Question 1

Angiosperms are unique in having double fertilization that forms endosperm. What is true about double fertilization in angiosperms?

Accepted Answer

A)  One sperm combines with the polar nuclei to form the zygote, and one sperm combines with the egg to form endosperm. 
B)  One sperm combines with the egg to form the zygote, and one sperm combines with the polar nuclei to form endosperm. 
C)  Two sperm combine with a polar nucleus to form endosperm. 
D)  Two sperm combine with two eggs to form the zygote and endosperm. 
A)  One sperm combines with the polar nuclei to form the zygote, and one sperm combines with the egg to form endosperm. 
B)  One sperm combines with the egg to form the zygote, and one sperm combines with the polar nuclei to form endosperm. 
C)  Two sperm combine with a polar nucleus to form endosperm. 
D)  Two sperm combine with two eggs to form the zygote and endosperm.

Question 2

In which type of biome would the occurrence of seed dormancy be rare?

Accepted Answer

A)  tundra 
B)  tropical rain forest 
C)  desert 
D)  taiga 
E)  grasslands 
A)  tundra 
B)  tropical rain forest 
C)  desert 
D)  taiga 
E)  grasslands

Question 3

You find a fruit that has little hooks around the outside of the pericarp. You can assume that is/are the pollinator.

Accepted Answer

A)  mammals 
B)  wind 
C)  birds 
D)  cannot answer based on the information given 
A)  mammals 
B)  wind 
C)  birds 
D)  cannot answer based on the information given

Question 4

While looking at a flower in your garden, you notice that it has carpels with very long styles and stamens with very short filaments. This plant is most likely to reproduce by

Accepted Answer

A)  asexually. 
B)  cross- pollination. 
C)  selfing. 
A)  asexually. 
B)  cross- pollination. 
C)  selfing.

Exam 38: Plant Reproduction and Development

Angiosperms are unique in having double fertilization that forms endosperm. What is true about double fertilization in angiosperms?

In which type of biome would the occurrence of seed dormancy be rare?

You find a fruit that has little hooks around the outside of the pericarp. You can assume that is/are the pollinator.

While looking at a flower in your garden, you notice that it has carpels with very long styles and stamens with very short filaments. This plant is most likely to reproduce by

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Water and Carbon: the Chemical Basis of Life

Protein Structure and Function

Nucleic Acids and the Rna World

An Introduction to Carbohydrates

Lipids, Membranes, and the First Cells

Inside the Cell

Energy and Enzymes

Cellular Respiration and Fermentation

Photosynthesis

Cellcell Interactions

The Cell Cycle

Meiosis

Mendel and the Gene

Dna and the Gene: Synthesis and Repair

How Genes Work

Transcription, Rna Processing, and Translation

Control of Gene Expression in Bacteria

Control of Gene Expression in Eukaryotes

The Molecular Revolution: Biotechnology and Beyond

Gene Structure and Development

Evolution by Natural Selection

Evolutionary Processes

Speciation

Phylogenies and the History of Life

Bacteria and Archaea

Protists

Green Algae and Land Plants

Fungi

An Introduction to Animals

Protostome Animals

Deuterostome Animals

Viruses

Plant Form and Function

Water and Sugar Transport in Plants

Plant Nutrition

Plant Sensory Systems, Signals, and Responses

Animal Form and Function

Water and Electrolyte Balance in Animals

Animal Nutrition

Gas Exchange and Circulation

Animal Nervous Systems

Animal Sensory Systems

Animal Movement

Chemical Signals in Animals

Animal Reproduction and Development

The Immune System in Animals

An Introduction to Ecology

Behavioural Ecology

Population Ecology

Community Ecology

Ecosystems and Global Ecology

Biodiversity and Conservation Biology

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