11. Fat present below the skin surface in our body, acts as a barrier against which of the following losses?
[A] Loss of heat from the body
[B] loss of essential body fluids
[C] loss of salts from the body
[D] entry of harmful micro-organisms from the environment
Show Answer
Correct Answer: A [Loss of heat from the body]
Notes:
Adipose tissue that’s fat cells which are under the skin act as barrier to loss of the heat from the body and it protects the skin from entering of highly reactive UV rays of the sun. Fat present below the skin surface in our body, act as an insulator against loss of heat from the body. The deposited fat works as barrier, which prevents loss of heat.
12. Which among the following organs secrete bile juice?
[A] Liver
[B] Pancreas
[C] Stomach
[D] Large intestine
Show Answer
Correct Answer: A [Liver]
Notes:
Bile is a digestive juice secreted by the liver and it aids in the digestion of food. Many waste products are eliminated from the body through bile.
13. Which of the following branch of biology deals with the study of pollen grains?
[A] Psychology
[B] Palynology
[C] Pathology
[D] Parasitology
Show Answer
Correct Answer: B [Palynology]
Notes:
Palynology is the study of pollen grains produced by seed plants and spores. It represents the land flora and can be used in many different disciplines.
14. Which of the following biologist is related to Cell Theory?
[A] Carl Linnaeus
[B] Theophrastus
[C] Theodor Schwann
[D] Francis Galton
Show Answer
Correct Answer: C [Theodor Schwann]
Notes:
The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory. The first part states that all organisms are made up of cells. The second part states that cells are the basic units of life. The third part, which claims that cells come from pre-existing cells that have multiplied, was described by Rudolf Virchow in 1858.
15. In which of the following hemocaelic body cavity is found?
[A] Cockroach
[B] Lizard
[C] Mosquito
[D] Honeybee
Show Answer
Correct Answer: A [Cockroach]
Notes:
Hemocoelic body cavity is a characteristic of Cockroach.
16. What is the translucent fluid part of the cytoplasm called?
[A] Cell protein
[B] Cytosol
[C] Matrix
[D] Organelles
Show Answer
Correct Answer: B [Cytosol]
Notes:
Cytosol is the liquid found inside cells. It is a water-based solution that floats organelles, proteins, and other cell structures.
17. What are the inclusion bodies of the measles virus?
[A] intracytoplasmic
[B] intranuclear
[C] both (a) and (b)
[D] none of these
Show Answer
Correct Answer: C [both (a) and (b)]
Notes:
The inclusion bodies of the measles virus are intracytoplasmic and intranuclear.
18. Which of the following viruses can rescue adenovirus in simian cells?
[A] Rabies
[B] Vaccinia
[C] Simian virus 40
[D] Cytomegalovirus
Show Answer
Correct Answer: C [Simian virus 40]
Notes:
Simian virus 40 (SV40) has been one of the most intensively studied animal viruses. Simian virus 40 has been used as a model eukaryotic promoter for the study of DNA sequence elements and cellular factors involved in transcriptional control and initiation.
19. Which of the following group is used to represent disease-related fungi?
[A] Penicillium
[B] Truffles, mushrooms and morels
[C] Smuts, rusts and moulds
[D] All of the above
Show Answer
Correct Answer: C [Smuts, rusts and moulds
]
Notes:
Smuts, rusts, and molds groups is used to represent disease-related fungi.
20. The patterns of arrangement of leaves on the stem are called__?
[A] phyllotaxy
[B] Phyllode
[C] Leaf Roots
[D] Scale Leaves
Show Answer
Correct Answer: A [phyllotaxy]
Notes:
The pattern of arrangement of leaves on the stem is called phyllotaxy.
