ECONOMIC BOTANY And OTHERS (Part-I)

21. Growing agricultural crops between rows of planted trees is known as _____ . [S.S.C. Online Graduate Level (T-I) 7.09.2016 (Shift-II)]

(a) Social forestry
(b) Jhum
(c) Taungya system
(d) Agroforestry

Correct Answer: (c) Taungya system

Solution:Taungya is a system of agroforestry where agricultural crops are grown between rows of newly planted trees, allowing farmers to utilize the space while the trees mature.

22. Which of the following is responsible for Vermi composting? [SSC. Online CHSL (T-1) 10.01.2017 (Shift-II)]

(a) Fungus
(b) Worms
(c) Bacteria
(d) Birds

Correct Answer: (b) Worms

Solution:Worms
Vermicomposting is the process of using various species of worms, usually red wigglers, white worms, and other earthworms, to create a heterogeneous mixture of decomposing vegetable or food waste, bedding materials, and vermicast.

23. A living part of the organism's environment is known as _____ . [S.S.C. Online CHSL (T-I) 10.01.2017 (Shift-I)]

(a) Abiotic Factor
(b) Habitat
(c) Biotic Factor
(d) Non-living factor

Correct Answer: (c) Biotic Factor

Solution:Biotic Factor
A living part of an organism's environment, such as plants, animals, bacteria, and fungi, is known as a biotic factor.

24. The study of the classification of bacteria is called ______ . [S.S.C. Online CHSL (T-1) 20.01.2017 (Shift-I)]

(a) Herpetology
(b) Virology
(c) Taxonomy
(d) Physiology

Correct Answer: (c) Taxonomy

Solution:The study of the classification of all organisms is called taxonomy. The study of bacteria specifically is called "Bacteriology."

25. Which of the following plants has root nodules? [SSC. Online CHSL (T-1) 11.01.2017 (Shift-II)]

(a) Leguminous Plants
(b) Parasitic Plants
(c) Epiphytic Plants
(d) Aquatic Plants

Correct Answer: (a) Leguminous Plants

Solution:Leguminous Plants
Leguminous plants (e.g., peas, beans, clover) are known for having root nodules that house nitrogen-fixing bacteria (Rhizobium), which convert atmospheric nitrogen into a usable form for the plant.

26. Which of the following roots is not eaten? [S.S.C. Online MTS (T-I) 16.09.2017 (Shift-I)]

(a) Carrot
(b) Tapioca
(c) Radish
(d) Wheat

Correct Answer: (d) Wheat

Solution:Wheat
Carrot, tapioca (cassava), and radish are all examples of roots that are commonly eaten. Wheat, however, is a grain, and the edible part is the seed.

27. Tikka disease is related to which of the following crops? [SSC. Online Stenographer 13.09.2017 (Shift-II]

(a) Rice
(b) Potato
(c) Sugarcane
(d) Groundnut

Correct Answer: (d) Groundnut

Solution:Groundnut
Tikka disease is a common and significant fungal disease of groundnut (peanut) crops, causing leaf spots.

28. Which of the following is the study of fossils? [SSC Online Graduate Level (T-1) 8.09.2016 (Shift-II)]

(a) Ethology
(b) Etiology
(c) Anthropology
(d) Palaeontology

Correct Answer: (d) Palaeontology

Solution:Palaeontology
Palaeontology is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene Epoch (roughly 11,700 years ago) and the fossils, which are the remains of organisms.

29. The flower with the world's largest bloom is [S.S.C. Online CHSL (T-1) 24.01.2017 (Shift-III)]

(a) Pando
(b) Posidonia
(c) Rafflesia Arnoldii
(d) Helianthus Annuus

Correct Answer: (c) Rafflesia Arnoldii

Solution:Rafflesia Arnoldii
Rafflesia arnoldii is renowned for having the largest single flower in the world, often referred to as the "corpse flower" due to its pungent odor.

30. Which of these is not a macronutrient for plants? [S.S.C. Online CHSL (T-I) 17.01.2017 (Shift-I)]

(a) Nitrogen
(b) Phosphorus
(c) Potassium
(d) Chlorine

Correct Answer: (d) Chlorine

Solution: Chlorine
Nitrogen, phosphorus, and potassium are three of the primary macronutrients essential for plant growth. Chlorine is a micronutrient, meaning plants require it in much smaller quantities.