ECONOMIC BOTANY And OTHERS (Part-I)

Total Questions: 39

1. Vegetables spoil quickly because they contain more- [S.S.C. Online C.P.O. S.I. 5.06.2016 (Shift-II)]

Correct Answer: (b) water
Solution:water
High water content in vegetables provides a suitable environment for microbial growth and enzymatic activity, both of which contribute to spoilage.

2. Early blight is a common disease of which of the following? [S.S.C. Online C.P.O. S.I. (T-1) 3.07.2017 (Shift-II)]

Correct Answer: (a) Potato
Solution:Potato
Early blight is a common fungal disease primarily affecting potatoes and tomatoes.

3. The 'solid waste' is also known as- [S.S.C. Online Graduate Level (T-1) 10.09.2016 (Shift-III)]

Correct Answer: (c) Sludge
Solution: Sludge
"Solid waste" is a broad term, but in many contexts, especially in wastewater treatment, the solid residue is referred to as sludge.

4. Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in- [S.S.C. Online Graduate Level (T-I) 11.09.2016 (Shift-I)]

Correct Answer: (a) peas
Solution:peas
Peas, like other legumes, have root nodules that house symbiotic bacteria (Rhizobium) responsible for nitrogen fixation.

5. In water treatment plant, use of chloramines ensures- [S.S.C. Online Graduate Level (T-I) 11.09.2016 (Shift-I)]

Correct Answer: (c) Disinfection
Solution: Disinfection
Chloramines are used in water treatment as a disinfectant to kill bacteria and other microorganisms.

6. The bare ground between plants is covered with a layer of organic matter like straw. It helps to retain soil moisture. Identify the process. [S.S.C. Online MTS (T-I) 14.08.2019 (Shift-III)]

Correct Answer: (a) Mulching
Solution: Mulching
Mulching is the process of covering the bare ground with organic matter to retain soil moisture, suppress weeds, and improve soil health.

7. Which of the following uses the spawn mechanism to duplicate itself? [S.S.C. Online Graduate Level (T-I) 1.09.2016 (Shift-III)]

Correct Answer: (b) Worm
Solution:Worm
A worm is a type of malware that replicates itself to spread to other computers, often without human intervention (spawn mechanism).

8. In a rainforest, the vegetation that grows under the shade of a canopy is known as- [S.S.C. Online Graduate Level (T-I) 6.09.2016 (Shift-I)]

Correct Answer: (c) Understorey
Solution:The vegetation that grows under the canopy of a tree in a rainforest is called 'Understorey'. It is the habitat of many birds, snakes, lizards, predatory animals, insects, etc. This is the upper part of the forest floor.

9. Which one of the following is an insectivorous plant? [S.S.C. Online CHSL (T-1) 15.01.2017 (Shift-III)]

Correct Answer: (a) Utricularia
Solution:Utricularia is an insectivorous aquatic plant, also known as bladderworts. These plants make up for the lack of nitrogen by digesting insects.

10. The auxiliary buds [S.S.C. Online CHSL (T-I) 23.01.2017 (Shift-I)]

Correct Answer: (c) Is an embryonic shoot located in the axil of a leaf
Solution:An auxiliary bud (or axillary bud) is a bud that develops in the axil of a leaf, which is the angle between the upper side of the leaf and the stem. It has the potential to grow into a new branch or flower.