41. The web of the spider is made up of which among the following?
[A] Carbohydrate Polymers
[B] Proteins
[C] Lipids
[D] Polysaccharides
[B] Proteins
Notes:
Spiders use their silk to make web. Spider silk is made out of protein.
42. Which of the following is also known as wood alcohol?
[A] Methanol
[B] Ethanol
[C] Propanal
[D] Butanol
[A] Methanol
Notes:
Methanol (CH3OH) is also known as Wood Alcohol. It’s a solvent in many chemical processes and is a component of automobile antifreeze.
43. If a person develops resistance to the action of insulin in the body’s cells, it is called as___________?
[A] Type 1 Diabetes
[B] Type 2 Diabetes
[C] Hyabrid Diabetes
[D] None of the above
[B] Type 2 Diabetes
Notes:
If a person develops resistance to the action of insulin in the body’s cells, it is called as Type 2 Diabetes. Type 2 diabetes is a lifelong disease that prevents your body from using insulin the way it should be using.
44. Which among the following is largest animal Phylum?
[A] Mollusca
[B] Arthropoda
[C] Mammalia
[D] Annelida
B [Arthropoda]
Notes:
An arthropod is an invertebrate animal having an exoskeleton, a segmented body, and paired jointed appendages. It is considered as the largest phylum in the animal kingdom with an estimated 85 percent of known species included in this phylum.
45. Who among the following is called father of Modern Genetics ?
[A] William Bateson
[B] Robert Hooke
[C] E J Butler
[D] F O Bower
[A] William Bateson
Notes:
William Bateson was an English biologist who was the first person to use the term genetics to describe the study of heredity. He is considered as the father of Modern Genetics.
46. A plant belonging to which of the following groups would show least adaptation to marine water?
[A] Pteridophytes
[B] Gymnosperms
[C] Angiosperms
[D] Bryophytes
[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.
47. A health problem which is characterized by inability of the bone marrow to produce the red blood cells is placed in which among the following groups?
[A] Anuria
[B] Aplastic Anemia
[C] Pernicious Anemia
[D] Aplasia
[B] Aplastic Anemia
Notes:
A health problem which is characterized by inability of the bone marrow to produce the red blood cells is placed in Aplastic Anemia. It causes a deficiency of all blood cell types: red blood cells, white blood cells, and also platelets.
48. Which of the following branches of biology studies the joint of bones is?
[A] Autecology
[B] Araneology
[C] Arthrology
[D] Anthropology
[C] Arthrology
Notes:
Autecology is the branch of biology that studies the Individuals/population with respect to environment. Araneology is the branch of biology that studies Spiders. Arthrology is the branch of biology that studies the Joint of bones. Anthropology is the branch of biology that studies human evolution and culture.
49. Which of the following pairs represent two scalar quantities?
[A] Mass, Acceleration
[B] Temperature, Torque
[C] Distance, Speed
[D] Gravitational Intensity, Work
[C] Distance, Speed
Notes:
The physical quantities which have only magnitude and no direction are called as Scalar quantities. Some examples of Scalar quantities: Work, Mass, Temperature, Distance, Speed.
50. Which of the following represents the dimensional formula of Universal Gravitational Constant?
[A] M1 L2 T-2
[B] M-1 L1 T-2
[C] M-1 L3 T-2
[D] M1 L3 T-2
C [M-1 L3 T-2]
Notes:
The dimensional formula of Universal Gravitational Constant is M-1 L3 T-2 Universal Gravitational Constant is a scalar quantity.
