Embryology Quiz
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During germination pollen tube comes out through
A. Exine
B. Intine
C. Callose
D. Germ pore
Supports the stigma, serves as passageway for pollen
A. Anther
B. Style
C. Stem
D. Ovule
The single cotyledon of a monocot embryo
A. Scutellum
B. Coleoptile
C. Coleorrhiza
D. Epiblast
The Law of Crosscutting states that a fault or intrusion is __________ than the bodies of rock it cuts through.
A. younger
B. older
C. funnier
D. nastier
Intine is made of
A. Pecto-cellulose
B. Sporopollenin
C. Callose
D. Pollenkitt
Campylotropous ovule is
A. Straight and upright
B. Body bends 180 degree and Inverted
C. Horse shoe shaped
D. Body slightly curved and right angles to the funiculus
Amoeboid tapetum is also known as
A. Invasive tapetum
B. Glandular tapetum
C. Parietal tapetum
D. Secretory tapetum
What is an embryo?
A. An early stage of development of a multicellular organism.
B. A sex cell that begins to grow and diversify.
C. The genome of an organism before birth.
D. The fluid sac surrounding a developing organism in its earliest stages.
Which among the following is not a function of Tapetum
A. Transport of nutrients
B. Synthesis of callase
C. Recognition of compatible pistil
D. Growth of pollen tube
The sporophyte stage is
A. haploid
B. diploid
Fossils can provide evidence of how life has changed over time, how Earth’s surface has changed, and clues about what past environments were like.
A. TRUE
B. FALSE
Leaflike parts that cover and protect the flower bud
A. Ovary
B. Sepals
C. Style
D. Pollen
The fibrous wall layer of a mature anther
A. Epidermis
B. Endothecium
C. Tapetum
D. Middle layer
States that younger rocks lie above older rocks if the layers have not been disturbed
A. Law of crosscutting
B. Law of superposition
C. Relative Dating
D. Unconformity
Myrmecophily is pollination by
A. Ants
B. Bats
C. Birds
D. Snails
Analyze the seashell found in the white layer. Which statement is true of the rock layer that contains this fossil?
A. It could also contain a fossil from the bottom layer.
B. It is older than the layers below it.
C. It is younger than the layers above it.
D. It is older than the layers above it.
Ruminate endosperm occurs in
A. Annonaceae
B. Cruciferae
C. Euphorbiaceae
D. Asteraceae
When scientists see similarities between a hippopotamus embryo and a rabbit embryo, this suggests:
A. Rabbits evolved from hippopotamus.
B. Hippopotamus share a common ancestor with rabbits.
C. Hippopotamus evolved from rabbits.
D. Hippopotamus and rabbits share the same traits.
The stalk of the ovule
A. Funicle
B. Integument
C. Hilum
D. Nucellus
In simultaneous type of microsporogenesis
A. Each nuclear division is followed by cell wall formation
B. Nuclear divisions are immediately followed by cell plate formation
C. The cell is divided into two equal halves
D. The dyad nuclei lie in the common cytoplasm
Which rock layer in the diagram seems to be the oldest?
A. F
B. E
C. B
D. A
Cohesive mass of pollen grains held together by a common sticky substance.
A. Callose
B. Pollinium
C. Compound pollen grain
D. Sporopollenin
The primary endosperm nucleus in angiosperms are
A. Haploid
B. Diploid
C. Triploid
D. Polyploid
In the the third embryonic stage (bottom row), mammal embryos _____
A. have more characteristics in common with each other than with reptiles or birds.
B. are still hard to tell from reptiles and birds.
C. have the same features as fish, reptiles, and birds.
D. do not have tails.
The cells lying at the chalazal end of embryosac
A. Egg
B. Synergids
C. Antipodals
D. Central cell
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