Inorganic and Organic Biomolecules

Q. Which of the following options is a secondary metabolite?

1. Lectins
2. Curcumin
3. Gums
4. All of these

Q. How many ATP molecules are consumped during glycolysis?

1. 0
2. 3
3. 4
4. 2

Q. X system of classification, classifies organisms based on one or very few morphological features. Y system of classification, classifies organisms on the basis of both internal and external features. Identify X and Y.

1. X - Carl Linneaus’, Y - Aristotle’s
2. X - Artificial, Y - Natural
3. X - Natural, Y - Artificial
4. X -Aristotle’s, Y - Carl Linneaus’

Q.

A class of compounds called ___________ (phenols/ alkaloids) find use in medicines.

Q. Select the order of elements present in abundance in living tissues of human body:

1. C > O > N > Ca
2. Ca > C > N > O
3. O > C > N > Ca
4. C > O > Ca > N

Q. Metabolic intermediates found in living system which are essential for growth and life is called:

1. Secondary metabolite
2. Primary metabolite
3. Tertiary metabolites
4. Saponins

Q. Select the important physiological effects of giberellins:

1. Stem
   elongation
2. Seed
   germination
3. Delay
   senescence
4. Shedding
   leaves
5. Fruit
   ripening
6. Enlarge
   fruit
7. Germinate
   pollen
8. Promote
   bolting

Q. Water and carbon dioxide are classified as biomolecules.

1. organic
2. inorganic
3. macro
4. micro

Q. Carbon is a key component of all known life on Earth. Why?

1. Carbon can bond with carbon to form long chains
2. All biomolecules contain carbon
3. Carbon has four valence electrons
4. Carbon is the only element capable of catenation

Q. Choose the option with correct statements about the reason for further classification of Kingdom Plantae:
I. Convenient to place new organisms
II. Categorization allows ease in categorizing newly discovered organisms
III. Sort the huge diversity of organisms
IV. A dump of organisms looks ugly and classification is presentable

1. Only I
2. Only I and IV
3. Only I, II and III
4. Only II and III

Q. Compounds can be classified as organic and inorganic based on the presence of .

1. carbon and oxygen
2. carbon and hydrogen
3. hydrogen and oxygen
4. hydrogen and water

Q. X system of classification, classifies organisms based on one or very few morphological features. Y system of classification, classifies organisms on the basis of both internal and external features. Identify X and Y.

1. X - Natural, Y - Artificial
2. X -Aristotle’s, Y - Carl Linneaus’
3. X - Carl Linneaus’, Y - Aristotle’s
4. X - Artificial, Y - Natural