1. Opium is obtained from the dry latex from which part of the Papaver somniferum Plant?
[A] Stem
[B] Leaves
[C] Poppy
[D] Stem joints
Show Answer
Correct Answer: C [Poppy]
Notes:
Opium is dried latex which is obtained from the seed capsules of the opium poppy Papaver somniferum.
2. Which among the following diseases is also known as “Pink Eye”?
[A] Conjunctivitis
[B] Myopia
[C] Astigmatism
[D] Presbyopia
Show Answer
Correct Answer: A [Conjunctivitis ]
Notes:
Pink eye or Conjunctivitis is an irritation or inflammation of the conjunctiva, which covers the white part of the eyeball. It can be caused by allergies or a bacterial or viral infection.
3. Which among the following are the building blocks of human body ?
[A] Muscles
[B] Cells
[C] Neurons
[D] Proteins
Show Answer
Correct Answer: B [Cells]
Notes:
The building blocks of the human body are cells. Cells are the smallest unit of life and they perform all the functions necessary for the body to function. There are many different types of cells in the body, including muscle cells, nerve cells, and blood cells. These cells are organized into tissues, which are groups of similar cells that work together to perform a specific function. Tissues are then organized into organs, which are structures made up of multiple tissues that work together to perform a specific function, such as the heart or the liver. Organs are then organized into systems, which are groups of organs that work together to perform a specific function, such as the respiratory system or the circulatory system. Together, these building blocks allow the body to function as a whole.
4. Apart from sugarcane (most commonly Saccharum officinarum) which among the following plants is widely known in the world as a commercial source of table sugar ?
[A] Toona cilata
[B] Gloriosa superba
[C] Asparagus pulmosus
[D] Beta vulgaris
Show Answer
Correct Answer: D [Beta vulgaris]
Notes:
Beta vulgaris is beet or sugarbeet or Chukandar and has been widely used as a commercial crop for table sugar. Glorisoa superba is Glory Lily which is an ornamental plant. Asparagus pulmosus is also an ornamental plant. Brassica alba is common mustard. Toona cilata is a timber plant from which Indian Redwood is obtained.
5. Which of the following organ in human body produces albumin, one of the major components of blood serum?
[A] Bone Marrow
[B] Liver
[C] Pancreas
[D] Spleen
Show Answer
Correct Answer: B [Liver]
Notes:
Liver produces albumin which is one of the major components of blood serum. Albumin is the most abundant protein in human blood plasma and constitutes about half of serum protein.
6. The Gram Positive Bacteria can be identified by the Gram staining because of the following reasons?
[A] The cell walls have more lipids compared to peptidoglycan
[B] The Cells walls have more Peptidoglycan compared to Lipids
[C] The Cells membrane has more fatty acids
[D] The plasma has Peptidoglycans
Show Answer
Correct Answer: B [The Cells walls have more Peptidoglycan compared to Lipids]
Notes:
The cell wall which is made up of Peptidoglycan as well as lipids gets violet due to the reaction of the CV+. After the decolorization with alcohol, the lipids gets dissolved and the bacteria with higher Peptidoglycan remain violet. These are called Gram Positive bacteria.
7. A plant belonging to which of the following groups would show least adaptation to marine water?
[A] Pteridophytes
[B] Gymnosperms
[C] Angiosperms
[D] Bryophytes
Show Answer
Correct Answer: C [Angiosperms]
Notes:
A plant belonging to angiosperms group would show least adaptation to marine water. Angiosperms are vascular plants that have stems, roots, and leaves.
8. Which one of the following is responsible for maintenance of osmotic pressure in blood?
[A] Fibrinogen
[B] Red Blood Cells
[C] Albumin
[D] Platelets
Show Answer
Correct Answer: C [ Albumin]
Notes:Albumin is a protein found in the blood plasma, and it plays a crucial role in regulating osmotic pressure. It helps to maintain the balance of fluids between the blood vessels and the surrounding tissues. Albumin exerts an osmotic pressure that prevents the excessive loss of fluid from the blood vessels into the tissues.
Fibrinogen, Red Blood Cells, and Platelets have different functions in the blood, but they are not primarily responsible for maintaining osmotic pressure. Fibrinogen is involved in blood clotting, Red Blood Cells are responsible for carrying oxygen, and Platelets play a role in blood clotting as well.
9. Which vitamins are abundant in cod liver oil?
[A] Vitamins A and C
[B] Vitamins A and D
[C] Vitamins E and K
[D] Vitamins B and C
Show Answer
Correct Answer: B [Vitamins A and D]
Notes:
Cod liver oils from fish are rich in vitamins A and D and hence these are recommended for the chikdren to prevent the rickets(bone deformation).
10. Who is known as the ‘God of plants’?
[A] Soma
[B] Varuna
[C] Rudra
[D] Indra
Show Answer
Correct Answer: A [Soma]
Notes:
Soma is also known as the God of plants or the king of gods or the special god of the Brahmanas. All the hymns of the eleventh mandal are assigned to him. Aryans considered Himalaya as the source of the soma plant.
