Zoology - Online Test
Q1. As Soham, ages with chronic CAD the lumen of his coronary artery may get nearly completely obstructed Result is flow of blood to heart tissue is restricted such that the tissue receives inadequate supply of oxygen rich blood and this condition is diagnosed as :
Answer : Option C
Explaination / Solution:
In case of chronic CAD, the lumen of coronary artery may get nearly completely obstructed that results into restricted flow of blood to heart. The tissue receives inadequate bloods called myocardial ischemia.
Q2. Potency of injury that can be caused by a radioactive isotope will not depend upon
Answer : Option A
Explaination / Solution:
Radioactive isotopes releases harmful radiations that may cause injury to health. Potency of injury will depends upon its rate of being absorbed or excreted, penetrating ability and its ionizing power and not on the place of availability.
Q3. Which one is not a significance of meiotic cell division?
Answer : Option B
Explaination / Solution:
Meiosis cell division results in halving of chromosome number in daughter cells, recombination of genes and formation of spores and gametes.
Q4. Elution can be done by using the enzyme
Answer : Option A
Explaination / Solution:
Elution is the process of extracting one material from another by washing with a solvent. Elution can be done by using enzyme agarase that can catalyze the hydrolysis of agar.
Q5. Rahul is anaemic and few days ago suffered from massive haemorrhage. Now what problems he may face :
Answer : Option D
Explaination / Solution:
If anemic person suffered from massive haemorrhage, the problem he may face includes, very low blood pressure, accumulation of wastes products in body and no glomerular filtration in kidney.
Q6. Some ancient organism still survive on earth but most of them have become extinct this is because of
Answer : Option C
Explaination / Solution:
Some ancient organism still survive on earth but most of them have become extinct this is because of presence of characteristic which enable them to survive better in natural conditions.
Q7. What is the difference between the taxonomic categories of division and phylum?
Answer : Option A
Explaination / Solution:
In case of plants, classes with a few similar characters are assigned to a higher category called division, whereas phylum was used to refer animals. Hence, the correct option is Division refers to plants whereas phylum refers to animals.
Q8. Phosphorus will not make part of
Answer : Option A
Explaination / Solution:
Phosphorus is not present in amino acids. Nucleic acids, ATP and Teeth contain phosphorus. Amino acids polymerases to form protein.
Q9.
Muscular dystrophy is a genetic disorder.
i. It is genetically inherited.
ii. Some people get affected by MD due to mutated dystrophin gene and nutritional defects at the pre-natal age.
iii. Predominantly males are affected by DMD although females can be carriers of it.
iv. Dystrophin is a protein found in tendons.
Answer : Option D
Explaination / Solution:
Muscular dystrophy is a genetic disorder and genetically inherited. It may also occurs due to mutated dystrophin gene and nutritional defects at the pre-netal age. Males are more affected by MD although females can be carriers of it.
Q10. The organization set up by Indian government for making decisions regarding validity of GM research is
Answer : Option C
Explaination / Solution:
The Genetic Engineering Appraisal Committee (GEAC) is the apex body constituted in the Ministry of Environment and Forests under 'Rules for Manufacture, Use, Import, Export and Storage of Hazardous Microorganisms/Genetically Engineered Organisms or Cells 1989', under the Environment Protection Act, 1986.
