1. Herpetology is the branch of science that deals with the study of__?
[A] Fishes
[B] Insects
[C] Snakes
[D] Amphibians and Reptiles
Show Answer
Correct Answer: D [Amphibians and Reptiles]
Notes:
Herpetology is the branch of zoology which deals with the study of amphibians such as frogs, toads, salamanders, newts and the gymnophiona; and reptiles such as snakes, lizards, amphisbaenids, turtles, terrapins, tortoises, crocodilians and the tuataras.
2. An example of Protozoa, Anthropod, Aves, Mammal & Reptile is respectively __________?
[A] Amoeba, Lizard, Scorpion , Bat, Hen
[B] Amoeba, Scorpion, Hen, Bat , Lizard
[C] Amoeba, Scorpion, Bat ,Hen, Lizard
[D] Lizard, Amoeba, Scorpion, Bat ,Hen
Show Answer
Correct Answer: B [Amoeba, Scorpion, Hen, Bat , Lizard]
Notes:
An example of Protozoa, Anthropod, Aves, Mammal & Reptile is Amoeba, Scorpion, Hen, Bat , Lizard respectively.
3. Which among the following virus is also called as “Hit & Hide” Virus?
[A] RSV Virus (respiratory syncytial virus )
[B] Dengue virus
[C] Influenza virus
[D] HIV virus
Show Answer
Correct Answer: A [RSV Virus (respiratory syncytial virus )]
Notes:
RSV Virus (respiratory syncytial virus) is also called as “Hit & Hide” virus. It causes infections of the lungs and respiratory tract. It is a major cause of lower respiratory tract infections.
4. Which among the following controls the protein synthesis and heredity ?
[A] Amino acids
[B] Genes
[C] DNA
[D] RNA
Show Answer
Correct Answer: B [Genes]
Notes:
Genes controls the protein synthesis and heredity. It is the basic physical and functional unit of heredity and are made up of DNA. Some genes act as instructions to make molecules called proteins.
5. How many arteries are present in Human Umbilical Cord?
[A] 1
[B] 2
[C] 3
[D] 4
Show Answer
Correct Answer: B [2]
Notes:
The umbilical cord contains Wharton’s jelly, a gelatinous substance made largely from mucopolysaccharides which protects the blood vessels inside. It contains one vein and two arteries that carries oxygenated and deoxygenated blood respectively.
6. Which among the following is a correct definition of Hematocrit?
[A] proportion of blood volume that is occupied by red blood cells
[B] proportion of blood volume that is occupied by white blood cells
[C] proportion of blood volume that is occupied by Leucocytes and Thromobocytes
[D] proportion of blood volume that is occupied by plasma
Show Answer
Correct Answer: A [proportion of blood volume that is occupied by red blood cells]
Notes:
Hematocrit levels are used in doping tests of Athletes , (the RBCs are carriers of Oxygen). hematocrit levels also denotes the blood iron. hematocrit levels of 38 or higher are normally suitable for the donors to donate their blood. Here please note that sometimes its is asked in exams about the ion which can help better in blood coagulation and normally options given are Ca, Na, K & Fe+3. The obvious answer is Fe+3.
7. The “Red Tides” which are found in marine coastal areas such as “Florida red tide” that occurs in the Gulf of Mexico, is considered to be responsible for bioaccumulation and making local filter feeding organisms such as mussels and oysters toxic. Due to which of the following the “Red Tides” Occur?
[A] Bacteria
[B] Algae
[C] Fungi
[D] Toxic Wastes of the Industries
Show Answer
Correct Answer: B [Algae]
Notes:
Red tide is a common name for algal blooms. It is the large concentrations of aquatic microorganisms, such as protozoans and unicellular algae (e.g. dinoflagellates and diatoms). The upwelling of nutrients from the sea floor following massive storms, provides for the algae and triggers bloom events.
8. In context with diabetes, many often we hear about Type1 and Type2 diabetes. What exactly are these?
[A] Body does not produce Insulin in Type1, does not respond properly in Type 2
[B] Body does not respond to Insulin properly in Type 1 , does not produce in Type 2
[C] Body produces too little Insulin in Type 1 , produces too much insulin in Type 2
[D] Body produces too much insulin in Type 1, produces too little insulin in Type 1
Show Answer
Correct Answer: A [Body does not produce Insulin in Type1, does not respond properly in Type 2]
Notes:
Diabetes mellitus occurs when the body does not produce insulin (type I) or when the body does not respond properly to insulin (type II). This results in elevated blood glucose. In either type, overtreatment, or failure to eat properly while on treatment, can lead to hypoglycemia. Most diabetics recognize their symptoms when “low” and know to go eat something before it progresses to a dangerous point. Symptoms of high blood sugar are much different – thirst, increased urination, sleepiness.
9. Which of the following is most inclusive category of classification among others?
[A] Order
[B] Class
[C] Phylum
[D] Family
Show Answer
Correct Answer: C [ Phylum ]
Notes:
The higher the classification category, the more inclusive it is. Here phylum is highest so is most inclusive.
10. Who among the following has given the theory of evolution of species by natural selection?
[A] Mendel
[B] Darwin
[C] Dalton
[D] Morgan
Show Answer
Correct Answer: B [Darwin]
Notes:
Charles Robert Darwin gave the theory of evolution in his book “The Origin of Species”. The theory proposed by him is known as “The Theory of Natural Selection”.
