Biology Test Questions

Biology Test Questions Question 1 (10 points) Chromatids are 1. attached at the centriole. 2. a pair of chromosomes, one from the mother and one from the father. 3.

attached at their centromeres. 4. identical until crossing over occurs. 100.0% 5. both 3 and 4 are correct Score: 10.0 / 10.0 Question 2 (10 points) Different, or alternative, forms of the same gene are called 1. genetomorphs. 100.0% 2. alleles.

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3. mutants. 4. chromatids. 5. homologous.

Score: 10.0 / 10.0 Question 3 (10 points) If a diploid organism has a genome consisting of 4(four) chromosomes, it can produce different combinations of maternal and paternal chromosomes in the offspring (disregarding crossing over). 1. 4 2. 8 3. 12 100.0% 4.

16 5. 32 Score: 10.0 / 10.0 Question 4 (10 points) Asexual reproduction 1. Is the common form of reproduction in higher organisms. 100.0% 2. Requires only one parent.

3. Produces a wide variety of offspring. 4. Both 2 and 3 5. 1, 2 and 3 Score: 10.0 / 10.0 Question 5 (10 points) During crossing over, undergo breakage and exchange segments 1. Sister chromatids 2.

Non sister chromatids of a homologous pair 3. Nonhomologous chromatids 0.0% 4. X and Y chromosomes Score: 0.0 / 10.0 Question 6 (10 points) Asexually produced daughter cells are 1. identical to each other and the parent cell 2. different from the parent cell and each other 3.

identical to each other but different from the parent cell 0.0% 4. different from each other but identical to one of the parent cells Score: 0.0 / 10.0 Question 7 (10 points) Homologous chromosomes 1. May exchange parts during meiosis. 2. Have alleles for the same characteristics even though the gene expression may not be the same.

3. Are in pairs, one chromosome of each pair from the father and one from the mother. 4. Pair up during meiosis. 100.0% 5.

All of the above Score: 10.0 / 10.0 Question 8 (10 points) Sister chromatids of each chromosome are separated from each other during 1. Metaphase I 2. Anaphase I 3. Metaphase II 100.0% 4. Anaphase II 5.

Telophase II Score: 10.0 / 10.0 Question 9 (10 points) Prokaryotes reproduce by 1. binary fission. 2. mitosis. 3. meiosis.

4. 1 and 2 0.0% 5. 2 and 3 Score: 0.0 / 10.0 Question 10 (10 points) Which of the following is the same as a fertilized egg? 1. Primary oocyte 2. Primary spermatocyte 3. Mature ova 100.0% 4.

Zygote Score: 10.0 / 10.0 Science Essays.