What are the multiple-choice questions regarding Mendel and Modern Genetics for 9th-grade Biology? What does the equipment used for practicing in the Biology curricula at the lower secondary level in Vietnam include?

What are the multiple-choice questions regarding Mendel and Modern Genetics for 9th-grade Biology?

9th-grade students may refer to the following multiple-choice questions regarding Mendel and Modern Genetics for 9th-grade Biology:

Multiple-choice questions regarding Mendel and Modern Genetics for 9th-grade Biology

Question 1: A trait is

A. the expression of a genotype into a phenotype

B. the external appearance of a living organism.

C. the internal characteristics of a living organism.

D. characteristics concerning the morphology, structure, and physiology of an organism.

Question 2: A purebred line is

A. a line that carries all homozygous gene pairs.

B. a line that is homozygous in genotype and expresses a uniform phenotype.

C. a line carrying homozygous dominant gene pairs.

D. a line carrying homozygous recessive gene pairs.

Question 3: According to Mendel, the trait expressed in the F1 hybrid is called

A. a recessive trait

B. a corresponding trait.

C. an intermediate trait.

D. a dominant trait.

Question 4: A contrasting trait is

A. traits of the same kind but with opposite expressions.

B. quantitative and qualitative traits.

C. a trait determined by a pair of alleles.

D. traits that are different from one another.

Question 5: What feature of the pea plant facilitates the research of Mendel's genetic laws?

A. It has bisexual flowers, with strict self-pollination.

B. Rapid reproduction and strong growth.

C. It has bisexual flowers, with non-strict self-pollination.

D. It has unisexual flowers and strict cross-pollination.

Question 6: What is the subject of genetics?

A. Various living species.

B. The nature and laws of heredity and variation.

C. The mechanism and laws of heredity and variation.

D. Pea plants.

Question 7: Mendel chose contrasting trait pairs for crosses because

A. it simplifies the pairing of parental pairs with each other.

B. it facilitates the tracking of genetic transmission of each trait pair across generations.

C. it allows for the use of statistical methods to analyze collected data.

D. it aids in the selection of purebred lines.

Question 8: The content of genetics is

A. studying the material basis and mechanism of hereditary phenomena.

B. studying the material basis, mechanism, and laws of hereditary phenomena.

C. studying the material basis, mechanism, and laws of hereditary phenomena and variation.

D. studying the material basis and laws of hereditary phenomena and variation.

Question 9: The significance of genetics is

A. providing theoretical basis for breeding science.

B. playing an important role in medicine and biotechnology.

C. both A and B are correct.

D. providing breeds for humans.

Question 10: According to Mendel, what is the genetic factor that remains intact from parents to offspring?

A. Allele

B. Genotype

C. Trait

D. Genetic factor.

Question 11: The law of segregation discovered by Mendel is based on what experiment?

A. A single trait cross experiment.

B. A multi-trait cross experiment.

C. A double trait cross experiment.

D. Creating a purebred line before crossing.

Question 12: A recessive trait is

A. a trait appearing in F2 with a ratio of ¼.

B. a trait expressed in a homozygous recessive genotype.

C. a trait not expressed in F1.

D. a trait overshadowed by a dominant trait.

Question 13: Complete dominance is which case below?

A. F1 is homogeneous while F2 segregates 3:1.

B. The gene for complete dominant traits completely masks the allele to express the dominant trait.

C. The hybrid generation shows only one dominant trait.

D. The dominant trait is expressed in a heterozygous genotype.

Question 14: When crossing two parents differing in a pair of contrasting purebred traits, then

A. F1 segregates traits in an average ratio of 3 dominant: 1 recessive.

B. F2 is homogeneous for the dominant trait.

C. F2 segregates traits in an average ratio of 3 dominant: 1 recessive.

D. All three above options.

Question 15: Among the following statements, how many are correct?

1. Phenotype is the complete set of traits of an organism.

2. Phenotype is the complete set of genes of an organism.

3. Each trait of the organism is governed by a pair of genetic factors.

4. The segregation of genetic factor pair Aa in F1 produces two types of gametes with equal ratio 1A: 1a.

5. The segregation of genetic factor pair Aa in F1 produces two types of gametes with unequal ratio.

A. 1 B. 2 C. 3 D. 4

Question 16: Fill in the missing words in the blank: "According to Mendel's law of segregation, when crossing individuals differing in … and …, the second generation expresses both parental traits in a ratio of …"

A. A pair of contrasting traits; purebred; two; 3 dominant: 1 recessive.

B. Two trait pairs; purebred; two; 3 dominant: 1 recessive.

C. A pair of contrasting traits; purebred; first; 3 dominant: 1 recessive.

D. A pair of contrasting traits; purebred; two; approximately 3 dominant: 1 recessive.

Question 17: What are the conditions for the law of segregation to hold true?

1. The traits in P are purebred.

2. The number of individuals obtained in the experiment must be large.

3. Genes in the nucleus and on the autosomes.

4. One gene governs one trait and complete dominance-recessiveness.

A. 1, 2, and 4. B. 1, 3, and 4. C. 1, 2, 3, and 4. D. 1 and 4.

*Note: The information is for reference purposes only./.

What are the multiple-choice questions regarding Mendel and Modern Genetics for 9th-grade Biology? What does the equipment used for practicing in the Biology curricula at the lower secondary level in Vietnam include? (Image from the Internet)

What does the equipment used for practicing in the Biology curricula at the lower secondary level in Vietnam include?

Under Section 8 of the Appendix of the General Education Program for Biology, issued under Circular 32/2018/TT-BGDDT, the equipment used for practicing in the Biology curricula at the lower secondary level in Vietnam includes:

- Microscope slide set: cells.

- Practical equipment set for: cells; cell division; microorganisms and viruses; metabolism and energy exchange in plants; frog heart dissection; wound dressing and bleeding control; growth and development in plants; chromosome mutation observation.

- Specimen box: classification of organisms, adaptive forms,...

- Measurement toolset: measures respiratory capacity and diaphragm activity in animals, blood pressure, heart rate, pH level,...

What are the requirements regarding the educational content of Biology at the lower secondary level in Vietnam?

Under Article 7 of the Education Law 2019, the requirements regarding the educational content of Biology at the lower secondary level in Vietnam are as follows:

- Contents of education must ensure the basic, comprehensive, practical, modern, systematic and up-to-date characteristics; with importance attached to ideological, ethical and civic consciousness education; preserving and developing the good traditions and the national cultural identity, absorbing the essence of the mankind culture; and suitable with the physical, intellectual and psycho-physiology development of various age groups and abilities of learners.