ECONOMIC BOTANY And OTHERS (Part-II)

31. Biofortification is a ______ . [S.S.C. Online Graduate Level (T-1) 7.09.2016 (Shift-III)]

(a) Method of breeding crops to increase their nutritional value
(b) Strategy to combat unwanted nutrients in plants
(c) Method of developing resistance to insect pests
(d) Method of plant breeding for disease resistance

Correct Answer: (a) Method of breeding crops to increase their nutritional value

Solution:Plant breeding in crops having improved food quality is called biofortification. The bred crops containing biofortified vitamins, minerals, proteins, and healthy fats obtained by it are important experimental means for improving public health.

32. The association of animals in which both the partners are benefitted is known as ______ . [CHSL (T-I) 15.01.2017 (Shift-I)]

(a) Ammansalism
(b) Commensalism
(c) Colony
(d) Mutualism

Correct Answer: (d) Mutualism

Solution:Mutualism is a relationship between two different species in which both are benefited. It should be between two animals, two plants, and two microorganisms. However, it can occur between any microorganism and between plants and animals.

33. What is the botanical name of mango? [S.S.C Online CGL (T-I) 17.08.2021 (Shift-III) 7]

(a) Mangiferu Indica
(b) Monson Longifolium
(c) Casuarina
(d) Cocos nucifera

Correct Answer: (a) Mangiferu Indica

Solution: Mangiferu Indica
The botanical name of mango is Mangifera Indica. This binomial nomenclature is universally recognized for this popular tropical fruit.

34. Which of the following is one of the basic plant nutrients of fertilizers that are commonly used in agriculture? [SSC Online CHSL (T-I) 04.08.2021 (Shift-III)]

(a) Mercury
(b) Sodium
(c) Arsenic
(d) Potassium

Correct Answer: (d) Potassium

Solution:Potassium (K) is an essential nutrient for plants, which plays an important role in the transfer of other substances from the roots to the stem and leaves. Potassium (K) is also made available in the form of K₂O through fertilizers.

35. Which enzyme is present in all members of the animal kingdom except Protozoa? [S.S.C Online Graduate Level (T-I) 27.08.2016 (Shift-III)]

(a) Insulin
(b) Pepsin
(c) Renin
(d) Amylase

Correct Answer: (d) Amylase

Solution:The amylase enzyme is found in all members of the animal kingdom except protozoa. Amylase is an enzyme that breaks down starch into glucose and maltose. Amylase is found in the saliva of humans and some other mammals, which aids in digestion.

36. Which of the following induces nitrogen fixation in soil? [S.S.C Online CHSL (T-I) 15.01.2017 (Shift-I)]

(a) Protozoa
(b) Bacteria
(c) Fungi
(d) Algae

Correct Answer: (b) Bacteria

Solution:Bacteria
Bacteria, particularly nitrogen-fixing bacteria like Rhizobium and Azotobacter, are primarily responsible for inducing nitrogen fixation in the soil, converting atmospheric nitrogen into a usable form for plants.

37. The excessive richness of nutrients in a lake or other reservoir is called ______ . [S.S.C Online CHSL (T-1) 25.01.2017 (Shift-I)]

(a) Biomagnification
(b) Global warming
(c) Salination
(d) Eutrophication

Correct Answer: (d) Eutrophication

Solution:Eutrophication
Eutrophication is the excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.

38. Science dealing with the study of soil is called _____ . [S.S.C Online Graduate Level (T-1) 18.09.2016 (Shift-III)]

(a) Pedology
(b) Pedagogy
(c) Ecology
(d) Pomology

Correct Answer: (a) Pedology

Solution:Pedology
Pedology is the scientific study of soil in its natural environment, focusing on its formation, characteristics, and distribution.

39. Pedology is the science of _____ . [S.S.C Online Graduate Level (T-I) 9.03.2020 (Shift-I)]

(a) Soil
(b) Childhood illness
(c) Skin disease
(d) Groundwater

Correct Answer: (a) Soil

Solution:Soil
Pedology is specifically the scientific study of soil, encompassing its origin, composition, classification, and distribution.