Genetics Question Online Test 12

Solve Genetics Questions Online Test for 11th and 12th, Bachelor Studies,competitive Examination like CSIR NET, CBSE NEET, IELTS, GRE etc .

1. The law of dominance is illustrated in the garden pea by

• heterozygous tall × heterozygous tall
• homozygous tall × homozygous tall
• pure short × pure dwarf
• homozygous tall × pure dwarf

2. Which of the following Mendel’s laws has not been proved to be true in all cases?

• Law of segregation
• Mendel’s second law of inheritance
• Law of dominance
• Law of purity of gametes

Genetics Question Online Test 11

Solve Genetics Questions Online Test for 11th and 12th, Bachelor Studies,competitive Examination like CSIR NET, CBSE NEET, IELTS, GRE etc .

1. Mendel grouped all contrasting characteristics in _______ pairs.

• 15
• 14
• 7
• 6

2. The conclusion drawn by Mendel based on monohybrid cross was

• each factor exist in two contrasting or alternative forms
• one of the forms is dominant and other is recessive.
• inheritance of each character is controlled by a pair of factors
• all of the above

Genetics Questions Online Test 10

Solve Genetics Questions Online Test for 11th and 12th, Bachelor Studies,competitive Examination like CSIR NET, CBSE NEET, IELTS, GRE etc .

1. To eliminate chance factor, Mendel performed

• monohybrid cross
• dihybrid cross
• reciprocal cross
• trihybrid cross

2. Mendel always started his experiment(Monohybrid and Dihybrid cross) with

• any pea plant
• a heterozygous plant
• a pure line plant
• a fresh new plant

Genetics MCQs part 9

Solve Genetics Questions Online Test for 11th and 12th, Bachelor Studies,competitive Examination like CSIR NET, CBSE NEET, IELTS, GRE etc .

1. The external appearance of an individual for any trait is called as

• phenotype
• karyotype
• morphology
• physique

2. Genotype is

• genetic constitution of an organism
• genetic constitution of somatic cells
• genetic constitution of plastids
• genetic constitution of germ cells

3. Homozygous individuals

• breed true to the trait
• does not breed true to the trait
• produce only one type of gamete
• both (A) and (C)

4. Which of the following term indicates a pair of dissimilar alleles?

• Homozygous
• Heterozygous
• Homologous
• All of these

5. A cross between two pure individuals, differing in atleast one set of characters, is called

• monohybrid
• polyploid
• mutant
• variant

6.F₁ generation means

• first flowering generation
• first fertile generation
• first filial generation
• first seed generation

7. Filial means

• offsprings produced in sexual reproduction
• offsprings produced in asexual reproduction
• offsprings produced in vegetative reproduction
• both (B) and (C)

8. F2 generation is produced by

• crossing F1 progeny with one of the parents
• selfing the heterozygous progeny
• selfing the parents
• a cross between recessive parents

9. In genetics, the use of checkerboard was done by

• Mendel
• Correns
• Punnet
• Darwin

10. Mendel, in his experiments

• maintained qualitative records
• maintained quantitative records
• conducted ample crosses and reciprocal crosses
• all of the above

Score =

Correct answers:

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Genetics MCQs part 8

Solve Genetics Questions Online Test for 11th and 12th, Bachelor Studies,competitive Examination like CSIR NET, CBSE NEET, IELTS, GRE etc .

1. The botanical name of garden pea is

• Pisum sativum
• Lathyrus odoratus
• Mangifera indica
• Solanum tuberosum

2. Which of the following is a dominant character in pea?

• Wrinkled seeds
• Inflated pod
• Terminal flower
• Dwarf plant

3. Which of the following character was not considered by Mendel?

• Seed coat colour
• Wrinkled or round leaves
• Tallness or dwarfness
• Position of flower

4. An inherited character and its detectable variant is called

• allele
• trait
• gene
• both (A) and (B)

5. Which one of the following best describes a gene?

• A triplet of nucleotide bases
• A specific length of DNA responsible for the inheritance and expression of the character
• A specific length of single stranded RNA
• Both (B) and (C)

6. Mendel’s “factors” are in fact

• units
• chromosomes
• genes
• none of these

7. Who coined the term ‘gene’ for ‘factor’?

• Mendel
• Morgan
• Johannsen
• Punnett

8. Alleles or allelomorphs occupy

• same position on homologous chromosomes
• same position on heterozygous chromosomes
• different position on homologous chromosomes
• different position on heterozygous chromosomes

9. Who proposed the term ‘Allelomorph’?

• Hugo De Vries
• Morgan
• Tschermak
• Bateson

10. Dominant allele means

• an allele whose effect is masked by another allele
• an allele that prevents the expression of the other allele
• an allele without any effect
• an allele which cannot express in presence of other

Score =

Correct answers:

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Enzymes MCQs Part 7

1. In acute pancreatitis, the enzyme raised in first five days is

• Serum amylase
• Serum lactic dehydrogenase
• Urinary lipase
• Urinary amylase

2. Acute pancreatitis is characterised by

• Lack of synthesis of zymogen enzymes
• Continuous release of zymogen enzymes into the gut
• Premature activation of zymogen enzymes
• Inactivation of zymogen enzymes

3. An example of functional plasma enzyme is

• Lipoprotein lipase
• Amylase
• Aminotransferase
• Lactate dehydrogenase

4. A non-functional plasma enzyme is

• Psudocholinesterase
• Lipoprotein lipase
• Proenzyme of blood coagulation
• Lipase

5. The pH optima for salivary analyse is

• 6.6–6.8
• 2.0–7.5
• 7.9
• 8.6

6. The pH optima for pancreatic analyse is

• 4.0
• 7.1
• 7.9
• 8.6

7. The pH optima for sucrase is

• 5.0–7.0
• 5.8–6.2
• 5.4–6.0
• 8.6

8. The pH optima for maltase is

• 1.0–2.0
• 5.2–6.0
• 5.8–6.2
• 5.4–6.0

9. The pH optima for lactase is

• 1.0-2.0
• 5.4–6.0
• 5.0–7.0
• 5.8–6.2

10. The substrate for amylase is

• Cane sugar
• Starch
• Lactose
• Ribose

Score =

Correct answers:

Enzymes MCQs Parts => 1.. 2.. 3.. 4.. 5.. 6.. 7.. 8..