT reproduce asexually?

Penicillium, Paramecium and Amoeba

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Mucor, Rhizophus and Penicillium

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Amoeba, Spyrogyra and Mucor

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Rhizophus, Ascaris and Amoeba

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Hermophroditic reproduction can be found among the

Arthropods and nematodes

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Pisces and amphibians

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Annelids and molluscs

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Coelenterates and platyhelminthes

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The following events take place during conjugation in spirogyra;

1. The protoplasm of each of the conjugating cell separate from the cell wall to form a Gamete; the gamete of one filament passes through the conjugation tube to meet the gamete of the other filament

2. The zygote soon become surrounded by thick brown wall to become zygospore which burst after a short rest and germinate to produce a new filament

3. The nuclei of the gametes fuse to form a zygote

4. The protuberance meet and where they touch the cell-wall disappear so that a conjugation tube joining the two cell is formed

5. protuberance appear on the wall of the cell of two filament of spirogyra lying side by side opposite one another. Now what is the correct sequence in which the above sequence occur?

1,2,3,4,5

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1,2,4,5,3

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5,4,3,1,2

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5,4,1,3,2

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For pollen to be released in Crotalaria the insect must depress the

Wing

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Keel

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Standard

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Antepetalous stamen

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The type of reproduction that is common to both Hydra and yeast

Conjugation

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Binary fission

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Grafting

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Budding

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Which of these is not a characteristics of a wind pollinated flowers?

A smaller quantities of sticky pollen produce

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Small inconspicuous scentless flower

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Large anthers which are loosely attached to the filament

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Light pollen grains produced in large quantities from the anthers

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The plantain reproduces asexually by

Suckers

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Buds

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Fragments

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Spores

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Identical twins inherit their genes from

Different eggs and sperms

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The same egg and sperm

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Two eggs and a sperm

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One egg and two sperms

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Parental care is exhibited by?

snails

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earthworms

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birds

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toads

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Which of these plants groups are normally propagated by asexual means?

Banana, yam, pineapple and cassava

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Yam, cassava, rubber and banana

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Yam, cassava, orange and banana

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Banana, cashew, coffee and pineapple

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A water medium is necessary for fertilization in

Fungi

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Conifers

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Ferns

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Angiosperms

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In the diagram, it shows that the organisms are?

hermaphrodite

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viviparous

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oviparous

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ovoviviparous

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Which of the following groups of invertebrates reproduces by budding?

Arthropoda

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Annelids

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Molluscs

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Coelenterata

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During ovulation, an egg is released from the

Corpus luteum

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Ovarian funnel

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Graafian follicle

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Fallopian tube

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In the diagram, the male sex cells are contained in the part labelled?

I

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II

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III

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IV

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In which of the following does external fertilization takes place?

Toad

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Lizard

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Bird

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Cockcroach

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The reproductive system of a male mammal is made up of

Claspers, prostrate, gland, sperm duct and vas deferens

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Testis, prostrate gland, sperm duct and vas deferens

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Oviduct, urethra, testis and sperm duct

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Testis, uterus, prostrate gland and sperm duct

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In the diagram, the likely pollinating agent of the flower is?

wind

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water

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insect

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man

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Fruits which develop without fertilization are described as

Simple

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Parthenocarpic

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Aggregate

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Compound

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In the male reproductive system of a mammal, sperm is stored in the

Van deferens

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Urethra

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Epididymis

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Seminiferous tubules

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The part that performs urinogenital function in the male reproductive system is the?

seminal vessicle

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epididymis

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urethra

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ureter

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Vegetation propagation is described as asexual reproduction because

Reproductive organs are not involved

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New individuals are not formed

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Many new plants are produced

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There is no exchange of genetic materials

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The type of asexual reproduction that is common to both Paramecium and protists is

Budding

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Sporulation

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Fragmentation

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Fission

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The barrier between maternal and fetal blood is the?

placenta

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liver

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umbilical cord

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uterine wall

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Double fertilization in higher plants is significant because it ensures the

Formation of a fertile embryo

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Formation of a fertile embryo and the endosperm

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Development of the seed

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Development of the fruit

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The transfer of pollen grains from the anther to a sigma is

Propagation

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Placentation

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Pollination

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Fertilization

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petaloid sepals serve the function of?

carrying out photosynthesis

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attracting pollinating agents to a flower

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retaining pollen grains in the corolla tubes

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protecting the inner floral parts of the flower

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Which of the following is TRUE of the process of conjugation in paramecium?

Micronucleus disintegrates

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Each ex-conjugant divides only once

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Macronucleus undergoes division

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Each micronucleus divides twice

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The male reproductive organ of a flower is the

Carpel

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Stamen

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Petal

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Sepal

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Which of the following is NOT a family planning method?

abstinence

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contraceptive device

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masturbation

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sterilization

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In animals, meiosis comes

After fertilization

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After ever mitotic division

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Before fertilization

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Before every mitotic division

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When the adults have reach a certain degree of weakness, the process of binary fission is replaced by conjugation in

Paramecium

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Euglena

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Amoeba

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Plasmodium

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Use the diagram below to answer this question

The process illustrated is

gametogenesis

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sexual reproduction in Rhizopus

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sexual reproduction in Spirogyra

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sporulation

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The sex of a foetus is determined during

Meiosis

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Copulation

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Fertilization

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Placentation

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Which of the following is not part of the mammalian male reproductive organ?

Epididymis

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Vas deferens

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Testis

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Vulva

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Use the diagram below to answer this question

The structure labeled I is the

zygospore

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conidiosphere

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sporangium

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hypha

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L11QZ – Reproduction

L11QZ – Reproduction

Timothy Oni February 2, 2024

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