1. What are the two categories of cell which nervous system is made up of__?
[A] Satellite cell and Boettcher cell
[B] neurons and glial cells
[C] Gastric chief cell, Parietal cell
[D] Tendon cell and Macula densa cell
Show Answer
Correct Answer: B [neurons and glial cells]
Notes:
The Nervous system is made up of two types of cells: Glia, which regulate homeostasis, providing support and protection to the function of neurons and Neurons, which transmit signals between them and from one part of the body to another.
2. Leishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is transmitted by the bite of certain species of_________?
[A] Mosquito
[B] Sand fly
[C] Bee
[D] None of the above
Show Answer
Correct Answer: B [Sand fly]
Notes:
Leishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is transmitted by the bite of certain species of Sandflies. The disease can present in three main ways: cutaneous, mucocutaneous, or visceral.
3. 1 gm of which of the following will produce maximum ATPs?
[A] Protein
[B] Carbohydrate
[C] Fats
[D] Minerals
Show Answer
Correct Answer: C [Fats]
Notes:
Fats are slowest but most energy-efficient source of food. Each gram of fat provides more energy on oxidation (and thus more ATPs).
4. What fraction of Human Blood is Plasma?
[A] 35%
[B] 45%
[C] 50%
[D] 55%
Show Answer
Correct Answer: D [55%]
Notes:
Blood plasma is the liquid component of whole blood, and makes up approximately 55% of the total blood volume. It is composed primarily of water with small amounts of minerals, salts, ions, nutrients, and proteins in solution. In whole blood, red blood cells, leukocytes, and platelets are suspended within the plasma.
5. The pneumatophores are negatively geotropic roots which grow upward & meant for gaseous exchange. These are a characteristic of _______?
[A] Halophytes
[B] Heliophytes
[C] Sciophytes
[D] Lithophytes
Show Answer
Correct Answer: A [Halophytes]
Notes:
A halophyte is a salt-tolerant plant that grows in soil or waters of high salinity. They consists of pneumatophores which are negatively geotropic roots which grow upward & meant for gaseous exchange.
6. The Red color of Red wine is mainly because of _____?
[A] Chemicals in Wine
[B] Pigments
[C] Color blended
[D] Ageing
Show Answer
Correct Answer: B [Pigments]
Notes:
The Red color of Red wine is mainly because of pigments such as anthocyanin. Anthocyanin is present in many fruits like plums, blueberries, and cherries.
7. Which among the following are found in all viruses?
[A] DNA and proteins
[B] Nucleic acid and capsid
[C] DNA and cell membrane
[D] RNA and cell wall
Show Answer
Correct Answer: B [ Nucleic acid and capsid]
Notes:
Viruses are made up of nucleic acid (either DNA or RNA; but not both) surrounded by a protein coat called a capsid. They do not contain a cell wall, proteins, or cell membrane
8. Which of the following statements is incorrect about large intestine?
[A] It secretes a number of hormones
[B] Villi is absent in large intestine
[C] It takes part in the absorption of water from the indigestible residue
[D] The colon is also called the large intestine
Show Answer
Correct Answer: A [ It secretes a number of hormones]
Notes:
First statement is incorrect because secretion of hormones is absent in large intestine. Small intestine secretes hormones. Other three statements are correct.
9. Which one of the following is a fast growing tree?
[A] Teak
[B] Eucalyptus
[C] Banyan
[D] Coconut
Show Answer
Correct Answer: B [Eucalyptus]
Notes:
Eucalyptus is the fast growing tree. Most eucalyptus species have a root depth of 1.5-2.0 metre and its root system is more specifically adapted to using rain-fed soil moisture from the upper soil profile, rather than from the groundwater table at considerable depth. The plant is significant for wood availability, livelihood generation and carbon sequestration that address the challenges of global warming and climate change.
10. Which of the following is the function of the liver?
[A] Promote digestion of food
[B] Promote respiration
[C] Store glucose as glucogen
[D] None of these
Show Answer
Correct Answer: C [Store glucose as glucogen]
Notes:
The liver’s main job is to filter the blood coming from the digestive tract, before passing it to the rest of the body. The primary functions of the liver are:
• Bile production and excretion
• Excretion of bilirubin, cholesterol, hormones, and drugs
• Metabolism of fats, proteins, and carbohydrates
• Enzyme activation
• Storage of glycogen, vitamins, and minerals
• Synthesis of plasma proteins, such as albumin, and clotting factors
