1. Which among the following is not present in pure sugar ?
[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen
Show Answer
Correct Answer: C [Nitrogen]
Notes:
Pure Sugar is sucrose C12H22O11.
2. Which among the following in Human Heart is / are responsible for contractions that send the blood through the circulation?
[A] Left Atrium
[B] Both Atria
[C] Right Ventricle
[D] Both Ventricles
Show Answer
Correct Answer: D [Both Ventricles]
Notes:
Each half of the heart has two chambers: an atrium, and a lower chamber called the ventricle. The function of the ventricles is to pump blood into systemic and pulmonary circulations.
3. Bile is secreted by which of the following cells?
[A] Hepatocytes
[B] Brown Fat Cells
[C] Lymphocytes
[D] Somatocytes
Show Answer
Correct Answer: A [Hepatocytes]
Notes:
Bile is secreted by Hepatocytes. It is a complex aqueous secretion that originates from hepatocytes. It is modified distally by absorptive and secretory transport systems in the bile duct epithelium.
4. Meningitis is a disease which is characterized by inflammation of meninges , the covering that lie over the brain and spinal chord is caused by _______ ?
[A] Bacteria
[B] Virus
[C] Protozoa
[D] Fungi
Show Answer
Correct Answer: A [Bacteria]
Notes:
Meningitis is a disease which is characterized by inflammation of meninges, the covering that lie over the brain and spinal chord is caused by bacteria. The meninges are the three membranes that cover the brain and spinal cord.
5. Prophase, metaphase, anaphase & telophase are the stages of which of the following process?
[A] Mitosis / Meiosis
[B] Asexual reproduction
[C] sexual reproduction
[D] Cell metabolism
Show Answer
Correct Answer: A [Mitosis / Meiosis]
Notes:
Mitosis is a fundamental process for life. During mitosis, a cell splits to form two identical daughter cells by duplicating all of its contents, including its chromosomes. Prophase, metaphase, anaphase & telophase are the stages of
Mitosis.
6. Which among the following is / are correct regarding a mature sperm and ovum?
[A] They both are of approximately same size
[B] They both have equal number of Chromosomes
[C] They both contain flagella
[D] None of the above
Show Answer
Correct Answer: B [They both have equal number of Chromosomes]
Notes:
The number of chromosomes is reduced from 46 (23 pairs) to 23 during the process of meiosis. In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y. A human egg is haploid (has 23 chromosomes) and a sperm is haploid (has 23 chromosomes).
7. Which among the following Vitamin is added to the milk in some countries as it is lost during the process of Fat Removal (Skimming)?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D
Show Answer
Correct Answer: A [Vitamin A]
Notes:
Vitamin A is added to the milk in some countries as it is lost during the process of Fat Removal called Skimming. Vitamin A is important for good vision, a healthy immune system, and cell growth.
8. Taxonomically, tomato and potato belong to same __:
[A] Family
[B] Genus
[C] Species
[D] Order
Show Answer
Correct Answer: A [Family]
Notes:
Potato (Solanum tuberosum) and tomato (Lycopersicum esculentum) both belong to family Solanaceae, which is commonly called as the “potato family”. Many plants belonging to this family are sources of vegetables, fruits etc.
9. 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.
10. How many vocal cords are there in the human voice box?
[A] one
[B] Three
[C] Two
[D] Four
Show Answer
Correct Answer: C [Two]
Notes:
The vocal cords (also called vocal folds) are 2 bands of smooth muscle tissue found in the voice box (larynx). The larynx is set in the neck at the top of the windpipe (trachea). The vocal cords vibrate and air passes through the cords from the lungs to make the sound of your voice.