Soil [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 5 of 28
Choose Programs:
📹 Video Course 2024 (244 Lectures [112 hrs : 11 mins]): Offline Support
Rs. 630.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
⏳ 🎯 Online Tests (6 Tests [100 questions each]): NTA Pattern, Analytics & Explanations
Rs. 1200.00 -OR-
3 Year Validity (Multiple Devices)
Sample TestsDetailsSee Demo
🎓 Study Material (902 Notes): 2024-2025 Syllabus
Rs. 850.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 1711 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 1
Appeared in Year: 2015
Question MCQ▾
Most common soil borne bacterial pathogen that manipulates plant by injecting its DNA Segment into plant cell is: (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Acidaminococcus fermentans | |
b. | Clostridium thermoacetium | |
c. | Agrobacterium tumefaciens | |
d. | Rliizobium legumiosarum |
Question 2
Appeared in Year: 2014
Question MCQ▾
Water storage capacity of which soil is maximum? (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | Heavy clay | |
b. | Sandy loam | |
c. | Loam | |
d. | Clay loam |
Question 3
Appeared in Year: 2009
Question MCQ▾
Which of the following have algae as Symbionts?
Choices
Choice (4) | Response | |
---|---|---|
a. | Coralloid roots of cycas | |
b. | Walnut | |
c. | Mango tree | |
d. | Pinus |
Question 4
Appeared in Year: 2019
Question Assertion-Reason▾
Assertion(Ꭺ)
Between organophosphorus pesticides malathion and parathion, the former is more toxic than latter. (December)
Reason(Ꭱ)
Malathion is hydrolysed by enzymes possessed by mammals to produce relatively non-toxic products.
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is false but Ꭱ is true | |
b. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
c. | Both Ꭺ and Ꭱ are false | |
d. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ |
Question 5
Appeared in Year: 2017
Question MCQ▾
A landform that results from free fall of rocks is called:
Choices
Choice (4) | Response | |
---|---|---|
a. | Alluvial fan | |
b. | Valley fills | |
c. | Talus slope | |
d. | Debris flow |