11. The cells of all living biological matter are made of four major elements. The elements are:
[A] Carbon, Hydrogen, Oxygen and Phosphorous
[B] Carbon, Hydrogen, Oxygen and Nitrogen
[C] Carbon, Hydrogen, Oxygen and Sulphur
[D] Sodium, Chlorine, Potassium and Magnesium
Show Answer
Correct Answer: B [ Carbon, Hydrogen, Oxygen and Nitrogen]
Notes:
The four major elements are Carbon, Hydrogen, Oxygen and Nitrogen.
12. Which among the following species is a tapeworm?
[A] Schistosoma
[B] Taenia
[C] Fasciola
[D] Enterobius
Show Answer
Correct Answer: B [Taenia]
Notes:
Taenia is a taxonomic rank of tapeworm (helminth) that includes some main parasites of livestock. There are more than 100 species of Taenia. Taenia is responsible for taeniasis and cysticercosis in humans. They are morphologically characterized by a ribbon like body composed of a series of segments called proglottids.
13. What is that gene called which have two or more than two characters?
[A] Duplicate gene
[B] Pleiotropic gene
[C] Polymeric gene
[D] Su-HW gene
Show Answer
Correct Answer: B [Pleiotropic gene]
Notes:
A single gene may have two or more phenotypic expressions or characters. The multiple phenotypic effect of a single gene is called pleiotropism. Hence the gene associated with this phenomenon is called Pleiotropic gene.
14. How many types of tissues are present in the body of all complex animals?
[A] 400
[B] 4000
[C] 40
[D] 4
Show Answer
Correct Answer: D [4]
Notes:
In biology, tissue is a cellular organizational level between cells and a complete organ. Animal tissues are grouped into four basic types: connective, muscle, nervous, and epithelial.
15. Plant tissues are of how many types?
[A] 3
[B] 2
[C] 5
[D] 6
Show Answer
Correct Answer: A [3]
Notes:
Plants have only three tissue types: 1) Dermal; 2) Ground; and 3) Vascular. These tissues can be simple, consisting of a single cell type, or complex, consisting of more than one cell type.
16. Consider the following statements:
I. Meningococcal Meningitis is transmitted from person to person by mosquito bites.
II. Vomitting and neck pain are two of the symptoms of Meningococcal Meningitis.
Which of the statements given above is/are correct?
[A] I only
[B] II only
[C] Both I and II
[D] Neither I nor II
Show Answer
Correct Answer: B [II only]
Notes:
This virus is spread by mosquito bites and has become an important cause of viral meningitis in most of the United States.
Bacterial meningitis symptoms may develop within hoursor days. Fever, severe headache, and neck stiffness are the hallmark symptoms of meningitis. Others include: Nausea and vomiting.
17. Which vitamin is also called as “Folic acid”?
[A] Vitamin B3
[B] Vitamin B6
[C] Vitamin B9
[D] Vitamin B12
Show Answer
Correct Answer: C [Vitamin B9]
Notes:
Vitamin B9 is also called as the folic acid. Folic acid is converted into folate in the human body. Folate is essential for making DNA and RNA.
Extra info: Folic acid /B9 is recommended to the pregnants to reduce the risk of Neural Tube Defects in the foetus.
18. Which among the following is a water soluble vitamin?
[A] Vitamin A
[B] Vitamin C
[C] Vitamin D
[D] Vitamin E
Show Answer
Correct Answer: B [Vitamin C]
Notes:
Except vitamins A, D, E and K, remaining all vitamins are water soluble vitamins. Vitamins A, D, E and K are fat soluble vitamins.
19. What does B denote in the term RBCs ?
[A] Build
[B] Blood
[C] Bloody
[D] Building
Show Answer
Correct Answer: B [Blood]
Notes:
The term RBC stands for Red Blood Cells (RBCs) which performs the function of transferring oxygen to other tissues of the body. The RBCs are also known as Red Blood Corpuscles.
20. In which part of the body cholesterol is synthesized?
[A] Pancreas
[B] Liver
[C] Spleen
[D] Stomach
Show Answer
Correct Answer: B [Liver]
Notes:
Cholesterol is a type of Lipid or the fat present in blood. The majority of the cholesterol consumed by the human body on a daily basis is synthesised by Liver.
