Quiz 638: General Science for All Examinations

1.Which among the following is not a 'heriditary' disease?
[A]Thalessemia
[B]Colour-Blindness
[C]Haemophilia
[D]Leukemia

Leukemia

2.The bacterium 'Escherichia coli' is found mainly in:
[A]Human Intestine
[B]Pteridophytes
[C]Root Nodules of leguminous plants
[D]Paddy fields for nitrogen fixation

Human Intestine

3.Which among the followingis/are correctly paired:
1.Ginger:Tuber
2.Potato:Rhizome
3.Onion:Bulb
[A]Only 2
[B]Only 3
[C]1 and 3
[D]1, 2 and 3

Only 3
Ginger::Rhizome
Potato::Tuber
Onion ::Bulb

4.Consider the following Statements:
1.Spleen is also known as the 'graveyard of RBCs'.
2.The lifespan of RBCs is 90 days.
Which of the Statement(s) given above is/are correct?
[A]Only 1
[B]Only 2
[C]Both 1 and 2
[D]Neither 1 nor 2

Only 1
The lifespan of RBCs is 120 days.

5.Which among the following factors are essential for 'blood coagulation'?
1.Vitamin K
2.Calcium ions (Ca++)
3.Christmas factor
[A]1 and 2
[B]1 and 3
[C]2 and 3
[D]1, 2 and 3

1, 2 and 3
Factor IX (or Christmas factor) is one of the serine proteases of the coagulation system. Deficiency of this protein causes hemophilia B.

6.'Saffron' is obtained from which among the following parts of the plant?
[A]Stigma
[B]Anther
[C]Stamen
[D]Pollen

Stigma

7.'Pancreas' functions as an:
1.Endocrine gland
2.Exocrine gland
[A]Only 1
[B]Only 2
[C]Both 1 and 2
[D]Neither 1 nor 2

Both 1 and 2
Pancreas and gonads are mixed glands i.e. they are both endocrine and exocrine.

8.Lysergic acid diethylamide (LSD) is a drug used as a :
[A]Steroid
[B]Sedative
[C]Analgesic
[D]Hallucinogen

Hallucinogen

9.Which among the following have a 'mixed heart' ,that is the heart in which the oxygenated and the deoxygenated blood is mixed?
[A]Birds
[B]Fishes
[C]Reptiles
[D]Nematodes

Option [C]
Reptiles and Amphibians have a mixed heart.

10.Plants which are adapted to grow in soils containing high concentration of salt are known as:
[A]Xerophytes
[B]Mesophytes
[C]Halophytes
[D]Thallophytes

Halophytes

11.Which of the following Vitamins of the 'B-Complex' are correctly paired with their respective names:
1.Vitamin B2-Riboflavin
2.Vitamin B3-Niacin
3.Vitamin B7-Biotin
4.Vitamin B12-Cyanocobalamine
[A]2 and 4
[B]3 and 4
[C]1, 3 and 4
[D]All of them

All of them

12.'Bowman's Capsule' works as a part of the functional unit of which among the following human physiological system?
[A]Circulatory System
[B]Respiratory System
[C]Excretory System
[D]Reproductive System

Option [C]
Bowman's Capsule is related to the process of 'Ultrafiltration' in the functional units of kidneys called 'nephrons'.Therefore, it is a part of the excretory system.

13.Consider the following plant hormones:
1.Gibberellins-Seed germination
2.Auxins-Apical dominance
3.Cytokinins-Climacteric ripening of fruits
Which among the above is/are correctly paired with their respective functions in plant physiology?
[A]Only 1
[B]1 and 2
[C]2 and 3
[D]1, 2 and 3

1 and 2
Cytokinins or CKs are a group of chemicals that influence cell division and shoot formation. Ethylene is related with the Climacteric ripening of fruits.

14.Dietary intake of 'Iodine' is essential for the normal functioning of thyroid gland.Which among the following is considered to be naturally rich in Iodine?
1.Table Salt
2.Sea-food
3.Dairy Products
[A]Only 1
[B]1 and 2
[C]1 and 3
[D]1, 2 and 3

1, 2 and 3

15.Some plants are 'carnivorous' due to their adaptation to grow in places where the soil is thin or poor in nutrients, especially nitrogen.In this context, consider the following plants:
1.Utricularia
2.Nepenthes
3.Dionaea
Which of the above plant(s) is/are carnivorous?
[A]Only 2
[B]1 and 2
[C]2 and 3
[D]1, 2 and 3

1, 2 and 3
Utricularia-Bladderwort, Nepenthes-Pitcher Plant, Dionaea- Venus fly-trap