Sexual Reproduction in Flowering Plants Questions and Answers

List the events of glucose catabolism during cellular respiration in the correct order Include the inputs and outputs of each portion of the process Felic

1 Discuss how urbanization has altered the standard of living for people around the world

2 What are the advantages of the pollen grain over flagellated sperm 3 Which part of the pine life cycle represents the sporophyte

108 21 Question 12 Diffusion always causes

In Petunias immature styles express a high level of RNase a nuclease that catalyzes the degradation of RNA What type of SI Self Incompatibility would this affect and how O 1 It will enhance gametophytic Sl O2 It will stop gametophytic Sl 3 It will enhance sporophytic SI 4 It will have no effect O 5 5 It will stop sporophytic Sl

A basic difference between self pollination and cross pollination is 1 whether insects are involved in pollination 2 the method of pollen delivery 3 whether the pollen germinated 4 where the pollen came from 5 how often pollination occurs

The root hairs develop in the zone of elongation 1 True 2 False

Before You Read What kinds of organisms reproduce by making exact copies of the parent organism Give three or four examples on the lines below Create a Quiz After you have read this section create a five question quiz based on what you have learned After you have written the questions be sure to answer them Then share them with your classmates Type of asexual reproduction binary fission budding fragmentation spore formation egetative reproduction What is asexual reproduction Asexual reproduction is the formation of a new individual that has the same genetic information as its parent The individual is a clone or an exact copy of its parent Asexual reproduction occurs in one celled organisms such as bacteria and in multicellular organisms such as plants What types of asexual reproduction are there There are several types of asexual reproduction as shown in the table below Definition the splitting of a single parent cell into two equal parts that have the same coples of genetic material a group of rapidly dividing cells develops on an organism and breaks away to become a new organism 5 2 Summary a small piece of an organism breaks away from it and develops into a new individual parent organism produces spores single cells that can develop into new individuals by repeated mitosis special cells usually in the stems and roots of plants divide repeatedly to form structures that develop into a plant that is identical to the parent Examples of organisms that use this form of reproduction some kinds of bacteria amoeba some simple multicellular organisms such as hydras and sponges one celled yeasts some plants such as mosses and liverworts some animals such as some sea stars and corals common in fungi some plants and algae very common in most kinds of plants

The Red Queen Hypothesis suggests and seeks to explain why _______ is a useful and successful strategy to diversify a population which is under perpetual sele Conjugation Sexual Reproduction Binary Fission Reproduction via Fragmentation

People around the world today can enjoy fruits such as oranges, grapes, and watermelon without having to pick out the seeds. How can farmers best ensure that grocery stores are well supplied with these seedless fruits? a. by encouraging bees to only cross-pollinate seedless plants b. by selectively breeding seedless fruits c. by allowing fruit-bearing plants to naturally reproduce d. by removing all the seeds from the fruits after they are harvested

Once a cell has entered senescence, it will A. no longer replicate. B. move to G2. C. divide uncontrollably. D. divide immediately.

Which of the following statements does not describe a portion of the pine life cycle? The sporophyte grows by mitosis A pollen tube enters an ovule through a micropyle in the single integument. Pollen grains contain male gametophytes. Seeds develop in the ovulate cone after fertilization The male sporophytes use mitosis to produce diploid pollen grains

Thrips are insects that feed on rose pollen. Scientists noted that the thrips population increased in the spring and decreased dramatically during the summer. The researchers hypothesized that food abundance was the limiting factor for the population. Which of the following types of data would be most useful for the scientists to collect at regular intervals on a designated test plot of rose plants? (A) Amount of sunlight (hours/day) (B) Mean temperature (°C) (C) Density of rose pollen produced (g/m²) (D) Amount of pollen produced by each flower (g/flower)

Select the incorrect statement w.r.t. typical female gametophyte of flowering plants. The functional megaspore divides mitotically Six of the eight nuclei are separately surrounded by cell walls in embryo sac Each nuclear division is immediately followed by cell wall formation Polar nuclei are situated below the egg apparatus in the large central cell

A cross was performed in C. elegans, following the segregation of three linked genes, where the genetic map was A-----16cM-----B----9cM----C. The cross was performed between a parent with genotype aBc/aBc and a parent with genotype AbC/AbC. The F1 progeny were then testcrossed. Assuming an interference value of 24%, what proportion of the progeny is expected to be ABC/abc? A) 0.15% B) 0.3% C) 0.55% D) 1.1%

The formation of a tough wall of sporopellenin around the male gametophyte leads to the production of what end product? O Ovules O Eggs O Anthers O Stamens O Pollen