Animal Biotechnology Questions Online Test 12

1. A knockout mouse is so named because _____________

• it contains aggression genes
• it contains multiple copies of a human gene
• it contains an activated human gene
• none of the above

2. The first patent for a transgenic organism was awarded in 1988. Which organism was patented?

• A yeast used in industrial processes
• A bacterium able to metabolize components of crude oil
• A mouse that manufactures human protein in its milk
• Life forms cannot be patented

Animal Biotechnology Questions Online Test 11

1. Bioethcs is related to ________________

• Preventing biopiracy
• Regulation of unethical activities likegene cloning in animals
• Preventing theft of living materials
• Moral guidance to the problems in biology

2. Pasteur chose the Latin root word for "virus" meaning ____________ Answer: C

• extremely small
• non-living
• poison
• particle

Plant Biotechnology MCQs Part 8

1. ________ fixes molecular nitrogen in the roots of leguminous plant.

• Rhizobium species
• Bacillus species
• Clostridium species
• Staphylococcus species

2. Rizobium is a Gram ______ bacterium

• negative rod
• negative spherical
• positive rod
• positive spherical

3. Nodule bacteria were isolated by _______.

• Watson
• Crick
• Nitesh
• Beijernck

4. Nodule bacteria were isolated by Beijernck in ______.

• 1988
• 1888
• 1788
• 1688

5. Conversion of molecular nitrogen into ammonia by free living organism is called __________ nitrogen fixation.

• atmospheric
• industrial
• nonsymbiotic
• symbiotic

6. Conversion of molecular nitrogen into ammonia by organism in the root itself is called __________ nitrogen fixation.

• atmospheric
• industrial
• nonsymbiotic
• symbiotic

7. Non symbiotic nitrogen fixers are _______.

• bacteria
• virus
• fungi
• nematodes

8. Non symbiotic nitrogen fixing bacterium is _______.

• Anabena
• Azomonas
• Rhizobium
• Klebsiella

9. Non symbiotic nitrogen fixing cyanobacterium is _______.

• Anabena
• Azomonas
• Rhizobium
• Klebsiella

10. Heterocyst is the structure present in _______.

• Anabena
• Azomonas
• Rhizobium
• Azospirillum

Score =

Correct answers:

Plant Biotechnology MCQs Parts => 1.. 2.. 3.. 4.. 5.. 6.. 7.. 8.. 9..

Plant Biotechnology MCQs Parts => 1.. 2.. 3.. 4.. 5.. 6.. 7.. 8.. 9..

Animal Biotechnology MCQs Part 10

1. Which statement is NOT true about a retrovirus?

• It may cause cancer or AIDS
• It contains reverse transcriptase
• It is known to cause diseases only in animals, not in humans
• It has the capacity to integrate cDNA into the host DNA of the cell it infects

2. Blood cells that transport oxygen within the body are the _____________ .

• plasma
• erythrocytes
• platelets
• leukocytes

Animal Biotechnology MCQs Part 9

1. Introduction of foreign genes for improving genotype is ______________

• Tissue culture
• Immunisation
• Biotechnology
• Genetic engineering

2. Where do the female gonads (paired ovaries) lie?

• Pelvic cavity
• Thoracic cavity
• abdominal
• Scrotal sacs

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..